Sedat Ulkatan

Graduated from Ankara University Medical Faculty and did Neurology residency in the same Institute.  IOM director of Mount Sinai West Hospital in Mount Sinai health system. Did fellowship in the same department and worked as an IOM Specialist.

Collaborates with ISIN and other centers in Europe for IOM research. Runs a fellowship program which is established by Dr. Vedran Deletis In New York.

Work History


Roosevelt Hospital , New York

Since 2008

IOM specialist

Roosevelt Hospital,  New York

Since 2006

IOM fellow

Roosevelt Hospital , New York


Neurology Specialist

Kirikkale University, Kirikkale,Turkey



Neurology Resident

Ankara University,  Ankara Turkey



    Ankara University, Ankara Turkey


Peer reviewed published articles.



Catherine F. Sinclair, MD ; Maria J. Tellez, MD; Oscar R. Tapia, MD; Sedat Ulkatan, MD

The Laryngoscope. Contralateral R1 and R2 Components of the Laryngeal Adductor

Reflex in Humans Under General Anesthesia. Laryngoscope, 2017 (article  accepted) 


Sinclair C, Ulkatan S, Tellez M, Tapia O, Deletis  V , A novel methodology for assessing laryngeal and vagus nerve integrity in patients under general anesthesia


Feasibility of eliciting the H reflex in the masseter muscle in patients under general anesthesia.

Ulkatan S, Jaramillo AM, Téllez MJ, Goodman RR, Deletis V.  Clin Neurophysiol. 2017 Jan;128(1):123-127


Ulkatan S, Jaramillo AM, Téllez MJ, Kim J, Deletis V, Seidel K. Incidence of intraoperative seizures during motor evoked potential monitoring in a large cohort of patients undergoing different surgical procedures. J Neurosurg. 2016 Jun 24:1-7.


Téllez MJ., Ulkatan S, Urriza J,  Arranz-Arranz B, Deletis V. Neurophysiological mechanism of possible confounding peripheral activation of the facial nerve during corticobulbar tract monitoring. Clin Neurophysiol. 2016 Feb;127(2):1710-6.


Urriza J., Arranz-Arranz B.; Ulkatan S., Téllez,MJ., Deletis V. Integrative action of axon's membrane explored by trains of sub threshold stimuli applied to the peripheral nerve. Clin Neurophysiol. 2016 Feb;127(2):1707-9.


Urriza J, Ulkatan S, Deletis V. Shuffle the puzzle: Spinal motor-evoked potentials vs. 50-Hz artifact.Asian Cardiovasc Thorac Ann. 2015 Jul;23(6):754-5.


Malcharek MJ, Kulpok A, Deletis V, Ulkatan S, Sablotzki A, Hennig G, Gille J, Pilge S, Schneider G.

Intraoperative Multimodal Evoked Potential Monitoring During Carotid Endarterectomy: A Retrospective Study of 264 Patients. Anesth Analg. 2015 Jun;120(6):1352-60.


Eric Azabou, Veronique Manel, Kariman Abelin-Genevois,Nathalie Andre-Obadia, Vincent Cunin, Christophe Garin,Remi Kohler, Jérome Berard, Sedat Ulkatan, Predicting intraoperative feasibility of combined TES-mMEP and cSSEP monitoring during scoliosis surgery based on preoperative neurophysiological assessment. The  Spine Journal 2014 Jul 1;14(7):1214-20.


Alcantara S, Wuamett J, Lantis J, Ulkatan S, Bamberger P, Mendes D,Benvenisty A, Todd G, Outcomes of combined Somatosensory-evoked Potential, Motor-evoked Potential, and Electroencephalography Monitoring During Carotid Endarterectomy, Annals of Vascular Surgery;2014 Apr;28(3):665-72.

Ulkatan S, Waner M, Arranz-Arranz B, Weiss I, O TM, Saral M, Deletis V, Berenstein A.New methodology for facial nerve monitoring in extracranial surgeries of vascular malformations. Clin Neurophysiol. 2014 Apr;125(4):849-55.

M.J. Malcharek , S. Ulkatan , V. Marinò , M. Geyer , E. LLadó-Carbó , G. Perez-Fajardo , B. Arranz-Arranz , J. Climent , F. Aloj , E. Franco , L. Chiacchiari , A. Kulpok , A. Sablotzki , G. Hennig ,V. Deletis. Intraoperative monitoring of carotid endarterectomy by transcranial motor evoked potential: A multicenter study of 600 patients. Clin Neurophysiol. 2013 May;124(5):1025-30

Fernández-Conejero I, Ulkatan S, Sen C, Deletis V Intra-operative neurophysiology during microvascular decompression for hemifacial spasm.. Clin Neurophysiol. 2012 Jan;123(1):78-83. Epub 2011 Dec 1. Review.

Bamberger PD, Ulkatan S, Carbó EL, Deletis V, Benvenisty A. Potential adverse effects of norepinephrine on cortical somatosensory-evoked potentials during carotid endarterectomy: a case report..J Clin Anesth. 2011 Dec;23(8):657-60

Deletis V, Fernández-Conejero I, Ulkatan S, Rogić M, Carbó EL, Hiltzik D. Methodology for intra-operative recording of the corticobulbar motor evoked potentials from cricothyroid muscles. Clin Neurophysiol 2011 Sep;122(9):1883-9

Yanni DS, Ulkatan S, Deletis V, Barrenechea IJ, Sen C, Perin NI.Utility of neurophysiological monitoring using dorsal column mapping in intramedullary spinal cord surgery. J Neurosurg Spine. 2010 Jun;12(6):623-8.

Deletis V, Urriza J, Ulkatan S, Fernandez-Conejero I, Lesser J, Misita D.The feasibility of recording blink reflexes under general anesthesia. Muscle Nerve. 2009 May;39(5):642-6

Deletis V, Fernandez-Conejero I, Ulkatan S, Costantino P.Methodology for intraoperatively eliciting motor evoked potentials in the vocal muscles by electrical stimulation of the corticobulbar tract. Clin Neurophysiol. 2009 Feb;120(2):336-41

Téllez MJ, Ulkatan S. Neurophysiological evaluation of trigeminal and facial nerves in patients with chronic inflammatory demyelinating polyneuropathy. Muscle Nerve. 2008 Nov;38(5):1524-5;

Ulkatan S, Neuwirth M, Bitan F, Minardi C, Kokoszka A, Deletis V. Monitoring of scoliosis surgery with epidurally recorded motor evoked potentials (D wave) revealed false results. Clin Neurophysiol. 2006 Sep;117(9):2093-101. Epub 2006 Jul 17             

Birol A, Ulkatan S, Kocak M, Erkek E. Peripheral neuropathy in Behcet's disease.
J Dermatol. 2004 Jun;31(6):455-9

Erkek E, Hizel S, Sanli C, Erkek AB, Tombakoglu M, Bozdogan O, Ulkatan S, Akarsu C. Clinical and histopathological findings in Bannayan-Riley-Ruvalcaba syndrome. J Am Acad Dermatol. 2005 Oct;53(4):639-4

Tan FU, Cetinkaya H, Erden E, Ulkatan S, Aydin N. Dual benefit from intramuscular interferon-beta treatment in a patient with multiple sclerosis and chronic hepatitis-C virus infection. Hepatogastroenterology. 2002 Nov-Dec;49(48):1686-7

Akbostanci MC, Ulkatan S, Yigit A, Aydin N, Mutluer N. Difference of disability between electrophysiologic subgroups of essential tremor. Can J Neurol Sci. 2000 Feb;27(1):60-4.

Sener HO, Ulkatan S, Selcuki D. Effect of thigh flexion on somatosensory evoked potentials in meralgia paresthetica. Acta Neurol Belg. 1999 Sep;99(3):194-7.

Akbostanci MC, Yigit A, Ulkatan S. Cavernous angioma presenting with hemidystonia. Clin Neurol Neurosurg. 1998 Sep;100(3):234-7.


Published Book chapters


Vedran Deletis, Francesco Sala, Sedat Ulkatan  Section I: Transcranial electrical stimulation and intraoperative neurophysiology of the corticospinal tract , In  Eric Wassermann, Charles Epstein, Ulf Ziemann, Vincent Walsh, Tomás Paus, and Sarah Lisanby Oxford University Press, Handbook of Transcranial Stimulation. 2008