Research and Publications1. Tyagi G, Nadeem M, Beniwal M, Srinivas D. Micro-surgical Clipping of a Right Paraclinoid Aneurysm with a “Rescue” STA-MCA Bypass. Neurol India 2023;71:884-72. Tyagi G, Thombre B, Gohil D, R P, Prabhuraj AR, Pruthi N. The Use of Retraction Sutures in End-to-Side Microvascular Anastomosis - A Novel Technical Innovation in Experimental Rat Femoral Model with Successful Use in STA-MCA Bypass in MoyaMoya Disease. World Neurosurg. 2023 Apr 12:S1878- 8750(23)00505-3. doi: 10.1016/j.wneu.2023.04.024. PMID: 37059358.3. Tyagi G, Uppar AM, Pruthi N, Shukla D. Minimally invasive foramen magnum decompression using tubular retractors (MIFT) for Chiari I malformations. Acta Neurochir (Wien). 2023 Jan 10. doi: 10.1007/s00701-023-05490-0. Epub ahead of print. PMID: 36625908.4. Tyagi, G., Deora, H., Singh, G. J., Beniwal, M., & Srinivas, D. (2022). Combined Posterior Transpetrosal: Presigmoid and Subtemporal Resection of a Large Petroclival Meningioma. Neurology India, 70(5), 1800-1802.5. Birua GJ, Sikaria A, Tyagi G, Beniwal M, Srinivas D. A Giant Thrombosed Vertebrobasilar Artery System Aneurysm Mimicking Brainstem Lesion. Neurol India 2022;70:1738-96. Birua GJ, Tyagi G, Beniwal M, Srinivas D. Pure Artery Malformation of Posterior Cerebral Artery with Dysplastic Internal Carotid Artery. Neurol India 2022;70:1287-8 7. Birua GJS, Tyagi G, Beniwal M, Srinivas D, Rao S. Large Parenchymal Perianeurysmal Cyst: A Case Report. J Neurosci Rural Pract. 2021 Sep 7;12(4):800- 803. doi:10.1055/s-0041-1735243. PMID: 34737520; PMCID: PMC8559064. 8. S Birua GJ, Tyagi G, Beniwal M, L Rao NKV, Saini J, Dwarakanath S. Delayed Vasospasm in Endoscopic Transsphenoidal Pituitary Surgery: Two Case Reports andReviews. Neurol India. 2022 May-Jun;70(3):996-1003. doi: 10.4103/0028-3886.349613. PMID: 35864631.9. Tyagi G, Kulanthaivelu K, Saini J, Gowda A, Srinivas D. Acute Endovascular Management of a Ruptured Choroidal Artery Arteriovenous Malformation in a Peripartum COVID-19-Positive Patient. Indian Journal of Neurosurgery. 2022 Jan 5.10. Tyagi G, S A S, K, Kandregula S, Mhatre R, Uppar A, M: Sella Bugged! Abscess Inside a Craniopharyngioma: Case Report with Literature Review. Pediatr Neurosurg 2022. doi: 10.1159/00052397711. Moolchandani, S., Tyagi, G., Yagnick, N., Sinha, S., & Mehta, V. S. A Cervical Nerve Root Cavernoma–Atypical Presentation With Diagnostic Dilemma. International Clinical Neuroscience Journal, 10(1), e2-e2.12. Tyagi G, Singh G, J, Beniwal M, Srinivas D: Xanthogranulomatous Colloid Cyst in a 13-Year-Old Boy: A Case Report and Surgical Implications. Pediatr Neurosurg 2022. doi: 10.1159/00052448013. Srinivas D, Tyagi G, Singh GJ. Shunt Implants - Past, Present and Future. Neurol India. 2021 Nov-Dec;69(Supplement):S463-S470. doi: 10.4103/0028-3886.332263. PMID: 35103003.14. Tyagi G, Gohil D, Singh Birua GJ, Prabhuraj AR, Pruthi N. Toe-First Technique for End to Side Microvascular Anastomosis. World Neurosurg. 2021 Jul 27;154:73-77. doi: 10.1016/j.wneu.2021.07.091. Epub ahead of print.15. Tyagi G, Patel KR, Singh GJ, Uppar AM, Beniwal M, Rao KVLN, Pruthi N, Bhat D, Somanna S, Chandramouli B, Dwarakanath S. Anterior Odontoid Screw Fixation for C2 Fractures: Surgical Nuances, Complications, and Factors Affecting Fracture Union. World Neurosurg. 2021 Aug;152:e279-e288. doi: 10.1016/j.wneu.2021.05.077.16. Tyagi G, Singh GJ, Beniwal M, Srinivas D. Management of a Persistent Oblique Occipital Sinus with Staged Ligation in a Case of Medulloblastoma: A Case Report. Pediatr Neurosurg. 2021 Jul 15:1-5. doi: 10.1159/000517214.17. Tyagi G, Sikaria A, Birua GJS, Beniwal M, Srinivas D. Surgical management of simultaneous supra- and infratentorial hemorrhages in a pediatric patient with multiple cavernomas. J Cerebrovasc Endovasc Neurosurg. 2022 Sep;24(3):262-266. doi: 10.7461/jcen.2022.E2021.08.001.18. Deora H, Dange P, Patel K, Shashidhar A, Tyagi G, Pruthi N, Arivazhagan A, Shukla D, Dwarakanath S. Management of neurosurgical cases in a tertiary care referral hospital during the COVID-19 pandemic: Lessons from a middle-income country. World Neurosurg. 2021;148:e197-e208. doi:10.1016/j.wneu.2020.12.111.19. Pruthi N, Tyagi G, Gohil D. End-to-side microvascular anastomosis on rat femoral vessels using only 2-throw knot interrupted sutures: Evaluation of feasibility and patency rates on rat femoral vessels model. World Neurosurg. 2021;148:e145-e150. doi:10.1016/j.wneu.2020.12.078.20. Tyagi G, Singh P, Bhat DI, Shukla D, Pruthi N, Devi BI. Trapped fourth ventricle treatment options and the role of open posterior fenestration in the surgical management. Acta Neurochir (Wien). 2020;162(10):2441-2449. doi:10.1007/s00701-020-04352-3.21. Tyagi G, Singh V, Shashidhar A. An unusual case of penetrating skull injury. Interdiscip Neurosurg. 2020;21:100701. 10.1016/j.inat.2020.100701.22. Rao S, Chavali P, Tyagi G, Savardekar A, Saini J, Mahadevan A. An unusual occurrence of melanotic neuroectodermal tumor of infancy with malignant features. Int J Neurooncol. 2019. doi:10.4103/ijno.ijno_17_19.23. Tyagi G, Sadashiva N, Konar S, Gowda A, Saini J, Shukla D, Devi BI. Persistent trigeminal artery – A review of clinical features and anatomical classification. World Neurosurg. 2019. doi:10.1016/j.wneu.2019.10.025.24. Tyagi G, Srinivas D, Nanjaiah ND, Purushottam M, Somanna S, Santosh V, Jain S. Gene expression in intracranial aneurysms – Comparison analysis of aneurysmal walls and extracranial arteries with real-time polymerase chain reaction and immunohistochemistry. World Neurosurg. 2019. doi:10.1016/j.wneu.2019.06.002.25. Tyagi G, Bhat DI, Devi BI, Shukla D. Multiple remote sequential supratentorial epidural hematomas – An unusual and rare complication following posterior fossa surgery. World Neurosurg. 2019. doi:10.1016/j.wneu.2019.04.228.26. Tyagi G, Prabhuraj AR, Bhat DI, Rao MB, Devi BI. Duplication of ventral dural herniation as a cause of idiopathic spinal cord herniation – A report of two cases and a review of literature. World Neurosurg. 2019. doi:10.1016/j.wneu.2019.02.143.27. Verma A, Sharma S, Tyagi G, Singh S. Huge trichobezoar causing obstructive jaundice. BMJ Case Rep. 2014. doi:10.1136/bcr-2013-201667.28. Tyagi G, Gupta U, Verma A, Saxena D, Mittal A, Goyal A, Jenaw RK. Volvulus of ileal S-pouch: A rare complication of ileal pouch anal anastomoses. Int J Surg Case Rep. 2014. doi:10.1016/j.ijscr.2014.07.005. Research Projects –- NIMHANS Shunt Registry- Epidemiology of Head Injury and Road Traffic Safety- Multicentre Study on AI Imaging of dural lesions treated with Gamma Knife- Setting up the NIMHANS Skull base cadaver lab- Neurosurgery Dissertation – Genetics of Intracranial aneurysms- General surgery Thesis – Incidental detection of carcinoma gall bladder in the histopathology of cholecystectomy cases and clinic-radiological correlation.
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