George Maragkos, MD


  • George MaragkosPre-Residency Clinical Fellowship, Neurosurgery Department, Icahn School of Medicine at Mt. Sinai, New York, NY
  • Postdoctoral Research Fellowship, Neurosurgery Department, Harvard Medical School/Beth Israel Deaconess Medical Center, Boston, MA
  • School of Medicine, Aristotle University, Thessaloniki, Greece, M.D. degree with Honors


Peer-reviewed Publications

1. Maragkos GA, McNeill IT, Kessler R, Xie M, Schaefer S, Patel G, Bederson JB, Shrivastava RK. Letter: Comprehensive Neurosurgery Infection Prevention and Control Practice in the COVID-19 “Return to Operate” Era. Journal of Scientific Innovation in Medicine. 2021;4(2):33. doi: 10.29024/jsim.95
2. Maragkos GA, McNeill IT, Kessler R, Spock T, Del Signore A, Colley P, Govindaraj S, Iloreta AM, Morgenstern PF, Hadjipanayis CG, Bederson JB, Shrivastava RK. Reintroducing Endoscopic Skull Base Surgery During the COVID-19 Pandemic: A Single-Center Experience from the United States COVID-19 Epicenter. Journal of Scientific Innovation in Medicine. 2021;4(2):20. doi: 10.29024/jsim.94
3. Ascanio LC, Dmytriw AA, Chida K, Enriquez-Marulanda A, Mayeku J, Gupta R, Maragkos G, Alturki AY, Darbaz B, Thomas AJ, Ogilvy CS, Moore JM. Evaluation of the utility of early routine computed tomography angiography in subarachnoid hemorrhage patient outcomes. Journal of Clinical Neurosciences. 2021 Jul; 89:133-138. doi: 10.1016/j.jocn.2021.04.003. PMID: 34119256
4. Maragkos GA, Schüpper AJ, Lakomkin N, Sideras P, Price G, Baron R, Hamilton T, Haider S, Lee IY, Hadjipanayis CG, Robin AM. Fluorescence-Guided High-Grade Glioma Surgery More Than Four Hours After 5-Aminolevulinic Acid Administration. Frontiers of Neurology. 2021 Mar 9; 12:644804. doi: 10.3389/fneur.2021.644804. PMID: 33767664
5. Salem MM, Maragkos GA, Gomez-Paz S, Ascanio LC, Ngo LH, Ogilvy CS, Thomas AJ, Moore JM. Trends of Ruptured and Unruptured Aneurysms Treatment in the United States in Post-ISAT Era: A National Inpatient Sample Analysis. Journal of the American Heart Association. 2021 Feb 16;10(4):e016998. doi: 10.1161/JAHA.120.016998. Epub 2021 Feb 9. PMID: 33559478
6. Yuk FJ, Maragkos GA, Sato K, Steinberger J. Current innovation in virtual and augmented reality in spine surgery. Ann Transl Med. 2021 Jan;9(1):94. doi: 10.21037/atm-20-1132. PMID: 33553387
7. Maragkos GA, Filippidis AS, Chilamkurthy S, Salem MM, Tanamala S, Gomez-Paz S, Rao P, Moore JM, Papavassiliou E, Hackney D, Thomas AJ. Automated Lateral Ventricular and Cranial Vault Volume Measurements in 13,851 Patients Using Deep Learning Algorithms. World Neurosurgery. 2021 Apr; 148:e363-e373. doi: 10.1016/j.wneu.2020.12.148. PMID: 33421645
8. Marcus C, Maragkos GA, Alterman RL, Uhlmann E, Pihan G, Varma H. GCB-type is a favorable prognostic factor in primary CNS diffuse large B-cell lymphomas. Journal of Clinical Neuroscience. 2021 Jan; 83:49-55. doi: 10.1016/j.jocn.2020.11.031. PMID: 33339691
9. Baron RB, Neifert SN, Martini ML, Maragkos GA, McNeill IT, Lamb C, Rasouli JJ, Caridi JM. A Comparison of Outcomes for Spinal Trauma Patients at Level I and Level II Centers. Clin Spine Surg. 2021 May 1; 34(4):153-157. doi: 10.1097/BSD.0000000000001074. PMID: 33044272.
10. Kan P*, Maragkos GA*, Srivatsan A, Srinivasan V, Johnson J, Burkhardt JK, Robinson TM, Salem MM, Chen S, Riina HA, Tanweer O, Levy EI, Spiotta AM, Kasab SA, Lena J, Gross BA, Cherian J, Cawley CM, Howard BM, Khalessi AA, Pandey AS, Ringer AJ, Hanel R, Ortiz RA, Langer D, Kelly CM, Jankowitz BT, Ogilvy CS, Moore JM, Levitt MR, Binning M, Grandhi R, Siddiq F, Thomas AJ. Middle Meningeal Artery Embolization for Chronic Subdural Hematoma: A Multi-Center Experience of 154 Consecutive Embolizations. Neurosurgery. 2021 Jan 13; 88(2):268-277. doi: 10.1093/neuros/nyaa379. PMID: 33026434.
*These two authors contributed equally.
11. Rothrock RJ, Maragkos GA, Schupper AJ, McNeill IT, Oermann EK, Yaeger KA, Gilligan J, Bederson JB, Mocco JD. By the Numbers Analysis of Effect of COVID-19 on a Neurosurgical Residency at the Epicenter. World Neurosurg. 2020 Oct;142:e434-e439. doi: 10.1016/j.wneu.2020.07.063. PMID: 32688039
12. Yaeger KA, Fifi JT, Lara-Reyna J, Rossitto C, Ladner T, Yim B, Hardigan T, Maragkos GA, Shigematsu T, Majidi S, Mocco J. Initial Stroke Thrombectomy Experience in New York City during the COVID-19 Pandemic. AJNR American Journal of Neuroradiology. 2020 Aug; 41(8):1357-1360. doi: 10.3174/ajnr.A6652. PMID: 32616582
13. Maragkos GA, Nelton EB, Richter S, Stippler M. Low Risk of Traumatic Intracranial Hematoma Expansion with Factor Xa Inhibitors without Andexanet Reversal. World Neurosurgery. 2020 Oct; 142:e95-e100. doi: 10.1016/j.wneu.2020.06.069. PMID: 32561488
14. Ogilvy CS, Gomez-Paz S, Kicielinski KP, Salem MM, Maragkos GA, Lee M, Vergara-Garcia D, Rojas R, Moore JM, Thomas AJ. Women With First-Hand Tobacco Smoke Exposure Have a Higher Likelihood of Having an Unruptured Intracranial Aneurysm Than Nonsmokers: A Nested Case-Control Study. Neurosurgery. 2020 Jun 10: nyaa227. doi: 10.1093/neuros/nyaa227. PMID: 32521003 [Epub ahead of print]
15. Ascanio LC, Enriquez-Marulanda A, Maragkos GA, Salem MM, Alturki AY, Ravindran K, Fehnel CR, Hanafy KA, Ogilvy CS, Thomas AJ, Moore JM. In Reply: Effect of Blood Pressure Variability During the Acute Period of Subarachnoid Hemorrhage on Functional Outcomes. Neurosurgery. 2020 Sep 1;87(3):E430-E431. doi: 10.1093/neuros/nyaa238. PMID: 32511701.
16. Burkhardt JK, Srinivasan V, Srivatsan A, Albuquerque F, Ducruet AF, Hendricks B, Gross BA, Jankowitz BT, Thomas AJ, Ogilvy CS, Maragkos GA, Enriquez-Marulanda A, Crowley RW, Levitt MR, Kim LJ, Griessenauer CJ, Schirmer CM, Dalal S, Piper K, Mokin M, Winkler EA, Abla AA, McDougall C, Birnbaum L, Mascitelli J, Litao M, Tanweer O, Riina H, Johnson J, Chen S, Kan P. Multicenter Postmarket Analysis of the Neuroform Atlas Stent for Stent-Assisted Coil Embolization of Intracranial Aneurysms. AJNR American Journal of Neuroradiology. 2020 Jun; 41(6):1037-1042. doi: 10.3174/ajnr.A6581. PMID: 32467183
17. Maragkos GA, Cordell S, Gomez-Paz S, Dodge LE, Salem MM, Ascanio LC, DiNobile D, Alturki AY, Moore JM, Ogilvy CS, Thomas AJ. Endovascular Treatment Improves Headaches in Patients with Unruptured Intracranial Aneurysms. World Neurosurgery. 2020 May 7; doi: 10.1016/j.wneu.2020.04.206. PMID: 32387783
18. Thomas AJ, Ascanio-Cortez L, Gomez S, Salem M, Maragkos G, Hanafy KA. Defining the Mechanism of Subarachnoid Hemorrhage-Induced Pyrexia. Neurotherapeutics. 2020 Jul; 17(3):1160-1169. doi: 10.1007/s13311-020-00866-x. PMID: 32372402
19. Gomez-Paz S, Salem MM, Maragkos GA, Ascanio LC, Enriquez-Marulanda A, Lee M, Kicielinski KP, Moore JM, Thomas AJ, Ogilvy CS. Role of aspirin and statin therapy in patients with cerebral cavernous malformations. Journal of Clinical Neurosciences. 2020 Aug; 78:246-251. doi: 10.1016/j.jocn.2020.04.012. PMID: 32340842
20. Maragkos GA, Moore JM. Commentary: George Chance and Frank Holdsworth: Understanding Spinal Instability and the Evolution of Modern Spine Injury Classification Systems. Neurosurgery. 2020 Jun 1; 86(6):E517-E518. doi: 10.1093/neuros/nyaa082. PMID: 32297627 21. Ascanio LC, Enriquez-Marulanda A, Maragkos GA, Salem MM, Alturki AY, Ravindran K, Fehnel CR, Hanafy K, Ogilvy CS, Thomas AJ, Moore JM. Effect of Blood Pressure Variability During the Acute Period of Subarachnoid Hemorrhage on Functional Outcomes. Neurosurgery. 2020 Sep 15;87(4):779-787. doi: 10.1093/neuros/nyaa019. PMID: 32078677
22. Maragkos GA, Gomez-Paz S, Salem MM, Baum P, Arle J. Non-Invasive Trial Testing for Trigeminal Branch Stimulation to Treat Refractory Trigeminal Neuropathic Pain: A Technical Note. Interdisciplinary Neurosurgery. 2020, May 19; 10.1016/j.inat.2020.100767
23. Maragkos GA, Penumaka A, Ahrendsen JT, Salem MM, Nelton EB, Alterman RL. Factors Affecting the Diagnostic Yield of Frame-Based Stereotactic Intracranial Biopsy. World Neurosurgery. 2020 Mar; 135:e695-e701. doi: 10.1016/j.wneu.2019.12.102. PMID: 31883483
24. Maragkos GA, Motiei-Langroudi R, Pihan G, Wong ET, Papavassiliou E. Nerve Root Biopsy in Intramedullary Spinal Cord Lymphoma: Technical Note and Case Report. Interdisciplinary Neurosurgery. 2020, Mar; 19:100599. doi: 10.1016/j.inat.2019.100599
25. Gomez-Paz S, Maragkos GA, Salem MM, Ascanio LC, Lee M, Enriquez-Marulanda A, Orrego-Gonzalez E, Kicielinski K, Moore JM, Ogilvy CS, Thomas AJ. Symptomatic Hemorrhage From Cerebral Cavernous Malformations: Evidence from a Cohort Study. World Neurosurgery. 2020 Mar; 135:e477-e487. doi: 10.1016/j.wneu.2019.12.035. PMID: 31843731
26. Maragkos GA, Dmytriw AA, Salem MM, Tutino VM, Meng H, Cognard C, Machi P, Krings T, Mendes Pereira V. Overview of Different Flow Diverters and Flow Dynamics. Neurosurgery. 2020 Jan 1; 86(Suppl 1):S21-S34. doi: 10.1093/neuros/nyz323. PMID: 31838536
27. Maragkos GA, Thomas AJ. Commentary: Antiplatelet Therapy in Flow Diversion. Neurosurgery 2020 Jan 1; 86(Suppl 1):S53-S54. doi: 10.1093/neuros/nyz416. PMID: 31838525
28. Maragkos GA, Motiei-Langroudi R, Arle J. Safety and Efficacy of the VariLift-C® Cervical Standalone Interbody Fusion Device with emphasis on Multiple-Level and Prior Fusion Cases. Cureus. 2019 Oct 10; 11(10):e5885. doi: 10.7759/cureus.5885. PMID: 31772855
29. Enriquez-Marulanda A, Moore JM, Alturki AY, Salem MM, Ascanio LC, Maragkos GA, Ravindran K, Gomez-Paz S, Ogilvy CS, Thomas AJ. Effect of Premorbid Antiplatelet Medication Use on Delayed Cerebral Ischemia after Aneurysmal Subarachnoid Hemorrhage: A Propensity Score-Matched Study. Cureus 2019, Sep 9; 11(9):e5603. doi: 10.7759/cureus.5603. PMID: 31700716
30. Maragkos GA, Motiei-Langroudi R, Filippidis AS, Glazer PA, Papavassiliou E. Factors Predictive of Adjacent Segment Disease after Lumbar Spinal Fusion. World Neurosurgery. 2020 Jan; 133:e690-e694. doi: 10.1016/j.wneu.2019.09.112. PMID: 31568911
31. Maragkos GA, Papavassiliou E. Commentary: Thoracolumbar Vertebral Column Resection With Rectangular Endplate Cages Through a Posterior Approach: Surgical Techniques and Early Postoperative Outcomes. Operative Neurosurgery (Hagerstown). 2020 Mar 1; 18(3):E68-E69. doi: 10.1093/ons/opz275. PMID: 31529058
32. Maragkos GA, Atesok K, Papavassiliou E. Prognostic Factors for Adjacent Segment Disease after L4-L5 Single-Level Posterior Lumbar Fusion. Neurosurgery 2019. Jun 27; nyz241. doi: 10.1093/neuros/nyz241. PMID: 31245812
33. Maragkos GA, Davanzo JR, Roberts SM, Zacharia BE. Paradoxical Air Embolism without Patent Foramen Ovale during Craniotomy in the Sitting Position. Cureus 2019 Apr; 11(4):e4355. PMID: 31192060
34. Zammar S, Maragkos GA, Simon S. Y-Shaped LVIS Stent-Assisted Coiling of Anterior Communicating Artery Aneurysms. A Case Series. Cureus 2019, Mar; 11(3):e4271. PMID: 31157133
35. Dmytriw AA, Maragkos G, Zuccato J, Singh J, Wilcox ME, Schweikert S. Use of Antiepileptic Drugs in Subarachnoid Hemorrhage. The Canadian Journal of Neurological Sciences 2019 Jul; 46(4):423-429. PMID: 31113497
36. Maragkos G, Ascanio LC, Salem MM, Gopakumar S, Gomez S, Enriquez-Marulanda A, Jain A, Schirmer CM, Foreman P, Griessenauer CJ, Kan P, Ogilvy CS, Thomas AJ. Predictive Factors of Incomplete Aneurysm Occlusion after Endovascular Treatment with the Pipeline Embolization Device. Journal of Neurosurgery 2019 Apr 26; 1-8. PMID: 31026827
37. Enriquez-Marulanda A, Salem M, Maragkos GA, Ascanio LC, Gupta R, Moore JM, Thomas AJ, Ogilvy CS, Alturki AY. No Differences in Effectiveness and Safety Between Pipeline Embolization Device and Stent-Assisted Coiling for the Treatment of Communicating Segment Internal Carotid Artery Aneurysms. The Neuroradiology Journal. 2019 Oct; 32(5):344-352. doi: 10.1177/1971400919845368. PMID: 30998116
38. Maragkos GA, Alturki AY, Greenstein PE, Enriquez-Marulanda A, Kicielinski K, Moore JM, Ogilvy CS, Thomas AJ. Percutaneous Transverse Sinus Cannulation for Dural Arteriovenous Fistula Coiling: Operative Video. World Neurosurgery 2019 Jul; 127:335 PMID: 30995549
39. Maragkos GA, Thomas AJ. Commentary: Minimally Invasive Parafascicular Surgery for Resection of Cerebral Cavernous Malformations Utilizing Image-Guided BrainPath System. Operative Neurosurgery (Hagerstown). 2019 Oct 1; 17(4):E141-E142. doi: 10.1093/ons/opz033. PMID: 30873563
40. Maragkos GA, Motiei-Langroudi R, Filippidis AS, Papavassiliou E. Intracranial Hypertension after Chiari decompression resolving after removal of Levonorgestrel-Releasing Intrauterine Device. Journal of Neurosurgery, 2018 Oct; 1:1-4. PMID: 30497211
41. Maragkos GA, Geropoulos G, Kechagias K, Ziogas IA, Mylonas KS. Quality of Life After Epilepsy Surgery in Children: A Systematic Review and Meta-Analysis. Neurosurgery. 2019 Dec 1; 85(6):741-749. doi: 10.1093/neuros/nyy471. PMID: 30335182
42. Maragkos GA, Enriquez-Marulanda A, Salem MM, Ascanio LC, Chida K, Gupta R, Alturki AY, Kicielinski KP, Ogilvy CS, Moore JM, Thomas AJ. Proposal of a Grading System for Predicting Discharge Mortality and Functional Outcome in Patients with Aneurysmal Subarachnoid Hemorrhage. World Neurosurgery, 2019 Jan; 121:e500-e510. PMID: 30268551
43. Salem MM, Maragkos GA, Enriquez-Marulanda A, Ascanio LC, Ravindran K, Alturki AY, Ogilvy CS, Thomas AJ, Moore JM. Statin Therapy and Diabetes Do Not Affect Aneurysm Occlusion Following Pipeline Embolization Device Treatment. World Neurosurgery, 2018 Dec; 120:e525-e532. PMID: 30149155
44. Gupta R, Ogilvy CS, Moore JM, Griessenauer C, Enriquez-Marulanda A, Leadon M, Adeeb N, Ascanio LC, Maragkos GA, Jain A, Schmalz P, Alturki AY, Kicielinski KP, Schirmer C. Proposal of a Follow-Up Imaging Strategy Following Pipeline Flow Diversion Treatment of Intracranial Aneurysms. Journal of Neurosurgery, 2018 Jul; 1:1-8. PMID: 30004284
45. Enriquez-Marulanda A, Ascanio LC, Salem MM, Maragkos GA, Jhun R, Alturki AY, Moore JM, Ogilvy CS, Thomas AJ. Accuracy and Safety of External Ventricular Drain Placement by Physician Assistants and Nurse Practitioners in Aneurysmal Acute Subarachnoid Hemorrhage. Neurocritical Care, 2018 Dec; 29(3):435-442. PMID: 29949011
46. Maragkos GA, Ascanio LC, Chida K, Boone MD, Ogilvy CS, Thomas AJ, Kasper EM. Moyamoya Disease in Pregnancy. A Systematic Review. Acta Neurochirurgica, 2018 Sep; 160(9):1711-1719. PMID: 29915888
47. Maragkos GA, Papavassiliou E, Stippler M, Filippidis AS. Civilian Gunshot Wounds to the Head. Prognostic Factors Affecting Mortality. Meta-Analysis of 1774 Patients. Journal of Neurotrauma, 2018 Nov; 35(22):2605-2614. PMID: 29877141
48. Ascanio LC, Maragkos GA, Young BC, Boone MD, Kasper EM. Spontaneous Intracranial Hemorrhage in Pregnancy: A Systematic Review of the Literature. Neurocritical Care, 2019 Feb; 30(1):5-15. PMID: 29476390
49. Kasper EM, Ippen FM, Maragkos GA, Anderson MP, Rojas R, Mahadevan A. Tanycytic ependymoma of the brain stem, presentations of rare cystic disease variants and review of literature. Journal of Neurosurgical Sciences, 2018 Feb; 62(1):78-88. PMID: 28884561
50. Filippidis AS, Conroy TJ, Maragkos GA, Holsapple JW, Davies KG. Intraocular Silicone Oil Migration into the Ventricles Resembling Intraventricular Hemorrhage: Case Report and Review of the Literature. World Neurosurgery, 2017 Jun; 102:695.e7-695.e10. PMID: 28385656