Gill Sviri

Gill Sviri, MD, MSC

Assistant Affiliate Member, Research Institute
Houston Methodist


Biography

Dr. Sviri graduated medical school at the Technion-Israel Institute of Technology. Dr. Sviri did his training in Neurosurgery in Haifa, Israel and did a clinical skull base and cerebrovascular fellowship at the University of Washington, where he is currently affiliated as assistant professor. Dr. Sviri is currently vice chairman in the department of neurosurgery at the Rambam (Maimonides) Health Care Campus in Haifa, Israel. The hospital provides Level I trauma services for more than 2 million north Israel residents. Dr. Sviri holds an appointment as a clinical assistant professor in neurosurgery at the Israel institute of Technology. He joined the Houston Methodist Research Institute Neurosciences Research Program in 2014 as an Assistant Affiliate Member.

Description of Research

Dr. Sviri’s research program focuses on clinical evaluation of cerebral blood flow and metabolism in traumatic brain injury and after spontaneous subarachnoid hemorrhage. His current research is focused on defining the relationship between cerebral autoregulation impairments and cerebral metabolism after traumatic brain injury. Dr. Sviri has studied and described the impact of cerebral vasospasm on blood flow to the brain stem and established a new transcranial Doppler grading criteria for posterior circulation vasospasm. Dr. Sviri has also described the appearance of cerebral vasospasm in a new imaging modality – the perfusion CT. The studies on TBI focused on evaluation of the time course for autoregulation recovery after severe traumatic brain injury, suggesting that some patients recovered their autoregulation early and some have a late recovery with an autoregulation paralysis for couple of weeks and more after the injury. Dr. Sviri also found that in severe traumatic brain injury the metabolic rate for oxygen is impaired as some of the patients have mild impairments and those with severe injury lost their ability to extract and to use oxygen.

Areas Of Expertise

Cerebral autoregulation Cerebral blood flow (CBF) Traumatic brain injury (TBI) Vasospasm
Education & Training

MSc, Bruce Rappaport Faculty of Medicine Technion-Israel Institute of Technology, Haifa
Publications

Management of Pediatric Orbital Fractures
Wolff, A, Ohayon, C, Emodi, O, Sviri, GE, Shapira, V & Rachmiel, A 2021, , The Journal of craniofacial surgery, vol. 32, no. 1, pp. 224-227. https://doi.org/10.1097/SCS.0000000000006915

Outcomes of pituitary apoplexy: a comparison of microadenomas and macroadenomas
Nakhleh, A, Assaliya Naffa, M, Sviri, G, Shehadeh, N & Hochberg, I 2021, , Pituitary. https://doi.org/10.1007/s11102-020-01124-1

Challenges in the treatment of breast cancer brain metastases: evidence, unresolved questions, and a practical algorithm
Meattini, I, Andratschke, N, Kirby, AM, Sviri, G, Offersen, BV, Poortmans, P & Kaidar Person, O 2020, , Clinical and Translational Oncology, vol. 22, no. 10, pp. 1698-1709. https://doi.org/10.1007/s12094-020-02333-7

Decompressive craniectomy in elderly patients with traumatic brain injury
Paldor, I, Peso, D & Sviri, GE 2020, , Journal of Clinical Neuroscience, vol. 78, pp. 269-272. https://doi.org/10.1016/j.jocn.2020.03.030

Spontaneous cerebellar hemorrhage carries a grim prognosis in both operated and unoperated patients
Sviri, GE, Hayek, S & Paldor, I 2020, , Journal of Clinical Neuroscience, vol. 78, pp. 121-127. https://doi.org/10.1016/j.jocn.2020.05.053

Disseminated pneumocephalus secondary to air compressor injury
Suisa, H & Sviri, G 2020, , Acta Neurochirurgica, vol. 162, no. 3, pp. 509-512. https://doi.org/10.1007/s00701-019-04184-w

Decreasing External Ventricular Drain-Related Infection Rates with Duration-Independent, Clinically Indicated Criteria for Drain Revision: A Retrospective Study
Katzir, M, Lefkowitz, JJ, Ben-Reuven, D, Fuchs, SJ, Hussein, K & Sviri, G 2019, , World neurosurgery. https://doi.org/10.1016/j.wneu.2019.07.205

Risk factors for meningitis in neurosurgical patients with cerebrospinal fluid drains: prospective observational cohort study
Hussein, K, Rabino, G, Feder, O, Eghbaryeh, H, Zayyad, H, Sviri, G, Benenson, R & Paul, M 2019, , Acta Neurochirurgica, vol. 161, no. 3, pp. 517-524. https://doi.org/10.1007/s00701-019-03801-y

Minimally Invasive Surgery for Resection of Parapharyngeal Space Tumors
Duek, I, Sviri, GE, Billan, S & Gil, Z 2018, , Journal of Neurological Surgery, Part B: Skull Base, vol. 79, no. 3, pp. 250-256. https://doi.org/10.1055/s-0037-1607315

Seasonal variation in spontaneous intracerebral hemorrhage in northern Israel
Telman, G, Sviri, GE, Sprecher, E, Amsalem, Y & Avizov, R 2017, , Chronobiology International, vol. 34, no. 5, pp. 563-570. https://doi.org/10.1080/07420528.2016.1278223

Combined endoscopic transcervical-transoral robotic approach for resection of parapharyngeal space tumors
Duek, I, Amit, M, Sviri, GE & Gil, Z 2017, , Head and Neck, vol. 39, no. 4, pp. 786-790. https://doi.org/10.1002/hed.24685

Intraspinal hypotension syndrome presents as transient quadriplegia
Katzir, M, Tov, S, Eran, A & Sviri, G 2016, , British Journal of Neurosurgery, pp. 1-3. https://doi.org/10.1080/02688697.2016.1244257

Response
Sviri, G 2016, , Journal of Neurosurgery, vol. 124, no. 3, pp. 886-887. https://doi.org/10.3171/2015.7.JNS151538

Intrathecal or intraventricular therapy for post-neurosurgical Gram-negative meningitis: Matched cohort study
Shofty, B, Neuberger, A, Naffaa, ME, Binawi, T, Babitch, T, Rappaport, ZH, Zaaroor, M, Sviri, G & Paul, M 2016, , Clinical Microbiology and Infection, vol. 22, no. 1, pp. 66-70. https://doi.org/10.1016/j.cmi.2015.09.023

Smart(phone) medicine
Katzir, M, Laarakker, AS, Sviri, GE & Zaaroor, M 2016, , Journal of Trauma and Acute Care Surgery, vol. 80, no. 1, pp. 171-172. https://doi.org/10.1097/TA.0000000000000891

Iatrogenic metastasis of a colloid cyst
Katzir, M, Attia, M, Sviri, G, Zaaroor, M & Abeshaus, S 2015, , Acta Neurochirurgica, vol. 157, no. 12, pp. 2201-2203. https://doi.org/10.1007/s00701-015-2554-x

Massive cerebral swelling immediately after cranioplasty, a fatal and unpredictable complication: Report of 4 cases
Sviri, GE 2015, , Journal of Neurosurgery, vol. 123, no. 5, pp. 1188-1193. https://doi.org/10.3171/2014.11.JNS141152

Risk factors associated with death or neurological deterioration among patients with Gram-negative postneurosurgical meningitis
Neuberger, A, Shofty, B, Bishop, B, Naffaa, ME, Binawi, T, Babich, T, Rappaport, ZH, Zaaroor, M, Sviri, G, Yahav, D & Paul, M 2016, , Clinical Microbiology and Infection, vol. 22, no. 6, pp. 573.e1-573.e4. https://doi.org/10.1016/j.cmi.2016.03.016

Uncal herniation in a fully conscious patient - The sliding uncus syndrome
Katzir, M, Attia, M, Sviri, G & Zaaroor, M 2015, , British Journal of Neurosurgery, vol. 29, no. 2, pp. 308-309. https://doi.org/10.3109/02688697.2014.977779

Treatment and Outcome of Patients with Skull Base Chordoma: A Meta-analysis
Amit, M, NaAra, S, Binenbaum, Y, Billan, S, Sviri, G, Cohen, JT & Gil, Z 2014, , Journal of Neurological Surgery, Part B: Skull Base, vol. 75, no. 6, pp. 383-390. https://doi.org/10.1055/s-0034-1376197