Prof. MD. Gökhan Akdemir

Education and Expertise

• 1988 Çukurova University Faculty of Medicine
• 1996 Numune Training and Research Hospital Neurosurgery Specialist
• 2010 Hacettepe University Institute of Health Sciences

Experience

• 2023 İSÜ Medical Park Gaziosmanpaşa
• 2022-2023 Acıbadem Healthcare Group Bakırköy Hospital
• 2020-2022 Türkiye Hospital
• 2019-2020 University of California, San Francisco (UCSF), San Francisco, California, USA
• 2018-2019 Acıbadem Healthcare Group International Hospital
• 2015-2018 Memorial Healthcare Group Şişli Hospital
• 2014-2015 University of California, San Francisco (UCSF), San Francisco, California, USA
• 2013-2013 University of California, San Francisco (UCSF), San Francisco, California, USA
• 2011-2015 Selçuk University Faculty of Medicine, Head of Neurosurgery Department, Professor
• 2006-2011 Mustafa Kemal University Faculty of Medicine, Head of Neurosurgery Department
• 2002-2006 Numune Training and Research Hospital Neurosurgery
• 2001-2002 Sadi Konuk Training and Research Hospital Chief of Neurosurgery
• 1999-2001 Numune Training and Research Hospital Neurosurgery Clinic Chief Assistant
• 1998-1999 Diyarbakır Military Hospital Neurosurgery Clinic Specialist, Lieutenant
• 1996-1998 Numune Training and Research Hospital Neurosurgery Clinic Chief Assistant

Courses and Certificates

• 2012 Yeditepe University, Istanbul Microsurgery - Prof. Dr. Gazi Yaşargil
• 2002 University of Florida, Gainesville, FL, USA Skull Base and Microanatomy - Prof. Dr. Albert L. Rhoton Jr.
• 1997 Krankenhaus Nordstadt, Hannover, Germany Skull Base and Peripheral Nerve Surgery - Prof. Dr. Madjid Samii
• 1995 University of Illinois at Chicago, Chicago, IL, USA Neurovascular Surgery, Stereotactic Surgery - Prof. Dr. James I. Ausman and Prof. Dr. Manuel Dujovny
• 1994 Hacettepe University, Faculty of Medicine, Ankara

Professional Memberships

• 2015 European Skull Base Society
• 2015 Turkish Skull Base Society
• 2013 Turkish Neuro-Oncology Society Founding Member
• 2009 Congress of Neurological Surgeons, USA
• 1998 Turkish Neurology Society
• 1997 Turkish Neuroscience Society
• 1996 Turkish Neurosurgery Society
• 1988 Turkish Medical Association

Articles Published in International Peer-Reviewed Journals (Uluslararası Hakemli Dergilerde Yayımlanan Makaleler)

1. Alex J. Smith, **Gokhan Akdemir**, Meetu Wadhwa, Dan Song, Alan S. Verkman. Application of fluorescent dextrans to the brain surface under constant pressure reveals AQP4-independent solute uptake. J Gen Physiol. 2021 Aug 2; 153(8): doi: 10.1085/jgp.202112898
2. Elmaci I, Altinoz MA, **Akdemir G**, Sari R, Baskan O, Ozpinar A, Hacker E, Sav A. Neurosurgical and neuro-immunological management of **IgG4- related hypertrophic sclerosing pachymeningitis**. A literature survey and discussion of a unique index case. Clin Neurol Neurosurg. 2021 Jan;200:106342. doi: 10.1016/j.clineuro.2020.106342
3. Ozdemir H, Sumer S, Karabagli H, **Akdemir G**, Caliskaner AZ, Artac H. B cell aplasia and hypogammaglobulinemia associated with **levetiracetam**. Ann Saudi Med. 2018 Jan-Feb;38(1):65-68. doi: 10.5144/0256-4947.2018.09.01
4. **Akdemir G**, Kaymaz F, Gursoy-Özdemir Y, Akalan N, Akdemir ES. The time course changes in expression of **aquaporin 4 and aquaporin 1** following global cerebral ischemic edema in rat. Surg Neurol Int. 2016 Jan 6;7:4. doi: 10.4103/2152-7806.173316.
5. **Akdemir G**, Ratelade J, Asavapanumas N, Verkman AS. Neuroprotective effect of **aquaporin-4 deficiency** in a mouse model of severe global cerebral ischemia produced by transient 4-vessel occlusion. Neurosci Lett. 2014 Jun 27;574:70-5. doi: 10.1016/j.neulet.2014.03.073. Epub 2014 Apr 6.
6. Koktekir E, Ceylan D, T atarli N, Karabagli H, Recber F, **Akdemir G**. Accuracy of **fluoroscopically- assisted pedicle screw placement**: analysis of 1,218 screws in 198 patients. Spine J. 2014 Aug 1;14(8):1702-8. doi: 10.1016/j.spinee.2014.03.044. Epub 2014 Apr 4.
7. Koktekir E, Koktekir BE, Karabagli H, Gedik S, **Akdemir G**. Resolution of **papilledema** after **endoscopic third ventriculostomy** versus cerebrospinal fluid shunting in **hydrocephalus**: a comparative study. J Neurosurg. 2014 Jun;120(6):1465-70. doi: 10.3171/2014.2.JNS132002. Epub 2014 Mar 28.
8. Gedik GK, Sari O, Köktekir E, **Akdemir G**. Fluorodeoxyglucose positron emission tomography computed tomography findings in a patient with **cerebellar mutism** after operation in posterior fossa. Asian J Surg. 2014 Mar 17. pii: S1015-9584(14)00021-9. doi: 10.1016/j.asjsur. 2014.01.004. [Epub ahead of print]
9. Koktekir E, Koktekir BE, Recber F, **Akdemir G**. Lung adenocarcinoma metastasis to frontal sinus mimicking **Pott's puffy tumor**. J Craniofac Surg. 2013 Nov;24(6):e538-9. doi: 10.1097SCS. 0b013e318285d98a.
10. Katada R, **Akdemir G**, Asavapanumas N, Ratelade J, Zhang H, Verkman AS. Greatly improved survival and **neuroprotection** in **aquaporin-4- knockout mice** following global cerebral ischemia. FASEB J. 2014 Feb;28(2):705-14. doi: 10.1096/fj.13-231274. Epub 2013 No1.
11. Kaptan H, Koktekir E, Recber F, **Akdemir G**. Obstructive **hydrocephalus** caused by giant **basilar artery aneurysm**. Neurosciences (Riyadh). 2013 Apr;18(2):173-5.
12. Koktekir E, T atarli N, Ceylan D, Koktekir BE, **Akdemir G**. Symptomatic **pneumorrhachis**. J Neural Surg A Cent Eur Neurosurg. 2014 Mar;75(2):140-5. doi: 10.1055/s-0032-1333123. Epub 2013 Feb 20. Review.
13. Berker D, Isik S, Aydin Y, Tutuncu Y, **Akdemir G**, Ozcan HN, Guler S. **Thyrotropin secreting pituitary adenoma** accompanying a silent **somatotropinoma**. Turk Neurosurg. 2011;21(3):403-7. doi: 10.5137/1019-5149.JTN.2642-09.2.
14. **Akdemir G**. **Thoracic and lumbar intraforaminal ligaments**. J Neurosurg Spine. 2010 Sep;13(3):351-5. doi: 10.3171/2010.3.SPINE09799.
15. Okay O, Daglioglu E, **Akdemir G**, Dalgic A, Uckun O, Atasoy S, Belen D. **Lateral orbitotomy approach** to **orbital tumors**: report of 10 cases. Turk Neurosurg. 2010 Apir; 20 (2): 167 - 72. doi: 10.5137/1019-5149.JTN.2620-09.2.
16. Yilmaz N, **Akdemir G**, Gezici AR, Basmaci M, Ergungor MF, Asalanturk Y, Beskonakli E, Ucar D. Electrophysiological and clinical assessment of response to surgery in **carpal tunnel**. Int J Neurosci. 2010 Apr;120(4):261-4. doi: 10.3109/00207451003615748.
17. Serarslan Y, Melek IM, Sangün O, Akçora B, **Akdemir G**. Macrocephaly and bitemporal **arachnoid cysts** not associated with **glutaric aciduria type I** in a child. Turk Neurosurg. 2008 Apr; 18(2):172-6.
18. Ergungor F, Daglioglu E, **Akdemir G**, Okay O, Dalgic A, Hatipoglu G. Delayed **chiasmal herniation** after transsphenoidal removal of a **pituitary adenoma** - case report. Neurol Neurochir Pol. 2008 Jan- Feb;42(1):60-3.
19. Serarslan Y, Melek IM, Duman T, Eraslan T, **Akdemir G**, Yalçin F. The co- occurrence of **Chiari type 1 malformation** with **syringomyelia** and total situs inversus. Med Sci Monit. 2007 Sep; 13(9):CS110-113.
20. **Akdemir G**, Dağlioğlu E, Seçer M, Ergüngör MF. **Hydatid cysts** of the internal acoustic canal and jugular foramen. J Clin Neurosci. 2007 Apr;14(4):394-6. Epub 2007 Jan 30.
21. **Akdemir G**, Ergüngör MF, Sezer M, Albayrak L, Dağlioğlu E, Kilinç K. Therapeutic efficacy of intraventricular **cyclosporine A and methylprednisolone** on a **global cerebral ischemia model** in rats. Neurol Res. 2005 Dec;27(8):827-34.
22. **Akdemir G**, Ergüngör F. Global cerebral ischemic findings in a woman who attempted to commit suicide by hanging. Ulus Travma Acil Cerrahi Derg. 2005 Jul;11(3):250-3. Turkish.
23. **Akdemir G**, T ekdemir I, Altin L. **Transethmoidal approach to the optic canal**: surgical and radiological microanatomy. Surg Neurol. 2004 Sep;62(3):268-74; discussion 274.
24. **Akdemir G**, Dağlioğlu E, Ergüngör MF. **Dermoid lesion of the cavernous sinus**: case report and review of the literature. Neurosurg Rev. 2004 Oct;27(4):294-8. Epub 2004 Apr 2. Review.
25. Ergün R, **Akdemir G**, Sen S, T aşçi A, Ergüngör F. **Neuroprotective effects of propofol** following global cerebral ischemia in rats. Neurosurg Rev. 2002 Mar;25(1-2):95-8.
26. Ergün R, **Akdemir G**, Gezici AR, T ezel K, Beskonakli E, Ergüngör F, T askin Y. Surgical management of **syringomyelia-Chiari complex**. Eur Spine J. 2000 Dec;9(6):553-7.
27. Ergün R, **Akdemir G**, Gezici AR, Kara C, Ergüngör F. **Craniocervical neurenteric cyst** without associated abnormalities. Pediatr Neurosurg. 2000 Feb;32(2):95-9.
28. Ergün R, Okten AI, **Akdemir G**, Beskonakli E, Gürsoy F, Taskin Y. **Cranio-cerebral erosion**: delayed diagnosis and treatment. Neurosurg Rev. 1998;21(4):249-53.
29. Ergün R, Bostanci U, **Akdemir G**, Beşkonakli E, Kaptanoğlu E, Gürsoy F, T aşkin Y. Prognostic value of **serum neuron-specific enolase levels** after **head injury**. Neurol Res. 1998 Jul 20(5): 418-20.
30. **Akdemir G**, Luer MS, Dujovny M, Misra M. Intraventricular **atrial natriuretic peptide** for acute **intracranial hypertension**. Neurol Res. 1997 Oct;19(5):515-20. Erratum in: Neurol Res 1997 Dec; 19(6):587.
31. Ergün R, Okten AI, **Akdemir G**, Beskonakli E. The value of **MR imaging** in prevention of unsuccessful **back surgery**. A case report. Acta Radiol. 1997 May;38(3):464-5.
32. Ergün R, Okten AI, Beşkonakli E, **Akdemir G**, T aşkin Y. Cervical **laminar exostosis** in multiple hereditary **osteochondromatosis**: anterior stabilization and fusion technique for preventing instability. Eur Spine J. 1997;6(4):267-9.
33. Başar H, Aydoğanli L, Yüksel M, Başar M, **Akdemir G**, Kaptanoğlu E. The outcome of urological findings in operated **tethered cord** patients. Int Urol Nephrol. 1997;29(2):167-71.