Walter Montanera

Project Investigator, Keenan Research Centre for Biomedical Science

Research Programs


Please note: Dr. Montanera is not taking any summer students.

Research Interests

Brain vascular diseases, brain aneurysms, arteriovenous malformations, carotid artery disease, acute stroke.


Recent Publications

  1. Diestro, JDB, Li, Y, Kishore, K, Omar, AT 2nd, Montanera, W, Sarma, D et al.. A shift from open to endovascular repair in the treatment of ruptured middle cerebral artery aneurysms: a single institution experience. Neuroradiology. 2023;65 (9):1353-1361. doi: 10.1007/s00234-023-03195-w. PubMed PMID:37480480 .
  2. Parra-Fariñas, C, Diestro, JDB, Dmytriw, AA, Almusalam, N, Rajendram, P, Phillips, R et al.. The proximal balloon occlusion together with direct thrombus aspiration (protect plus) technique: Experience at a tertiary comprehensive stroke center. Neuroradiol J. 2023;36 (6):686-692. doi: 10.1177/19714009231177359. PubMed PMID:37211821 PubMed Central PMC10649534.
  3. Diestro, JDB, Parra-Farinas, C, Balas, M, Zador, Z, Almusalam, N, Dmytriw, AA et al.. Inflammatory Biomarkers and Intracranial Hemorrhage after Endovascular Thrombectomy. Can J Neurol Sci. 2022;49 (5):644-650. doi: 10.1017/cjn.2021.197. PubMed PMID:34548113 .
  4. Micieli, JA, Dhoot, AS, Micieli, R, Montanera, W, Assaad, D, Krizova, A et al.. Recurrence of Thin Cutaneous Melanoma in the Optic Nerve After Over a Decade of Clinical Cure. J Neuroophthalmol. 2022;42 (1):e343-e346. doi: 10.1097/WNO.0000000000001399. PubMed PMID:34417774 .
  5. Lee, H, Marotta, TR, Spears, J, Sarma, D, Montanera, W, Bharatha, A et al.. Endovascular treatment of cavernous carotid artery aneurysms: A 10-year, single-center experience. Neuroradiol J. 2021;34 (6):568-574. doi: 10.1177/19714009211013487. PubMed PMID:34159822 PubMed Central PMC8649177.
  6. Nichani, P, Montanera, WJ, Micieli, JA. Third nerve palsy due to influenza A infection. Can J Ophthalmol. 2022;57 (1):69. doi: 10.1016/j.jcjo.2021.02.035. PubMed PMID:33766487 .
  7. Suthiphosuwan, S, Sasikumar, S, Munoz, DG, Chan, DK, Montanera, WJ, Bharatha, A et al.. MRI diagnosis of neuronal intranuclear inclusion disease leukoencephalopathy. Neurol Clin Pract. 2019;9 (6):497-499. doi: 10.1212/CPJ.0000000000000664. PubMed PMID:32042489 PubMed Central PMC6927451.
  8. Murphy, A, de Oliveira Manoel, AL, Macdonald, RL, Baker, A, Lee, TY, Marotta, T et al.. Changes in Cerebral Perfusion with Induced Hypertension in Aneurysmal Subarachnoid Hemorrhage: A Pilot and Feasibility Study. Neurocrit Care. 2017;27 (1):3-10. doi: 10.1007/s12028-017-0379-6. PubMed PMID:28244000 .
  9. Ray, JG, Bharatha, A, Montanera, WJ. Magnetic Resonance Imaging Exposure During Pregnancy-Reply. JAMA. 2016;316 (21):2275-2276. doi: 10.1001/jama.2016.17302. PubMed PMID:27923087 .
  10. Ray, JG, Vermeulen, MJ, Bharatha, A, Montanera, WJ, Park, AL. Association Between MRI Exposure During Pregnancy and Fetal and Childhood Outcomes. JAMA. 2016;316 (9):952-61. doi: 10.1001/jama.2016.12126. PubMed PMID:27599330 .
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Affiliations & Other Activities

  • Interventional Neuroradiologist, Medical Imaging, St. Michael’s Hospital