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CEREBROVASCULAR

1000. 3D Printing For Simulation Of Complex Skull Base Vasculature

Lohit Velagapudi; Jacob Mazza, BS; Jeffery Head, BA; Nohra El-Chalouhi, MD; Richard Schmidt, MD; Robert Pugliese, PharmD; Pascal Jabbour, MD (Philadelphia, PA)

CEREBROVASCULAR

1002. 4D Micro Neurosurgical Aneurysm Clipping Simulator for Training Medical Residents

Fredrick Joseph; Fredrick Joseph; Luca Sahli, MSc; Stefan Weber, PhD; Andreas Raabe; David Bervini (Bern, Switzerland)

CEREBROVASCULAR

1003. A COMPARISON OF ANTERIOR CIRCULATION ANEURYSM CLIPPING WITH AND WITHOUT TEMPORARY OCCLUSION

Noor Ul-Huda Maria, MBBS; Dr.Qurrat Siddiq (Lahore Punjab, Pakistan)

CEREBROVASCULAR

1004. A Novel Anti-Neuroinflammatory Treatment for Auditory Sensorimotor Gaiting in Two Rodent Models of Schizophrenia

Wyatt S. Whicker; Russell Brown, PhD; Heath Shelton, MS; Wesley Gill, MS; Katherine Burgess, BS (Johnson City, TN)

CEREBROVASCULAR

1005. A Propensity Score-matched Comparison of Readmission Rates Associated with Microsurgical Clipping and Endovascular Treatment of Ruptured Intracranial Aneurysms

Haydn Hoffman, MD; Muhammad Jalal, BS; Lawrence Chin, MD (Syracuse, NY)

CEREBROVASCULAR

1007. A Systematic Review of Surgical Treatments of Idiopathic Intracranial Hypertension (IIH): Should Venous Sinus Stenting (VSS) Be Regarded As The First Line Surgical Modality?

aristotelis Kalyvas; Eleftherios Neromyliotis, MD, PhD; Georgios Skandalakis; Christos Koutsarnakis, MD, MSc; Spyridon Komaitis, MD, MSc; Gelareh Zadeh, MD, PhD; Fred Gentili, MD, MSc; George Stranjalis, MD, PhD; Pierre Gobin, MD, PhD; Athos Patsalides, MD, PhD (Toronto, Canada)

CEREBROVASCULAR

1008. A proposed grading scale for predicting outcomes after stereotactic radiosurgery for dural arteriovenous fistulas

Nasser Mohammed, MBBS, MCh; Jason Sheehan, MD; Yi-Chieh Hung; David Schlesinger; Zhiyuan Xu, MD (Charlottesville, VA)

CEREBROVASCULAR

1009. Access-Site Complications In Mechanical Thrombectomy For Acute Ischemic Stroke: A Review Of Prospective Trials

Nikolas Echeverry; Koushik Mantripragada, BS; Stephen Shapiro, BS; Gerard MacKinnon, BS; Samuel Mansour, BS; Brian Snelling, MD (Delray Beach, FL)

CEREBROVASCULAR

1010. Accessory Middle Cerebral Artery - Case Report

Victoria Esther Silva Baez; Jose Jose Figueroa-Sanchez; Roberto Alcazar-Felix, MD (Monterrey, Mexico)

CEREBROVASCULAR

1011. Acute Atherosclerotic Stroke Versus Embolic Stroke: Intraoperative Differentiation And Management

Joshua H Weinberg; Ahmad Sweid; Michael Reid Gooch; Stavropoula Tjoumakaris; Pascal Jabbour; Robert Rosenwasser; Hekmat Zarzour (Philadelphia, PA)

CEREBROVASCULAR

1012. Acute Hemispheric Syndrome Secondary to Contralateral Flow Related A1 Large Vessel Occlusion Treated with Mechanical Thrombectomy

Tyler Scullen, MD; Jessica Carr, BS; Mansour Mathkour, MD; Peter Amenta, MD (New Orleans, LA)

CEREBROVASCULAR

1013. Adenosine-induced transient asystole to control intraoperative rupture of intracranial aneurysms: Institutional experience and review of the literature

Eric S. Nussbaum, MD, FAANS, FACS; elizabeth burke; jodi lowary; leslie nussbaum (Minneapolis, MN)

CEREBROVASCULAR

1014. An Analysis of Medicare Reimbursement Rates in Cerebrovascular Neurosurgery: 2000-2019

Kent Richter; Jack Haglin, BS; Reed Richter, BS; Bernard Bendok, MD, MS (Mesa, AZ)

CEREBROVASCULAR

1015. An Interesting Surgical Technique And Literature Review: Multiple Telescoping Flow Diverting Devices For Embolization Of A Giant Internal Carotid Artery Aneurysm

Breck Aaron Jones, MD; Alex Michael, MD; Adam Lipson, MD (Springfield, IL)

CEREBROVASCULAR

1016. Analysis Of TICI Score As Predictor Of Decompressive Hemicraniectomy In 561 Ischemic Stroke Patients

Fadi Al-Saiegh, MD; Nikolaos Mouchtouris, MD; Evan Fitchett, MD; Pascal Jabbour, MD; Stavropoula Tjoumakaris, MD; M. Gooch, MD; Robert Rosenwasser, MD; Fred Rincon, MD (Philadelphia, PA)

CEREBROVASCULAR

1018. Aneurysmal Subarachnoid Hemorrhage: Long-Term Trends In Incidence And Survival In Olmsted County, Minnesota

Enrico Giordan; Christopher Graffeo, MD; Alejandro Rabinstein, MD; Robert Brown, MD; Giuseppe Lanzino, MD (Treviso, Italy)

CEREBROVASCULAR

1020. Assessment Of Surgical Swedish ICH Score In Japan: Single Institution Pilot Study

Sukwoo Hong, MD; Takayuki Hara, MD, PhD (Tokyo, Japan)

CEREBROVASCULAR

1022. Association Of Opium Addiction With Rupture Of Intracranial Aneurysms: A Case-Control Study.

Mojtaba Dayyani; Mojtaba Dayyani, MD; Samira Zabihyan, MD; Maryam Salehi; Humain Baharvahdat, MD; Sina Ahmadi, MD; Hamid Etemadrezaie, MD (Houston, TX)

CEREBROVASCULAR

1023. Association of Secondary Cerebrovascular Ischemia and Hemorrhagic Risk with Patterns of Antiplatelet Medication after Carotid Stenting

Michael Chuwei Jin; Eric Sussman, MD; Austin Feng, BS; Jeremy Heit, MD, PhD; Nicholas Telischak, MD (Menlo Park, CA)

CEREBROVASCULAR

1024. Avoidance of complications of Carotid Endarterectomy

Shankar Athawale (mumbai, India)

CEREBROVASCULAR

1027. Barrow Anastomosis Techniques Study Part I: Continuous vs. Interrupted Techniques with End-to-Side Anastomosis

Dara Sam Farhadi; Evgenii Belykh, MD, PhD; Xiaochun Zhao, MD; Brandon Ngo, BS; Ali Meybodi, MD; Leandro Moreira, MD; Mark Preul, MD; Michael Lawton, MD (Phoenix, AZ)

CEREBROVASCULAR

1028. Biomarkers Predictive of Functional Outcome After Ischemic Stroke: A Systematic Review

Sauson Soldozy; Pedro Norat, MD; Mazin Elsarrag, MS; John Costello, BA; Faraz Farzad, BA; Kaan Yagmurlu, MD; Jennifer Sokolowski, MD, PhD; Khadijeh Sharifi, PhD; Petr Tvrdik, PhD; Min Park, MD; Yashar Kalani, MD, PhD (Charlottesville, VA)

CEREBROVASCULAR

1029. Bringing High-Grade Arteriovenous Malformations Under Control: Clinical Outcomes Following Multi-Modality Treatment in Children

Ethan Winkler, MD, PhD; Alex Lu, MD; Ramin Morshed, MD; Jan-Karl Burkhardt, MD; Steven Braunstein, MD; Christine Fox, MD; Heather Fullerton, MD; Helen Kim, PhD; Steven Hetts, MD; Michael Lawton, MD; Adib Abla; Nalin Gupta, MD (San Francisco, CA)

CEREBROVASCULAR

1031. CSF Protein and Initial Blood Burden are Associated with Progression to Permanent Shunt in Patients with Aneurysmal Subarachnoid Hemorrhage: A Case Control Study

James Tanner McMahon; James Malcolm, MD, PhD; Alex Greven, BS; James Douglas III, BS; Chadd Funk, MD, PhD; Brian Howard, MD (Atlanta, GA)

CEREBROVASCULAR

1032. Cadaveric assessment of the extended endoscopic endonasal transclival approach to the posterior circulation for aneurysm clipping

Anil Kumar (RAIPUR, India)

CEREBROVASCULAR

1033. Cannabis use and increased non-aneurysmal subarachnoid hemorrhage in the last decade

Pui Man Rosalind Lai, MD; Isaac Ng, BSc; Rose Du, MD, PhD (Boston, MA)

CEREBROVASCULAR

1034. Carotid Artery Stenting After Reconstruction with PTFE Graft

Julia Sofia Arango Vasquez; Mario Benvenutti Regato, MD; Jose Antonio Figueroa Sanchez, MD, MBA (San Pedro Garza García, Mexico)

CEREBROVASCULAR

1036. Carotid Endarterectomy: Current Guidelines And Cadaveric Study

Muhammad Burhan Ud Din Janjua, MD; Vibhav Bansal; Steven Hwang, MD (Rockford, IL)

CEREBROVASCULAR

1037. Causes of 60-day and 180-day Readmission After Aneurysmal Subarachnoid Hemorrhage

Ajay Chatrath; Ajay Chatrath, MS; Jennifer Sokolowski, MD, PhD; Julianne Schultz; Zuseen Rannigan; Min Park, MD (Charlottesville, VA)

CEREBROVASCULAR

1038. Cavernous Angioma Of The Right Lateral Ventricle: Case Report

Jose Alfonso Alvarez Castro; Martin Heisi Gomez-Martinez (Saltillo, Mexico)

CEREBROVASCULAR

1039. Cavernous Carotid Aneurysms Associated With A Lower Risk To Multiple Intracranial Aneurysms

Alexandra Santos; Jefferson Rosi Junior, MD; Saul da Silva, MD, PhD; Ricardo Iglesio, MD; José Guilherme Caldas, MD; Manoel Teixeira, MD, PhD; Eberval Figueiredo, MD, PhD (Sao Paulo, Brazil)

CEREBROVASCULAR

1040. Cavernous Malformations and the current state of microsurgical resection

Erik Burgos-Sosa; Arturo Ayala-Arcipreste, MD; Carlos Cadena-Huera; Durdica Lopez-Vujnovic; Dan Lopez-Vazquez; Miguel Jesus Bernes-Rodriguez; Rafael Mendizabal-Guerra (Mexico City, Mexico)

CEREBROVASCULAR

1041. Cavernous Malformations of the Hypothalamus: A Single-Institutional Series of 12 Cases

Anadjeet Singh Khahera, BS; Yiping Li, MD; Gary Steinberg, MD, PhD (New York, NY)

CEREBROVASCULAR

1042. Cerebral Energy Status and Altered Metabolism in Early Brain Injury after Aneurysmal SAH: A Prospective 31P-MRS Study

Ondra Petr, MD, PhD; Alice Goerke, MD; Wing Ho, MD; Ruth Steiger, PhD; Bernhard Glodny, MD; Claudius Thome, MD; Ondra Petr, MD, PhD (Innsbruck, Austria)

CEREBROVASCULAR

1044. Cerebral Revascularization for the Management of Complex Intracranial Aneurysms: A Single Center Experience

Eric S. Nussbaum, MD, FAANS, FACS; kevin kallmes, BA; Jeff Lassig, MD; james goddard; michael madison; jodi lowary; leslie nussbaum (Minneapolis, MN)

CEREBROVASCULAR

1046. Cerebrovascular Complications In The Acute Phase Of Civilian Penetrating Brain Injury

Valentina Vasenina, MD; Andrea Loggini, MD; Faten El Ammar, MD; Issam Awad, MD; Paramita Das, MD; Peleg Horowitz, MD; David Hampton, MD; Tanya Zakrison, MD; Christopher Kramer, MD; Christos Lazaridis, MD; Daniel Ginat, MD; Ali Mansour, MD (Chicago, IL)

CEREBROVASCULAR

1047. Changes in Mean Arterial Pressure and End Tidal Carbon Dioxide Content Affect Venous Sinus Pressures and Gradients in Patients With Idiopathic Intracranial Hypertension: A Randomized Study

Christine Tschoe; Rebecca Garner; Carol Kittel; Justin Traunero, MD; Stacey Wolfe, MD; Kyle Fargen, MD (Winston-Salem, NC)

CEREBROVASCULAR

1049. Clinical Outcome of Foramen Magnum Meningioma after Microsurgical Resection: A 20-year Single-Institutional Experience.

Nida Fatima, MBBS; Steven Chang, MD; Antonio Meola, MD (Boston, MA)

CEREBROVASCULAR

1051. Clinical Presentation of Genetic Pediatric Cavernous Malformations in Patients with CCM and KRIT1 Mutations

Emade Jaman; Jeremy Stone, MD; Stephanie Greene, MD (Pittsburgh, PA)

CEREBROVASCULAR

1053. Clipping of an Unruptured Proximal Anterior Cerebral Artery Aneurysm During the Resection of Brain Tumor.

Zaid Aljuboori, MD; Dale Ding, MD; Brian Williams, MD (Louisville, KY)

CEREBROVASCULAR

1054. Comparative analysis of continuous suturing, interrupted suturing, and cyanoacrylate-based lid techniques for end-to-end microvascular anastomosis: laboratory investigation applicable in developing countries

Mark C. Preul, MD; Gyang Bot, MD; Xiaochun Zhao, MD; Brenna McElenney, BS; Ali Meybodi, MD; Mark Preul; Michael Lawton, MD (Phoenix, AZ)

CEREBROVASCULAR

1055. Comparison Of Two Drainage Systems On Chronic Subdural Hematoma Recurrence

Radwan Takroni, MD; Nirmeen Zagzoog, MD,MSc; Nimita Patel, BSc; Amanda Martyniuk, BSc; Sheila Singh; Forough Farrokhyar, PhD; Almunder Algird (Hamilton, Canada)

CEREBROVASCULAR

1056. Comparison of Direct Aspiration Versus Stentriever-Assisted Aspiration Thrombectomy for Large Vessel Occlusion

Vance Fredrickson, MD; Phillip Bonney, MD; Joshua Catapano, MD; Daniel Cavalcanti, MD; Shivani Rangwala, MD; Neil Majmundar, MD; Drew Wilkinson, MD; Luis San Roman, MD; Felipe Albuquerque, MD; Ducruet Andrew, MD (Los Angeles, CA)

CEREBROVASCULAR

1060. Competitive Flow Diversion in the Endovascular Treatment of Multiple P1 Aneurysms: Case Report and Proposed Classification of Competitive Flow Diversion

Adrienne Weeks, MD, FAANS; Maclean Mark, MD; Thien Huynh, MD; Matthias Schmidt, MD; Vitor Pereira, MD; Adrienne Weeks, MD, PhD (Halifax, Canada)

CEREBROVASCULAR

1061. Complete Occlusion of a Recurrent Aneurysm by a Spontaneous Thromboembolic Event with no Ischemic Complications

Julia Sofia Arango Vasquez; Ana Ferrigno; Jose Figueroa Sanchez, MD, MBA (San Pedro Garza García, Mexico)

CEREBROVASCULAR

1062. Contemporary Trends in Extracranial-Intracranial Bypass Utilization: Analysis of Data from 2008-2016

Panagiotis Kerezoudis, MD; Mohammed Alvi; Lorenzo Rinaldo; Leonardo Rangel-Castilla, MD; Mohamad Bydon, MD; Harry Cloft, MD, PhD; Giuseppe Lanzino, MD (Rochester, MN)

CEREBROVASCULAR

1063. Contemporary treatment of basilar artery aneurysms: a single surgeon combined experience with both open and endovascular therapy

Ethan Winkler, MD, PhD; John Yue; Kunal Raygor, MD; W. Caleb Rutledge; Daniel Raper; Roberto Rodriguez; Adib Abla, MD (San Francisco, CA)

CEREBROVASCULAR

1064. Contralateral Interhemispheric Surgical Approaches for Ruptured Intraventricular AVM-associated Aneurysms

Daniel Raper, MD; Ethan Winkler; W. Caleb Rutledge; Steven Hetts; Adib Abla (San Francisco, CA)

CEREBROVASCULAR

1066. Decision-Making Clues for the Management of Middle Cerebral Artery Aneurysms

Bruno Splavski, MD; Kresimir Rotim; Filip Vrban, MD; Ante Rotim, MD (Zagreb, Croatia)

CEREBROVASCULAR

1069. Defining the Mechanism and Impact of Cerebral Hemorrhage-Induced Pyrexia

Santiago Guillermo Gomez-Paz; Ajith Thomas, MD; Luis Ascanio-Cortez, MD; Mohamed Salem, MD; Georgios Maragkos, MD; Justin Moore, MD; Christopher Ogilvy, MD; Khalid Hanafy (Boston, MA)

CEREBROVASCULAR

1070. Definitive Treatment with Microsurgical Clipping after Recurrence and Re-rupture of coiled ACA aneurysms

Daniel Raper, MD; W. Caleb Rutledge; Ethan Winkler; Adib Abla (San Francisco, CA)

CEREBROVASCULAR

1071. Delayed Cerebral Ischemia and Vasospasm After Spontaneous Angiogram-negative Subarachnoid Hemorrhage: An Updated Meta-analysis

Sang Hyo Lee (Bundang, Republic of Korea)

CEREBROVASCULAR

1072. Demographic Overview Of Intracranial Aneurysm And Subarachnoid Hemorrhage In A Population-Based Study

Juliana C. Rotter, MD; Avital Perry, MD; Lucas Carlstrom, MD, PhD; Christopher Graffeo; Michael Link, MD; Waleed Brinjikji, MD (Rochester, MN)

CEREBROVASCULAR

1075. Development of DIND after Aneurysmal Subarachnoid Hemorrhage is Associated with Rate of Blood Clearance

Spiros L. Blackburn, MD, FAANS; Stephen Capone, MD; HuiMahn Choi, MD; Devin McBride, PhD; Anthony Divito, MD; T Peeyush Kumar, PhD (Houston, TX)

CEREBROVASCULAR

1076. Development of a Non-invasive Bioimpedance System to Detect Ischemic and Hemorrhagic Stroke

Daniel Richard Calnan, MD, PhD; Alicia Everitt; Brandon Root, MD; David Bauer, MD; Ryan Halter, PhD (Lebanon, NH)

CEREBROVASCULAR

1077. Dolenc Approach for The Craniotomy Clipping of A Carotid-ophthalmic Giant Aneurysm

Lei Zhao, MD; Gaoyang Fan; Yanchun Sun; Hao Han; Chunhai Su; Lijian Zheng; Lei Feng (Xi'an, China)

CEREBROVASCULAR

1078. Double Crush Syndrome As A Cause Of Hemifacial Spasm

Jaime R. Guerrero, MD; Meng Huang, MD; Gavin Britz, MD (Houston, TX)

CEREBROVASCULAR

1079. Durability of Treatments for Hydrocephalus: A Population-Based Study across the Spectrum of Age

Joseph H. Piatt, Jr., MD, FAANS; Allison Lehanka (Wilmington, DE)

CEREBROVASCULAR

1080. Duration Of Dual Antiplatelet Therapy And Stent-Adjacent Stenosis After Intracranial Venous Stenting

Victor S Lopez Rivera; Mehmet Inam, MS; Faheem Sheriff, MD; Elvira Lekka, MD; Sunil Sheth, MD; Arthur Day, MD; Peng Chen, MD (HOUSTON, TX)

CEREBROVASCULAR

1081. Dysregulation of the Ephrin B2/EphB4 Ratio in Human Cerebral Cavernous Malformations is Associated with Endothelial Cell Dysfunction in vitro

Katie Pricola Fehnel, MD; Jessica Driscoll; Julie Sesen; Edward Smith; Katie Fehnel (Boston, MA)

CEREBROVASCULAR

1082. ENDOVASCULAR TREATMENT OF VASOSPASM: SERIES OF 57 PATIENTS WITH ANEURYSMAL SUBARACHNOID HEMORRHAGE

Bruno Henrique Dallo Gallo; Luana Maranha Gatto (Curitiba, Brazil)

CEREBROVASCULAR

1083. EVD Associated Infections Among Patients with Aneurysmal Subarachnoid Hemorrhage: Incidence, Risk Factors, and Effect on Patient Outcome

Matthew E. Eagles, MD; Sandeep Muram, MD; David Ben-Israel; R. Loch Macdonald, MD, PhD (Calgary, Canada)

CEREBROVASCULAR

1084. EVD complications Predict Need for VPS

Nicki Mohamadi; Deeksha Chada, MPH; Alexander Schupper, MD; Justin Granstein, MD, MPH; John Liang, MD; Kaitlin Reilly, MD; Alexandra Reynolds, MD; Neha Dangayach, MD; Christopher Kellner, MD; Cappi Lay (New York, NY)

CEREBROVASCULAR

1085. Early Lessons Learned From The WEB Device: Feasibility, Technique, Complications, and Occlusion Outcomes—A Real Life Experience

Ahmad Sweid; Nikolaos Mouchtouris, MD; David Hasan, MD; Ahmad Sweid, MD; Fadil Al Saiegh, MD; Mario Zanaty, MD; Omaditya Khanna, MD; Nohra Chalouhi, MD; Stavropoula Tjoumakaris, MD; Reid Gooch, MD; Robert Rosenwasser, MD; Pascal Jabbour, MD (Philadelphia, PA)

CEREBROVASCULAR

1087. Effect of Dual Antiplatelet Therapy Duration on Complications in Flow Diversion

Vin Shen Ban, MD; Mark Pernik, BA; Tamar Binyamin, MD; Juan Mario Corona, MD; Young-Jun Kim, MD; Rafael De Oliveira Sillero, MD; Lee Pride, MD; Jonathan White, MD; H. Hunt Batjer, MD; Babu Welch, MD (Dallas, TX)

CEREBROVASCULAR

1088. Effect of Learning Curve on the Outcomes of Basilar Artery Aneurysms Treated with Flow Diversion

Muhammad Waqas, MBBS; Rimal Dossani, MD; Elizabeth Charles; Harcharan Stanely; Felix Chin; Miacohael Tso; kunal Vakharia; Jason Davies; Elad Levy; Adnan Siddiqui (Buffalo, NY)

CEREBROVASCULAR

1089. Effect of Particulate Matter Exposure and Chronic Cerebral Hypoperfusion on Vascular Inflammation

Kristina Shkirkova; Kristina Shkirkova, BSc; Michelle Connor, BSc; Krista Lamorie-Foote, BSc; Hans Baertsch, BSc; Matthew Lahey, BSc; Qinghai Liu, MD; Todd Morgan, PhD; Constantinos Sioutas; Caleb Finch, PhD; William Mack, MD (Los Angeles, CA)

CEREBROVASCULAR

1090. Effect of Tissue Plasminogen Activator on Endovascular Recanalization in Acute Ischemic Stroke

Tyler Scullen, MD; Jessica Carr, BS; Joseph Lockwood, MD; Mansour Mathkour, MD; Ricky Medel, MD; John Nerva, MD; Aaron Dumont, MD; Peter Amenta, MD (New Orleans, LA)

CEREBROVASCULAR

1091. Efficacy and Safety Profile of Dandy's Vein sacrifice in Skull Base Surgeries

Vinayak Narayan, M.Ch; Anil Nanda (Bangalore, India)

CEREBROVASCULAR

1092. Embolic shape evaluation of acute middle cerebral artery occlusion in open embolectomy

Yoshinari Miyaoka, MD; Tetsuyoshi Horiuchi; Yu Fujii; Yoshiki Hanaoka; Toshihiro Ogiwara; Junichi Koyama; Junpei Nitta (Matsumoto, Japan)

CEREBROVASCULAR

1094. Endoscopic Third Ventriculostomy for Hydrocephalus Secondary to Extra-Ventricular Obstruction in Thalamic Hemorrhage

Antonio Gabriel Dono; Hussein Zeineddine, MD; Ryan Kitagawa, MD; Sean Savitz, MD; Huimahn Choi, MD; Tiffany Chang, MD; Yoshua Esquenazi, MD; Leomar Ballester, MD, PhD (Houston, TX)

CEREBROVASCULAR

1096. Endothelial Progenitor Cells-Characterization and Role in Cerebral Arteriovenous Malformation: A systematic review and meta-analysis

Nida Fatima, MBBS; Ashfaq Shuaib; Maher Saqqur (Boston, MA)

CEREBROVASCULAR

1098. Endovascular Retreatment Of Previously Ruptured Coiled Cerebral Aneurysm Remnants Significantly Reduces Re-Bleed Rate

Stephen Kyle Mendenhall, MD; Scott Shapiro, MD; Aaron Cohen-Gadol, MD; Daniel Sahlein, MD (Indianapolis, IN)

CEREBROVASCULAR

1099. Endovascular Sacrifice Of V4 And PICA For Ruptured Lesions: A Retrospective Case Series

James Gregory Malcolm, MD; Nealen Laxpati, MD, PhD; Jonathan Grossberg, MD; Brian Howard, MD (Atlanta, GA)

CEREBROVASCULAR

1100. Endovascular Treatment of Acute Stroke from Tandem Atherosclerotic Cervical Internal Carotid Artery Occlusion and Middle Cerebral Artery Embolic Occlusion with Carotid Angioplasty and Stent Followed by Solitaire Stent Retriever and Aspiration Catheter

Stanley H. Kim, MD, FAANS; Yesenia De La Torre, BS; Kelsi Hernandez, BS; Nathan Dhablania (Austin, TX)

CEREBROVASCULAR

1101. Ependymal and Choroid Plexus Cell Barrier Dysfunction in a Mouse Model of Idiopathic Normal Pressure Hydrocephalus

Gabrielle Luiselli; Dejun Yang; Huijun Dai; Charles Ogagan; Shaokuan Zheng; Rona Carroll; Hong Wei Yang; Mark Johnson (Worcester, MA)

CEREBROVASCULAR

1102. Evaluation Of Immediate Heparin Or Eptifibatide Infusion Following Treatment Of Intracranial Aneurysms With Pipeline Embolization Devices.

Luke George Foley Smith, MD; Mark Damante, BS; Mark Constable; Juan Peng; David Dornbos, MD; Victoria Schunemann, MD; Ciarán powers, MD, PhD; patrick youssef, MD; shahid Nimjee, MD, PhD (Columbus, OH)

CEREBROVASCULAR

1104. Factors Associated with Intracranial Aneurysm Rupture: A HEAT Trial Secondary Study

Bernard R. Bendok, MD, FAANS; Karl Abi-Aad, MD; Rudy Rahme, MD; Devi Patra, MBBS; Alexandra Richards; Chandan Krishna, MD; Bernard Bendok (Phoenix, AZ)

CEREBROVASCULAR

1105. Factors Associated with Recurrence of Aneurysms Treated with Endovascular Coiling: A HEAT Trial Secondary Study

Bernard R. Bendok, MD, FAANS; Karl Abi-Aad; Rudy Rahme, MD; Devi Patra, MBBS; Kara Curley, PA-C; Ali Turkmani, MD; Chandan Krishna, MD; Bernard Bendok (Phoenix, AZ)

CEREBROVASCULAR

1106. Factors Determining The Side Of Approach For Clipping Ruptured Anterior Communicating Artery Aneurysm Via Supraorbital Eyebrow Keyhole Approach

Robin Bhattarai, MBBS, MSurg, PhD; Chuan Chen, MD; ChaoFeng Liang, MD, PhD; Hui Wang, MD, PhD; Tengchao Huang, MD; Ying Guo, MD, PhD (BIRATNAGAR, Nepal)

CEREBROVASCULAR

1107. Familial Predisposition and Differences in Radiographic Patterns in Spontaneous Non-Aneurysmal Subarachnoid Hemorrhage

Pui Man Rosalind Lai, MD; Isaac Ng, BSc; Rose Du, MD, PhD (Boston, MA)

CEREBROVASCULAR

1108. Far lateral craniotomy for clipping of an anterior inferior cerebellar artery-posterior inferior cerebellar artery common trunk aneurysm

Lei Zhao, MD; Yanchun Sun; Chunhai Su; Gaoyang Fan; Jun Liu; Lei Feng (Xi'an, China)

CEREBROVASCULAR

1110. Features of dissecting aneurysm with only headache

Yutaka Kai, PhD (Aso, Japan)

CEREBROVASCULAR

1112. Flow Diversion of Dissecting Aneurysms of the Vertebral Artery

Isaac Jonathan Pomeraniec, MD; Panagiotis Mastorakos, MD, PhD; Daniel Raper, MBBS; Min Park, MD (Bethesda, MD)

CEREBROVASCULAR

1113. Flow Diverter- A Boon For Challenging Intracranial Ruptured Blood Bleb Blister: Our Initial Experience Of 15 Cases.

Achal Gupta, MBBS, DNB; Raj Agarbattiwala; Nitin Dange (Mumbai, India)

CEREBROVASCULAR

1114. Frequency Of Mechanical Thrombectomy-Related Subarachnoid Hemorrhage In The Era Of Expanded Indications

Patrick Brown; Stacey Wolfe, MD; Kyle Fargen, MD (Winston-Salem, NC)

CEREBROVASCULAR

1115. Gait Variability Correlates With p-SP1453 Expression In The Motor Cortex In Experimental Subarachnoid Hemorrhage

George KC Wong, FRCS; Vera Zheng; Gang Lu; Mark Xiong; Chi Kwan Leung; Siu Wen Su; Tu Li; Wai Sang Poon; Wai Yee Chan (Hong Kong, China)

CEREBROVASCULAR

1117. Geographical Differences In The Treatment Of CNS Cavernous Hemangiomas: A Multicenter Epidemiologic Study

Abhiraj Bhimani, MD; Clayton Rosinski, BS; Saavan Patel, BS; Anisse Chaker, BA; Ankit Mehta, MD; J Mocco, MD (New York, NY)

CEREBROVASCULAR

1118. Giant Cerebellar Cavernomas In The Pediatric Population: A Case Report And Systematic Review

Mairre James Sumang Gaddi; Eric Dennis Legaspi, MD; Peter Paul Rivera, MD (Manila, Philippines)

CEREBROVASCULAR

1119. Headache Scores: a Viable Measure of Subarachnoid Hemorrhage Outcome

Brandon P. Lucke-Wold, MD; Vyas Viswanathan; Chad Jones; Gabrielle Aiello; Youlei Li; Katharina Busl; William Fox (Gainesville, FL)

CEREBROVASCULAR

1120. Hemicraniectomy for Malignant Cerebral Edema Due to Ischemic Stroke – 4-Year Results from a Single-Center Prospective Database

Kevin S. Chatley, MD; Domenico Gattozzi, MD; Kushal Shah, MD (Overland Park, KS)

CEREBROVASCULAR

1121. High Riding Jugular Bulb: A Rare Entity of Vascular Disease

Mario Alberto Molina De Haro; Chabelly Gómez-González, MD; José Elizondo-Villarreal; José Figueroa-Sánchez, MD, MBA (Monterrey, Mexico)

CEREBROVASCULAR

1122. Horner's Syndrome and Epistaxis after Rupture of a Petrous ICA Aneurysm: Case Report and Literature Review

Paula Alvarez; Fabian Romero Chala; Juan Perendreu Sans; Nicolas Romero Florez; Eva Cardona Gallego; Edgar Casajuana Garreta; Marcel Garcia Bach (Sabadell/Terrassa, Spain)

CEREBROVASCULAR

1124. Hybrid Open and Endovascular Approach for Occipital Arteriovenous Fistula with Complete Obliteration: Technical Note

Mansour Hassan Mathkour, MD; Mansour Mathkour, MD, MSc; Jayson Lavie, MD; Tyler Scullen, MD; Cassidy Werner, MSc; Paul Gulotta, MD; Gabriel Vidal, MD; James Milburn, MD; Edison Valle, MD (New Orleans, LA)

CEREBROVASCULAR

1125. INTERNAL JUGULAR VEIN PHLEBECTASIA IN ADULT PATIENT A VERY RARE FINDING

Andrea Garza Mireles; Javier Elizondo Ramirez; Julia Arango Vasquez; Jose Figueroa Sanchez (Monterrey, Mexico)

CEREBROVASCULAR

1126. Impact of Endovascular Therapies on Cerebral Arteriovenous Malformations: Trends in National Inpatient Sample 1993-2015

Shivani Baisiwala; Pedram Golnari; Pouya Nazari; Sameer Ansari; Ali Shaibani; Michael Hurley; Matthew Potts; Babak Jahromi (Chicago, IL)

CEREBROVASCULAR

1127. Impact of statewide and citywide prehospital transportation protocols on stroke volumes in primary stroke centers: the SBH Bronx experience

Ralph Rahme, MD; Brittany Owusu-Adjei Thomson; Rose Fluss, BA; Nkemdirim Ukoha; Christy Chon; Barbara Badio; Chidinma Nwaogbe; Stephanie Moawad; Kaitlyn Zugibe; Scott Segan, MD; Ridwan Shabsigh, MD (Bronx, NY)

CEREBROVASCULAR

1128. Improving Tractography in Brainstem Cavernoma Patients by Distorsion Correction

Sebastian Ille, MD; Sebastian Ille, MD; Marc Grziwotz; Maria Wostrack, MD; Bernhard Meyer, MD; Sandro Krieg, MD (Munich, Germany)

CEREBROVASCULAR

1129. In-hospital Stroke in the Endovascular Era

Jacques Jose Lara-Reyna; Jacques Lara-Reyna, MD; Kurt Yaeger, MD; Thomas DiChiara, MS; Abhiraj Bhimani, MD; J Mocco, MD; Johanna Fifi, MD (New York, NY)

CEREBROVASCULAR

1130. Incidental Unruptured Intracranial Aneurysms in Females Who Smoke Cigarettes and are Hypertensive: Consideration for New Screening Criteria

Santiago Guillermo Gomez-Paz; Kimberly Kicielinski, MD; Mohamed Salem, MD; Georgios Maragkos, MD; Michelle Lee, BS; David Vergara-Garcia; Rafael Rojas, MD; Justin Moore, MD; Ajith Thomas, MD; Christopher Ogilvy, MD (Boston, MA)

CEREBROVASCULAR

1133. Initial Experience With a Novel Minimally Invasive Intracerebral Hemorrhage Evacuation System

Zachary Troiani; Luis Ascanio, MD; Kurt Yaeger, MD; Jacques Lara-Reyna, MD; Muhammad Ali, BA; Christopher Kellner, MD (New York, NY)

CEREBROVASCULAR

1135. Intraarterial and Intravenous Videoangiography with ICG and Fluorescein: A Quantitative Comparative Investigation of Fluorescence Videoangiography Methods with Clinical Implications

Evgenii Belykh; Xiaochun Zhao, MD; Michael Lawton, MD; Mark Preul (Irkutsk, Russian Federation)

CEREBROVASCULAR

1136. Intracavitary Neuroprotection Following Intracerebral Hemorrhage: A Proposed Ovine Model to Demonstrate the Safety and Efficacy of Novel Therapeutic Strategies

Turner S Baker; Turner Baker, BSc; J Mocco, MD; Christopher Kellner, MD; Hazem Shoirah, MD; Anthony Costa, PhD (New York, NY)

CEREBROVASCULAR

1139. Intracranial Venous Sinus Stenosis: Hemodynamic Assessment With 2D Parametric Parenchymal Blood Flow Software On Digital Subtraction Angiography

Zayed Amer Almadidy, MD; Denise Brunozzi, MD; Ali Alaraj, MD (Chicago, IL)

CEREBROVASCULAR

1140. Intraoperative Vasospasm During Aneurysm Clipping For Subarachnoid Hemorrhage Relieved by Simultaneous Administration of Intra-Arterial Verapamil and Local Papaverine

Andrew J. Caras; Christopher Alexander, BS; Azedine Medhkour, MD (Toledo, OH)

CEREBROVASCULAR

1141. Investigation into the Yield of Clinically Relevant Imaging Findings on Repeated Follow-up Angiography After Craniotomy for Clipping of Ruptured and Unruptured Aneurysms: What is the Ideal Follow-up Schedule?

Stephanie Bacik Adamczak, MD, PhD; Rachel Fritz, BS; Dimitri Laurent, MD; Ndi Geh, MD; Brian Corliss, MD; Adam Polifka, MD; Brian Hoh, MD; W.Christoper Fox, MD (Gainesville, FL)

CEREBROVASCULAR

1142. Is Y-stenting Indicated For Wide Neck Bifurcation Aneurysms: Experience With 3D Shoulder Technique

Joshua H Weinberg; Ahmad Sweid; Daniel Joffe; Michael Reid Gooch; Stavropoula Tjoumakaris; Pascal Jabbour; Robert Rosenwasser; Hekmat Zarzour (Philadelphia, PA)

CEREBROVASCULAR

1143. Laboratory Complications Following Mechanical Thrombectomy: Functional and Neurological Outcomes

Cory L. Chang; Saurabh Sudesh, MS; Brandon Christophe, BA; Victoria Dreyer; Alex Brenner, BA; Lucas Axiotakis Jr., BS; Rebeca Aragón García, BS; E. Sander Connolly Jr., MD (New York, NY)

CEREBROVASCULAR

1144. Laser Light Source For Surgical Microscopy: Advanced Imaging And Capabilities

Kiyoshi Saito, MD, PhD, IFAANS; Taku Sato, MD, PhD; Yuhei Ito, MD; Ryo Hiruta, MD; Yosuke Kuromi, MD, PhD; Masayuki Yamada, MD, PhD; Masazumi Fujii, MD, PhD; Jun Sakuma, MD, PhD; Kyouichi Suzuki, MD, PhD (Fukushima, Japan)

CEREBROVASCULAR

1145. Laser Speckle Contrast Imaging for Visualizing Blood Flow During Cerebral Aneurysm Surgery: Comparison with Indocyanine-Green Angiography

David Miller; Colin Sullender, PhD; Andrew Dunn, PhD; Ramsey Ashour, MD (AUSTIN, TX)

CEREBROVASCULAR

1146. Long Term Outcomes of Radiosurgery and Embolization for the Management of Cerebral Arteriovenous Malformation in Modern Era

Muhammad Waqas, MBBS; Rimal Dossani; Andrew Gong; Said Zatar; Evan Winograd; Vincent Bargnes; Victor Goulenko; Dheerendra Prasad; Jason Davies; kunal Vakharia; Elad Levy; Adnan Siddiqui (Buffalo, NY)

CEREBROVASCULAR

1150. Low-cost Device For Fluorescein Videoangiography In Intracranial Aneurysm Surgery

Carlos Cezar Sousa de Lira, MD; Marco Zanini, MD, PhD; Pedro Hamamoto Filho, MD, PhD; Aderaldo Alves Júnior, MD; Leon Pinheiro, MD (Botucatu, Brazil)

CEREBROVASCULAR

1151. Lower Blood Pressure Post-Stroke Mechanical Thrombectomy is associated with Good Outcomes but Not sICH

Nguyen Hoang, MD; nguyen hoang, MD; Varun Shah; Jessica Granger, BS; Patrick Youssef, MD; Ciaran Powers, MD, PhD; Shahid Nimjee, MD, PhD (Columbus, OH)

CEREBROVASCULAR

1152. M2 Segment Thrombectomy Is Not Associated With Increased Complication Risk Compared To M1 Segment: A Systematic Review And Meta-Analysis Of Recent Literature

Andrew J. Caras; Christopher Alexander, BS; Azedine Medhkour, MD (Toledo, OH)

CEREBROVASCULAR

1153. Machine Learning Models Can Distinguish Ruptured From Unruptured Aneurysms

Michael Alexander Silva, MD; Jay Patel; Vasileios Kavouridis, MD; Troy Gallerani; Alfred See, MD; William Gormley; Mohammad Aziz-Sultan, MD; Jayashree Kalpathy-Cramer, PhD; Omar Arnaout, MD; Nirav Patel (Miami, FL)

CEREBROVASCULAR

1155. Magnetic Resonance Imaging guided Stereotactic Aspiration Of Spontaneous Intracerebral Hematoma: A Preclinical Feasibility Study

Bernard R. Bendok, MD, FAANS; Devi Patra, MBBS; Matthew Welz, MS; Rudy Rahme, MD; Karl Abi-Aad, MD; Chandan Krishna; Bernard Bendok (Phoenix, AZ)

CEREBROVASCULAR

1156. Magnetic Resonance Venography to Assess Access Route Before Inferior Petrosal Sinus Sampling

Kikutaro Tokairin, MD; Toshiya Osanai, MD, PhD; Noriyuki Fujima, MD, PhD (Sapporo, Japan)

CEREBROVASCULAR

1157. Management of AVMs in the Young Patient: Considerations on Diffuseness and Surgical Timing

Marco Cenzato, MD; Eleonora Marcati, MD; Davide Boeris, MD, PhD; Marco Picano, MD; Giulia Gribaudi, MD; Davide Colistra, MD; Mariangela Piano, MD; Edoardo Boccardi, MD; Alessandro Lacamera, MD (Milano, Italy)

CEREBROVASCULAR

1160. Master Regulators Involved In The Hippocampus Impairments Four Days Following Subarachnoid Hemorrhage (SAH)

Gavin W. Britz, MD, FAANS; Angelique Regnier-Golanov, PhD; Friederike Dundar, PhD; Paul Zumbo, PhD; Doron Betel, PhD; Eugene Golanov, MD, PhD (Houston, TX)

CEREBROVASCULAR

1161. Mechanical Thrombectomy For Acute Large Vessel Strokes With Low ASPECT Score (0-5): A Meta-analysis

Dorothy Yim; Hamidreza Saber, MD; Gary Rajah, MD; Ntami Echeng (Rowland Heights, CA)

CEREBROVASCULAR

1162. Mechanical Thrombectomy In Acute Ischemic Stroke Patients Greater Than 90 Years Of Age Experience In 26 Patients In A Large Tertiary Care Center: Outcome Comparison With Younger Patients

Joshua H Weinberg; Ahmad Sweid; Vivian Xu; Kavya Shivashankar; Tyler Alexander; Jane Khalife; Nicholas Elmer; Michael Reid Gooch; Nabeel Herial; Pascal Jabbour; Robert Rosenwasser; Stavropoula Tjoumakaris (Philadelphia, PA)

CEREBROVASCULAR

1163. Mechanistic Review of Potential Role for Cannabidiol in Aneurysmal Subarachnoid Hemorrhage

Nicholas Allen Henry; Jill Roberts; Joseph Chappell; Tamra Langley; Justin Fraser (Lexington, KY)

CEREBROVASCULAR

1164. Medical Management Versus Surgical Bypass for Symptomatic Intracranial Atherosclerotic Disease: A Systematic Review

Adeel Ilyas, MD; Adeel Ilyas, MD; Jared Chen, MD; Thomas Buell, MD; Natasha Ironside, MD; Gustavo Chagoya, MD; Philip Schmalz, MD; Dale Ding, MD; William Stetler, MD (Birmingham, AL)

CEREBROVASCULAR

1165. Medical Versus Endovascular Therapy in Treatment of Complete Symptomatic Carotid Occlusion

Andrew Douglas Gong; Muhammad Waqas, MBBS; Alexander Neary, BS; Aaron Levy; Kunal Vakharia, MD; Adnan Siddiqui, MD, PhD; Jason Davies, MD, PhD; Elad Levy, MD (Buffalo, NY)

CEREBROVASCULAR

1166. Metabolite Changes in Serum after Aneurysmal SAH and Related Delayed Cerebral Ischemia

Ondra Petr, MD, PhD; Wing Ho, MD; Alice Goerke, MD; Herbert Oberacher, PhD; Claudius Thome, MD; Ondra Petr, MD, PhD (Innsbruck, Austria)

CEREBROVASCULAR

1167. Metabolomic Alterations in Serum after Aneurysmal SAH and Related Clinical Outcome

Ondra Petr, MD, PhD; Wing Ho, MD; Alice Goerke, MD; Herbert Oberacher, PhD; Claudius Thome, MD; Ondra Petr, MD, PhD (Innsbruck, Austria)

CEREBROVASCULAR

1168. Micro Vascular Decompression (MVD) by Slinging of Tortuous Vertebrobasilar Artery (TVBA) to Petrous Dura :Technical video presentation

Forhad Hossain Chowdhury, MS; Mohammod Raziul Haque; Jalal Uddin Mohammod Rumi, MS; Mohammod Monir Hossain (Dhaka, Bangladesh)

CEREBROVASCULAR

1169. Microembolic Event During Endovascular Coiling For Unruptured Intracranial Aneurysms: Relationship With Clopidogrel Resistance

Jungchul Park; Yeon Heo, MD; Jae Sung Ahn, MD, PhD; Wonhyoung Park, MD; Deok Hee Lee, MD, PhD (Seoul, Republic of Korea)

CEREBROVASCULAR

1171. Microsurgery For Brain Arteriovenous Malformations

Batuk D Diyora; Batuk Diyora (Mumbai, India)

CEREBROVASCULAR

1172. Microsurgical Clipping Versus Coiling in the Treatment of Ruptured Intracranial sacular Aneurysms: A Meta-Analysis

Nicollas Nunes Rabelo, MD; NICOLLAS RABELO; BRUNO DA COSTA; LOUISE OLIVEIRA; Antonio Boechat; Manoel Teixeira; EBERVAL FIGUEIREDO (Ribeirao Preto, Brazil)

CEREBROVASCULAR

1173. Microsurgical Clipping of Posterior Communicating ( Pcom ) Artery Aneurysms: Outcome Analysis of Our Series

Gopal Raman Sharma, MD, IFAANS (Kathmandu, Nepal)

CEREBROVASCULAR

1174. Microsurgical Treatment of Unruptured Anterior Communicating Artery Aneurysms: Approaches and Outcomes in a Large Contemporary Series

Eric S. Nussbaum, MD, FAANS, FACS; jillienne touchette; michael madison; james goddard; jeff lassig; jodi lowary; leslie nussbaum (Minneapolis, MN)

CEREBROVASCULAR

1175. Microvascular Plugs For The Embolization of Cerebral Arteriovenous Malformations

Juan M. Corona-Ruiz, MD; Tamar Binyamin, MD; Vin Shen Ban, MD; Babu Welch, MD (Dallas, TX)

CEREBROVASCULAR

1176. Middle Meningeal Artery Embolization For Chronic Subdural Hematoma: A Novel Measure Of Treatment Effectiveness

Joseph O. Haynes; Monica Mureb, BS; Douglas Kondziolka, MD; Howard Riina, MD; Omar Tanweer, MD (Rochester, NY)

CEREBROVASCULAR

1177. Middle Meningeal Artery Embolization for Chronic Subdural Hematomas: A Systematic Review and Meta-analysis

Candice Le Nguyen; Candice Nguyen, BS; Quan Do, BS; C.J. Jared Chen, MD; Natasha Ironside; Beatrice Ugiliweneza; Emily Sieg, MD, MS; Robert James; Dale Ding, MD (Louisville, KY)

CEREBROVASCULAR

1178. Middle Meningeal Artery embolization with N-butyl cyanoacrylate (n-BCA) for chronic subdural hemorrhage

Luis Ascanio, MD; Zachary Troiani; Benjamin Yim; Daidre Rowe; Shahram Majidi; Johanna Fifi, MD; Alejandro Berenstein, MD; J Mocco, MD; Christopher Kellner, MD (Quincy, MA)

CEREBROVASCULAR

1179. Middle meningeal artery-sphenoparietal sinus iatrogenic arteriovenous fistula following pterional craniotomy and aneurysm clipping

Lekshmi Peringassery Sateesh; Vinayak Narayan, MD; Anil Nanda (Columbus, OH)

CEREBROVASCULAR

1180. Minimally Invasive Endoscopic Intracerebral Hemorrhage Evacuation Patients with Biopsy-Proven Cerebral Amyloid Angiopathy

Luis Ascanio, MD; Zachary Troiani; Muhammad Ali; J Mocco, MD; Christopher Kellner, MD (Quincy, MA)

CEREBROVASCULAR

1181. Minimally Invasive Evacuation Of Severe Intraventricular Hemorrhage Using The BrainPath Endoport-Assisted Microsurgical System

Georgios Alexopoulos, MD; Michael Prim, MD; Maheen Khan, MD; Nabiha Quadri, MD; Jorge Urquiaga, MD; Najib El Tecle, MD; Jeroen Coppens, MD (St Louis, MO)

CEREBROVASCULAR

1182. Minimally Invasive Surgical ICH Evacuation: Assessing The Use Of The Angiosuite

Turner S Baker; Turner Baker, BSc; Christopher Kellner, MD; Anthony Costa, PhD; J Mocco, MD (New York, NY)

CEREBROVASCULAR

1183. Minimally Invasive Technique (Nummular Craniotomy) for Mesial Temporal Lobe Epilepsy: a Comparison of Two Approaches

Nicollas Nunes Rabelo, MD; STENIO SARMENTO; NICOLLAS RABELO; EBERVAL FIGUEIREDO (Ribeirao Preto, Brazil)

CEREBROVASCULAR

1184. Moyamoya-like Intracranial Vessel Stenosis in a Patient with an MYH11 Mutation: A Case Report and Review of Two Prior Cases

Anthony S. Larson; Lorenzo Rinaldo, MD, PhD; Waleed Brinjikji, MD; Giuseppe Lanzino, MD (St. Paul, MN)

CEREBROVASCULAR

1188. Multiple Aneurysms with Single Flow Diverter, Less is More

Luis Eduardo Perez Martinez; Nerea Martin del Campo Guinovart; Mariana Roman Zamudio; Jose Figueroa-Sanchez, MD, MBA (Monterrey, Mexico)

CEREBROVASCULAR

1189. NAMPT mediates hypoxic conditioning-induced neurovascular protection in subarachnoid hemorrhage

Deepti Diwan; Deepti Diwan, PhD; Ananth Vellimana, MD; Jane Yuan, BA; Gregory Zipfel, MD (Saint Louis, MO)

CEREBROVASCULAR

1190. National Estimates Of Recurrent Intracranial Hemorrhage Among Patients With Ruptured Intracranial Aneurysms

Luke Alan Mugge, MD; Luke Mugge; Saqib Chaudhry; Iqra Akhtar; Adnan Qureshi (Falls Church, VA)

CEREBROVASCULAR

1191. National Trends In Utilization And Outcomes Of Endovascular Treatment In Acute Ischemic Stroke Patients In Pre- And Post-stent Retriever Era In The United States

Luke Alan Mugge, MD; Luke Mugge; Saqib Chaudhry; Iqra Akhtar; Adnan Qureshi (Falls Church, VA)

CEREBROVASCULAR

1192. National Trends In Utilization And Outcomes Of Thrombolytic Use By Drip And Ship Paradigm In Acute Ischemic Stroke Patients In United States

Luke Alan Mugge, MD; Luke Mugge, MD; Saqib Chaudhry; Iqra Akhtar; Adnan Qureshi (Falls Church, VA)

CEREBROVASCULAR

1193. Neuroendovascular-specific engineering modifications to the CorPath® GRX robotic system.

Gavin W. Britz, MD, FAANS; Gavin Britz; Viren Desai, MD (Houston, TX)

CEREBROVASCULAR

1194. Occipital Artery to Middle Cerebral Artery Bypass in Pediatric Moyamoya Disease: Rescue Therapy After Failed Revascularization

Hugo A. Andrade Barazarte, MD; Akikazu Nakamura, MD, PhD; Juha Hernesniemi; Akitsugu Kawashima, MD, PhD (Barquisimeto, Venezuela)

CEREBROVASCULAR

1195. Optimal Anesthesia Technique for Mechanical Thrombectomy in Anterior Circulation Occlusions: s/MAC vs. GA in a single center study of 399 Patients

Ahmad Sweid; Ahmad Sweid, MD; Joshua Weinberg, BS; Michael Buxbaum, BS; Lohit Velagapudi, BS; Lyena Birkenstock, BS; Daniel Habbal, BS; Spencer Bigelow, BS; Elsie Howell, BS; Victor Romo, MD; Stavropoula Tjoumakaris, MD (Philadelphia, PA)

CEREBROVASCULAR

1196. Outcome Of Patients Following Obliteration Of Spinal Dural Arterio Venous Fistula And Role Of Indo Cyanine Green Angiography (ICG-VA) During Surgery

VENKAT KOYALMANTHAM; Shashank Kale, MCh (Tirupati, India)

CEREBROVASCULAR

1197. Outcomes After Thrombectomy For Proximal And Distal M1 Occlusions

Bart Thaci, MD; Bart Thaci, MD; Gustavo Chagoya, MD; Galal Elsayed, MD; Arsalaan Salehani, MD; Brandon Pope, BS; Joshua Bernstock; Mark Harrigan (Sacramento, CA)

CEREBROVASCULAR

1199. Outcomes and Risk Factors Differ Among Octogenarians with Spontaneous Intracerebral Hemorrhage

Laura McGuire, MD; Laura McGuire, MD; Ashley Barks, MD; Mandana Behbahani, MD; Murad Alqadi, BS; Junaid Sandozi, BS; Fady Charbel, MD; Reza Dashti, MD, PhD (Chicago, IL)

CEREBROVASCULAR

1200. Paraclinoid Unruptured Aneurysms Treated By Pure Endonasal Approach

Paulo Porto de Melo, MD, IFAANS; Camila Dassi, MD; Flavia Demarco; Leonardo Balsalobre, MD, PhD; Aldo Stamm, MD, PhD; Marcus Morais, MD; Romulo Mota, MD; Douglas Gonsales, MD; Fernanda Zeringota (Sao Paulo, Brazil)

CEREBROVASCULAR

1201. Paramedian Supracerebellar Infratentorial Approach in the Park Bench Position in Children - A Technical Note

Vin Shen Ban, MD; Angela Price, MD; H. Hunt Batjer, MD; Bradley Weprin, MD; Rafael De Oliveira Sillero, MD (Dallas, TX)

CEREBROVASCULAR

1202. Partial gyrus rectus resection as a technique to improve the exposure to the anterior communicating artery complex through the junctional triangle: A quantitative anatomical study

Mark C. Preul, MD; Daniel Valli, MD; Xiaochun Zhao, MD; Evgenii Belykh, MD, PhD; Qing Sun, MD, PhD; Michael Lawton; Mark Preul, MD (Phoenix, AZ)

CEREBROVASCULAR

1203. Peri-Operative Outcomes for Adult Patients with the Modified Metabolic Syndrome Undergoing Elective Carotid Endarterectomy for Stenosis

Nathan Pertsch; Andreea Seicean; Krissia Rivera Perla; Steven Toms, MD, MPH; Robert Weil, MD (Providence, RI)

CEREBROVASCULAR

1206. Pial Arteriovenous Fistula with Primary Venous Drainage Through a Primitive Tentorial Sinus

Matthew Lambrych; Shen Hu, MD; Darren Orbach, MD, PhD (Rochester, NY)

CEREBROVASCULAR

1207. Pipeline Embolization for Recurrent Vertebral Artery Thromboembolic Events secondary to a Misplaced Pedicle Screw: A Case Report

Anthony S. Larson; Anthony Mikula, MD; Waleed Brinjikji, MD; Giuseppe Lanzino, MD (St. Paul, MN)

CEREBROVASCULAR

1208. Poppen Clamp Application and Internal Carotid Artery Ligation For The Treatment of Traumatic Carotico-Cavernous Fistula With Associated Pseudoaneurysm

Manilyn Ann Hong; Gerardo Legaspi, MD (Manila, Philippines)

CEREBROVASCULAR

1209. Post-Subarachnoid Hemorrhage Neurocognitive Deficits In Subacute And Chronic Period In Mice

Gavin W. Britz, MD, FAANS; Angelique Regnier-Golanov, PhD; Magda Hernandez, MSc; Eugene Golanov (Houston, TX)

CEREBROVASCULAR

1210. Post-procedural Platelet Function Testing in Neuroendovascular Surgery is Predictive of Ischemic Complications

Jason J. Kim; Yiping Li; Beverly Kienitz; David Niemann; Azam Ahmed (Madison, WI)

CEREBROVASCULAR

1211. Pre- and Intraoperative Application of Functional Data Obtained by Navigated Transcranial Magnetic Stimulation for Cerebral Cavernous Malformations

Sebastian Ille, MD; Sebastian Ille, MD; Maria Wostrack, MD; Bernhard Meyer, MD; Sandro Krieg, MD (Munich, Germany)

CEREBROVASCULAR

1212. Pre-Existing Medical Conditions and Functional Outcomes Following Mechanical Thrombectomy

Alex W Brenner; Cory Chang, AB; Saurabh Sudesh, BA; Brandon Christophe, BA; Victoria Dreyer; Rebeca Aragón García, BS; E. Connolly Jr., MD (New York, NY)

CEREBROVASCULAR

1214. Predicting Neurologic Decline in Ischemic Cerebellar Stroke

Douglas Ryan Taylor, MD; Jaafar Basma, MD; G. Jones; Jock Lillard, MD; David Wallace, BS; Sonja Ajmera, BS; L. Michael, MD (Memphis, TN)

CEREBROVASCULAR

1215. Prediction of Mortality After Evacuation of Supratentorial Spontaneous Intracerebral Hemorrhage

Haydn Hoffman, MD; Muhammad Jalal, BS; Lawrence Chin, MD (Syracuse, NY)

CEREBROVASCULAR

1216. Predictors of 30 Day Mortality After Minimally Invasive Endoscopic Intracerebral Hemorrhage Evacuation

Muhammad Ali; Luis Ascanio, MD; Zachary Troiani, BA; Nicki Mohammadi, BA; J Mocco, MD, MS; Christopher Kellner (New York, NY)

CEREBROVASCULAR

1217. Predictors of Excellent Long Term Functional Outcome Following Minimally Invasive Endoscopic Intracerebral Hemorrhage Evacuation

Muhammad Ali; Zachary Troianai, BA; Luis Ascanio, MD; Nicki Mohammadi, BA; J Mocco, MD, MS; Christopher Kellner (New York, NY)

CEREBROVASCULAR

1218. Predictors of Extended Length of Stay following Treatment of Unruptured Adult Cerebral Aneurysms

Aladine Abdalla Elsamadicy, BE, MD; Andrew Koo, BS; Aladine Elsamadicy, MD; Wyatt David, MS; I-Hsin Lin, PhD; Nanthiya Sujijantarat, MD; Fouad Chouairi; Branden Cord, MD, PhD; Ryan Hebert, MD; Farhad Bahrassa, MD; Charles Matouk, MD; Ajay Malhotra, MD (New Haven, CT)

CEREBROVASCULAR

1219. Predictors of Length of Stay after Minimally Invasive Endoscopic Intracerebral Hemorrhage Evacuation

Muhammad Ali; Zachary Troiani, BA; Luis Ascanio, MD; Nicki Mohammadi, BA; Kurt Yaeger, MD; Jacques Lara-Reyna, MD; J Mocco, MD, MS; Christopher Kellner, MD (New York, NY)

CEREBROVASCULAR

1220. Predictors of Visual Functional Outcome Following Treatment for Cavernous Sinus Meningioma

Nida Fatima, MBBS; Victoria Ding, MS; Summer Han, PhD; Steven Chang, MD; Antonio Meola, MD, PhD (Boston, MA)

CEREBROVASCULAR

1221. Predictors of development of Takotsubo Cardiomyopathy in aneurysmal subarachnoid hemorrhage and outcomes in patients with intra-aortic balloon pumps

Joshua Catapano, MD; Andrew Ducruet, MD; Fabio Frisoli, MD; Candice Nguyen, BSN; Mohamid Labib, MD; Jacob Baranoski, MD; Tyler Cole, MD; Alexander Whiting, MD; Vance Fredrickson, MD; Felipe Albuqueruqe, MD; Michael Lawton, MD (Phoenix, AZ)

CEREBROVASCULAR

1222. Preliminary Data of Phase I Clinical Trial Of Intraparenchymal Bone Marrow Stem Cell (BMSC) Transplantation Against Acute Ischemic Stroke (RAINBOW Study)

Masahito Kawabori; Hideo Shichinohe; Satoshi Kuroda; kiyohiro Houkin (Sapporo, Japan)

CEREBROVASCULAR

1223. Preliminary experience with Squid in AVMs treatment

Vitaly Kiselev; Alexey Sosnov, MD; Artem Perfilev, MD; Rustam Gafurov, MD, PhD (Saint-Petersburg, Russian Federation)

CEREBROVASCULAR

1224. Prevalence of Recurrent Artery of Heubner: A Meta-Analysis of Anatomical Characteristics

Kamil Krupa; Bendik Skinningsrud; Dominik Taterra; Julia Tryzna; Przemysław Pękala, MD, PhD; Jerzy Walocha; Krzysztof Tomaszewski, MD, PhD (Kraków, Poland)

CEREBROVASCULAR

1225. Prognostics and Management of Patients with Moyamoya Syndrome and Sickle Cell Disease: A Retrospective Cohort Study

Sarah H Newman; James Malcolm, MD, PhD; Jason Boulter, MD; Ivan Pradilla, MD; Gustavo Pradilla, MD (Atlanta, GA)

CEREBROVASCULAR

1226. Projected Increases in Aneurysmal Subarachnoid Hemorrhage, Endovascular Coiling, and Surgical Clipping in the United States

Sean Neifert; Dominic Nistal, BS; Michael Martini, BS; Kurt Yaeger, MD; Rui Feng, MD; Christopher Kellner, MD; J Mocco, MD; R Macdonald, MD, PhD; Eric Oermann, MD (New York, NY)

CEREBROVASCULAR

1228. Protective Effects Of Obstructive Sleep Apnea On Outcomes After Subarachnoid Hemorrhage: A Nationwide Analysis

Christian Marcel Kaculini; David Wallace, MD; Audrey Haywood, DO; Joel Michalek, PhD; Justin Mascitelli, MD; Ali Seifi, MD; Ramesh Grandhi, MD (San Antonio, TX)

CEREBROVASCULAR

1230. Quantitative Susceptibility Mapping and Vessel Wall Imaging as Screening Tool to Detect Microbleed in Sentinel Headache

Daizo Ishii; Daichi Nakagawa; Mario Zanaty; Jorge Roa; Sami Kasab; Amir Shaban; Joseph Hudson; Lauren Allan; Edgar Samaniego; David Hasan (Iowa City, IA)

CEREBROVASCULAR

1232. Racial Disparity in Patients Treated with Endovascular Therapy for Acute Ischemic Stroke in a Tertiary Urban Community Hospital Environment

William Wallace Ashley, Jr., MD, PhD, MBA, FAANS; Udaya Tantry, PhD; Amit Rout, MBBS; Abigail Chan; Saroj Timilsina; Richard Jung, MD; Adrian Goldszmidt, MD; Nicole Mahdi, MD; Carsten Ritter, MD; Jennifer Berkeley, MD, PhD; Paul Gurbel, MD; William Ashley, MD, PhD (Baltimore, MD)

CEREBROVASCULAR

1233. Radial Arterial Access For Intraoperative Thoracolumbar Spinal Angiography In The Prone Position

Joseph O. Haynes; Erez Nossek; Maksim Shapiro, MD; Bree Chancellor, MD; Anthony Frempong-Boadu, MD; Simone Peschillo, MD; Hunter Alves; Omar Tanweer, MD; David Gordon, MD; Eytan Raz, MD (Rochester, NY)

CEREBROVASCULAR

1234. Radiation Induced Imaging Changes and Cerebral Edema Following Stereotactic Radiosurgery for Brain Arteriovenous Malformations

Badih Junior; Gregory Palmateer, BA; D. Andrew Wilkinson, MD; B. Gregory Thompson, MD; Cormac Maher, MD; Neeraj Chaudhary, MD; Joseph Gemmete, MD; James Hayman, MD; Aditya Pandey, MD (Ann Arbor, MI)

CEREBROVASCULAR

1236. Recurrent Subdural Hematoma Associated with Arachnoid Cyst: A Case Report

Nancy Guadalupe Moreno; Andres Roblesgil-Medrano, BSc; Monica Herrera-Rodriguez, BSc; Katya Ortiz-Guzman, BSc; Enrique Caro-Osorio, MD; Jose Figueroa-Sanchez, MD (San Lucas el Grande, Mexico)

CEREBROVASCULAR

1238. Relationship between Periodontitis and Intracranial Aneurysm

Nicollas Nunes Rabelo, MD; NICOLLAS RABELO; BRUNA VAROTTO; PAULO BRAZ DA SILVA; JOSÉ TADEU DE SIQUEIRA; MANOEL TEIXEIRA; EBERVAL FIGUEIREDO (Ribeirao Preto, Brazil)

CEREBROVASCULAR

1239. Relationship of Occlusion Site and Outcomes After Intracranial Stenting for Acute Ischemic Stroke

Christine Tschoe; Colton Smitch; Kyle Fargen, MD; Patrick Brown, MD; Stacey Wolfe, MD (Winston-Salem, NC)

CEREBROVASCULAR

1240. Relative Neurological Improvement Within the First 24 hours is an Independent Predictor of Long-term Functional Outcome in Acute Ischemic Stroke Patients Following Thombectomy

Panagiotis Kerezoudis, MD; Mohammad Seyedsaadat, MD; Ali Daneshmand, MD; Alejandro Rabinstein, MD; David Kallmes, MD; Waleed Brinjikji (Rochester, MN)

CEREBROVASCULAR

1242. Retrospective Comparative Study for Effectiveness, Procedural Time and Radiation Exposure Between Primary Catheter Aspiration and Mechanical Thrombectomy with Stent Retriever in Ischemic Stroke

Mansour Hassan Mathkour, MD; Mansour Mathkour, MD, MSc; Edna E. Gouveia, MD; Brendan Huang, BS; Tyler Scullen, MD; Cassidy Werner, MSc; Paul Gulotta, MD; Gabriel Vidal, MD; James Milburn, MD; Edison P. Valle, MD (New Orleans, LA)

CEREBROVASCULAR

1244. Retrospective Review of Hemicraniectomy Following Thrombectomy in One Institution

Ryan Michael Holland, MD; Adisson Fortunel; Ariel Stock; David Altschul; Neil Haranhalli (Bronx, NY)

CEREBROVASCULAR

1245. Reversible Cerebral Vasoconstrictive Syndrome preceded by Minor Head Trauma

Lena Mary Houlihan; Philip O Halloran, MD; John Lynch; Peter Widdess-Walsh; Paul Brennan; Mohsen Javadpour (Phoenix, AZ)

CEREBROVASCULAR

1246. Routinely Performed Serial Follow-Up Imaging In Clinically Stable Patients With BSCM Is Redundant

Julia Velz; Flavio Vasella; Marian Neidert; Yang Yang; Luca Regli; Oliver Bozinov (Zürich, Switzerland)

CEREBROVASCULAR

1247. SCUBA: A Novel Technique for Management of Aneurysmal Intracerebral Hemorrhage

Alexander J. Schupper, MD; Kurt Yaeger, MD; Luis Ascanio-Cortez, MD; Zachary Troiani, BS; Christopher Kellner, MD (New York, NY)

CEREBROVASCULAR

1248. Sacral Arteriovenous Fistulas: A Descriptive Case Series

Neethu Gopal, M.B.B.S; Neethu Gopal, MD; Vivek Gupta, MD; George Vilanilam, MD; Nathaniel Todnem, MD; Prasanna Vibhute, MD; Mohamed Muneer, MD; David Miller; Guiseppe Lanzino, MD; Bernard Bendok, MD; Rabih Tawk, MD (Jacksonville, FL)

CEREBROVASCULAR

1249. Safety And Efficacy Of An Accelerated Deflation Algorithm For Patent Hemostasis In Transradial Neurovascular Procedures

Koushik Mantripragada; Nikolas Echeverry, BS; Stephen Shapiro; Brian Snelling, MD (Dunedin, FL)

CEREBROVASCULAR

1250. Safety and Yield of 3-Dimensional Rotational Angiogram as Part of Intra Operative Angiography for Cerebrovascular Surgery in The Hybrid Operating Theater

Oded Goren, MD; George bourdages; Christoph Griessenauer, MD; clemes schirmer, MD; shamsher dalal, MD; Gregory Weiner, MD; Oded Goren, MD (Danville, PA)

CEREBROVASCULAR

1251. Salvage Technique for Deformed WEB Device After Deployment, a Technical Note.

Zaid Aljuboori, MD; Nicolas Khattar, MD; Dale Ding, MD; Robert James, MD (Louisville, KY)

CEREBROVASCULAR

1252. Seasonal Variation in Aneurysmal Subarachnoid Hemorrhage and Vasospasm, an Analysis of the National Inpatient Sample

Sibi Rajendran, MD; Ryan Austerman, MD, MS; Gavin Britz (Houston, TX)

CEREBROVASCULAR

1254. Secretoneurine As A Novel Biomarker In SAH And Aneurysm Treatment: Preliminary Data And Gender Aspects

Alice Görke; Wing Mann Ho; Reiner Fischer-Colbrie; Bernhard Glodny; Claudia Unterhofer; Claudius Thomé; Ondra Petr (Innsbruck, Austria)

CEREBROVASCULAR

1256. Sex-Differences in Intracranial Hemorrhage in Appalachia

Nick DiMeo; Justin Fraser, MD (Lexington, KY)

CEREBROVASCULAR

1259. Skull Base Osteomyelitis With Complete Occlusion of the Right Internal Carotid Artery Presenting As A Stroke: Case Report And Review of The Literature

Caleb Vandyke; Matthew Hysell, MD; Kyle VanKoevering, MD; Erik Arnits, DO; Sheila Philpott, MD (St Joseph, MI)

CEREBROVASCULAR

1260. Sodium Defects and Peri-Operative Outcomes in Adults Undergoing Elective Primary Carotid Endarterectomy for Stenosis

Nathan Pertsch; Andreea Seicean; Daniel Kraft, BA; Steven Toms, MD, MPH; Robert Weil, MD (Providence, RI)

CEREBROVASCULAR

1261. Spontaneous Thrombosis Of Giant Dissecting Fusiform Middle Cerebral Aneurysm Following Double-Barrel Superficial Temporal Artery – Middle Cerebral Artery Bypass: A Case Report Of Decision-Making In Limited Resource Environment.

Trong Huynh; Daniel Felbaum, MD; Walter Jean, MD; Hung Ngo, MD (Scotch Plains, NJ)

CEREBROVASCULAR

1263. Stent-Assisted coiling of Cerebral Aneurysms: Head to head comparison Between the Neuroform Atlas and EZ Stents

Badih Junior; Gregory Palmateer; Joseph Linzey, MD, MS; B. Gregory Thompson, MD; Neeraj Chaudhary, MD; Joseph Gemmete, MD; Aditya Pandey, MD (Ann Arbor, MI)

CEREBROVASCULAR

1264. Stent-assisted Embolization After Acuter Aneurysmal Subarachnoid Hemorrhage

George KC Wong, FRCS (Hong Kong, China)

CEREBROVASCULAR

1266. Stereotactic Radiosurgery for Brain Arteriovenous Malformations: Evaluation of Obliteration and Adverse Effects and Review of Associated Predictors

Badih Junior; Gregory Palmateer, BA; B. Gregory Thompson, MD; Cormac Maher, MD; James Hayman, MD; Aditya Pandey, MD (Ann Arbor, MI)

CEREBROVASCULAR

1268. Stimulating The Facial Nerve To Treat Ischemic Stroke: A Systematic Review

Turner S Baker; Turner Baker, BSc; Thomas Oxley, MD, PhD; Anthony Costa, PhD (New York, NY)

CEREBROVASCULAR

1269. Study Protocol:Glibenclamide in Aneurysmatic Subarachnoid Hemorrhage (GASH)

Nicollas Nunes Rabelo, MD; Bruno Cosra, MD; isabella Windlin; NICOLLAS RABELO; VITOR YAMAKI; EDWIN KORTEBA; EBERVAL FIGUEIREDO (Ribeirao Preto, Brazil)

CEREBROVASCULAR

1270. Studying the Efficacy of Statins and Steroids in Treatment of Chronic Subdural Hematoma after Middle Meningeal Artery Embolization

Andrew Douglas Gong; Mohammad Waqas, MBBS; Steven Housley, MD; Hamid Rai; Felix Chin, BS; Kunal Vakharia, MD; Adnan Siddiqui, MD, PhD; Jason Davies, MD, PhD; Elad Levy, MD (Buffalo, NY)

CEREBROVASCULAR

1271. Submaximal Angioplasty in the Treatment of Patients with Symptomatic ICAD: A Systematic Review and Meta-Analysis

Mohamad Bydon, MD, FAANS ; Seyed Seyedsaadat, MD; Yagiz Yolcu, MD; Ain Neuhaus, DPhil; Asim Rizvi, MD; Muayad Alzuabi, MD; Mohammad Murad, MD, MPH; Waleed Brinjikji, MD; DAvid Kallmes, MD (Rochester, MN)

CEREBROVASCULAR

1272. Successful Reperfusion, Rather Than Number of Passes, Predicts Clinical Outcome After Mechanical Thrombectomy

Daniel A. Tonetti, MD; Shashvat Desai, MD; Roberta Sefcik, MD; Stephanie Casillo, BS; Brian Jankowitz, MD; Tudor Jovin, MD; Bradley Gross, MD; Ashutosh Jadhav, MD (Pittsburgh, PA)

CEREBROVASCULAR

1273. Superiority of Onyx Transarterial Embolization Through the Middle Meningeal Artery for the Treatment of Dural Arteriovenous Fistulas

Yosuke Akamatsu; Santiago Gomez-Paz, MD; David Vergara-Garcia, MD; Justin Moore, MD; Christopher Ogilvy, MD; Ajith Thomas, MD (Yahaba, Japan)

CEREBROVASCULAR

1274. Supraorbital Eyebrow Keyhole Approach For Microsurgical Management Of Ruptured Anterior Communicating Artery Aneurysm

Robin Bhattarai, MBBS, MSurg, PhD; ChaoFeng Liang, MD, PhD; Chuan Chen, MD; Hui Wang, MD, PhD; Tengchao Huang, MD; Xinjie Ning, MD; Ying Guo, MD, PhD (BIRATNAGAR, Nepal)

CEREBROVASCULAR

1275. Surgical Treatment Of Brainstem Cavernomas Accessed Through Safe Entry Zones: A Literature Review

Bernard R. Bendok, MD, FAANS; Ryan Hess, BSE; Ahmad AlMekkawi, MBBS; Karl Abi-Aad, MD; Devi Patra, MBBS; Rudy Rahme; Bernard Bendok (Phoenix, AZ)

CEREBROVASCULAR

1276. Surgical Versus Endovascular Treatments For Fusiform Intracranial Aneurysms: Systematic Review And Patient-Level Meta-Analysis

João Paulo Mota Telles; Davi Jorge Solla, MD, PhD; Vitor Yamaki, MD; Saul da Silva, MD, PhD; Manoel Teixeira, MD, PhD; Eberval Figueiredo, MD, PhD (Sao Paulo, Brazil)

CEREBROVASCULAR

1277. Survival from Ruptured Intracranial Aneurysms: 120 Years of Progress

YouRong Sophie Su, MD; Eric Zager, MD; Sherman Stein (Philadelphia, PA)

CEREBROVASCULAR

1281. T-junction Occlusion Stroke

Raj Agarbattiwala; Nitin Dange (Mumbai, India)

CEREBROVASCULAR

1282. TELEROBOTIC STROKE INTERVENTION: A NOVEL SOLUTION TO THE CARE DISSEMINATION DILEMMA

Gavin W. Britz, MD, FAANS; Virendra Desai, MD; Sandip Panesar, MD; Allan lumsden, MD (Houston, TX)

CEREBROVASCULAR

1283. Tailoring the Surgical Corridor to the Basilar Apex in the Pretemporal Transcavernous Approach: Morphometric Analysis of Different Neurovascular Mobilization Maneuvers

Mark C. Preul, MD; Xiaochun Zhao; Mohamed Labib, MD; Kurt Shaffer, BS; Leandro Borba Moreira; Dinesh Ramanathan, MD; Komal Naeem, MD; Evgenii Belykh, MD; Michael Lawton, MD; Miguel Lopez-Gonzalez, MD; Mark Preul, MD (Phoenix, AZ)

CEREBROVASCULAR

1284. Teaching Radial Artery Catheterization Using 3D Printing: A Feasibility Study

Lohit Velagapudi; Nathan Ott, BS; Ahmad Sweid, MD; Robert Pugliese, PharmD; J Fields, MD; Pascal Jabbour, MD (Philadelphia, PA)

CEREBROVASCULAR

1286. Tentorial Venous Anatomy: Variation in the Normal Population

Jared Rosenblum; Jessa Tunacao, MD; Vibhu Chandrashekhar, MS; Mateus Neto, MD; Abhishek Jha, MD; Wenya Bi, MD, PhD; James Smirniotopoulos, MD; Clifford Weiss, MD; Ossama Al-Mefty, MD; John Heiss, MD (Bethesda, MD)

CEREBROVASCULAR

1287. The Association Of Cerebrospinal Fluid Drainage In Aneurysmal Subarachnoid Hemorrhage (aSAH) Patients With Preoperative Factors, Outcomes And aSAH-Related Postoperative Complications.

Atsushi Sasahara; Hidenori Ohbuchi; Hidetoshi Kasuya (Tokyo, Japan)

CEREBROVASCULAR

1291. The Current Clinical Picture of Cerebral Proliferative Angiopathy: Systematic review

João Paulo Mota Telles; Vitor Yamaki, MD; Davi Jorge Solla, MD; Glaucia Lexy Liem, MD; Manoel Teixeira, MD, PhD; Eric Homero Paschoal, MD, PhD; Eberval Figueiredo, MD, PhD (Sao Paulo, Brazil)

CEREBROVASCULAR

1292. The Effects of Hyperglycemia on Intracerebral Hemorrhage Volume and Functional Outcomes

Justin Lee Sim; Isabella Romano, BA; Brandon Christophe, BA; E. Sander Connolly Jr., MD (Escondido, CA)

CEREBROVASCULAR

1293. The Neuroemergencies Management and Transfers (NEMAT) Program: Systematizing Interhospital Transfer Reduces Time to Emergent Neurosurgical Intervention

Ian Anthony Cossentino; Neha Dangayach, MD; Deeksha Chada, MPH; Nicki Mohammadi, BA; Natalia Romano Spica, BA; Julianne Kleitsch, BA; Daniel Karasik, BS; John Liang, MD; Kaitlin Reilly, MD; Cappi Lay, MD; Christopher Kellner, MD; Joshua Bederson, MD (New York, NY)

CEREBROVASCULAR

1294. The Persinstent Mitochondrial Oxidative Stress In Cerebral Arteries Due To Chronic Arterial Hypertension Can Be Reversed By SS-31 In Mild Traumatic Brain Injury Rat Model

Andras Czigler; Luca Toth; Nikolett Szarka; Gergely Berta; Krisztina Amrein; Akos Koller; Endre Czeiter; Dominika Lendvai-Emmert; Stefano Tarantini; Zoltan Ungvari; Andras Buki; Peter Toth (Pécs, Hungary)

CEREBROVASCULAR

1295. The Role Of Extracellular RNA (eRNA) For Neuroinflammation After Experimental Subarachnoid Hemorrhage

Ran Xu; Katharina Tielking; Silvia Fischer; Ulf Schneider; Klaus Preissner; Peter Vajkoczy (Berlin, Germany)

CEREBROVASCULAR

1296. The Role of Altered CSF Dynamics in Remote Cerebellar Hemorrhage: a Case Series

Esther Wu; Matthew Anderson, MD; Petra Klinge, MD, PhD (Providence, RI)

CEREBROVASCULAR

1297. The Ruptured Arteriovenous Malformation Grading Scale (RAGS): A Grading Scale To Predict Clinical Outcome for Patients With Ruptured Brain Arteriovenous Malformations

Michael Alexander Silva, MD; Evan Luther, MD; Pui Man Lai, MD; Samir Sur, MD; Stephanie Chen, MD; Rose Du, MD; Mohammad Aziz-Sultan, MD; Nirav Patel, MD (Miami, FL)

CEREBROVASCULAR

1298. The SmartForceps System: Quantifying the Forces of Surgical Dissection

Garnette Roy Sutherland, MD, FAANS(L), FRCSC; Sanju Lama, MD, PhD; Hamidreza Hoshyarmanesh, PhD; Mohammadsaleh Razmi, MSc; Amir Baghdadi, PhD; Garnette Sutherland (Calgary, Canada)

CEREBROVASCULAR

1299. The Use of Antiplatelet Agents and Anticoagulation in the 24-hour IV-tPA Window For Neurointervention

Mandy Jo Binning, MD, FAANS; Daniel Felbaum, MD; Kenneth Liebman, MD; Erol Veznedaroglu, MD; Nanak Chugh, MD; Adam Arthur, MD; Nitin Goyal, MD; Elad Levy, MD; Kunal Vakharia, MD; Aditya Pandey, MD; Badih Daou, MD; Rabih Tawk, MD (New Hope, PA)

CEREBROVASCULAR

1300. The Use of Machine Learning Algorithms to Predict 30-day Readmission in Patients with Aneurysmal Subarachnoid Hemorrhage

Haydn Hoffman, MD; Ahmed Souid; Lawrence Chin, MD (Syracuse, NY)

CEREBROVASCULAR

1301. Three-Vessel Anastomosis for Direct Bihemispheric Cerebral Revascularization

Kristine Ravina; Shivani Rangwala, MD; Benjamin Yim, MD; Jordan Lam, MD; Ben Strickland, MD; Joseph Carey, MD; Jonathan Russin, MD (Los Angeles, CA)

CEREBROVASCULAR

1303. Time Course of Metabolomic Alterations in Serum after Aneurysmal SAH

Ondra Petr, MD, PhD; Wing Ho, MD; Alice Goerke, MD; Herbert Oberacher, PhD; Claudius Thome, MD; Ondra Petr, MD, PhD (Innsbruck, Austria)

CEREBROVASCULAR

1307. Total Cholesterol Is An Independent Predictor Of Decreased Mortality And Delayed Cerebral Ischemia Following Aneurysmal Subarachnoid Hemorrhage

Boyi Li; Matthew McIntyre, BA; Chirag Gandhi, MD; Andrew Long, BS; Alexander Van Hoof, BS; Mohamed Halabi, BS; Adil Afridi, BS; Meic Schmidt, MD; Chad Cole, MD; Justin Santarelli, MD; Fawaz Al-Mufti, MD; Christian Bowers, MD (Valhalla, NY)

CEREBROVASCULAR

1308. Transition To Radial Approach For Neurovascular Procedures Is Safe And Convenient: Characterization Of A Learning Experience

David Vergara-Garcia, MD; Santiago Gomez-Paz, MD; Timothy Robinson, MD; Justin Moore, MD; Christopher Ogilvy, MD; Ajith Thomas, MD (Bogota, Colombia)

CEREBROVASCULAR

1309. Transradial Access Failures During Angiography For Moyamoya Disease

Evan Luther, MD; David McCarthy, MSc; Stephanie Chen, MD; Samir Sur, MD; Allison Strickland, MD; Dileep Yavagal, MD; Robert Starke, MD, MSc; Eric Peterson, MD (Miami, FL)

CEREBROVASCULAR

1311. Transradial Approach for Neurointerventions: A Systematic Review of the Literature

Krishna C Joshi; Andre Beer-Furlan, MD, PhD; Webster Crowley, MD; Micheal Chen, MD; Stephan Munich, MD (Chicago, IL)

CEREBROVASCULAR

1312. Transradial approach as the first line in anterior circulation neurointervention

Junichi Koyama; Yoshiki Hanaoka; Tetsuyoshi Horiuchi, PhD (Matsumoto, Japan)

CEREBROVASCULAR

1313. Transradial versus Transfemoral Approaches for Diagnostic Cerebral Angiography: A Prospective Comparative Effectiveness Study

Jeremy G. Stone, MD; Benjamin Zussman, MD; Daniel Tonetti, MD; Merritt Brown, MD; Shashvat Desai, MD; Bradley Gross, MD; Ashutosh Jadhav, MD; Tudor Jovin, MD; Brian Jankowitz, MD (Pittsburgh, PA)

CEREBROVASCULAR

1314. Trapping And Wrapping Of A Middle Cerebral Artery Dissection With Ruptured Pseudoaneurysm: A Case Report And Review of Literature

Mairre James Sumang Gaddi; Gerardo Legaspi, MD; Peter Paul Rivera, MD; Alaric Emmanuel Salonga, MD (Manila, Philippines)

CEREBROVASCULAR

1315. Treatment of Intracranial Aneurysms Associated with Moyamoya Disease: A Midwestern USA Single Center Case Series

Anthony S. Larson; Lorenzo Rinaldo, MD, PhD; Waleed Brinjikji, MD; Giuseppe Lanzino, MD (St. Paul, MN)

CEREBROVASCULAR

1316. Treatment of wide-necked aneurysms at the basilar apex utilizing an antegrade approach to stent-assisted coiling.

Awais Vance, MD; Megan Still, MD; Matthew Fiesta, MD; Babu Welch, MD (Dallas, TX)

CEREBROVASCULAR

1318. Trends in Cerebrovascular Practice Volume and Relationship with Trainee Experience

Pokmeng See, MD; Nirav Patel, MD; Garth Cosgrove, MD (Chicago, IL)

CEREBROVASCULAR

1319. Trends in Incidence and Mortality by Hospital Teaching Status and Location in Aneurysmal Subarachnoid Hemorrhage

Sean Neifert; Michael Martini, BS; Dominic Nistal, BS; Trevor Hardigan, MD, PhD; Travis Ladner, MD; R Macdonald, MD, PhD; Eric Oermann, MD (New York, NY)

CEREBROVASCULAR

1320. Trends in Ischemic Stroke Incidence, Case-Fatality, and Age-Adjusted Mortality Rates in the United States

Sean Neifert; Michael Martini, BS; Dominic Nistal, BS; Trevor Hardigan, MD, PhD; Rui Feng, MD; Eric Oermann, MD (New York, NY)

CEREBROVASCULAR

1322. Unique Microvascular Anastomoses Task Trainer for Neurosurgical Resident Learning

Callum Dewar; Jake Stewart, BS; Carter Bell; Jonathan Garst, MD; Julian LIn, MD (Peoria, IL)

CEREBROVASCULAR

1323. Upper Extremity Peripheral Nerve Stimulation Improves Behavioral Recovery Following Experimental Stroke

Russ P. Nockels, MD, FAANS; Gwendolyn Kartje, MD, PhD; Shih-Yen Tsai, MD (Maywood, IL)

CEREBROVASCULAR

1324. Urgent Treatment for Symptomatic ICA Stenosis: The Pittsburgh Revascularization and Treatment Emergently after Stroke (PIRATES) Protocol

Daniel A. Tonetti, MD; Daniel Tonetti, MD; Brian Jankowitz, MD; Roberta Sefcik, MD; Paul Gardner, MD; Robert Friedlander, MD; Bradley Gross, MD; Ashutosh Jadhav, MD; Tudor Jovin, MD (Pittsburgh, PA)

CEREBROVASCULAR

1325. Usefulness of Licox Monitor in Moyamoya Disease: A Case Report

Theresa Gammel; Elizabeth Wirkowski, MD; Charles Mikell, MD; Susan Fiore, MS (East Setauket, NY)

CEREBROVASCULAR

1326. Utility of MRI and Lumbar Puncture in Identifying Venous Sinus Stenosis in Idiopathic Intracranial Hypertension

Mehmet Enes Inam; Victor Lopez-Rivera, MD; Faheem Sheriff, MD; Luis De Alba, MD; Elvira Lekka, MD; Sunil Sheth, MD; Clark Sitton, MD; Peng Chen, MD (Houston, TX)

CEREBROVASCULAR

1327. Utilization and Outcomes in Radial Access for Emergent Mechanical Thrombectomy Compared to Conventional Femoral Access: A Single Center Study

Leah Lyons; Leonard Verhey, MD; Andres Restrepo Orozco, MD; Marion Oliver, MD; Paul Mazaris, MD; Jenny Peih Chir Tsai, MD; Muhib Khan, MD; Justin Singer, MD (Grand Rapids, MI)

CEREBROVASCULAR

1328. Validation Of 360° Virtual Reality In Evaluating Aneurysms After Clipping

Thomas C. Steineke, MD, PhD, FAANS; Azka Shaikh, BA; Daniela Barbery, BS; Ashish Kulhari, MD; Farah Fourcand, MD; Amrinder Singh, MD; Daniel Ro, MD; Haralabos Zacharatos, MD; Sidhart Mehta, MD; Jawad Kirmani, MD (Edison, NJ)

CEREBROVASCULAR

1330. Vascularisation of Internal capsule: Fiber dissection study correlated with MR Tractography and Angiography

PELİN kuzucu; PELİN KUZUCU; GÖKTUĞ ÜLKÜ; PINAR ÇELTİKÇİ; EMRAH ÇELTİKÇİ; AHMET MEMDUH KAYMAZ; ÖMER HAKAN EMMEZ; AHMET AKBAŞ; MURAT ŞAKİR EKŞİ; M.NECMETTİN PAMİR; ABUZER GÜNGÖR (ANKARA, Turkey)

CEREBROVASCULAR

1334. Volumetric Analysis of Infarct on Brain Magnetic Resonance Imagining and Clinical Outcome in Ischemic Stroke after Mechanical Thrombectomy

Ahmad Sweid; Ahmad Sweid, MD; Mahdi Alizadeh, PhD; Pascal Jabbour, MD; Stavropoula Tjoumakaris, MD; Nabeel Herial, MD, MPH; Nikolaos Mouchtouris, MD; Joshua Weinberg, BS; Robert Rosenwasser, MD; Reid Gooch, MD (Philadelphia, PA)

CEREBROVASCULAR

1335. Volumetric Sizing Analysis Of The Woven Endobridge (WEB) Device

Kevin A. Shah, MD; Tim White, MD; Ina Teron, MD; Amir Dehdashti, MD, FACS; Katz Jeffrey, MD; Henry Woo, MD (Manhasset, NY)

CEREBROVASCULAR

1337. Younger Age Is Predictive of Radial Approach Failure in Neurovascular Procedures

Yangchun Li; Stephanie Chen, MD; Marie-Christine Brunet, MD; Samir Sur, MD; Evan Luther, MD; Allison Strickland, MD; Ahmed Nada, MD; Dileep Yavagal, MD; Eric Peterson, MD; Robert Starke, MD, MSc (Miami, )

CEREBROVASCULAR

1338. ‘’Intracranial Arterial Dolichoectasia, More Than an Exclusive Intracranial Vasculopathy and the Importance of Multidisciplinary Approach’’

Jorge Bryan Ortega-Marquez; Amado Ruíz (Mexico City, Mexico)

HISTORY

1340. An Analysis of Medicare Reimbursement for Neurosurgeon Office Visits: 2010-2018

Maya T Harrington; Jordan Pollock, BS; Jack Haglin, BS; Kent Richter, BS; Naresh Patel, MD (Scottsdale, AZ)

HISTORY

1341. Dr. John M. Tew and his Contributions to the Neurosurgical Treatment of Trigeminal Neuralgia

Anthony S. Larson; Andrew Grande, MD (St. Paul, MN)

HISTORY

1343. Evolution of the Surgical Treatment of Trigeminal Neuralgia

Jeffery Ruscito Head; Jacob Mazza, BS; Victor Sabourin, MD; Victor Sabourin, MD; James Evans, MD (Philadelphia, PA)

HISTORY

1345. From Frame to Frameless—Framing the Evolution of Neurosurgical Head Holders

Anissa Saylany; Sara Ganaha, MD; Nikhil Sharma, MS; Ronald Reimer, MD; Jang Yoon, MD, MSc (Philadelphia, PA)

HISTORY

1347. History and Legacy of 150th Harvey William Cushing Birth Anniversary

Josué da Silva Brito; Isabela Silva Simões; Lara Mariana Rosa; Christiano Tadeu Sanches Mattos Kilesse; Murillo Cintra Husni; José Luiz de Faria; Nícollas Nunes Rabelo (Paracatu, Brazil)

HISTORY

1348. History of the Epilepsy Surgery Fellowship at the Montreal Neurological Institute and Its Worldwide Impact

Farhan Arshad Mirza, MBBS; Jeffery Hall, MD, MSc (Lexington, KY)

HISTORY

1349. Honoring our Anatomical Ancestors: A Comprehensive Review of 21 Neurovascular Eponyms

Dimitri Benner; Benjamin Hendricks, MD; Michael Lawton, MD (Vienna, Austria)

HISTORY

1350. Looking far beyond the Scalpel: The Stanford Cyber Knife Experience over the Past Two Decades (1999-2018)

Nida Fatima, MBBS; Antonio Meola, MD; Steven Chang, MD (Boston, MA)

HISTORY

1351. Milton Dave Heifetz (1921-2015): Neurosurgery and Beyond

Fareed Jumah; Fareed Jumah, MD; Elizabeth Ginalis, MD; Rachel Yan, BS; Anil Nanda, MD, MPH (Piscataway, NJ)

HISTORY

1352. Oscar Sugar and first successful separation of craniopagus twin

Tanmoy Kumar Maiti, MD; Kara Curley; Chandan Krishna; Bernard Bendok; jamal mcclendon (Phoenix, AZ)

HISTORY

1353. Patient First Philosophies and Neurosurgical Health Maintenance

Christian G. Zimmerman, MD, FAANS, FACS; Mckenzie Malach, BS; Ariana Garabedian, BS (Boise, ID)

HISTORY

1354. The Effect Of Using Different Grafting Materials On Dural Closure In Posterior Fossa Surgery: A Review Of The Literature

Bernard R. Bendok, MD, FAANS; Arjun Syal, BS; Karl Abi-Aad, MD; Devi Patra, MBBS; Bernard Bendok, MD; Rudy Rahme, MD (Phoenix, AZ)

HISTORY

1355. The Effect of Academic Rank and Years in Practice on Bibliometric Profile Growth Rates Among Academic Neurosurgeons in the New York Metropolitan Area

Dhruv Shankar; Paul Chung; Theodore Hannah, BA; Nickolas Dreher, BA; Adam Li, BS; Jennifer Dai, BS; Alexander Post; Tanvir Choudhri, MD (New York, NY)

HISTORY

1356. The Medium Of Dissemination And Illustration In Neuroanatomy: Unraveling The Evolution

Bharath Raju; Fareed Jumah, MD; Anil Nanda (Bangalore, India)

HISTORY

1357. The “Special Field” of Dreams: Building a Destination Neurosurgical Practice

Courtney Pendleton, MD; Henry Brem, MD; Robert Rosenwasser, MD, MBA; Alfredo Quinones-Hinojosa, MD (Philadelphia, PA)

HISTORY

1358. Traugott Riechert: European pioneer of Stereotactic Neurosurgery

Tanmoy Kumar Maiti, MD; Kara Curley; Chandan Krishna; Bernard Bendok; Jamal McClendon (Phoenix, AZ)

HISTORY

1359. Wilder Penfield’s Cases of Removal of Vasomotor Nerves from Intracranial Vessels for Treatment of Refractory Epilepsy

Farhan Arshad Mirza, MBBS; Jeffery Hall, MD, MSc (Lexington, KY)

PAIN

1360. A Case Series of Intractable Urologic Pain Treated by Punctate Midline Myelotomy

Tyler Ball, MD; Zaid Aljuboori, MD; Shawn Adams, MD; Haring Nauta, MD, PhD (Louisville, KY)

PAIN

1361. A meta-analysis of gender differences in chronic pre-operative opioid use in spine surgery patients

ChungWang Lee; Yookyung Seo; Sharmila Devi, MBBS; Yu Tung Lo; Angela Simon; Kelsey Zborovancik; Mona Alsheikh; Nayan Lamba, MD; Timothy Smith; Rania Mekary; Linda Aglio, MD, MS (Boston, MA)

PAIN

1362. Catastrophic Failure Of Spinal Cord Stimulator Paddle Electrodes In The Cervical Spine

Stacy E. Hatcher; Ellen Air, MD, PhD (Detroit, MI)

PAIN

1363. Changes in the muscles of mastication before and after Primary Stereotactic Radiosurgery in patients with idiopathic Trigeminal Neuralgia

Nasser Mohammed, MBBS, MCh; Yi-Chieh Hung; Eluvathingal Thomas; Roy Bliley; Zhiyuan Xu; Jason Sheehan, MD, PhD (Charlottesville, VA)

PAIN

1364. Cost Analysis of Cordotomy and Intrathecal Pain Pump Placement for the Treatment of Refractory Pain in Cancer Patients.

Zaid Aljuboori, MD; Brian Williams, MD; Joseph Neimat, MD (Louisville, KY)

PAIN

1366. Decreasing Neurosurgical Narcotic Footprint: Impact of Opioid Prescribing Guidelines on Postoperative Prescriptions Following Intracranial Surgery

Mohamad Bydon, MD, FAANS ; William Krauss, MD; Elizabeth Habermann, PhD; Anshit Goyal, MD; Amy Glasgow; Daniel Ubl; Halena Gazelka, MD; Ian Parney, MD, PhD; Frederic Meyer, MD; Robert Spinner, MD; Mohammed Ali Alvi, MD; Daniel Whipple, MS (Rochester, MN)

PAIN

1368. Effect of SCS on M1 and M2 Microglia Activation

William J. Smith; Satya Sanapati; David Cedeño, PhD; Courtney Kelley, MS; Dana Tilley, PhD; Ricardo Vallejo, MD, PhD (West Lebanon, NH)

PAIN

1369. Effects of Streamlined High Dose and High Frequency Stimulation in SCS to Determine Optimal Settings

Julie G. Pilitsis, MD, PhD, FAANS; Michael Gillogly; Olga Khazen, BS; Breanna Sheldon, MS; Marisa DiMarzio, PhD; Kimberly Thill, BS; Lucian Williams (Albany, NY)

PAIN

1371. Gamma Knife Radiosurgery for Trigeminal Neuralgia Provides Greater Pain Relief at Higher Dose Rates

Andrew I. Yang, MD, MS; Kobina Mensah-Brown, BS; Svetlana Kvint, MD; Connor Wathen; Frederick Hitti, MD, PhD; Love Buch, BS; Stephen Avery, PhD; Michelle Alonso-Basanta, MD, PhD; Jay Dorsey, MD, PhD; John Lee (Philadelphia, PA)

PAIN

1372. Headaches After Aneurysmal Subarachnoid Hemorrhage: Comparing Endovascular And Open Surgery

Vyas Viswanathan; Brandon Lucke-Wold; Chad Jones; Gabrielle Aiello; Youlei Li; Alexandra Ayala; Nicholas Nelson; Chris Fox; Katharina Busl (Chicago, IL)

PAIN

1373. Impact Of Siphon Control On Complications In Ventriculoperitoneal Shunt Implantation In Adults

Virendra R. Desai, MD; Saeed Sadrameli, MD; Amanda Jenson, MD; Samuel Asante, MD; Bradley Daniels, MD; Todd Trask, MD; Gavin Britz (Houston, TX)

PAIN

1374. Impact Of State Legislation On Opioid Prescribing After Lumbar Laminotomy

Christopher J Whiting; Deborah Cushing; Sarah Porter, MPH; Lauren Atkinson; Anand Rughani, MD (Falmouth, ME)

PAIN

1376. Medicare Utilization Trends for Spinal Cord Stimulators: 2010-2018

Jack Michael Haglin; Kent Richter, BS; Jordan Pollock, BS; Jakub Godzik, MD; Naresh Patel, MD (Scottsdale, AZ)

PAIN

1377. Modified Craniocervical Approach For Resection Of The Styloid Process in Patients With Eagle's Syndrome

Felipe Andres Constanzo Navarrete, MBBS; Ricardo Ramina, MD, PhD; Mauricio Coelho Neto, MD; Gustavo Jung, MD (Concepcion, Chile)

PAIN

1378. Multiple Recurrences of Trigeminal Neuralgia Caused by Deformation of the Trigeminal Nerve

Zaid Aljuboori, MD; Haring Nauta, MD, PhD (Louisville, KY)

PAIN

1379. Neurostimulation of Gasser Ganglion in Management of Trigeminal Neuropathic Pain: Case Report and Literature Review

Chabelly Gomez Gonzalez; Fortino Salazar-Salazar, MD; Juan Padilla-Martínez, MD; Mario Molina-DeHaro, MD (Monterrey, N. L., Mexico)

PAIN

1381. Occipital Neuralgia: A Neurosurgical Prospective

Muhammad Burhan Ud Din Janjua, MD; Tarek EL Ahmadieh, MD; Van Shen Ban, MD; Sumanth Reddy; Ali Ozturk, MD; Steven Hwang, MD; Amer Samdani, MD; Peter Passias, MD; William Welch, MD; Vincent Arlet, MD (Rockford, IL)

PAIN

1383. Opioid Prescriptions Following Major Spine Surgery: A Meta-Analysis Of Prevalence And Risk Factors

Jack Yu Tung Lo, MB,BS BSc; Michelle Lim-Watson; Yookyung Seo; Noemi Fluetsch; Moudi Alasmari; Mona Alsheikh; Nayan Lamba; Timothy Smith; Linda Aglio; Rania Mekary (Singapore, Singapore)

PAIN

1384. Opioid Utilization in Neurosurgical Practice, Insights from a Nationwide Survey

Tyler Martin Schmidt, DO; Samuel Tomlinson, MS; Christopher Winfree, MD; Owoicho Adogwa, MD; Joshua Rosenow, MD; Jason Schwalb; Kristopher Kimmell, MD (Rochester, NY)

PAIN

1385. Outcomes Using an SCS Device Capable of Delivering Combination Therapy and Advanced Waveforms/Field Shapes

Clark Metzger; M. Blake Hammond, PA; Stephen Pyles, MD; James North, MD; Anthony Berg, MD; Romanth Waghmarae, MD; Yu Pei, MPA; Roshini Jain, MS (Pensacola, FL)

PAIN

1386. Outcomes of a Spinal Cord Stimulation System Capable of Multiple Neurostimulation Modalities: A Randomized Controlled Trial (COMBO)

Mark Wallace, MD; Lilly Chen, MD; Roshini Jain, MS (La Jolla, CA)

PAIN

1387. Potential Mechanisms of Trigeminal Neuralgia in Patients Presenting with Imaging Findings of Idiopathic Intracranial Hypertension

Brandon Philbrick; Solmaz Asnafi, MD; Amit Saindane, MD, MBA; D. Cory Adamson, MD, PhD (Atlanta, GA)

PAIN

1388. Predicting 30-day Perioperative Outcomes in Adult Spinal Deformity (ASD) Patients with Baseline Paralysis or Functional Dependence

Peter Gust Passias; Haddy Alas, BS; Cole Bortz, BA; Katherine Pierce, BS; Avery Brown, BS; Sara Naessig, BS; Waleed Ahmad; Bassel Diebo, MD; Shaleen Vira, MD; M. Burhan Janjua, MD; Michael Gerling, MD (Brooklyn Heights, NY)

PAIN

1389. Preliminary Results of the Paired Acute Invasive/Noninvasive Stimulation (PAINS) Clinical Trial

Tariq Parker; Yongzhi Huang, PhD; Huiling Tan, PhD; Tipu Aziz; Alexander Green (Oxford, United Kingdom)

PAIN

1390. Punctate Midline Myelotomy for Intractable Unilateral Ureteral Pain, a Case Report.

Zaid Aljuboori, MD; Tyler Ball, MD; Haring Nauta, MD, PhD (Louisville, KY)

PAIN

1392. Superior Semicircular Canal Dehiscence Postoperative Outcomes: A Case Series of 187 Repairs

Shelby Willis; Michelle Hong, BS; Dillon Dejam, BS; Mahlet Alemnew, BS; Michael Johanis; Tyler Miao; Courtney Duong, BS; Isaac Yang, MD; Quinton Gopen, MD (Los Angeles, CA)

PAIN

1393. Tethered Cord Relief With A Spinal Cord Stimulator

Keyne K. Johnson, MD ; Hope Kern (Orlando, FL)

PAIN

1394. The Effect of Low Intensity Pulsed Focused Ultrasound Treatment on Mechanosensitive Ion Channels in a Rat Common Peroneal Nerve Injury Model

Julie G. Pilitsis, MD, PhD, FAANS; Vraj Patel; Teresa Maietta, BS; Abigail Hellman, BA; Olivia Zimmerman; Paul Neubauer, BSE; Goutam Ghoshal, PhD; Clif Burdette, PhD; Emery Williams, BS; Adithya Srikanthan (Albany, NY)

PAIN

1395. The Role of an Intrathecal Drug Delivery Morphine Pump for Management of Chronic Pain

Muhammad Safwan Jalal; Muhammad Jalaluddin, MD (Syracuse, NY)

PAIN

1396. Toradol in Cervical Fusions: Initial Experience

Jacqueline Regan; Jacqueline Regan, MPH; Nirali Patel, MD; Kyle Mueller, MD (Annandale, VA)

PAIN

1399. Utilizing Advanced Analytics to Derive Novel Multifactorial Outcome Metrics in Chronic Pain Spinal Cord Stimulation Patients

Richard Rauck; Eric Loudermilk, MD; Julio Paez, MD; Louis Bojrab, MD; Mohab Ibrahim, MD, PhD; John Noles, MD; Todd Turley, MD; James Scowcroft, MD; Nathan Miller, MD; Jeffrey Rogers, PhD; Kristen Lechleiter, MS (Winston-Salem, NC)

PEDIATRIC

1402. A Brief History of Clinical Practice Guidelines from the Pediatric Neurosurgical Section of the AANS and CNS

Mohammed Omar Iqbal, MD; David Baur, MD; Ann Marie Flannery, MD; Catherine Mazzola, MD (Newark, NJ)

PEDIATRIC

1403. A Comparison of the Most Cited Literature in Pediatric Neurosurgery, Pediatric Surgery, and General Pediatrics

Kimberly Anne Major; Oliver Mrowczynski, MD; Elias Rizk, MD; Alice Cai (Annville, PA)

PEDIATRIC

1404. A Novel Canine Model for the Study of Paravascular Flow

Riccardo Serra; Riccardo Serra; Noah Gorelick; Smruti Mahapatra; Ari Blitz; Amir Manbachi; Mark Luciano (Baltimore, MD)

PEDIATRIC

1405. A Quality Improvement Project to Improve Care for Neurosurgical Patients with Shunts Through Implementing a Transition Care Process

Amanda Johnson; David Frim, MD, PhD; Jill Marks (Romeoville, IL)

PEDIATRIC

1407. An Arrow That Missed The Mark: A Pediatric Case Report Of Remarkable Neurologic Improvement Following Penetrating Spinal Cord Injury

Lucas P. Carlstrom, MD, PhD; Christopher Graffeo, MD; Avital Perry, MD; David Daniels, MD, PhD (Rochester, MN)

PEDIATRIC

1410. Assessment Of Encephalocele Patients: Survival and Associated Findings

Luca Hugo Debs, MD; Aria Jamshidi, MD; Sebastian Sanchez-Luege; Victoria Pinilla; Eduardo Bancalari, MD; Heather McCrea, MD, PhD (Augusta, GA)

PEDIATRIC

1411. Assessment Of The Correlation Of Serum And Tissue miRNA In Pediatric Brain Tumor Patients

Markus Joseph Bookland, MD, FAANS ; Mabeline Velez, BS; Shefali Thaker, BS; Eileen Gillan, MD; Xianyuan Song, MD (Hartford, CT)

PEDIATRIC

1412. Bilateral Cephalohematoma with Sagittal Synostosis and Scaphocephaly

Avery Kopacz; Laszlo Nagy; Joshua Demke (Lubbock, TX)

PEDIATRIC

1413. Calcifying Pseudoneoplasms Of The Neuraxis (CAPNON) Presenting With Intractable Seizures In A Child. Case Report And Literature Review

Ghaida Mustafa Fatani; Balgees ajlan; Abdulrahman Sabbagh (Jeddah, Saudi Arabia)

PEDIATRIC

1414. Call for Collaboration: the Experience of Establishing a Multicenter Shunt Biobank

Jacob Gluski; Paul Zajciw, MS; Prashant Hariharan, MS; Amanda Morgan, BA; David Limbrick, MD, PhD; James McAllister, PhD; William Whitehead, MD, MPH; Andrew Jea, MD; Carolyn Harris, PhD (Detroit, MI)

PEDIATRIC

1415. Challenging Neurosurgical Complications after Separation of Craniopagus Twins

Al Amin Salek, MBBS, FCPS, MRCS; Stephan Hudak; Stephan Valálik; Shafiq Islam; Kalman Czeibert; Marcell Csapody; Attila Josvai; Bence Trencsenyi; Elod Egeto; Andras Csokay; Greg Pataki; Aminul Islam (Dhaka, Bangladesh)

PEDIATRIC

1416. Chiari II Malformation in infants and children: A Single Center Experience in Mexico

Louis Valery Carius Estrada; Gerardo SÁNCHEZ RODRÍGUEZ, MD; Alma Ramírez Reyes, MD (Mexico City, Mexico)

PEDIATRIC

1417. Choroid Plexus Papilloma Arising From The Cerebellopontine Angle Of An Adolescent: A Case Report and Review Of Literature

Mairre James Sumang Gaddi; Jeffrey Lappay, MD; Alaric Emmanuel Salonga, MD (Manila, Philippines)

PEDIATRIC

1418. Clinical Experience with a Novel Retrograde Flushing Shunt System for the Treatment of Hydrocephalus

Joseph A. Falcone, MD; Michael Muhonen, MD; Joseph Madsen, MD; Ramin Eskandari, MD; Libby Infinger; Sudhakar Vadivelu, DO (Orange, CA)

PEDIATRIC

1419. Comparison of Prenatal Ultrasound and Postnatal Spinal Imaging to Determine Anatomic Lesion Level in Myelomeningocele

Katie Barnes; Isaac Shamblin; Jacob Lepard, MD; Betsy Hopson; Chase Cawyer, MD, MBA; Jeffrey Blount, MD; Brandon Rocque, MD, MS (Hoover, AL)

PEDIATRIC

1420. Complications Of Neuroendoscopy With Septostomy

Travis Atchley, MD; Blake Sowers, BS; Anastasia Arynchyna, MPH; Brandon Rocque, MD (Birmingham, AL)

PEDIATRIC

1422. Concurrent Acute Lymphoblastic Leukemia and Low Grade Glioma in an Adolescent

Michael G. Kim, MD; John Wainwright, MD; George Kleinman, MD; Michael Tobias, MD; Avinash Mohan, MD (Valhalla, NY)

PEDIATRIC

1423. Cranial Vault Asymmetry Index Association With Significant Clinical Diagnoses

Katherine Kelly; Katherine Kelly, BS; Ranbir Ahluwalia, BS; Jarrett Foster, BS; Alyssa Wiseman; Georgina Sellyn, MA; Christopher Bonfield, MD; Chevis Shannon (Nashville, TN)

PEDIATRIC

1424. Crossing the Cervicothoracic Junction in Complex Pediatric Deformity Using Anterior Cervical Discectomy and Fusion

Brandon J. Toll; Amer Samdani, MD; Joshua Pahys, MD; Amir Amanullah, BS; Steven Hwang, MD (Biddeford, ME)

PEDIATRIC

1425. Current Epidemiology of Symptomatic Pediatric Moyamoya in the United States: A National Database Analysis

Edward Robert Smith, MD, FAANS; Leopold Arko IV, MD, MS; Alaa Montaser, MD, PhD; Coleman Riordan, BS; Jennifer Judge; David Zurakowski, PhD; Darren Orbach, MD, PhD; Edward Smith (Boston, MA)

PEDIATRIC

1426. Deformational Brachycephaly: The Clinical Utility of Cranial Index

Ranbir S. Ahluwalia; Jarret Foster, BS; Katherine Kelly, BS; Muhammad Owais Abdul Ghani; Alyssa Wiseman, MS; Madeleine Sherburn, BA; Georgina Sellyn, MA; Christopher Bonfield, MD; Chevis Shannon (Orlando, FL)

PEDIATRIC

1427. Delayed Seizure Recurrence after Stereotactic Laser Ablation in Children with Refractory Epilepsy: A Volumetric and Thermometric Assessment

Jonathon J. Parker, MD, PhD; Austin Feng, BS; JoJo Yang, MD; Daniel Barbosa, MD; Sabir Saluja, BS; Kevin Kumar, MD, PhD; Brenda Porter, MD, PhD; Casey Halpern, MD; Gerald Grant, MD (Stanford, CA)

PEDIATRIC

1428. Determinant of Symptomatic Ventricular Collapse in a Cohort of Shunt-Naïve Pseudotumor Cerebri Patients

Riccardo Serra; Smruti Mahapatra; Giorgia Simboli; Carlos Ortiz-Babilonia; Sakibul Huq; Noah Gorelick; Lacie Manthripragada; Aruna Rao; Abhay Moghekar; Mark Luciano (Baltimore, MD)

PEDIATRIC

1429. Diffuse Intrinsic Pontine Gliomas: Diagnostic Approach and Treatment Strategies

Muhammad Burhan Ud Din Janjua, MD; Vin Shen Ban, MD; Tarek El Ahmadieh, MD; Steven Hwang, MD; Amer Samdani, MD; Todd Alexander, MD; Angela Price, MD; Bradley Weprin, MD; Hunt Batjer, MD (Rockford, IL)

PEDIATRIC

1430. Do Small Pituitary Lesions In Pediatric Patients Need Neurosurgical Monitoring?

Genevieve Korst; Hunter Ratliff; Joseph McFarland, BS; Thomas Frank, MD; Zain Allison, MD; Daniel Branch, MD; Phillip Lee, MD; Aaron Mohanty, MD (Galveston, TX)

PEDIATRIC

1431. Dual Myelomeningoceles In Twins: Insights Into An Environmental Versus Genetic Etiology

Andrew J. Kobets, MD; Jordina Rincon-Torroella, MD; Nicholas Caffes, MD; Eric Jackson, MD; Shenandoah Robinson, MD; Alan Cohen, MD; Mari Groves, MD (Bronx, NY)

PEDIATRIC

1432. Early Morphologic Effects of Anterior Vault Distraction Osteogenesis on Intracranial Volume, Orbital Volume and Nasal Symmetry

Meena Thatikunta, MD; Mohammed Nuru, MS; Luke Pearson, MD; Thomas Moriarty, MD, PhD; Ian Mutchnick; William Gump, MD; Mark Chariker, MD; Scott Rapp, MD (Louisville, KY)

PEDIATRIC

1433. Effectiveness of Imaging Markers on Noncontrast Computed Tomography (CT) in Predicting Early Epidural Hematoma Growth

Avery Kopacz; TuongVy Dang; Laszlo Nagy; Mark Stevens (Lubbock, TX)

PEDIATRIC

1434. Endoscopic Strip Craniectomy For Sagittal Craniosynostosis: Intraoperative Findings And Changes In Head Shape Over Time

Suresh N. Magge, MD, FAANS; Hebzibha Alexander; Antonio Reyes Porras Perez; Marius Linguraru; Robert Keating, MD; Gary Rogers, MD (Washington, DC)

PEDIATRIC

1435. Expansive Decompression Cranioplasty in Craniodiaphyseal Dysplasia: A Case Report

Lean Angelo Ang Silverio; John David Mata, MD; Euvin Paul Lagapa, MD; Geraldo Legaspi, MD; Rina Angeles, MD; Bernie Tansipek, MD (Davao City, Philippines)

PEDIATRIC

1436. Functional Hemispherectomy using Magnetic Resonance (MR)-Guided Laser Induced Thermal Therapy (LITT)

Melissa Chua, MD; Joseph Madsen, MD; Archana Patel, MD; Sanjay Prabhu, MD; Scellig Stone, MD (Boston, MA)

PEDIATRIC

1437. Geographical Variation in Outcomes and Costs following Spinal Fusion for Adolescent Idiopathic Scoliosis

Aladine Abdalla Elsamadicy, BE, MD; Aladine Elsamadicy, MD; Andrew Koo, BS; Adam Kundishora, MD; Wyatt David, MD; Christopher Hong, MD; Megan Lee, BS; Victor Lee, BS; Kristopher Kahle, MD, PhD; Michael DiLuna, MD (New Haven, CT)

PEDIATRIC

1438. Giant Skull Vault Defect in a Child caused by Langerhans Cell Histiocytosis: The ‘Calvaria Eating Disease’

Jaskaran Singh Gosal; Jigish Ruparelia, MS; Mayank Garg, MCh; Suryanaryanan Bhaskar; Deepak Jha, MCh; Poonam Elhence, MD (Jodhpur, India)

PEDIATRIC

1439. Growing Pains: The Use of ViviGen Cellular Bone Matrix in Pediatric Posterior Cervical Spine Fusions

Joanna Elizabeth Gernsback, MD; Tord Alden, MD (Oklahoma City, OK)

PEDIATRIC

1441. High Altitude Modulates Concussion Incidence, Severity, And Recovery In Young Athletes

Adam Li; Muhammad Ali; Theodore Hannah; Nickolas Dreher; Dhruv Shankar; Naoum Fares Marayati; Zachary Spiera; Mark Lovell, PhD; Tanvir Choudhri, MD (New York, NY)

PEDIATRIC

1442. High Dose MTX110 (Soluble Panobinostat) Safely Administered into the Fourth Ventricle in a Non-Human Primate Model

Natasha Kharas; Bangning Yu, PhD; Christopher Janssen, DVM; Amanda Trimble; Leomar Ballester, MD, PhD; Rajan Patel, MD; William Elmquist; Afroz Mohammad; Surabhi Talele; Rachael Sirianni, PhD; David Sandberg, MD (Houston, TX)

PEDIATRIC

1443. Hydrocephalus Outcomes in Zambia

Rebecca Anne Reynolds, MD; Arnold Bhebhe; Roxanna Garcia, MD; Kachinga Sichizya; Chevis Shannon (Nashville, TN)

PEDIATRIC

1444. Illustrated Dynamic Stories Behind Pediatric Neurosurgery

Voramol Rochanaroon; Danil Kozyrev, MD; Jonathan Roth, MD, PhD; Shlomi Constantini, MD, PhD (Tel Aviv-Yafo, Israel)

PEDIATRIC

1445. Independent predictors of recurrence for pediatric meningiomas, a large single-center case series

Katie Pricola Fehnel, MD; Mohammed Fouda; Edward Smith; Karen Marcus; R. Michael Scott; Katie Fehnel (Boston, MA)

PEDIATRIC

1446. Initial Experience with the ReFlow Shunt Device and Prophylactic Flushing in Pediatrics

Ramin Eskandari, MD, FAANS ; J. Vasas, BS; Mohammed Alshareef, MD (Mount Pleasant, SC)

PEDIATRIC

1447. Intracranial Hypertension and Sleep-Disordered Breathing In Children With Craniosynostosis

Mohammed Omar Iqbal, MD; Juling Ong, MBBS; Noor Jeelani, MBBS; Gregory James, MBBS; David Dunaway, MBBS (Newark, NJ)

PEDIATRIC

1449. Intraventricular Baclofen as Treatment for Lesch-Nyhan Dystonia: A Case Report and Review of Three Cases in the Literature

Helen J Zhang; Luke Tomycz; Catherine Christie; Tatiana Sikorskyj; Jeffrey Sica; Cameron Erdman; Catherine Mazzola (Providence, RI)

PEDIATRIC

1450. Intraventricular Migration of Bone Dust After Endoscopic Third Ventriculostomy: A Report of 2 Cases and Review of Literature.

Kevin Penaverde Chan, MD; Manilyn Hong, MD; Gerardo Legaspi, MD (Muntinlupa, Philippines)

PEDIATRIC

1451. Laser Interstitial Thermal Therapy (LITT) in children

Muhammad Burhan Ud Din Janjua, MD; Tarek EL Ahmadieh, MD; Van Shen Ban, MD; Alison Dolce, MD; Angela Price, MD (Rockford, IL)

PEDIATRIC

1452. Long-Term Recurrence and Risk of Second Surgeries after Resection of Symptomatic Cavernous Malformations in Pediatric Patients

Michael Chuwei Jin; Laura Prolo, MD, PhD; Hannes Vogel, MD; Michael Edwards, MD; Gary Steinberg, MD, PhD; Gerald Grant, MD (Menlo Park, CA)

PEDIATRIC

1454. Lumbar Spondylolysis and Spondylolisthesis in Children and Young Athletes

Jake Stewart; Julian Lin, MD; Jake Stewart; Jonathon Garst, MD (Peoria, IL)

PEDIATRIC

1456. Management of Sterile Abdominal Pseudocyst Related to Ventriculoperitoneal Shunt

Rima Sestokas Rindler, MD; Andrew Erwood, MD; Mustafa Motiwala, BS; Sonia Ajmera; Brandy Vaughn, RN; Paul Klimo, MD, MPH; Joshua Chern, MD, PhD (Atlanta, GA)

PEDIATRIC

1457. Maternal Socioeconomic Factors And Religious Background In Encephalocele Patients

Luca Hugo Debs, MD; Aria Jamshidi, MD; Victoria Pinilla; Sebastian Sanchez-Luege; Eduardo Bancalari, MD; Heather McCrea, MD, PhD (Augusta, GA)

PEDIATRIC

1458. Multi-Trajectory Surgical Approach Outcome In Treatment Of Pediatric Craniopharyngioma: Retrospective Cohort Study In 35 Cases

Hanan Naif AlJohani; Essam ALSHAIL (Riyadh, Saudi Arabia)

PEDIATRIC

1459. Multimodal Analgesia After Posterior Fossa Decompression With and Without Duraplasty For Children With Chiari Type I

Belinda Shao, MD; Abdul Tariq, PhD; Hannah Goldstein, MD; Nikita Alexiades, MD; Krista Mar, MS; Neil Feldstein, MD; Richard Anderson, MD; Mirna Giordano, MD (Providence, RI)

PEDIATRIC

1460. NEURO-ENDOSCOPY AS A MULTIPURPOSE TOOL IN THE MANAGEMENT OF PEDIATRIC BRAIN TUMORS

Andre Monteiro; Andre Monteiro, MD; Elena Greco; Gustavo Cortez, MD; Philipp Aldana, MD (Jacksonville, FL)

PEDIATRIC

1461. Neuroendoscopical surgical training for Assessment of a Pediatric mixed reality model

Nicollas Nunes Rabelo, MD; GISELE COELHO; Eberval Figueiredo; Nicollas Rabelo; Manoel TIEXIEIRA; Nelci Zanon (Ribeirao Preto, Brazil)

PEDIATRIC

1463. Outcomes of Awake Craniotomy in the Pediatrics Population: A Single Institutional Experience

Ahmed J. Awad, MD; Brandon Laing; Jennifer Koop; Bruce Kaufman; Irene Kim; Andrew Foy; Sean Lew (Milwaukee, WI)

PEDIATRIC

1464. Parietal Sinus Pericranii: Case Report

Thomas Bogale Megerssa, MD; Abdulaziz Hussein; Eunik Son, MD, PhD (Addis Ababa, Ethiopia)

PEDIATRIC

1465. Pediatric Foramen Magnum Meningiomas: A systematic review

Andre Monteiro; Andre Monteiro, MD; Gustavo Cortez, MD; Maick Willen Neves, MD; Telmo belsuzarri, MD; Philipp Aldana, MD (Jacksonville, FL)

PEDIATRIC

1466. Pediatric Head Injury Where Do We Stand?

Dr. Babita Khanal; Dr. Babita Khanal; Dr Prakash Kafle (Narayanghat, Nepal)

PEDIATRIC

1467. Pediatric Septal Dysembryoplastic Neuroepithelial Tumor (sDNT): Current Trends

Ranbir S. Ahluwalia; Laura Hayes, MD; Lili Miles, MD; Andrea Scherer, MD (Orlando, FL)

PEDIATRIC

1468. Pediatric Vascular Malformations: A Single Center Experience

Michel Sourour, MD; Michel Sourour, MD; Mohamed Kesserwan, MD; Amanda Martyniuk; Brian Van Adel, MD, PhD; Blake Yaraskavitch, MD; Olufemi Ajani, MD; Sheila Singh, MD, PhD (Hamilton, Canada)

PEDIATRIC

1469. Pediatric Versus Adult Ependymoma: Comparison of Epidemiology, Treatments, and Outcomes

Aladine Abdalla Elsamadicy, BE, MD; Aladine Elsamadicy, MD; Wyatt David, MS; Victor Lee, BS; Andrew Koo, BS; Cheryl Zogg; Adam Kundishora, MD; Christopher Hong, MD; Megan Lee, BS; Kristopher Kahle, MD, PhD; Michael DiLuna, MD (New Haven, CT)

PEDIATRIC

1470. Percutaneous Endoscopic Resection of A Nasal Glioma: Case Report

Lei Zhao, MD; Julei Wang; Qilong Tian; Tao Huang; Jiahua Zhou; Yan Qu (Xi'an, China)

PEDIATRIC

1471. PiPeD Revascularization: A Novel Surgical Technique for Treatment of Posterior Cerebral Territory Ischemia in Pediatric Moyamoya. A Case Series with Long-term Clinical and Radiographic Follow-up

Edward Robert Smith, MD, FAANS; Alaa Montaser, MD, PhD; Jessica Driscoll; Hudson Smith; Tina Mounlavongsy; Madeline Karsten; Emily Day; Darren Orbach, MD, PhD; Edward Smith (Boston, MA)

PEDIATRIC

1472. Positional Posterior Plagiocephaly: Determining a Clinical CVAI Correlation

Ranbir S. Ahluwalia; Jarret Foster, BS; Chelsea Kiely; Madeleine Sherburn; Georgina Sellyn, MA; Chevis Shannon; Christopher Bonfield, MD (Orlando, FL)

PEDIATRIC

1473. Posterior Fossa and Spinal Malformations Result from Failure of Mesenchymal Transition in EPAS1-Gain-of-Function Syndrome

Jared Rosenblum; Anthony Cappadona, BS; Davis Argersinger, BS; Ying Png, MD, PhD; Herui Wang, PhD; James Smirniotopoulos, MD; Markku Miettinen, MD, PhD; Russell Knutsen, BA; Beth Kozel, MD, PhD; Zhengping Zhuang, MD, PhD; Karel Pacak; John Heiss, MD (Bethesda, MD)

PEDIATRIC

1474. Pre-Operative Headaches and Obstructive Hydrocephalus Predict an Extended Length of Stay following Suboccipital Decompression for Pediatric Chiari I Malformation

Aladine Abdalla Elsamadicy, BE, MD; Aladine Elsamadicy, MD; Andrew Koo, BS; Wyatt David, MS; Adam Kundishora, MD; Christopher Hong, MD; Megan Lee, BS; Cheryl Zogg; Kristopher Kahle, MD, PhD; Michael DiLuna, MD (New Haven, CT)

PEDIATRIC

1475. Precocious Puberty Caused by A Large Suprasellar Glioependymal Cyst in A Child

Chin Lik Tan; Sein Lwin (Singapore, Singapore)

PEDIATRIC

1476. Predicting Determinants Of Spine Metastases At Initial Presentation Of Pediatric Brain Tumor Patients

Adrian J Rodrigues; Zachary Medress, MD; Hriday Bhambhvani, BS; Jamasb Sayadi, BS; David Hong, MD (Stanford, CA)

PEDIATRIC

1477. Predicting Perinatal Course in Patients with Antenatal Diagnosis of Central Nervous System Abnormalities

Kayla Schilling; Tristan Mackey; Sharon Keiser, MD; Christopher Troup, MD; Jennifer Hudson, MD; Jason Hill, MD; Dylan Solise, MD (Greenville, SC)

PEDIATRIC

1478. Predicting Postoperative Respiratory Failure in Children Undergoing Surgery for Posterior Fossa Tumors

Eric A. Goethe; Melissa LoPresti, MD; Nisha Gadgil, MD; Sandi Lam, MD, MBA (Seabrook, TX)

PEDIATRIC

1479. Predictors of Shunt-dependent Hydrocephalus Following Intraventricular Hemorrhage in Premature Infants; Introducing a Novel Scoring System

Mohammed Ahmed Hasen, MD; Demitre Serletis; Carling Macdonald, MD (Winnipeg, Canada)

PEDIATRIC

1480. Progress in Diffuse Intrinsic Pontine Glioma: Advocating for Stereotactic Biopsy in the Standard of Care

John Ross Williams, MD; Christopher Young; Nicholas Vitanza, MD; Margaret McGrath, MD; Abdullah Feroze, MD; Samuel Browd, MD, PhD; Jason Hauptman, MD, PhD (Seattle, WA)

PEDIATRIC

1482. RELA Fusion-Positive Ependymoma In A Child With Down Syndrome

Alon H. Kashanian; Julie Chan; Serguei Bannykh; Fataneh Majlessipour; Joshua Breunig; Moise Danielpour (Los Angeles, CA)

PEDIATRIC

1483. Readmission Rates After Intracranial Tumor Resection Surgery In Children

Muhammad Burhan Ud Din Janjua, MD; Sumanth Reddy, MD; William Welch, MD; Ali Ozturk, MD; Steven Hwang, MD; Amer Samdani, MD; Angela Price, MD; Bradley Weprin, MD; Dale Swift, MD (Rockford, IL)

PEDIATRIC

1487. Return of Flow in a Nonflowing Shunt using a Noninvasive Bioinspired Retrograde Flushing Device: Demonstration by Thermal Flow Detection

Elsa Arocho-Quinones, MD; Joseph Madsen, MD; Mustafa Hameed; Scellig Stone, MD, PhD, FRCSC (Boston, MA)

PEDIATRIC

1488. Seizure Disorder in Patients with Congenital Hydrocephalus: Incidence Rate, Genetic Mutations, and Concurrent Congenital Anomalies

Aladine Abdalla Elsamadicy, BE, MD; Aladine Elsamadicy, MD; Adam Kundishora, MD; Wyatt David, MS; August Allocco, BS; Andrew Koo, BS; Tyrone Despenza, BS; Benjamin Reeves, BS; Charles Matouk, MD; Michael DiLuna, MD; Kristopher Kahle, MD, PhD (New Haven, CT)

PEDIATRIC

1489. Seizure and Functional Outcomes following Corpus Callosotomy with Assessment of Pre-Operative Radiographic Indices

Jonathan A. Pindrik, MD, FAANS ; Hannah Johnson, MPH; Adam Ostendorf, MD; Aaron McAllister, MD; Nathan Rosenberg, MD; Jayanthi Parthasarathy; Ammar Shaikhouni, MD, PhD; Jeffrey Leonard, MD (Columbus, OH)

PEDIATRIC

1492. Split Cord Malformation Presentation, Management and Surgical Outcome

Nada Alnefaie; Ahoud Alharbi; Othman Alamer; Ibtesam Khairy, MD; Mahfood Saeed, MD; Moutasem Azzubi, MD; Sami Khairy, MD (Riyadh, Saudi Arabia)

PEDIATRIC

1493. Split Notochord Syndrome with Neuroenteric Fistula: Surgical Repair for a Rare Diagnosis

Mansour Hassan Mathkour, MD; Mansour Mathkour, MD, MSc; Cassidy Werner, MSc; Tyler Scullen, MD; Erin Biro, MD; Rodney B. Steiner, MD; Cuong J. Bui, MD; Hugo St. Hilaire (New Orleans, LA)

PEDIATRIC

1494. Spontaneous Regression of a Congenital Tectal Glioma

Alejandro Feria; Philipp Aldana (Truckee, CA)

PEDIATRIC

1495. Standardizing Post-Operative Care For Intradural Chiari Decompressions To Decrease Length Of Stay

David J. Mazur-Hart, MD; David Mazur-Hart, MD; Stephen Bowden, MD; Laurie Yablon; Wendy Domreis; Erika Ohm; Christina Sayama, MD, MPH (Portland, OR)

PEDIATRIC

1496. Stereoelectroencephalography-guided Epilepsy Surgery at Boston Children’s Hospital: A Condensed Two-Stage and Two Anesthetic Workflow

Elsa Arocho-Quinones, MD; Pranav Nanda, MD; Jeffrey Bolton, MD; Chellamani Harini, MD; Mark Libenson, MD; Melissa Tsuboyama, MD; Phillip Pearl, MD; Joseph Madsen, MD; Scellig Stone, MD (Boston, MA)

PEDIATRIC

1497. Syringomyelia Resolution following Chiari Surgery: A Novel Scale for Communication and Research

Jacques Jose Lara-Reyna; Jacques Lara-Reyna, MD; John Chae, BA; Umberto Tosi, BA; Mark Souweidane, MD; Rafael Uribe-Cardenas; Jeffrey Greenfield, MD, PhD (New York, NY)

PEDIATRIC

1499. The Craniosynostosis Puzzle: New Simulation Model for Neurosurgical Training

Nicollas Nunes Rabelo, MD; GISELE COELHO; Nicollas Rabelo; Lina Adani; Dario Cecilio-Fernandes; Fabiano Carvalho; Fernando Pinto; Nelci Zanon; Manoel Teixeira; Eberval Figueiredo (Ribeirao Preto, Brazil)

PEDIATRIC

1500. The Role of Rehabilitation After Pediatric Epilepsy Surgery for Refractory Epilepsy

Eric A. Goethe; Melissa LoPresti, MD; Christian Niedzwecki, DO; Sandi Lam, MD, MBA (Seabrook, TX)

PEDIATRIC

1501. The Wandering Intraventricular Cyst Causing Hydrocephalus

Michael G. Kim, MD; Brianna Theriault, PhD; Anubhav Amin, MD; Avinash Mohan, MD; Michael Tobias, MD (Valhalla, NY)

PEDIATRIC

1502. U.S. Regional Differences in The Incidence Rates of Both Malignant and Benign Pediatric Central Nervous Tumors

Christopher R. Banerjee, MD; Dayton Grogan; Vamsi Reddy; Ian Heger (Augusta, GA)

PEDIATRIC

1503. Utility of Intracranial Pressure Monitoring in Pediatric Hydrocephalus

Ramin Eskandari, MD, FAANS ; J. Vasas, BS; Thomas Larrew, MD (Mount Pleasant, SC)

PERIPHERAL_NERVE

1506. Changes in Resting State fMRI and Corpus Callosal Volume Following Adult Brachial Plexus Injuries

Vikram Singh; Bhagavatula Devi; Dhananjaya Bhat; Divesh Thaploo (Bengaluru, India)

PERIPHERAL_NERVE

1507. Comparative Anatomy of the Brachial Plexus: Swine vs Human

Amgad Saddik Hanna, MD, FAANS; Daniel Hellenbrand; Burak Ozaydin; Dominic Schomberg; DHANANSAYAN SHANMUGANAYAGAM (Madison, WI)

PERIPHERAL_NERVE

1508. Efficacy of supraclavicular anterior scalenotomy and brachial plexus neurolysis without ribresection for post-traumatic neurogenic thoracic outlet syndrome

Tetsuya Yoshizumi; Hiroshi Kanno; Masamichi Shinonaga (Atami city, Japan)

PERIPHERAL_NERVE

1509. Ergonomics-Based Positioning of the Operating Handle of Surgical Microscopes

Satoru Shimizu, MD (Sagamihara, Japan)

PERIPHERAL_NERVE

1510. Hypoglossal To Facial Nerve Transfer For The Treatment Of Facial Palsy

baher medhat labib hanna; baher hanna, MD (forth, )

PERIPHERAL_NERVE

1511. Intraoperative Neuromonitoring Facilitates Safe Fascicle Sparing Capsular Resection of Atypical Neurofibromas in NF1

Charlie N. Nelson; Eva Dombi; Jared Rosenblum; Markku Miettinen; Tanya Lehky; Patricia Whitcomb; Christina Hayes; Gretchen Scott; Prashant Chittiboina; Sarah Benzo; Brigitte Widemann (New Albany, OH)

PERIPHERAL_NERVE

1512. Lower Cranial Nerve Syndromes: A Review

Tyler Warner; Santiago Gutierrez; Aaron Dumont; Shane Tubbs; Joe Iwanaga (Miramar, FL)

PERIPHERAL_NERVE

1513. Neurosurgical Consultation Decreases Risk of Percutaneous Biopsy for Peripheral Nerve Tumors

Courtney Pendleton, MD; Robert Spinner (Philadelphia, PA)

PERIPHERAL_NERVE

1514. Nicolau Syndrome—A Masquerader Of Post Injection Sciatic Nerve Injury

Bharath Raju; Fareed Jumah, MD; Anil Nanda (Bangalore, India)

PERIPHERAL_NERVE

1515. The posterior tibial nerve neuropathy: Possible mechanism of traction due to the foot skeletal structures

Yasuhiro Chiba, MD; Izumi Koyanagi (Sapporo, Japan)

SOCIOECO

1517. 1-Year Cost Avoidance Model of a Retrograde Flushing System for Ventricular Catheters in Pediatric Hydrocephalus Patients

Ramin Eskandari, MD, FAANS ; Tim Kofol; Rebecca Noble, BS; Kelsey Hirsch, BS (Mount Pleasant, SC)

SOCIOECO

1518. : Novel-Case Learning Environment for Surgical Education

Amit Rahul Latchme Persad, MD; Julia Radic, MD; Regan Brownbridge, BSc (Saskatoon, Canada)

SOCIOECO

1519. A Characterization of Moyamoya Syndrome in North American Hispanic and African American Populations

Anadjeet Singh Khahera, BS; Justin Lee Sim, BA; Cory Chang, BS; Isabella Romano, BS; Brandon Christophe, BS; E. Connolly, MD (New York, NY)

SOCIOECO

1520. A Comparative Assessment of Efforts for Operating Room Sustainability across Different Specialties and Opportunities for Improvement in Neurosurgery

Lily H. Kim; Ann-Christine Duhaime, MD (Mountain View, CA)

SOCIOECO

1521. A Comparison Between Objective and Publicly Rated Pediatric Neurosurgeon Online Physician Ratings

Aditya Ravindra; Julian Lin, MD; Simon Park (Peoria, IL)

SOCIOECO

1522. A Cost Utility Analysis of Treating Different Adult Spinal Deformity Frailty States

Peter Gust Passias; Avery Brown, BS; Katherine Pierce, BS; Cole Bortz, BA; Haddy Alas, BS; Brooke O'Connell, MS; Hamid Hassanzedah, MD; Lawal Labaran; Sara Naessig, BS; Themistocles Protopsaltis, MD (Brooklyn Heights, NY)

SOCIOECO

1523. A Foldoscope: Scope in Neurosurgery - A Feasibility Study

Raman Bhavana, MS MCh; T Vinay bhushanam (Visakhapatnam, India)

SOCIOECO

1524. A Global Analysis Of Scholarship Requirements During Neurosurgical Training And National Research Productivity

Michael Rallo; Omar Ashraf, BA; Fareed Jumah, MD; Gaurav Gupta, MD; Anil Nanda, MD, MPH (Chester, NY)

SOCIOECO

1525. A Novel Mobile Application To Revolutionize Preparing For The Neurosurgical Board Exams

Vamsi Reddy; Christopher Banerjee, MD, MPH; Jennifer Rosamond, BS; Nathan Todnem, MD (Augusta, GA)

SOCIOECO

1526. A Standardized Approach To Adverse Events Associated With Elective Cranial And Spinal Neurosurgical Procedures: An Institutional Experience

Fadi Al-Saiegh, MD; Jacob Mazza, BS; Karim Hafazalla, BS; Christopher Farrell, MD; James Evans, MD; James Harrop, MD; M. Gooch, MD; Ashwini Sharan, MD (Philadelphia, PA)

SOCIOECO

1527. A Study Of Race And Socioeconomic Status Impacting Therapeutic Clinical Trial Screening And Enrollment In Adult Gliomas Patients

Ramin A. Morshed, MD; Ramin Morshed; Sheantel Reihl; Sofia Kakaizada; Annette Molinaro; Jacob Young; Jennifer Clarke; Nicholar Butowski; Jennie Taylor; Nancy Ann Bush; Mitchel Berger; Shawn Hervey-Jumper (San Francisco, CA)

SOCIOECO

1528. Academic Productivity of Neurosurgeons in Europe.

Adomas Bunevicius, MD; Inesa Buneviciene, PhD

SOCIOECO

1529. Access to Neurosurgery in the Era of Narrowing Insurance Networks - Results From Statewide Analysis of Marketplace Plans in Arizona, USA

Subodh Potla; Tyler Cole, MD; Luis Tumialán (Plano, TX)

SOCIOECO

1530. Adult Spinal Deformity Patients with Metabolic Syndrome Have Significantly Higher Surgery Costs

Peter Gust Passias; Peter Passias, MD; Avery Brown, BS; Katherine Pierce, BS; Cole Bortz, BA; Haddy Alas, BS; Sara Naessig, BS; Waleed Ahmad, MS; Shaleen Vira, MD; Hamid Hassanzadeh, MD; Lawal labar, MD; Michael Gerling, MD (Brooklyn Heights, NY)

SOCIOECO

1531. An Analysis of Formal Global Neurosurgery Education within North American Residency Programs

Myron Rolle, MD; Mark Zaki, BS; Connor Berger, BS; Harrison Knowlton; Vanessa Kerry; Nahed Brian (Boston, MA)

SOCIOECO

1532. An Analysis of Physician Gender within Neurosurgical Practice

Kent Richter; Jordan Pollock, BS; Jack Haglin, BS; Reed Richter, BS; Pelagia Kouloumberis, MD (Mesa, AZ)

SOCIOECO

1533. Assessing for Disparity of 90-Day Brain Tumor Resection Outcomes as Impacted by Race

Neil R. Malhotra, MD, FAANS; Debanjan Haldar, BS; Gregory Glauser, BS; Eric Winter, BS; Stephen Goodrich, BS; Kaitlyn Schultz, BS; Scott McClintock, PhD (Philadelphia, PA)

SOCIOECO

1534. Assessment of the NIH-Supported Relative Citation Ratio as a Measure of Research Productivity among 1687 Academic Neurological Surgeons

Nitin Agarwal, MD; Vamsi Reddy, BS; Arjun Gupta; Michael White, BS; Raghav Gupta, BS; Prateek Agarwal; Arpan Prabhu, MD; Yue-Fang Chang, PhD (Pittsburgh, PA)

SOCIOECO

1535. Association of Gender with Financial Relationships Between Industry and Academic  Neurosurgeons 

Nicole Silva; Samantha Cerasiello, MBS; Rosemary Hansen, MA, MPH; James Liu, MD; Jean Eloy, MD (Newark, NJ)

SOCIOECO

1536. Basilar Skull Fracture Etiologies And Complications: An Epidemiological Analysis Of Socioeconomic Disparities

Ryan Chiu; Angelica Fuentes, BS; Abhishek Sethi, BS; Laura McGuire, MD; Mandana Behbahani, MD; Ankit Mehta, MD (Grayslake, IL)

SOCIOECO

1538. Can Yoga Cause Brain Tumor? An Interesting Review By Yogic Expert Neurosurgeon

Mayur Vinaykumar Kaku (Bangalore, India)

SOCIOECO

1539. Cohesion Between Literature and Systemic Efforts to Address Global Neurosurgical Inequity: a Scoping Review

Edward Ham; Saksham Gupta, MD; Jeongyoon Kim; Kee Park, MD, MPH (Roslyn, NY)

SOCIOECO

1540. Comparison of Provider Initiated Patient Satisfaction Reporting with Online Reporting Websites for Neurosurgeons in the United States

Teddy Earl Kim, MD; Wesley Hsu, MD (Winston Salem, NC)

SOCIOECO

1541. Competence by Design in Canadian Neurosurgical Residency Programs: The Beginning

Magalie Cadieux; Jay Riva-Cambrin, MD; Roy Phitayakorn, MD (Calgary, Canada)

SOCIOECO

1542. Competency-Based Resident Evaluations: Neurosurgical Faculty Perspectives On Design And Feasibility

Jessica Rabski, MD; Michael Cusimano (Ottawa, Canada)

SOCIOECO

1543. Contributions to the Neurosurgery Political Action Committee (NeurosurgeryPAC): A Historical Perspective

Nitin Agarwal, MD; Prateek Agarwal; Tavis Taylor, BA; Adrienne Mortimer, BA; Jason Stacy, MD; Mark Spatola, MD; Catherine Mazzola, MD; Katie Orrico; Robert Heary, MD (Pittsburgh, PA)

SOCIOECO

1545. Critical Assessment Of Various Neurosurgery Training Centers Of Pakistan – A Developing Country Analysis

Wahaj Ahmed Mughal, MBBS; Farrukh Javed, MBBS (Karachi Sindh, Pakistan)

SOCIOECO

1549. Depression and Health Care utilization among Patients undergoing Spine Fusion Surgeries: Analysis from Market Scan Database

Mayur Sharma, MD, MBBS; Beatrice Ugiliweneza; Dengzhi Wang, MS; Shawn Adams, MD; Nicolas Khattar, MD; Nicholas Dietz, BS; Maxwell Boakye (Louisville, KY)

SOCIOECO

1550. Differences in Cost by Geographic Region in the United States for Clipping Versus Coiling of Unruptured Aneurysms: A Nationwide Inpatient Sample Database Study

Shane Shahrestani; Xiao Chen, BA; Shane Shahrestani, MS; Alexander Ballatori, BA; Andy Ton, BS; Andrew Chan, MD; William Mack, MD; Gabriel Zada, MD, MS (Yorba Linda, CA)

SOCIOECO

1551. Disparities in Symptomatic Presentation of Moyamoya Disease in the United States: A Nationwide All-Payer Analysis.

Angie Fuentes; Ryan Chiu, BS; Ankit Mehta, MD (Chicago, IL)

SOCIOECO

1552. Disparity in Cancer Treatment: Delay in Time from Surgery to Adjuvant Radiotherapy in Incarcerated Patients

Khanh Luong; Avinash Chandran, PhD; Colette Shen, MD, PhD; Brice Kessler, MD; Carolyn Quinsey (Chapel Hill, NC)

SOCIOECO

1553. Does Comparing Physicians’ Performance to the National Average in an Academic Institution Incentivize them for Increased Productivity?

Samer Zammar, MD; Robert Harbaugh, MD; Elias Rizk, MD (Hershey, PA)

SOCIOECO

1555. Economics of the Treatment of Spinal Chordoma and Chondrosarcoma and the Feasibility of Using the Bundled Payment Model.

Zaid Aljuboori, MD; Beatrice Ugiliweneza, PhD; Norberto Andaluz, MD; Maxwell Boakye; Brian Williams, MD (Louisville, KY)

SOCIOECO

1556. Educational Program Rankings are Independently Associated with Neurosurgery Residents’ Academic Career Choice

Debraj Mukherjee, MD; Adham Khalafallah, MD; Adrian Jimenez, BS; Ali Bydon, MD; Alan Cohen, MD; Rafael Tamargo, MD; Timothy Witham, MD; Judy Huang, MD; Henry Brem, MD (Baltimore, MD)

SOCIOECO

1557. Effect of State Bill 273 Opioid Prescribing Limits in West Virginia

Cara L. Sedney, MD, FAANS ; Treah Haggerty, MD, MS; Patricia Dekeseredy, RN; Nathan Wood, MPH (Morgantown, WV)

SOCIOECO

1558. Efficacy of Topical Vancomycin for Reducing Surgical Site Infections Following Craniotomy

Kashif Ahmed Mughal, MBBS; Wahaj Ahmed; Irfan afzal; Lal Rehman (Karachi, Pakistan)

SOCIOECO

1559. Elucidating the Opaque Costs of Aneurysmal rupture: A Pilot Cost of Illness Prospective Study

Nicki Mohamadi; Natalia Romano Spica, MS; Kurt Yaeger, MD; Deeksha Chada, MPH; Alexander Schupper, MD; Dominic Nistal, BA; Alexandra Reynolds, MD; Cappi Lay, MD; J Mocco, MD, MS; Neha Dangayach, MD; Christopher Kellner, MD (New York, NY)

SOCIOECO

1560. Evaluating NRMP Residency Program Director Surveys to Compare Neurosurgery to Other Competitive Specialties in the Match

Phillip A. Bonney, MD; Saman Sizdahkhani, MD; Alexandra Kammen, MD; Vance Fredrickson, MD; Tatsuhiro Fujii, MD; Shivani Rangwala, MD; Frank Attenello, MD (Los Angeles, CA)

SOCIOECO

1561. Evolution of the Neurosurgical Workforce in Low- and Middle Income Countries from 2016 to 2018

Ulrick Sidney Kanmounye; Kathrin Zimmerman, BSc; Jean Wilguens Lartigue; Jacquelyn Corley, MD; Kee Park, MD, MPH (Malden, MA)

SOCIOECO

1562. Factors In Residency Decision Making For Female Neurosurgery Applicants

Sarah McNutt; Madison Goss; David Hallan; Jesse Bible (Hershey, PA)

SOCIOECO

1563. Focused Ultrasound, Collaboration and the Tools of Disruptive Surgical and Medical Innovation

Isaac Jonathan Pomeraniec, MD; Neal Kassell, MD, PhD (Bethesda, MD)

SOCIOECO

1564. Foreign Medical Graduates: An Integral Component of American Neurosurgery

Adham M. Khalafallah; Adrian Jimenez, BS; Debraj Mukherjee (Baltimore, MD)

SOCIOECO

1565. Gender Differences in Self-Perception of Surgical Competence Relative to Faculty Feedback

Alexander Daniel Suarez, MD; Theresa Williamson, MD; Andrew Cutler, MD; Charis Spears; Sarah Hodges; Lefko Charalambous; Rajeev Dharmapurikar; Shivinand Lad; Michael Haglund (Durham, NC)

SOCIOECO

1566. Gender Disparities in Academic Neurosurgery Publications: An Analysis of Two Journals Over 25 Years

Courtney Pendleton, MD; Patricia Zadnik; Steve Cho; Sonia Ajmera; Jack Jallo, MD, PhD (Philadelphia, PA)

SOCIOECO

1567. Gender Diversity in US Neurosurgery Training Programs

Katherine E. Callahan; Katelyn Donaldson, MD; Michael White; Aaron Gelinne; Jayne Manigrasso; Wyll Everett; Lola Chambless; Elizabeth Ames, MD; Susan Durham (Norwich, VT)

SOCIOECO

1568. Geographic Variability in Neurosurgeon Reimbursement for Common Neurosurgical Procedures 2000-2019

Kent Richter; Jordan Pollock, BS; Jack Haglin, BS; Jakub Godzik, MD; Naresh Patel, MD (Mesa, AZ)

SOCIOECO

1569. Handmade 3-Dimentional Models in Neurosurgery: Potential in Training and Surgical Planning

Jigish Ruparelia; Deepak Jha, MCh; Jaskaran Gosal, MCh; Mayank Garg, MCh; Suryarayanan Bhaskar, MCh (Jodhpur, India)

SOCIOECO

1570. Health economical research for cell therapy against ischemic stroke

Hideo Shichinohe, MD, IFAANS; Masahito Kawabori, MD, PhD (Sapporo, Japan)

SOCIOECO

1571. Healthcare Utilization in Patients Undergoing Repeat Stereotactic Radiosurgery for Vestibular Schwannoma with 5-year follow-up: A National Database Analysis

Mayur Sharma, MD, MBBS; Nicholas Dietz, MD; Beatrice Ugiliweneza; Dengzhi Wang, MS; Maxwell Boakye; Brian Williams, MD; Norberto Andaluz, MD (Louisville, KY)

SOCIOECO

1572. How Safe are Elective Craniotomies for Elderly Patients in the Modern Era of Neurosurgery? A Prospective Cohort Study of 1452 Consecutive Cases

Ralph Thomas Schar, MD; Shpend Tashi; Mattia Branca, MSc; Nicole Söll; Debora Cipriani, MD; Christa Schwarz, MD; Jürgen Beck, MD; Werner Z'Graggen, MD; Andreas Raabe, MD (Bern, Switzerland)

SOCIOECO

1573. How We Stopped Writing Progress Notes: Integration of Documentation and Patient Care in the EMR Age

Rachel Joy Hunt, MD; Mohamed Macki, MD; Travis Hamilton, MD; Thomas Zervos, MD; Jack Rock, MD (Detroit, MI)

SOCIOECO

1574. How to Build a Customizable and Affordable Augmented Reality Platform

Rachel Elizabeth Blue, MD; Michael Spadola, MD; Vivek Buch, MD; Karthik Madhavan, MD; Anissa Saylany, BA; Nikhil Sharma, MS; Isaac Chen, MD; Michael Steinmetz, MD; Neil Malhotra, MD; Jang Yoon, MD, MSc (Philadelphia, PA)

SOCIOECO

1575. Hybrid OR: A Collaborative Multi-disciplinary Approach from Conception to Execution

JoDee Winter, PA-C MSPAS; JoDee Winter; Nora Schaefer, BSN; Lynda Christel, MBA (Cave Creek, AZ)

SOCIOECO

1576. Impact Of Master's Degree Attainment Upon Academic Career Placement In Neurosurgery

Adrian Jimenez; Adham Khalafallah, MD; Rafael Tamargo, MD; Tim Witham, MD; Judy Huang, MD; Henry Brem, MD; Debraj Mukherjee, MD, MPH (Baltimore, VA)

SOCIOECO

1577. Impact of AANS Medical Student Chapters on Participation in Organized Neurosurgery, Research Productivity, and Residency Match Success

Prateek Agarwal; Adham Khalafallah, MD; Eliza Hersh, BA; Michael Ivan, MD; Debraj Mukherjee, MD, MPH (Philadelphia, PA)

SOCIOECO

1578. Impact of Medicaid Insurance on Outcomes Following Endoscopic Transsphenoidal Pituitary Surgery

Iyan Younus; Theodore Schwartz, MD; Rohan Ramakrishna, MD (New York, NY)

SOCIOECO

1579. Impact of Multiple 'Learners' in a Neurosurgical Operating Room

Anand Indulal Rughani, MD, FAANS; Natalie Grant, BS; Jeffrey Florman, MD (Cape Elizabeth, ME)

SOCIOECO

1580. Independent Patient Risk Factors Associated with 30- and 90- Day Readmission after Ventriculo-Peritoneal Shunt Placement for Idiopathic Normal Pressure Hydrocephalus in Elderly Patients (≥ 65 years old)

Aladine Abdalla Elsamadicy, BE, MD; Andrew Koo, BS; Aladine Elsamadicy, MD; Wyatt David, MS; Adam Kundishora, MD; Nanthiya Sujijantarat, MD; Branden Cord, MD, PhD; Ryan Hebert, MD; Farhad Bahrassa, MD; Ajay Malhotra, MD; Kristopher Kahle, MD, PhD; Charles Matouk, MD (New Haven, CT)

SOCIOECO

1581. Is Access to Outpatient Neurosurgery Affected by Narrow Insurance Networks? Results from Statewide Analysis of Marketplace Plans in New Jersey

Fareed Jumah; Fareed Jumah, MD; Tania Atanassova, MS; Bharath Raju, MD, MCh; Mike Rallo, BS; Vinayak Narayan, MD, MCh; Anil Nanda (Piscataway, NJ)

SOCIOECO

1582. Is Patient Insurance Coverage Associated with Readmission Following Craniotomy for Benign Meningioma?

Blake Marie Hauser; Saksham Gupta, MD; Edward Xu, BA; Kyle Wu, MD; Joshua Bernstock, MD, PhD; Ayaz Khawaja, MD; Regan Bergmark, MD; Wenya Bi, MD, PhD (Boston, MA)

SOCIOECO

1583. Locum Tenens Neurosurgery: A Nationwide All-Payer Appraisal Of Patient Outcomes, Complications And Cost of Care

Ryan Chiu; Syed Khalid, MD; Ravi Nunna, MD; Neha Siddiqui, MS; Ankit Mehta (Grayslake, IL)

SOCIOECO

1584. MIPS for Intracerebral Hemorrhage Decreases Length of ICU Stay Without Alteration in Overall Cost

Kendrick Johnson, MD; Kendrick Johnson, MD; Joel Buishas; Tsung Andrew, MD (Peoria, IL)

SOCIOECO

1585. Mindfulness and Neurosurgery

Brian Saway; Francis Dane, PhD; Laurie Seidel; Gary Simonds, MD; Terri-Ann Wattsman, MD (Roanoke, VA)

SOCIOECO

1586. National Trends and Factors Predicting Outcomes Following Laser Interstitial Thermal Therapy (LITT) for Brain Lesions: A Nationwide Inpatient Sample Analysis

Mayur Sharma, MD, MBBS; Beatrice Ugiliweneza; Dengzhi Wang, MS; Maxwell Boakye; Norberto Andaluz, MD; Joseph Neimat, MD; Alireza Mohammadi, MD; Gene Barnett; Brian Williams, MD (Louisville, KY)

SOCIOECO

1587. Novel Technique for Repair of Large and Persistent Anterior Skull Base Defect

Mohammad Kaif; Mazhar Husain; Deepak Singh; Kuldeep Yadav; Rakesh Singh (Lucknow, India)

SOCIOECO

1589. Perceptions of Artificial Intelligence in Neurosurgery: A Cross-Sectional Survey of Patients and their Relatives.

Paolo Palmisciano; Aimun Jamjoom; Danail Stoyanov, PhD; Daniel Taylor; Hani Marcus (Caltagirone, Italy)

SOCIOECO

1590. Perspectives On Ethical Concerns Surrounding AI And Healthcare

Ami Baba; Melissa McCradden, PhD; Ashirbani Saha; Sidra Ahmad; Kanwar Boparai; Pantea Fadaiefard; Michael Cusimano (Toronto, Canada)

SOCIOECO

1591. Political Contributions of Self Identifying Neurological Surgeons Within the United States From 2003-2018

Kent Richter; Jordan Pollock, BS; Jack Haglin, BS; Reed Richter, BS; Fredric Meyer, MD; H Batjer, MD; Regis Haid, MD; Bernard Bendok, MD (Mesa, AZ)

SOCIOECO

1592. Positive Therapeutic Effects of Intercessory Prayer after Successful Separation of Conjoined Craniopagus Twins – A Case Report

Al Amin Salek, MBBS, FCPS, MRCS; Stephan Hudak; Shafiq Islam; Aminul Islam; Andras Csokay (Dhaka, Bangladesh)

SOCIOECO

1594. Predicting Socioeconomic Outcomes In Brain Tumor Patients With A 5-Factor Modified Frailty Index

Sakibul Huq; Adham Khalafallah, MD; Debraj Mukherjee, MD, MPH (Baltimore, MD)

SOCIOECO

1595. Predictors Of Google Search Rankings For Spine Surgeons: An Analysis Of Academic Pedigree, Social Media Presence And Patient Ratings

Ryan Chiu; Rown Parola, MS; Ankita Nallani, BS; Georgia Glastris, MS; Neha Siddiqui, MS; Abdullah Bheri, BS; Miloni Shah; Mandana Behbahani, MD; Ankit Mehta (Grayslake, IL)

SOCIOECO

1596. Readability Of Online Neuro-oncology Related Patient Education Materials From Tertiary Care Academic Centers

Caleb Edwards; Simon Ammanuel, BS; Rasheed Alhadi, BS; Shawn Hervey-Jumper, MD (San Francisco, CA)

SOCIOECO

1597. Recruiting Medical Students To Neurosurgery Through A Focused Neuroanatomy Lab Initiative

Sakibul Huq; Adham Khalafallah; Wataru Ishida; Jose Porras; Ryan Lee; Jordina Rincon-Torroella; Teresa Wojtasiewicz; Risheng Xu; Alan Cohen; Debraj Mukherjee (Baltimore, MD)

SOCIOECO

1598. Regional Cost Differences Associated with Microscopic Resection of Supratentorial Intraparenchymal Malignant Neoplasms

Shane Shahrestani; Andy Ton, BS; Shane Shahrestani, MS; Alexander Ballatori, BA; Xiao Chen, BA; Andrew Chan, MD; Gabriel Zada, MD, MS (Yorba Linda, CA)

SOCIOECO

1599. Simulation Modalities and Outcome Measures in Neurosurgical Training

Timothy O'Connor, MD; Jennifer Mao, MBA; Mary O'Hehir, BS; John Koenig, BS; Stanley Harcharan, BS; Arthur Gribachov, BS; Jeffrey Mullin; John Pollina (Buffalo, NY)

SOCIOECO

1600. Socio-Economic Status Impact on Long-term Mortality after Aneurysmal Subarachnoid Hemorrhage

Santiago Rene Unda; Kevin Labagnara; Jessie Birnbaum; Megan Wong; David Altschul, MD (New York, NY)

SOCIOECO

1601. Socioeconomic Factors Influencing 30-Day and 90-Day Readmission Among Patients Undergoing Anterior Cervical Discectomy and Fusion: An Analysis Using the Nationwide Readmissions Database

Rosemary Behmer Hansen; Blake Taylor, MD; Patrick Hilden; John Gillick (Jersey City, NJ)

SOCIOECO

1602. Surgery For Intracranial Tuberculomas – An Instituitional Experience Of 68 Patients

VENKAT KOYALMANTHAM; Ramesh Vemula, MCh; Prasad BCM; Goutham Hanu, MS (Tirupati, India)

SOCIOECO

1603. Systematic Review of Cost-Effectiveness Analyses in US Spine Literature

Diana Chang; Corinna Zygourakis, MD; Harsh Wadhwa; James Kahn, MD (San Marino, CA)

SOCIOECO

1604. Telemedicine Use in Neurosurgery Patients

Christian G. Zimmerman, MD, FAANS, FACS; Mackenzie Malach, BS; Ariana Garabedian, BS (Boise, ID)

SOCIOECO

1605. The Aging Surgeon

Gene Emery Bolles, MD, FAANS(L) (Boulder, CO)

SOCIOECO

1606. The Current Landscape of International Medical Graduates In United States Neurosurgical Residency Programs

Kristen M. Scheitler, MD; Victor Lu, MD, PhD; Lucas Carlstrom, MD, PhD; Christopher Graffeo, MD, MS; Avital Perry, MD; Fredric Meyer, MD (Rochester, MN)

SOCIOECO

1607. The Effect of Gender Diversity in US Neurosurgery Training Programs on Resident Attrition Rates

Katherine E. Callahan; Katherine Callahan, BA; Michael White, MD; Katelyn Donaldson, MD; Lola Chambless, MD; Susan Durham (Norwich, VT)

SOCIOECO

1609. The Impact of African-trained Neurosurgeons on Sub-Saharan Africa.

Claire Karekezi, MD; Isabelle Germano; Abdeslam El Khamlichi, MD; Abdessamad El Ouahabi, MD; Najia El Abbadi, MD; Franco Servadei (Kicukiro District, Rwanda)

SOCIOECO

1610. The Impact of Race on Short-Term Pituitary Tumor Resection Outcomes

Neil R. Malhotra, MD, FAANS; Debanjan Haldar, BS; Gregory Glauser, BS; Eric Winter, BS; Ryan Dimentberg, BS; Jang Yoon, MD, MSc; Stephen Goodrich, BS; Kaitlyn Schultz, BS; Scott McClintock, PhD; M. Sean Grady, MD (Philadelphia, PA)

SOCIOECO

1611. The Opinion of Canadian Spine Surgeons on Medical Assistance in Dying (MAID); a Cross- Sectional Survey of Canadian Spine Society (CSS) Members

Erika D. Leck, MD; Sean Barry, MD; Sean Christie, MD (Halifax, Canada)

SOCIOECO

1613. The WFNS Young Neurosurgeons Survey (Part I) : Demographics, Resources and Education

Sujit Gnanakumar; Faith Robertson; Bilal Abou El Ela Bourquin; Ignatius Esene; Claire Karekezi; Kerry Vaughan; David Adelson; Franco Servadei; Amro Al Habib; Angelos Kolias; Young Neurosurgeons Forum WFNS (London, United Kingdom)

SOCIOECO

1614. Theoretical Underpinnings And Shortcomings Of Competence By Design Neurosurgical Education

Jessica Rabski, MD; Michael Cusimano (Ottawa, Canada)

SOCIOECO

1616. Training Neurosurgeons in Southeast Asia: The Resident Perspective

Jacob Richard Lepard, MD; Jacquelyn Corley, MD; Eric Sankey, MD; Tyler Prentiss, MD; Brandon Rocque, MD; Kee Park, MD; Jack Rock, MD; Kyi Hlaing, MD; Win Myaing, MD (Birmingham, AL)

SOCIOECO

1617. Transport of Patients with Complex Neurosurgical Disorders to the US for Collaborative Multidisciplinary Treatment

Eric S. Nussbaum, MD, FAANS, FACS; patrick graupman; martin lacey; andrew harrison; penelope nussbaum; jodi lowary; leslie nussbaum (Minneapolis, MN)

SOCIOECO

1618. Trends In Medicare Procedure Utilization Within Neurosurgery 2010-2018

Jordan R Pollock; Jack Haglin, BS; Kent Richter, BS; Jakub Godzik, MD; Naresh Patel, MD (Scottsdale, AZ)

SOCIOECO

1619. Trends In Socioeconomic Publications For Spinal Fusion: A Systematic Literature Review

Andrew J. Caras; Oluwasegun Emenogu, BS; Azedine Medhkour, MD (Toledo, OH)

SOCIOECO

1620. Trends In​ ​Neurological Surgery Practice Size From 2014-2019

Rohin Singh; Jordan Pollock, BS; Kent Richter, BS; Jack Haglin; Naresh Patel (Phoenix, AZ)

SOCIOECO

1621. Trends in Neurosurgery Residency Applicant Data from National Resident Matching Program Reports

Phillip A. Bonney, MD; Tatsuhiro Fujii, MD; Alexandra Kammen, MD; Saman Sizdahkhani, MD; Vance Fredrickson, MD; Shivani Rangwala, MD; Frank Attenello, MD (Los Angeles, CA)

SOCIOECO

1622. Trends in US Neurosurgery Residency Education and Training Over the 2009-2019 Decade

Kurt Yaeger, MD; Stephan Munich, MD; Richard Byrne, MD; Isabelle Germano, MD, MBA (New York, NY)

SOCIOECO

1623. Uncovering the Stroke Narrative: A Review of Qualitative Studies and First Person Accounts

Natalia Romano Spica; Nicki Mohammadi, BA; Julianne Kleitsch, BA; Dominic Nistal, BS; Jamie Rumsey, NP; Alexandra Reynolds, MD; Cappi Lay, MD; Michael Levitt, MD; J Mocco, MD, MS; Christopher Carroll, MD, MS; Neha Dangayach, MD, MSCR; Christopher Kellner, MD (New York, NY)

SOCIOECO

1625. Use of Immediate Postanesthesia Care Unit Radiographs after Anterior Cervical Discectomy and Fusion: A Retrospective Review of 815 Cases at a Single Institution

Jennifer Z. Mao, MBA; Asham Khan, MD; Jennifer Mao, MBA; joshua Meyers, MD; Paul Blasio, BS; Timothy O'Connor, MD; Justice Agyei; Evan Winograd, MD; Kenneth Snyder, MD, PhD; Jeffrey Mullin; Elad Levy, MD, MBA; John Pollina, MD (Buffalo, NY)

SOCIOECO

1626. Utility Of Outpatient Follow-Up MRI/A In Patients With Spontaneous Intracerebral Hemorrhage

Fadi Al-Saiegh, MD; Nikolaos Mouchtouris, MD; Nohra Chalouhi, MD; Daniella Wong; Julie Kim; Jacob Mazza; Karim Hafazalla; Stavropoula Tjoumakaris, MD; Robert Rosenwasser, MD; Pascal Jabbour, MD (Philadelphia, PA)

SOCIOECO

1627. Video Recording of Clinical Visits Improves the Patient Experience and HCAHPS Scores

Malika Bhargava; Komal Naeem, MD; Randall Porter, MD (Scottsdale, AZ)

SOCIOECO

1628. Virtual Reality In Neurosurgical Education: Modernizing The Medical Classroom

Karam Atli; Warren Selman, MD; Abhishek Ray, MD (Cleveland, OH)

SPINE

1629. 12-Month Interim Clinical Outcomes Following Cervical Fusion With ViBone® Viable Bone Matrix: ViBone In Cervical & Lumbar Spine Fusion Study

Paul D Kim; Ramin Raiszadeh, MD (San Diego, CA)

SPINE

1630. 3D-Printed Anatomical Modeling for Surgical Planning, Real-time Operative Guidance, and Patient Education in Complex Primary Spine Tumors

Owen Leary; Joseph Crozier, MA; David Liu; Tianyi Niu, MD; Joaquin Camara-Quintana, MD; Konstantina Svokos; Adetokunbo Oyelese; Albert Woo, MD; Ziya Gokaslan; Jared Fridley, MD (Providence, RI)

SPINE

1631. 90-day Readmissions and ED Visits After ALIF in Patients with a History of Prior Abdominal Surgery

Arbaz Momin; Edward Barksdale, BS; Zaeem Lone, BA; Jacob Enders, BS; Michael Steinmetz, MD (Cleveland, OH)

SPINE

1632. A Biologically-Inspired 3D-printed Titanium-Alloy Interbody Spacer Demonstrates Osseointegration in an Ovine Lumbar Interbody Fusion Model

Margaret Van Horn; Roland Beard, MS; Bryan Cunningham, PhD; Brandon Bucklen, PhD (Audubon, PA)

SPINE

1633. A Comparative Analysis of Patients Undergoing Fusion for Adult Cervical Deformity by Approach Type

Kunal Varshneya; Zachary Medress, MD; Martin Stienen, MD; Jay Nathan, MD; Allen Ho, MD; Arjun Pendharkar, MD; Sheri Loo, PA; Jessica Aikin, NP; Gordon Li, MD; Atman Desai, MD; John Ratliff; Anand Veeravagu, MD (San Jose, CA)

SPINE

1634. A Comparison of Rod Fracture Rates in Long Deformity Constructs After Transforaminal versus Anterior Lumbar Interbody Fusions: A Single Institutional Analysis

Owoicho Adogwa, MD, MPH; Owoicho Adogwa; Jacob Buchowski, MD; Lawrence Lenke, MD; Maksim Shlykov, MD; Mostafa El Dafrawy, MD; Thamrong Lertudomphonwanit, MD; Mitchel Obey, MD; Jonathan Koscso, MD; Munish Gupta, MD; Keith Bridwell, MD (St. Louis, MO)

SPINE

1635. A Computational Model Analyzing Morphology of Sub-Axial Cervical Vertebrae for Pedicle Screw Placement

Andre Wakim; Udaya Kakarla, MD; Jay Turner, MD, PhD; Michael Bohl, MD (Phoenix, AZ)

SPINE

1637. A Midline Posterior Approach for Treatment of Os Odontoideum via Atlantoaxial Reduction, Bone Graft Fusion, and Internal Fixation

Lei Zhao, MD; Peng Wang; Weixin Li, MD, PhD (Xi'an, China)

SPINE

1638. A Multidisciplinary Spine Surgical Indications Conference Leads to Alterations in Surgical Plans in a Significant Number of Cases

Joshua Benton; Rafael De la Garza Ramos, MD; Yaroslav Gelfand, MD; Phillip Cezayirli, MD; Murray Echt, MD; Reza Yassari, MD; Vijay Yanamadala, MD (Bronx, NY)

SPINE

1640. A Novel Method to Classify Patients with Cervical Incomplete SCI based on Potential for Recovery: A Group-Based Trajectory Analysis using Prospective, Multicenter Data from over 800 Patients

Jetan Badhiwala, MD; Jefferson Wilson, MD, PhD; Michael Fehlings, MD, PhD (Toronto, Canada)

SPINE

1641. A Predictive Model of Perioperative Myocardial Infarction in Spine Surgery

Peter Gust Passias; Katherine Pierce; Cheongeun Oh, PhD; Haddy Alas, BS; Cole Bortz, BA; Avery Brown, BS; Waleed Ahmad, MS; Sara Naessig, BS; Erik Wang, BS; Shaleen Vira, MD; M. Burhan Janjua, MD; Bassel Diebo, MD (Brooklyn Heights, NY)

SPINE

1643. A Rare Case of Contemporaneous Clival and Bilateral Occipital Condyle Avulsion Fractures Associated with Focal Tectorial Membrane Disruption.

Zaid Aljuboori, MD; Norberto Andaluz, MD (Louisville, KY)

SPINE

1644. A Rare Case of Intramedullary Spinal Cord Metastasis from Rectal Cancer Causing Conus Medullaris Syndrome

Chin Lik Tan; Walter Chou; Nagarjun Bolem; Ning Chou; Kejia Teo (Singapore, Singapore)

SPINE

1647. A Retrospective Study Analyzing The Association Between The L3-4 Disc And Spinopelvic Parameters, Quality Of Life, And Postoperative Adverse Events

Mark Maher Kodsy; Harvey Freitag, BS; Robert Winkelman, BS; Iain Kalfas, MD; Edward Benzel, MD; Douglas Orr, MD; Jason Savage, MD; Bryan Lee, MD; Ryan Honomichl, PhD; Nic Thompson, MS (Westlake, OH)

SPINE

1649. A Solitary Osteochondroma of the Cervical Spine Presenting with Quadriparesis and Hand Contracture

Camille K Milton; Kyle O'Connor, BS; Adam Smitherman, MD; Andrew Conner, MD; Michael Martin, MD (OKC, OK)

SPINE

1650. A Survey Of Vitamin D Status In Patients With Herniated Lumbar Discs

Rabail Akbar Qazi, MBBS; Dr. Asad Abbas; Farrukh Javeed; Raza Rizvi; Lal Rehman; Ali Afzal (Karachi, Pakistan)

SPINE

1651. A Systematic Review Of The Use Of Measures Of Frailty And Their Relation To Outcomes In Spine Surgery; Is It Time To Move Towards Disease-specific Indices?

Jamie RF Wilson; Robert Ravinsky, MD; Jetan Badhiwala, MD; Fan Jiang, MD; Michael Fehlings, MD, PhD (Toronto, Canada)

SPINE

1653. A novel double tubular minimally invasive spine technique increases the surgical visual field and facilitates better maneuverability during resection of intradural pathologies.

Ioannis Vasilikos; Roland Roelz; Christoph Scholz; Jan-Helge Klingler; Ulrich Hubbe (Baden Wuerttemberg, Germany)

SPINE

1655. A systematic review on the clinico-radiological features and surgical outcome of tuberculous spondylolisthesis

Lekshmi Peringassery Sateesh; Vinayak Narayan, MD; Anil Nanda (Columbus, OH)

SPINE

1658. Accurate Patient Preference Diagnosis Increases Likelihood of Achieving a Clinically Meaningful Outcome After corrective Surgery for Adult Spinal Deformity: A Single Institutional Study of 197 Patients

Owoicho Adogwa, MD, MPH; Owoicho Adogwa, MD, MPH; Max Shlykov, MD; Keith Bridwell, MD; Munish Gupta, MD; Lawrence Lenke, MD; Michael Kelly (St. Louis, MO)

SPINE

1659. Acute Colonic Pseudo-Obstruction After Posterior Spinal Fusion: A Case Report And Literature Review

M. Usman Ahmad; Keyan Riley, MD; Thomas Ridder, MD (Denver, CO)

SPINE

1660. Adjunctive HBO Therapy in Spine Management: An Update and Review of Utility and Treatment Protocol

Jennifer Z. Mao, MBA; Jennifer Mao, MBA; Timothy O'Connor, MD; Nicholas Imperato; Kurt Knepley; David Glass; Megan Johnson; Mary O'Hehir; Asham Khan, MD; John Pollina, MD; Jeffrey Mullin, MD (Buffalo, NY)

SPINE

1661. Adjustable Lordotic Expandable Technology Improves Clinical Outcomes: Minimally Invasive Lateral Lumbar Interbody Fusion for DDD

Yan Michael Li, MD, PhD; Zheng Huang, MD, PhD; James Towner, MD; Yan Li, PhD; Jessica Riggleman, BS; Charles Ledonio (Pittsford, NY)

SPINE

1662. Adult Onset Tethered Cord Syndrome: Spinal Pathology, Clinical And Histological Characteristics And Post-Operative Outcomes

Matthew Hagan; Owen Leary; Abigail McElroy; David Liu; Jared Fridley, MD; Albert Telfeian, MD, PhD; Alexios Carayannopoulos; John Donahue, MD; Ziya Gokaslan; Adetokunbo Oyelese; Petra Klinge (Providence, RI)

SPINE

1663. Adverse events after surgical treatment of Chiari malformation type I

Izumi Koyanagi, MD, IFAANS; Yasuhiro Chiba, MD; Hiroyuki Imamura, MD; Masami Yoshino, MD; Hiroshi Abe, MD (Nishi-ku/Sapporo, Japan)

SPINE

1664. Age Is Not Enough: Functional Status and Comorbidity Burden Are Important Predictors of Postoperative Complications Following Adult Spinal Deformity Surgery

Jianning Shao; Arbaz Momin, BS; Jonathan Rasouli, MD; Jacob Enders, BA; Patrick Ellsworth, BA; Tiffany Ejikeme, BA; Peter Palmer, BA; Emily Abramczyk, BA; Precious Oyem, BA; Carlos Munoz-Lopez, BA; Edward Benzel, MD; Michael Steinmetz, MD (Cleveland, OH)

SPINE

1665. Age, BMI, and Osteoarthritis are Predictors of Higher Total Costs in Spine Fusion Surgery at 2 Years

Peter Gust Passias; Peter Passias, MD; Avery Brown, BS; Haddy Alas, BS; Cole Bortz, BA; Katherine Pierce, BS; Sara Naessig, BS; Waleed Ahmad, MS; Aaron Buckland; Shaleen Vira, MD; Burhan Janjua, MD; Michael Gerling, MD (Brooklyn Heights, NY)

SPINE

1666. Analysis Of Length of Stay Variation By Insurance Payor In An Enhanced Recovery After Surgery Program

Luke Dosselman; Salah Aoun, MD; Najib El Tecle; Kristen Hall, BS; Brandon Lopez; Carlos Bagley (Dallas, TX)

SPINE

1667. Analysis Of Outcomes After Minimally Invasive Posterior Cervical Foraminotomy: A Systematic Review Of Comparative Studies

Andrew Platt, MD; John O'Toole, MD (Chicago, IL)

SPINE

1668. Analyzing The Correlation Between Surgeon Experience And Patient Length Of Stay

Alan T. Villavicencio, MD, FAANS; Sharad Rajpal, MD; Mancy Shah, BA; Niketna Vivek; Sigita Burneikiene, MS (Boulder, CO)

SPINE

1669. Angiotensin-II Receptor Blockers Were Associated With Lower T2W Signal Intensity Change In Cervical Spondylotic Myelopathy: Is There A Role Of The Renin-Angiotensin System In Chronic Spinal Cord Compression?

Alexander Perdomo-Pantoja, MD; Alejandro Chara, BS; Joshua Casaos, MD; Samuel Kalb, MD; Corinna Zygourakis, MD; Ali Ahmed, BS; Zachary Pennington, BS; Ethan Cottrill, MS; Sohan Shah, BS; Amir Manbachi, PhD; Timothy Witham, MD; Nicholas Theodore, MD (Baltimore, MD)

SPINE

1670. Anterior Cervical Discectomy and Fusion in the Setting of Kissing Carotids: Technical Notes and Literature Review

Mansour Hassan Mathkour, MD; Mansour Mathkour, MD, MSc; Jonathan Riffle, DO; Michael DeBakey, BS; Basit Jawad, MD; Tyler Scullen, MD; Cassidy Werner, MD; James Kalyvas, MD (New Orleans, LA)

SPINE

1671. Anterior Cervical Discectomy and Fusion Versus Cervical Disc Arthroplasty: A Comparison of National Trends and Outcomes

James Ryoo; Abhinav Reddy, MS; Philip Ostrov, MS; Ankit Mehta, MD (Chicago, IL)

SPINE

1672. Anterior Discectomy and Fusion (ACDF): Does the Teaching Status of the Hospital Matter?

Mohamad Bydon, MD, FAANS ; Aya Akhras; Waseem Wahood, MS; Mohammed Alvi, MBBS; Anshit Goyal, MBBS; Yagiz Yolcu, MD (Rochester, MN)

SPINE

1673. Anterior Sacral Meningocele(ASM) Repair Under Fluorescence Assistance and Bone Cement Reconstruction - A Rare Case Report

Yu-chiang Yeh; Yu-Chiang Yeh; Ya-Jui Lin; Chieh-Tsai Wu (Taipei, Taiwan)

SPINE

1674. Anterior cervical corpectomy and fusion using an expandable cylindrical cage. The influence of posterior fixation on the rate of subsidence. A consecutive series of 151 patients

Benedikt Burkhardt; Simon Mülller, MD; Joachim Oertel, MD (Homburg-Saar, Germany)

SPINE

1675. Anterior cervical spine surgery for the treatment of subaxial cervical spondylodiscitis: A report of 36 consecutive patients

Benedikt Burkhardt; Simon Müller, MD; Joachim Oertel, MD (Homburg-Saar, Germany)

SPINE

1676. Aortic Puncture During Lumboperitoneal Shunt Placement

Nazih Moufarrij, MD, FAANS (Wichita, KS)

SPINE

1677. Approach Related Complications In Elderly Versus Non-elderly Patients Undergoing Transpsoas Approach For Interbody Fusion In 115 Consecutive Patients

Yamaan S Saadeh, MD; Clay Elswick, MD; Osama Kashlan, MD; Paul Park, MD (Ann Arbor, MI)

SPINE

1678. Appropriate Risk Stratification and Accounting for Age-Adjusted Reciprocal Changes in the Thoracolumbar Spine Reduces the Incidence and Magnitude of Distal Junctional Kyphosis in Cervical Deformity Surgery

Peter Gust Passias; Peter Passias, MD; Cole Bortz, BA; Katherin Pierce, BS; Renaud Lafage, MS; Virginie Lafage, PhD; Christopher Ames, MD; Douglas Burton, MD; Shay Bess; Justin Smith, MD, PhD; Frank Schwab, MD; International Spine Study Group (Brooklyn Heights, NY)

SPINE

1679. Arthritis Is Not A Peri-Operative Risk Factor For Construct Failure Or Need For Revision In Patients Undergoing Spinal Fusion

Luke Alan Mugge, MD; Luke Mugge, MD; Danielle Dang, MD; John Dang, MD; Andrew Fanous, MD (Falls Church, VA)

SPINE

1680. Aspiration: An Underdiagnosed Complication After Cervical Spine Injury

Anand Patel; Anand Patel, MS; Suchi Amin, BS; Purvi Patel, MD; Michael Anstadt, MD; Vikram Prabhu, MD; Suguna Pappu, MD, PhD (Maywood, IL)

SPINE

1682. Assessing the Minimum Clinically Important Difference and Substantial Clinical Difference in Pain, Disability and Quality of Life at 1 Year and 2 Years Following Surgery For Grade I Degenerative Spondylolisthesis: Insights from the Quality Outcomes Databa

Mohamad Bydon, MD, FAANS ; Praveen Mummaneni, MD; John Knightly, MD; Anshit Goyal, MBBS; Mohammed Ali Alvi, MBBS; Andrew Chan, MD; Jian Guan, MD; Steven Glassman, MD; Kevin Foley, MD; Jonathan Slotkin, MD; Eric Potts, MD; Mark Shaffrey, MD; Christopher Shaffrey, MD; Regis Haid, MD; Kai-Ming Fu, MD; Michael Wang, MD; Paul Park, MD; Anthony Asher, MD; Erica Bisson, MD (Rochester, MN)

SPINE

1683. Associated Risk-Factors of 30- and 90-Day Readmission after Spinal Surgery for Lumbar Degenerative Disc Disease in Geriatric Patients

Aladine Abdalla Elsamadicy, BE, MD; Aladine Elsamadicy, MD; Andrew Koo, BS; Cheryl Zogg; Adam Kundishora, MD; Megan Lee, BS; Wyatt David, MS; Isaac Freedman; Gregory Kuzmik, MD; Luis Kolb, MD; Maxwell Laurans; Khalid Abbed, MD (New Haven, CT)

SPINE

1684. Association between Intraoperative ALIF Complications and Number of Prior Abdominal Surgeries

Arbaz Momin; Edward Barksdale, BS; Zaeem Lone, BA; Jacob Enders, BS; Douglas Orr, MD; Michael Steinmetz, MD (Cleveland, OH)

SPINE

1685. Atypical Variant Of Baastrup’s Disease With Lumbar Stenosis And Cauda Equina Syndrome

kartikeya shukla; Jaskaran Singh; Sarbesh Tiwari (Jodhpur, India)

SPINE

1686. BMI Is Correlated with Functional Disability and Depression Following Adult Spinal Deformity Surgery

Jianning Shao; Jonathan Rasouli, MD; Arbaz Momin, BS; Jacob Enders, BA; Patrick Ellsworth, BA; Edward Benzel, MD; Michael Steinmetz, MD (Cleveland, OH)

SPINE

1687. BMI as Predictor for 30-day and 90-day Readmission for all Causes After Posterior Cervical Decompression and Fusion Surgery

Joshua Benton; Yaroslav Gelfand, MD; Rafael De la Garza Ramos, MD; Phillip Cezayirli, MD; Murray Echt, MD; Vijay Yanamadala, MD; Reza Yassari, MD (Bronx, NY)

SPINE

1688. Bacillus Cereus Implicated in Discitis

Ahmed Mohammed Alnemari, MD, MPH; Ahmed Alnemari, MD, MPH; Anahita Malvea; Kaitlyn Orton, BS; Abdulhakeem Alghamdi, MD; Stephanie Stephanie; Adam Sachs (Ottawa, Canada)

SPINE

1689. Bauer and Spinal Instability Neoplastic Scores as Predictors of Blood Transfusion After Metastatic Spinal Tumor Surgery

Joshua Benton; Rafael De la Garza Ramos, MD; Yaroslav Gelfand, MD; Phillip Cezayirli, MD; Murray Echt, MD; Vijay Yanamadala, MD; Reza Yassari, MD (Bronx, NY)

SPINE

1692. Biomimetic 3D-printed Titanium-Alloy Interbody Spacers Demonstrate Uniform Bone Growth over 12 Weeks

Margaret Van Horn; Roland Beard, MS; Bryan Cunningham, PhD; Brandon Bucklen, PhD (Audubon, PA)

SPINE

1693. Bone Cement Spacers For Spine Surgeries: An Affordable MR Compatible Alternative To Expensive Commercial Spinal Implants

kartikeya shukla; Mayank Garg; Jaskaran Singh; Bhaskar Suryanarayanan; Deepak Jha (Jodhpur, India)

SPINE

1694. Bone Morphogenetic Protein Use in Adult Thoracolumbar Deformity Surgery: Impact on Reoperation Rate and Cancer Risk

Kunal Varshneya; Martin Stienen, MD; Zachary Medress, MD; Victor Staartjes, PhD; Atman Desai, MD; Gordon Li, MD; Corinna Zygourakis, MD; Jon Park, MD; John Ratliff, MD; Anand Veeravagu, MD (San Jose, CA)

SPINE

1695. Both Mild and Severe Obesity Reduce the Effectiveness of Elective Lumbar Fusion Surgery: Analysis of One Year Patient-Reported Outcomes in 8,171 Patients.

Graham Garfield Mulvaney, MD; Matthew McGirt, MD; Vincent Rossi, MD; David Peters, MD; Olivia Rice, MD; Joshua Patt, MD, MPH; Deborah Pfortmiller, PhD; Anthony Asher (Charlotte, NC)

SPINE

1697. C5 Palsy after Cervical Laminectomy: Natural History and Risk Factors in a 10 Year Series

Ryan Christopher Hofler, MD; Joseph Frazzetta; Jehad Zakaria, MD; Amany Aziz, MD; Russ Nockels, MD; William Adams; George Jones, MD (Maywood, IL)

SPINE

1700. Cadaveric Study of Safe entry Zones to lumbar disc through Transpsoas Approach

Ahmed Elrahmany, MD; Ahmed Elrahmany; Ehab Zidane; Mohamed Agamy; Melad Bushra Eskander (Egypt, )

SPINE

1703. Can We Make Them Walk Again: Predictors of Ambulatory Function in Metastatic Spinal Cord Compression.

Nida Fatima, MBBS; John Shin, MD (Boston, MA)

SPINE

1704. Cephalad Migration of Intradural Bullet from Thoracic Spine to Cervical Spine.

Christopher R. Banerjee, MD; Nathan Todnem; Trevor Hardigan; Cargill Alleyne (Augusta, GA)

SPINE

1705. Cerebral Beak Angle Changes after Decompression

Anshul Ratnaparkhi; Joel Beckett, MD; Azim Laiwalla, MD; Ulrich Batzdorf, MD (San Jose, CA)

SPINE

1707. Cervical Deformity Patients with Baseline Hyperkyphosis and Hyperlordosis Differ in Surgical Treatment and Radiographic Outcomes

Peter Gust Passias; Haddy Alas, BS; Katherine Pierce; Waleed Ahmad; Sara Naessig; Shaleen Vira, MD; Renaud Lafage, MS; Christopher Ames, MD; Eric Klineberg; Shay Bess; Justin Smith; International Spine Study Group (Brooklyn Heights, NY)

SPINE

1708. Cervical Disc Arthroplasty Is Associated With Fewer Adjacent Segment Surgeries and Index-Level Reoperations Than Anterior Cervical Discectomy And Fusion: Systematic Review And Meta-Analysis Of Randomized Controlled Trials With Long-term Follow-up

Andrew Platt, MD; Jetan Badhiwala; Christopher Witiw; Vincent Traynelis (Chicago, IL)

SPINE

1709. Cervical Disc Arthroplasty Vs. Anterior Cervical Discectomy and Fusion: An analysis from the Quality Outcomes Database (QOD)

Inamullah Khan; Kristin R. Archer; Jacquelyn Pennings; Ahilan Sivaganesan, MD; Mohamad Bydon, MD; Anthony L. Asher, MD; Clinton J. Devin, MD (Nashville, TN)

SPINE

1710. Cervical Spinal Stenosis in Octogenarians: Impact of the Degree of Stenosis and Symptoms on Patient Management

Mohamad Bydon, MD, FAANS ; Yagiz Yolcu, MD; Jad Zreik, BS; Mohammed Alvi, MBBS; Anshit Goyal, MBBS (Rochester, MN)

SPINE

1712. Changes in Segmental Lordosis at L5-S1 Following Placement of Anterior TLIF Cages

Timothy O'Connor, MD; Jennifer Mao, MBA; Elena Pezzino, BS; Alex Hollenberg, BS; Alex Fritz, BS; Justice Agyei, MD; Mary O'Hehir; Jeffrey Mullin; John Pollina, MD (Buffalo, NY)

SPINE

1713. Characterization and Rate of Symptomatic Adjacent Segment Disease Following Index Extreme Lateral Interbody Fusion: A Single-Institution, Multi-Surgeon Analysis

Vikram Arjun Mehta, MD; Vikram Mehta, MD, MPH; Timothy Wang, MD; Eric Sankey, MD; Elizabeth Howell, BS; Luis Ramirez, MPH; C. Rory Goodwin, MD, PhD; Robert Isaacs, MD; Isaac Karikari, MD; Muhammad Abd-El-Barr, MD, PhD (Durham, NC)

SPINE

1714. Characterizing the Rates and Causes of Spinal Cord Compression in Patients with Known Spinal Metastases in an Underserved Population

Joshua Benton; Rafael De la Garza Ramos, MD; Yaroslav Gelfand; Phillip Cezayirli, MD; Murray Echt, MD; Reza Yassari, MD; Vijay Yanamadala (Bronx, NY)

SPINE

1715. Chiari Malformation with Spinal Pathology: Reoperation Rates Following Surgical Decompression Versus Fusion

Peter Gust Passias; Haddy Alas; Katherine Pierce; Avery Brown; Cole Bortz; Waleed Ahmad; Sara Naessig; Shaleen Vira; Muhammad Burhan Janjua; D Kojo Hamilton; Danial Sciubba (Brooklyn Heights, NY)

SPINE

1717. Clinical Utility of Routine Postoperative Imaging in Spinal Fusion Surgery: A Systematic Review and Meta-analysis

Michael Shost; Tarun Jella, MPH; Andrew Ronald, BS; Eric Herring, MD; Gabriel Smith, MD (Cleveland, OH)

SPINE

1718. Clinical and Radiological Outcomes of Trans-Kambin Posterior Oblique Lateral Lumbar Interbody Fusion

Hamid R. Abbasi, MD, PhD, FAANS; Hamid Abbasi (Alexandria, MN)

SPINE

1719. Clinical, Social, and Procedural Predictors of Post-Operative Complications in the Spine Population: A Retrospective Review

Zachary Christian; Olusoji Afuwape, MD, PhD; Salah Aoun, MD; Kristen Hall, BS; Carlos Bagley, MD, MBA (Dallas, TX)

SPINE

1721. Comparative Outcomes in Normal/Overweight and Obese Populations Undergoing Single-Level Lumbar Interbody Fusion

Yi Lu, MD, PhD FAANS; John Chi, MD; Martin Krag, MD; Mohamad Bydon, MD; Pierce Nunley, MD; Staphane Lavoie, MD; Marcus Stone, PhD (Boston, MA)

SPINE

1722. Comparing Pull Out Force of Cervical Pedicle Screws and Lateral Mass Screws

Timothy O'Connor, MD; Maritza Taylor; Jennifer Mao, MBA; Mary O'Hehir, BS; Dan Rathbone, BS; John Pollina, MD; Jeffrey Mullin (Buffalo, NY)

SPINE

1723. Comparing the Effects of Arterial Line and Non-Invasive Blood Pressure Monitoring on Cervical Spinal Myelopathy Outcomes in Patients Undergoing Posterior Cervical Decompression and Fusion

Isaac Bing-Yi Ng, MS; Richard Dowd, MD, MS; Daniel Herrick, MD, PhD; Shane Burke, MD, MBA; Tej Ganti; Emily Anderson; Marie Roguski, MD, MPH; Jeffrey Florman, MD; Ron Riesenburger, MD (Boston, MA)

SPINE

1724. Comparing the Surgical Outcomes of Dynamic Cervical Implants (DCI) vs Total Disc Replacement (TDR) and Anterior Cervical Discectomy and Fusion (ACDF): A Systematic Review and Meta-Analysis

Mohamad Bydon, MD, FAANS ; Aya Akhras; Waseem Wahood, MS; Mohammed Alvi, MBBS; Anshit Goyal, MBBS; Atiq Bhatti, MD (Rochester, MN)

SPINE

1725. Comparison Of Clinical Results Between Spinal Fixation And Distraction Versus Spinal Decompression And Fixation In Incomplete Neurological Deficit: A Randomized Prospective Study

Sarvdeep Dhatt (Chnadigarh, India)

SPINE

1727. Comparison of Combined versus Staged Anterior and Posterior Cervical Decompression, Stabilization and Fusion

Khashayar Mozaffari; Michael Stellon; Andrew Sparks; Eric Chalif; Kenan Rajjoub; Danielle Putur; Michael Rosner (Washington, DC)

SPINE

1728. Comparison of Complication Rates of Lumbar Microdiscectomies Performed in an Elective versus Emergent Setting

Ki-Eun Chang, MD; Joshua Bakhsheshian; Ben Strickland; Elliot Min; John Gruen (Los Angeles, CA)

SPINE

1729. Comparison of Outcomes After Spinal Fusion Using Autograft Versus Allograft

Michael Mancini; Aris Yannopoulos, MD; Michael Cremins; Smitha Vellanky, MSc; Grace McCann, BA (Rocky Hill, CT)

SPINE

1730. Comparison of Rod Types Used in Spinal Surgery: A Systematic Review and Meta-Analysis

Jennifer Z. Mao, MBA; Alexander Fritz, BS; Timothy O'Connor, MD; Asham Khan, MD; Justice Agyei, MD; Elena Pezzino, BS; John Pollina, MD; Jeffrey Mullin (Buffalo, NY)

SPINE

1731. Comparison of Segmental Lordosis Gain with standard LLIF or PTP.

Luiz Pimenta; Rodrigo Amaral; Willian Taylor; Antoine Tomeh; Raquel Rodrigues; Daniel Arnoni (São Paulo, Brazil)

SPINE

1734. Complications, Costs, and Quality Outcomes of Osteotomy Utilization in Thoracolumbar Deformity Surgery – A National Perspective

Kunal Varshneya; Martin Stienen, MD; Allen Ho, MD; Zachary Medress, MD; Parastou Fatemi, MD; Arjun Pendharkar, MD; John Ratliff, MD; Anand Veeravagu, MD (San Jose, CA)

SPINE

1735. Complications, Costs, and Quality Outcomes of Patients Undergoing Cervical Deformity Surgery with Intraoperative BMP Use

Kunal Varshneya; Harsh Wadhwa; Arjun Pendharkar, MD; Zachary Medress; Martin Stienen, MD; John Ratliff, MD; Anand Veeravagu, MD (San Jose, CA)

SPINE

1736. Computer-Assisted Instrument Tracking Impact on Radiation and Time in Percutaneous Lumbar Interbody Fusion: An Internally Randomized Trial

Farah Hamouda; Muhammad Abd-El-Barr, MD, PhD; Timothy Wang; Vikram Mehta (Chapel Hill, NC)

SPINE

1737. Conservative Treatment in Patients with Thoracolumbar Injury Classification Score (TLICS) of >4

Gabriel Stefano Gonzales-Portillo; Travis Dumont, MD (Tucson, AZ)

SPINE

1739. Coronal Cobb Angle Correction With Pre-psoas (Oblique) And Lateral Lumbar Interbody Fusion In Adult Scoliosis Patients

Jeremy Michal Vincent Guinn; Zhuo Xi, MD; Shane Burch, MD; Praveen Mummaneni, MD; Sigurd Berven, MD; Vedat Deviren, MD; Dean Chou, MD (Nashville, TN)

SPINE

1740. Correcting Pelvic Tilt to 50% of Pelvic Incidence: A Comparison of The Incidence of Proximal Junctional Kyphosis and HRQOL in Patients Undergoing Corrective Surgery for Adult Spinal Deformity.

Owoicho Adogwa, MD, MPH; Owoicho Adogwa; Max Shlykov, MD; Keith Bridwell, MD; Munish Gupta, MD; Lawrence Lenke, MD; Michael Kelly, MD (St. Louis, MO)

SPINE

1741. Correction of Pelvic Obliquity with Fusion to Pelvis in the Ambulatory Pediatric Patient

Richard Menger, MD MPA; Paul Park; Meghan Cerpa, MPH; Elise Bixby, MD; Gerard Marciano, MS; David Roye, MD; Benjamin Roye, MD, MPH; Michael Vitale, MD, MPH; Lawrence Lenke, MD (Shreveport, LA)

SPINE

1742. Correlation between Lumbosacral Transitional Anatomy and Pars Defect

Gabriel Stefano Gonzales-Portillo; Travis Dumont, MD (Tucson, AZ)

SPINE

1743. Correlation of Return to Work with Patient Satisfaction After Surgery for Lumbar Spondylolisthesis: An Analysis of the Quality Outcomes Database

Anthony M. DiGiorgio, DO, MHA; Paul Park MD, Andrew K. Chan MD, Praveen V. Mummaneni MD, Erica F. Bisson MD, MPH, Mohamad Bydon MD, Kevin T. Foley MD, Steven D. Glassman MD, Christopher I. Shaffrey MD, Eric A. Potts MD, Mark E. Shaffrey MD, Domagoj Coric MD, John J. Knightly MD, Michael Y. Wang MD, Kai-Ming Fu MD, PhD, Anthony L. Asher MD, Michael S. Virk MD, PhD, Panagiotis Kerezoudis MD, MS, Mohammed A. Alvi MBBS, Jian Guan MD, Regis W. Haid MD, Jonathan R. Slotkin MD (San Francisco, CA)

SPINE

1744. Correlation of Validated Frailty Instruments With and Without Cognitive Metrics in a General Neurosurgery Population

Samuel Bruce; Michael Argenziano; Claire Donnelley; Brett Youngerman, MD, MS; Patrick Reid, MD, MS (New York, NY)

SPINE

1745. Cost Analysis of Spinal Laser Interstitial Thermotherapy to Open Surgery for Metastatic Thoracic Epidural Spinal Cord Compression

Dhiego Bastos, MD; Jaime Quirarte, BS; Marilou Oro; Behrang Amini, MD; Ganesh Rao; Rhines Larry, MD; Claudio Tatsui (Campinas, Brazil)

SPINE

1746. Cost-Benefit Analysis of Tranexamic Acid and Blood Transfusion in Elective Lumbar Spine Surgery for Degenerative Pathologies

Jeff Ehresman; Zach Pennington, BS; Andrew Schilling, AB; Sakibul Huq, BS; Ravi Medikonda, BS; Kevin Merkel, BS; A. Karim Ahmed, BS; Ethan Cottrill, BS; Steven Frank, MD; Daniel Sciubba, MD (Baltimore, MD)

SPINE

1748. Current Landscape of Adult Idiopathic Scoliosis A Systematic Review and Meta-Analysis of Characterization, Management, and Outcomes

Jennifer Z. Mao, MBA; Alex Hollenberg, BS; Patrick Laird, BA; Megan Johnson, BS; Nicholas Imperato, BS; Ryan Hess, MD; Asham Khan, MD; Tim O'Connor, MD; Justice Agyei, MD; John Pollina, MD; Alex Vaccaro; Jeffrey Mullin, MD (Buffalo, NY)

SPINE

1749. Custom 3D-Printed Assistive Devices Improve Functional Independence in Cervical Spinal Cord Injury

Shovan Bhatia; Sebastian Gallo; Iahn Cajigas, MD, PhD; Jonathan Jagid, MD; Abhishek Prasad, PhD (Coral Gables, FL)

SPINE

1750. DISH, AS, & Other Spondyloarthropathies In The Trauma Setting: An Institutional Experience on Acute Management

Alexis Gutierrez; Svetlana Kvint, MD; James Schuster, MD, PhD (Philadelphia, PA)

SPINE

1754. Decompression Surgery versus Interspinous Devices for Lumbar Spinal Stenosis

Martin Huy Pham, MD; Jennifer Tram, BS; Shanmukha Srinivas, BS; Arvin Wali, MD; Courtney Lewis, BS (La Jolla, CA)

SPINE

1756. Delayed Vertebral Artery Rupture Following Anterior Cervical Discectomy And Fusion

Bharath Raju; Naveen Appaji Gowda, MCh (Bangalore, India)

SPINE

1757. Depiction of Presenting Comorbidity Profiles in Adolescent Idiopathic Scoliosis Patients with and without Syringomyelia Using Cluster Analytics

Peter Gust Passias; Katherine Pierce, BS; Avery Brown, BS; Cole Bortz, BA; Haddy Alas, BS; Sara Naessig, BS; Jordan Manning, BA; Daniel Sciubba, MD; Shaleen Vira, MD; Michael Gerling, MD; Peter Passias, MD; Burhan Janjua, MD (Brooklyn Heights, NY)

SPINE

1758. Describing The Treatment Approach For Central Cord Syndrome (CSS) At A Single Academic Center

Michael Andrew McNamara; Michael McNamara, BS; Peyton Nisson, MD; Marjorie Wang, MD, MPH; Shekar Kurpad, MD, PhD (Wauwatosa, WI)

SPINE

1759. Determining the difference in clinical and radiological outcomes between expandable and non- expandable cages in the cervical fusion procedures: A Systematic Review and Meta-Analysis

Mohamad Bydon, MD, FAANS ; Ronan Doherty; Yagiz Yolcu, MD; Anshit Goyal, MBBS; Mohammed Alvi, MBBS (Rochester, MN)

SPINE

1760. Development Of Scoliosis Following Hip Replacement Surgery

Francesca Siddi; Asad Lak, MD; Francesca Siddi, MD; Timothy Smith; Yi Lu (Treviso, Italy)

SPINE

1761. Development of Predictive Model for 30-days Complications Following Posterior Cervical Fusion.

Nida Fatima, MBBS; John Shin, MD (Boston, MA)

SPINE

1762. Diagnostic Accuracy Of An Abbreviated STIR Magnetic Resonance Imaging Sequence In Pediatric Spine Trauma

Daniel Blatt; David Pettersson, MD; Jeffrey Pollock, MD; Christina Sayama, MD, MPH (Portland, OR)

SPINE

1763. Do PEEK Rods for Posterior Instrumented Fusion in the Lumbar Spine Reduce the Risk of Adjacent Segment Disease?

Daniel Hirt, MD; Heather Prentice, PhD; Devon Khosla, MD; Jessica Harris, MS; Elizabeth Paxton, PhD; Daniel Nagasawa, MD; Steven Kurtz, PhD (Los Angeles, CA)

SPINE

1764. Does BMI Over 40 Have a Significant Risk in Spine Deformity Patients?

Yaroslav Gelfand, MD; Rafael De la Garza, MD; Mousa Hamad, MD; Vijay Yanamadala, MD, MBA; Reza Yassari, MD, MS (Bronx, NY)

SPINE

1765. Does Body Mass Index Really Bother the Lumbar Spine in Women with Low Back Pain?

Murat Ekşi; Emel Özcan-Ekşi, MD; Veli Turgut, MD; Çağrı Canbolat, MD; Müjdat Kara, MD; Berk Özmen; Sibel Huet; Taha Dinç; Serdar Özgen, MD; M. Necmettin Pamir, MD (İstanbul, Turkey)

SPINE

1766. Does Meyerding Slippage Reduction In Spondylolisthesis Correlate With Patient Outcomes?

Rory Mayer, MD; Praveen V. Mummaneni MD, Andrew K. Chan MD, Erica F. Bisson MD, MPH, Joshua Rivera BS, Brenton Pennicooke MD, Kai-Ming Fu MD, PhD, Paul Park MD, Mohamad Bydon MD, Steven D. Glassman MD, Kevin T. Foley MD, Christopher I. Shaffrey MD, Eric A. Potts MD, Mark E. Shaffrey MD, Domagoj Coric MD, John J. Knightly MD, Michael Y. Wang MD, Jonathan R. Slotkin MD, Anthony L. Asher MD, Regis W. Haid MD, Dean Chou MD (San Francisco, CA)

SPINE

1767. Does Outcome Differ Between Cervical And Lumbar Spinal Procedures Among Patients With Opioid Use Disorder? Analysis Of The National Inpatient Sample

Andrew J. Caras; William Miller, MS; Jason Schroeder, MD; Azedine Medhkour, MD (Toledo, OH)

SPINE

1768. Does Paraspinal Trunk Flap At The Time Of Spinal Surgery Improve Post-operative Outcomes In Patients With Disseminated Cancer?

Meghan Price; Elizabeth Howell, BS; Vikram Mehta, MD, MPH; Rose Tillis, MD; Luis Ramirez; George Bukenya; Jessica Goodwin; Christine Park; Muhammad Abd-el-Barr, MD, PhD; Isaac Karikari, MD; David Brown, MD, PhD; Rory Goodwin, MD, PhD (Durham, NC)

SPINE

1769. Does Smoking Affect Implant Survivorship Following Posterior Fusion Surgery in Degenerative Cervical Spine Disease?

Nida Fatima, MBBS; John Shin, MD (Boston, MA)

SPINE

1770. Does indirect decompression after LLIFalways work?

Luiz Pimenta; Rodrigo Amaral; Raquel Rodrigues; Gabriel Pokorny; Thyago Guirelle (São Paulo, Brazil)

SPINE

1771. Dorsal Migration of Lumbar Disc Fragment as a Cause of Cauda Equina Syndrome

Shawn Rai, MD; Carlos Goulart, MD; Michael Galgano, MD; Satish Krishnamurthy, MD (Syracuse, NY)

SPINE

1772. Double Cervical Expandable Cage Reconstruction After Nerve Root Sparing Thoracic Vertebral Column Resection: A Feasible Biomechanical Alternative in Severe Vertebral Body Height Collapse.

Carlos Goulart, MD; Shawn Rai, MD; Michael Galgano, MD (Syracuse, NY)

SPINE

1774. ERAS: Fluid Management And Transfusion Protocol in Complex Spine Surgical PatientI

Vikram Chakravarthy, MD; Robery Winkleman, BS; Hana Yokoi, BS; Mariel Manlapaz, MD; Ajit Krishnaney, MD (Cleveland, OH)

SPINE

1776. Early 3-Month Cervical Outcomes of the Fortilink TETRAfuse Interbody Fusion Device In Subjects With Degenerative Disc Disease Study – The FORTE Study

K. Brandon Strenge; Clint Hill, MD (Paducah, KY)

SPINE

1777. Early Multi-Center Study Results of a Unique Hybrid Minimally Invasive Lateral Lumbar Interbody Fusion System

Sandeep M. Kunwar, MD, FAANS; Clint Hill, MD; John Malloy, DO; Brandon Strenge, MD; Marcus Stone, PhD; Pierce Nunley, MD (Woodside, CA)

SPINE

1779. Early versus Late Surgical Decompression for Acute Traumatic Spinal Cord Injury: A Pooled Analysis of Prospective, Multicenter Data in 1,548 Patients

Jetan Badhiwala, MD; Christopher Witiw, MD, MS; Farshad Nassiri, MD; Jefferson Wilson, MD, PhD; Michael Fehlings, MD, PhD (Toronto, Canada)

SPINE

1780. Early versus Late Surgical Decompression for Central Cord Syndrome: An Analysis of Prospective, Multicenter Data

Jetan Badhiwala, MD; Jefferson Wilson, MD, PhD; Michael Fehlings, MD, PhD (Toronto, Canada)

SPINE

1781. Economic Performance of Trans-Kambin Posterior Oblique Lateral Lumbar Interbody Fusion (OLLIF) with a Focus on Hospital Throughput Efficiency

Hamid R. Abbasi, MD, PhD, FAANS; Hamid Abbasi (Alexandria, MN)

SPINE

1782. Economic Utility Of Suture-based Herniated Disc Repair In Lumbar Microdiscectomy

John Emery Sherman M.D. (Edina, MN)

SPINE

1783. Effect Of MRI On Surgical Approach And Outcomes In The Management of Subaxial Cervical Fractures

Ryan Chiu; Neha Siddiqui, MS; Clayton Rosinski, BS; Ankita Nallani, BS; Mandana Behbahani, MD; Ankit Mehta (Grayslake, IL)

SPINE

1784. Effect of Body Mass Index on Perioperative Outcomes in Minimally Invasive Trans-Kambin Posterior Oblique Lateral Lumbar Interbody Fusion versus Open Fusions: A Multivariant Analysis

Hamid R. Abbasi, MD, PhD, FAANS; Hamid Abbasi (Alexandria, MN)

SPINE

1785. Effect of Cage Type on Radiographic Outcomes in TLIF

Yaroslav Gelfand, MD; Joshua Benton, BA; Rafael De la Garza, MD; Vijay Yanamadala, MD; Reza Yassari, MD, MS; Merritt Kinon, MD (Bronx, NY)

SPINE

1786. Effect of Implant Profile on the Biomechanical Stability of Sacroiliac Joint Fusion Construct

samuel fang; Samuel Fang, PhD (lewisville, TX)

SPINE

1787. Effect of Scan Type, Timespan, and BMI on Chiari I Malformation Tonsil Ectopia Length

Leah Beth Eisenberg; Alan Eisenberg, MD; Kenan Arnautovic, MD (Memphis, TN)

SPINE

1788. Effect of Single-Level Anterior Cervical Discectomy and Fusion on Adjacent Segments in Cervical Degenerative Disease: A Retrospective Cohort Study

Johan Heemskerk; Carlos Perez-Vega, MD; Kent Richter; Reed Richter; William Clifton; Alfredo Quinones-Hinojosa, MD; Matthew Neal, MD; Kingsley Abode-Iyamah, MD (Jacksonville beach, FL)

SPINE

1790. Effectiveness of Tranexamic Acid in Spinal Deformity Surgery: A Consecutive Series of 119 Primary Operations

Mark (Nick) Pernik; Mark Pernik, BA; Luke Dosselman, BS; Salah Aoun, MD; Adrienne Walker, BS; Kristen Hall, BS; David McDonagh, MD; Carlos Bagley, MD, MBA (Dallas, TX)

SPINE

1791. Effects of Smoking on Pedicle Screw-based Dynamic Stabilization: Radiological and Clinical Evaluations of Screw Loosening in 306 patients

Yi-Hsuan Kuo, MD; Wen-Cheng Huang; Jau-Ching Wu (Taipei, Taiwan)

SPINE

1792. Effects of Transcutaneous Spinal Stimulation on Heart Rate Measures and Variance

Amir Ali; Gerome Manson, PhD; Rachel Markley, MS; Dimitry Sayenko, MD, PhD (Galveston, TX)

SPINE

1793. Efficacy and Safety of IV TXA in Reducing Transfusions and Blood Loss in Thoracolumbar Fusion

Benjamin G. McGahan, MD; Alexandre Todeschini; Alberto Uribe; Marco Echeverria-Villalobos; Juan Fiorda-Diaz; Mahmoud Abdel-Rasoul; Asad Akhter; Liesl Close; Ben McGahan; Andrew Grossbach; Stephanus Viljoen; Sergio Bergese (Columbus, OH)

SPINE

1794. Efficacy of Posterior Vertebrectomy with Short Segment Instrumentation in Treatment of Thoracic Spinal Metastasis

Aimen Vanood; Andrew Ragheb; Daniel Fahim, MD (Lake Orion, MI)

SPINE

1795. Elasticity Evaluation Of Human Spinal Cord Using Shear Wave Ultrasound Elastography

Wajda Alhothali; Amro Al-Habib; Abdulrahman Albakr, MD; Abdulrazag Ajlan; Abdullah AbuJamea, MD; Sherif Elwatidy (Riyadh, Saudi Arabia)

SPINE

1796. Elective staged posterior- only correction of Severe Adult Spinal Deformity in elderly patients

Tanmoy Kumar Maiti, MD; Kara Curley; Chandan Krishna; Bernard Bendok; Jamal McClendon (Phoenix, AZ)

SPINE

1797. Elevated Mean Arterial Pressure Does Not Expand Hemorrhagic Contusion in Cervical Traumatic Spinal Cord Injury

Harry Mushlin, MD; Timothy Chryssikos, MD, PhD; Noah Lessing, BA; Nathan Pratt, MD; Nicholas Caffes; Jeffery Oliver, MD; Aaron Wessell, MD; Bizhan Aarabi, MD; Gary Schwartzbauer, MD, PhD (Baltimore, MD)

SPINE

1798. En-Bloc Resection of Thoracic Osteoblastoma

Shawn Rai, MD; Carlos Goulart, MD; Michael Galgano, MD (Syracuse, NY)

SPINE

1799. Endoscopic Endonasal Occipitocervical Fusion: Cadaveric Feasibility And Biomechanical Study

Bryan Krueger, MD; Owen Yager, BS; Olesia Slobodian, MD; Justin Gibson, MD; Rani Nasser, MD; Joseph Cheng, MD, MS; Jonathan Forbes, MD (Cincinnati, OH)

SPINE

1800. Endoscopic surgery of monosegmental unilateral lumbar recess stenosis. Is decompression and partial discectomy advantageous over decompression alone? - A report of 66 consecutive patients

Benedikt Burkhardt; Joachim Oertel, MD (Homburg-Saar, Germany)

SPINE

1801. Engineering Microenvironments of Mesenchymal Stem Cells for Nucleus Pulposus Regeneration in a Degenerative Disc Disease Model

Mick J. Perez-Cruet, MD, FAANS; Lee Onn Chieng; Christina Mckee; Naimisha Beeravolu; Christina Brown; Rasul Chaudhry (Royal Oak, MI)

SPINE

1802. Enhanced Recovery After Surgery (ERAS) Implementation At A Sister Institution: Results And Challeges Expanding Across A Health System

Joseph Ifrach; Disha Joshi, BS; Nikhil Sharma, MS; James Schuster, MD, PhD; H. Chen, MD; Dmitriy Petrov, MD; Arianna Unger; Ali Ozturk, MD; Neil Malhotra, MD; William Welch, MD; Zarina Ali (S Plainfield, NJ)

SPINE

1803. Estimating the impact of surgical decompression on quality of life in patients with metastatic spinal cord compression

Asad Mehmood Lak; Amina Rahimi, BS; Abdullah Abunimer, MD; Ian Tafel, MD; Sharmila Devi; Shreya Chawla; Akash Premkumar; Hasan Zaidi, MD (Boston, MA)

SPINE

1804. Evaluation of a Nanosynthetic Silicated Calcium Phosphate Putty in a Posterolateral Rabbit Spinal Fusion Model

Rema A Oliver; William Walsh; Tian Wang; Dan Wills; Joe Herbert; Jordan Conway; Tom Buckland; Iain Gibson (Randwick, Sydney, Australia)

SPINE

1805. Evaluation of the Hospital Frailty Risk Score in Predicting Outcomes after Posterior Thoracolumbar Spinal Surgery

Georgios Maragkos; Sean Neifert; Rebecca Baron; Michael Martini; Robert Rothrock, MD; Kurt Yaeger, MD; Eric Oermann, MD; John Caridi, MD (New York, NY)

SPINE

1806. Evolution Of Stereotactic Navigation In Spine Surgery At The Naval Hospital, Mexico City

Enrique De Obieta, MD; Alfonso Vega, MD; Apolinar De la luz, MD (Mexico City, Mexico)

SPINE

1807. Examination Of ATTRwt Amyloidosis In Patients Undergoing Spinal Surgery

Keith George; Ron Riesenburger, MD; Rich Dowd, MD; Jayde Nail, MD; James Kryzanski, MD; Michael Mastroianni, BS; Anthony Yu, BS; Andy Wang, BS (Boston, MA)

SPINE

1808. Examination of racial disparity in interhospital transfer and surgical decompression in acute spinal cord injury

Theresa Williamson, MD; Sarah Hodges, BA; Zidanyue Yang, MB; Hui-Jie Lee, PhD; Isaac Karikari, MD; Courtney Goodwin, MD, PhD; Nandan Lad, MD, PhD; Muhammad Abd-El-Barr, MD, PhD (Durham, NC)

SPINE

1809. Excess Opioid Prescription and Wide Variation in Opioid Prescribing Patterns Following Elective Cervical Spine Surgery

Mohamad Bydon, MD, FAANS ; Anshit Goyal, MBBS; Stephanie Payne; Lindsey Sangaralingham, MPH; Mohammed Alvi, MBBS; Molly Jeffery, PhD; James Naessens; Halena Gazelka, MD; Elizabeth Habermann; Benjamin Elder, MD, PhD; Robert Spinner, MD (Rochester, MN)

SPINE

1810. Excess Opioid Prescription and Wide Variation in Opioid Prescribing Patterns Following Elective Lumbar Spine Surgery

Mohamad Bydon, MD, FAANS ; Anshit Goyal, MBBS; Stephanie Payne; Lindsey Sangaralingham, MPH; Mohammed Alvi, MBBS; Molly Jeffery, PhD; James Naessens; Halena Gazelka, MD; Elizabeth Habermann; Benjamin Elder, MD, PhD; Robert Spinner, MD (Rochester, MN)

SPINE

1811. Extended Endoscopic Endonasal Approach for C1-C2 Traumatic and Inflammatory Lesions

Maurizio Iacoangeli, MD, IFAANS; Fabrizio Salvinelli; Stefano Dallari; Maurizio Gladi; Valentina Liverotti; Alessandra Marini; Mauro Dobran (Ancona, Italy)

SPINE

1812. FROM THE PRINTER TO THE THEATRE - 3D PRINTING TECHNIQUE: A STRONGER BASE FOR SKULL BASE

Virendra D. Sinha, MBBS, MS, MCh (Jaipur, India)

SPINE

1815. Feasibility of Surgical Autonomy Program for Timely Evaluation of Resident Performance of ACDF Surgery

Andrew Benjamin Cutler, MD; Alexander Suarez; Charis Spears; Sarah Hodges; Lefko Charalambous; Rajeev Dharmapurikar; Shivinand Lad; Michael Haglund, MD, PhD (Durham, NC)

SPINE

1816. Fluoroscopic Versus CT-guided Cortical Bone Trajectory (CBT) Pedicle Screw Fixation: Comparing Screw Accuracy And Trajectory-Related Complications

Kevin K. Kumar, MD, PhD; Bhavya Parikh; Benjamin Dirlikov, MA; Harminder Singh, MD (Stanford, CA)

SPINE

1817. Frailty Affects Functional Outcome Following Adult Spinal Deformity Surgery

Jianning Shao; Arbaz Momin, BS; Jonathan Rasouli, MD; Jacob Enders, BA; Patrick Ellsworth; Edward Benzel, MD; Michael Steinmetz, MD (Cleveland, OH)

SPINE

1818. Frailty Is A Better Predictor Of Complications Than Age Alone After Surgical Treatment Of Degenerative Cervical Myelopathy: An Ambispective Study Of 5,107 Elderly Patients From The National Surgical Quality Improvement Program Database

Jamie RF Wilson; Jetan Badhiwala, MD; Fan Jiang, MD; Robert Ravinsky, MD; Michael Fehlings, MD, PhD (Toronto, Canada)

SPINE

1819. Frailty Is An important Predictor of Proximal Junction Kyphosis Development Following Adult Spinal Deformity Surgery

Jianning Shao; Arbaz Momin, BA; Jonathan Rasouli, MD; Jacob Enders, BA; Patrick Ellsworth, BA; Edward Benzel, MD; Michael Steinmetz, MD (Cleveland, OH)

SPINE

1820. Free Fibular Strut Graft For Cranial Vertebral Junction Spinal Reconstruction

Wissam Mohamed Elfallal, DO; Wissam Elfallal, DO; Daniel Fahim, MD (Melvindale, MI)

SPINE

1821. Frequency and Implications of Concurrent Complications following Adult Spinal Deformity Corrective Surgery

Peter Gust Passias; Cole Bortz, BA; Katherine Pierce, BS; Avery Brown, BS; Haddy Alas, BS; Waleed Ahmad; Sara Naessig; Shaleen Vira; Muhammad Burhan Janjua; Bassel Diebo; Michael Gerling (Brooklyn Heights, NY)

SPINE

1825. Functional Status Outcomes in Single-Dose versus Fractionated Stereotactic Body Radiation Therapy for Spinal Metastases

Christine Park; Vikram Mehta, MD, MPH; Luis Ramirez, MPH; Elizabeth Howell, BS; Tara Dalton, BS; John Kirkpatrick, MD, PhD; Scott Floyd, MD, PhD; Muhammad Abd-El-Barr, MD, PhD; Isaac Karikari, MD; Jordan Torok, MD; Rory Goodwin, MD, PhD (Las Vegas, NV)

SPINE

1829. Geographic Variability in Neurosurgeon Reimbursement for Common Spine Procedures 2000-2019

Jordan R Pollock; Jack Haglin, BS; Kent Richter, BS; Rohin Singh, BS; Jakub Godzik, MD; Naresh Patel, MD (Scottsdale, AZ)

SPINE

1830. Healthcare Lobbying, Political Action Committees, and Spine Surgery

Richard Menger, MD MPA; Thomas Shaw, PhD; Jaclyn Bunch, PhD; James Barry; Gerard Marciano; Austin Menger, MS; Anthony Martino, MD; Lawrence Lenke, MD; Michael Vitale, MD, MPH (Shreveport, LA)

SPINE

1831. Healthy Elective Spine Surgery Patients with Elevated Pre-operative Anxiety Send more Patient Portal Messages and Have More Post-Surgical Complications

Zachary Christian; Olusoji Afuwape, MD, PhD; Salah Aoun, MD; Kristen Hall, BS; Carlos Bagley (Dallas, TX)

SPINE

1832. High Radiation Emission Associated with Minimally Invasive Surgery for Adult Spinal Deformity Correction

Jakub Godzik, MD; Celene Mulholland, MD; Corey Walker, MD; Jay Turner, MD, PhD; Greg Mundis, MD; Robert Eastlack, MD (Phoenix, AZ)

SPINE

1833. High vs Low T1 Slope: Does it Affect Radiological and Functional Outcomes After Multilevel Posterior Fusion in Degenerative Cervical Spine.

Nida Fatima, MBBS; John Shin, MD (Boston, MA)

SPINE

1834. Hospital Utilization Following Anterior Cervical Discectomy and Fusion

David Mauler; Michael Mooney, MD; John Sheehy, MD; Udaya Kakarla, MD; Michael Bohl, MD (Scottsdale, AZ)

SPINE

1835. How Depression Affects Patient Outcomes Following Surgery For One-Level Spondylolisthesis: A Database Query And Review

Kevin N. Swong, MD; Kevin Swong, MD; Erica Bisson; Mohamad Bydon, MD; Steven Glassman; Kevin Foley, MD; Eric Potts, MD; Osama Kashlan, MD; Anthony Asher, MD; Praveen Mummaneni, MD; Andrew Chan, MD (Ann Arbor, MI)

SPINE

1837. Hypertrophic Scar Following Epidural Injections: Surgical Co-Morbidity and Challenges.

Christian G. Zimmerman, MD, FAANS, FACS; Ariana Garabedian, BS; Mackenzie Malach, BS (Boise, ID)

SPINE

1842. Immediate Post-Operative Clinical Outcome of Single Level Mini-Open Versus the Classic Posterolateral Lumbar Fixation

Mohamed Mohsen El Shimy; Mohamed Ali; Ehab El Refaee; Magdy Samra; Mostafa Kotb (Cairo, Egypt, Arab Rep.)

SPINE

1843. Immune Checkpoint Inhibitors Increase Overall Survival in Renal Cell Carcinoma Metastasis to the Spine

Dante L Pezzutti; Mark Damante, BS; Kristin Huntoon; Thomas Olencki, DO; Bradley Elder, MD (Westerville, OH)

SPINE

1845. Impact of Body-Mass Index on Clinical and Radiographic Outcomes Following Posterior Fusion Surgery in Degenerative Cervical Spine Disease.

Nida Fatima, MBBS; John Shin, MD (Boston, MA)

SPINE

1846. Impact of Dialysis on 30-Day Outcomes After Spinal Fusion Surgery for Pathologic Fractures: Insights from a National Quality Registry

Mohamad Bydon, MD, FAANS ; Mohammed Ali Alvi, MBBS; Jad Zreik, BS; Waseem Wahood, MS; Anshit Goyal, MBBS; Brett Freedman, MD; Arjun Sebastian, MD (Rochester, MN)

SPINE

1847. Impact of Nanoparticles Released From Total Disc Replacement Prostheses: Cobalt Nanoparticles Cause Major Platelet Aggregation in Vitro While Chromium Nanoparticles Induce Platelet Lysis in Vitro

Dominik Taterra; Bendik Skinningsrud; Kamil Krupa; Przemysław Pękala, MD, PhD; Krzysztof Tomaszewski (Krakow, Poland)

SPINE

1848. Impact of Race on All-Cause Mortality in Patients Diagnosed with a Primary Spine Tumor: A Study from Surveillance, Epidemiology, and End Results (SEER)

Aladine Abdalla Elsamadicy, BE, MD; Aladine Elsamadicy, MD; Isaac Freedman; Andrew Koo, BS; Wyatt David, MS; Megan Lee, BS; Adam Kundishora, MD; Ramana Gorrepati, MD; Gregory Kuzmik, MD; Luis Kolb, MD; Maxwell Laurans; Khalid Abbed, MD (New Haven, CT)

SPINE

1849. Impact of Race on Outcomes and Healthcare Costs following Spinal Fusion for Adolescent Idiopathic Scoliosis

Aladine Abdalla Elsamadicy, BE, MD; Aladine Elsamadicy, MD; Andrew Koo, MD; Adam Kundishora, MD; Wyatt David, MS; Isaac Freedman; Megan Lee, BS; Victor Lee, BS; Kristopher Kahle, MD, PhD; Michael DiLuna, MD (New Haven, CT)

SPINE

1850. Impact of Unplanned Readmissions (Medical or Surgical) on 3-month and 12-month Outcomes in Elective Surgery for Degenerative Lumbar Spine: A National Study of 33,189 Patients

Inamullah Khan; Scott Zuckerman, MD; Ahilan Sivaganesan, MD; Jacquelyn Pennings, PhD; Mohamad Bydon, MD; Anthony L. Asher, MD; Kristin R. Archer; Clinton J. Devin, MD (Nashville, TN)

SPINE

1851. Imposing Hyperostosis and Spinal Cord Compression Post Radiation Therapy

Christian G. Zimmerman, MD, FAANS, FACS; Mackenzie Malach, BS; Ariana Garabedian, BS (Boise, ID)

SPINE

1852. Improvement in Cervicogenic Headaches After Laminoplasty: A Single Institutional Study of 143 Adult Patients

Owoicho Adogwa, MD, MPH; Owoicho Adogwa; Daniel Riew, MD; Gaurang Gupte, MD; Max Shlykov, MD; Lukas Zebala, MD; Colleen Peters, MS; Jacob Buchowski, MD; Michael Kelly, MD (St. Louis, MO)

SPINE

1853. Improvements in Neck Pain and Disability Following C1-C2 Posterior Cervical Instrumentation and Fusion for Atlanto-Axial Osteoarthritis

Owoicho Adogwa, MD, MPH; Owoicho Adogwa; Owoicho Adogwa; Alex Sielatycki, MD; Maksim Shlykov, MD; Alekos Theologis, MD; James Lin, MD; Travis CreveCoeur, MD; Colleen Peters, MS; Jacob Buchowski, MD; Daniel Riew, MD (St. Louis, MO)

SPINE

1854. Improving clinical correlation of motor and sensory deficits using fractional anisotropy and tractography imaging in spinal cord injury patients

Ryan Vimukthie Sandarage; Fahad Alkherayf; Eve Tsai (Vancouver, Canada)

SPINE

1855. Incidence and Trends of Concurrent Hip Diagnoses for Aging Adolescent Idiopathic Scoliosis Patients

Peter Gust Passias; Cole Bortz; Katherine Pierce; Avery Brown, BS; Haddy Alas; Waleed Ahmad; Sara Naessig; Bassel Diebo; Shaleen Vira; Muhammad Burhan Janjua; Aaron Buckland (Brooklyn Heights, NY)

SPINE

1856. Incidence of Perioperative Cardiac Complications in Adult Spinal Deformity Patients Who Undergo Three Column Osteotomies for Correction of Thoracolumbar Deformity: Series of 390 Patients

Alexander Haddad; Darryl Lau, MD; Rushikesh Joshi, BS; Vedat Deviren, MD; Christopher Ames, MD (San Francisco, CA)

SPINE

1858. Increased Cautiousness in Adolescent Idiopathic Scoliosis Patients Concordant With Syringomyelia Fails to Improve Overall Patient Outcomes

Peter Gust Passias; Katherine Pierce, BS; Haddy Alas, BS; Avery Brown, BS; Cole Bortz, BA; Sara Naessig, BS; Burhan Janjua, MD; Jordan Manning, BA; Shaleen Vira; Aaron Hockley; Aaron Buckland; Peter Passias, MD (Brooklyn Heights, NY)

SPINE

1859. Increased Intra-Operative Blood Loss, Durotomies, And Complications With Longer Intra-Operative Time Spent During Spinal Fusion Regardless Of Number Of Vertebral Levels Involved

Luke Alan Mugge, MD; Luke Mugge, MD; Danielle Dang; John Dang, MD; Andrew Fanous (Falls Church, VA)

SPINE

1860. Increased Need For Spine Fusion Revision With Paradoxical Time To Construct Failure In Patients With Osteoporosis

Danielle D. Dang, MD; Luke Mugge, MD; John Dang, MD; Andrew Fanous, MD (Bethesda, MD)

SPINE

1861. Independent Associations with 30- and 90-day Unplanned Readmissions after Elective 2-3 Vertebrae Lumbar Spine Surgery: a National Trend Analysis of 22,214 Patients

Aladine Abdalla Elsamadicy, BE, MD; Aladine Elsamadicy, MD; Isaac Freedman; Andrew Koo, BS; Wyatt David, MS; Megan Lee, BS; Adam Kundishora, MD; Ramana Gorrepati, MD; Tariq Qureshi; Luis Kolb, MD; Maxwell Laurans; Khalid Abbed, MD (New Haven, CT)

SPINE

1862. Independent Patient Risk Factors Associated with Unplanned Return to OR and 30-Day Readmission Rates after Posterior Cervical Fusion for Cervical Spondylotic Myelopathy

Aladine Abdalla Elsamadicy, BE, MD; Aladine Elsamadicy, MD; Fouad Chouairi, BS; Andrew Koo, BS; Adam Kundishora, MD; Megan Lee, BS; Wyatt David, MS; Isaac Freedman; Ramana Gorrepati, MD; Luis Kolb, MD; Maxwell Laurans; Khalid Abbed, MD (New Haven, CT)

SPINE

1864. Influence of Gender on Discharge Disposition After Spinal Fusion for Adult Spine Deformity Correction

Aladine Abdalla Elsamadicy, BE, MD; Aladine Elsamadicy, MD; Isaac Freedman; Andrew Koo, BS; Wyatt David, MS; Adam Kundishora, MD; Ramana Gorrepati, MD; Christopher Hong, MD; Joaquin Camara-Quintana, MD; Luis Kolb, MD; Maxwell Laurans; Khalid Abbed, MD (New Haven, CT)

SPINE

1867. Institutional Review of In-Hospital and 30-Day Discharge Mortality in Neurosurgical Patients

Christine Park; Rasheedat Zakare-Fagbamila, MD; Wes Dickson, BSE; Oren Gottfried, MD (Las Vegas, NV)

SPINE

1868. Instrumentation Of The Lumbosacral Spine By The Sacral-Alar-Iliac Technique Can Reduce Screw Loosening Whilst Improving Gluteal Pain

Nico Sollmann; Sebastian Ille; Bernhard Meyer; Sandro Krieg (Munich, Germany)

SPINE

1869. Instrumented Posterolateral Transpedicular Approach is a Safe Alternative For Resection of Multilevel Ventral Intradural Schwannomas of the Thoracic Spine.

Carlos Goulart, MD; Shawn Rai, MD; Michael Galgano, MD (Syracuse, NY)

SPINE

1870. Integrated Interbody Fusion in Multi-level Cervical Constructs in Clinical Practice

Jason E. Garber, MD, FAANS (Las Vegas, NV)