Tom Marotta


Project Investigator, Keenan Research Centre for Biomedical Science


Please note: Dr. Marotta is not taking any summer students in 2019.

Research Interests

Aneurysm diagnosis and surgery, three-dimensional imaging, magnetic resonance angiography, X-ray computed tomography, blood vessel prosthesis, new devices for endovascular repair of aneurysms.


Recent Publications

  1. Hoogmoed, J, de Oliveira Manoel, AL, Coert, BA, Marotta, TR, Macdonald, RL, Vandertop, WP et al.. Why do poor grade subarachnoid hemorrhage patients die?. World Neurosurg. 2019; :. doi: 10.1016/j.wneu.2019.07.221. PubMed PMID:31398522 .
  2. Marotta, TR. Erratum. The second-generation eCLIPs Endovascular Clip System: initial experience. J. Neurosurg. 2018;129 (1):249. doi: 10.3171/2018.4.JNS161731a. PubMed PMID:30444492 .
  3. Murphy, A, Lee, TY, Marotta, TR, Spears, J, Macdonald, RL, Aviv, RI et al.. Prospective Multicenter Study of Changes in MTT after Aneurysmal SAH and Relationship to Delayed Cerebral Ischemia in Patients with Good- and Poor-Grade Admission Status. AJNR Am J Neuroradiol. 2018;39 (11):2027-2033. doi: 10.3174/ajnr.A5844. PubMed PMID:30337436 .
  4. Adeeb, N, Griessenauer, CJ, Dmytriw, AA, Shallwani, H, Gupta, R, Foreman, PM et al.. Risk of Branch Occlusion and Ischemic Complications with the Pipeline Embolization Device in the Treatment of Posterior Circulation Aneurysms. AJNR Am J Neuroradiol. 2018;39 (7):1303-1309. doi: 10.3174/ajnr.A5696. PubMed PMID:29880475 .
  5. Zetchi, MA, Dmytriw, AA, Chiu, AH, Drake, BJ, Alizadeh, NV, Bharatha, A et al.. Entry remnants in flow-diverted aneurysms: Does branch geometry influence aneurysm closure?. Interv Neuroradiol. 2018;24 (6):624-630. doi: 10.1177/1591019918779229. PubMed PMID:29871561 PubMed Central PMC6259341.
  6. Griessenauer, CJ, Ogilvy, CS, Adeeb, N, Dmytriw, AA, Foreman, PM, Shallwani, H et al.. Pipeline embolization of posterior circulation aneurysms: a multicenter study of 131 aneurysms. J. Neurosurg. 2018;130 (3):923-935. doi: 10.3171/2017.9.JNS171376. PubMed PMID:29726768 .
  7. Dmytriw, AA, Adeeb, N, Kumar, A, Griessenauer, CJ, Phan, K, Ogilvy, CS et al.. Flow Diversion for the Treatment of Basilar Apex Aneurysms. Neurosurgery. 2018;83 (6):1298-1305. doi: 10.1093/neuros/nyx628. PubMed PMID:29529233 .
  8. Aldakkan, A, Dunn, M, Warsi, NM, Mansouri, A, Marotta, TR. Vascular Eagle's Syndrome: Two Cases Illustrating Distinct Mechanisms of Cerebral Ischemia. J Radiol Case Rep. 2017;11 (8):1-7. doi: 10.3941/jrcr.v11i8.3040. PubMed PMID:29299100 PubMed Central PMC5743131.
  9. Brown, AD, Marotta, TR. Using machine learning for sequence-level automated MRI protocol selection in neuroradiology. J Am Med Inform Assoc. 2018;25 (5):568-571. doi: 10.1093/jamia/ocx125. PubMed PMID:29092082 .
  10. Garg, V, Peterson, MD, Chu, MW, Ouzounian, M, MacArthur, RG, Bozinovski, J et al.. Axillary versus innominate artery cannulation for antegrade cerebral perfusion in aortic surgery: design of the Aortic Surgery Cerebral Protection Evaluation (ACE) CardioLink-3 randomised trial. BMJ Open. 2017;7 (6):e014491. doi: 10.1136/bmjopen-2016-014491. PubMed PMID:28601820 PubMed Central PMC5623414.
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Affiliations & Other Activities

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