Tom Marotta


Project Investigator, Keenan Research Centre for Biomedical Science


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

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. De Vries, J, Boogaarts, HD, Sørensen, L, Holtmannspoetter, M, Benndorf, G, Turowski, B et al.. eCLIPs bifurcation remodeling system for treatment of wide neck bifurcation aneurysms with extremely low dome-to-neck and aspect ratios: a multicenter experience. J Neurointerv Surg. 2020; :. doi: 10.1136/neurintsurg-2020-016354. PubMed PMID:32788388 .
  2. Griessenauer, CJ, Enriquez-Marulanda, A, Xiang, S, Hong, T, Zhang, H, Taussky, P et al.. Comparison of PED and FRED flow diverters for posterior circulation aneurysms: a propensity score matched cohort study. J Neurointerv Surg. 2020; :. doi: 10.1136/neurintsurg-2020-016055. PubMed PMID:32611622 .
  3. Diestro, JDB, Li, YM, Parra-Fariñas, C, Sarma, D, Bharatha, A, Marotta, TR et al.. Letter to the Editor 'Aneurysmal Subarachnoid Hemorrhage: Collateral Damage of COVID?'. World Neurosurg. 2020;139 :744-745. doi: 10.1016/j.wneu.2020.05.206. PubMed PMID:32474100 PubMed Central PMC7256541.
  4. Dmytriw, AA, Kapadia, A, Enriquez-Marulanda, A, Parra-Fariñas, C, Kühn, AL, Nicholson, PJ et al.. Vertebral artery aneurysms and the risk of cord infarction following spinal artery coverage during flow diversion. J. Neurosurg. 2020; :1-10. doi: 10.3171/2020.1.JNS193293. PubMed PMID:32217800 .
  5. Kumar, A, Dmytriw, AA, Salem, MM, Kuhn, AL, Phan, K, Bharatha, A et al.. Reconstructive vs Deconstructive Endovascular Approach to Intradural Vertebral Artery Aneurysms: A Multicenter Cohort Study. Neurosurgery. 2020;87 (2):383-393. doi: 10.1093/neuros/nyaa005. PubMed PMID:32022238 .
  6. Diestro, JDB, Parra-Farinas, C, Zetchi, MA, Spears, J, Marotta, TR. The POP (Pull on Pipe) Maneuver: A Technical Note for Rescuing a Prolapsed Pipeline Device. J Stroke Cerebrovasc Dis. 2020;29 (4):104647. doi: 10.1016/j.jstrokecerebrovasdis.2020.104647. PubMed PMID:32008923 .
  7. Foreman, PM, Salem, MM, Griessenauer, CJ, Dmytriw, AA, Parra-Farinas, C, Nicholson, P et al.. Flow Diversion for Treatment of Partially Thrombosed Aneurysms: A Multicenter Cohort. World Neurosurg. 2020;135 :e164-e173. doi: 10.1016/j.wneu.2019.11.084. PubMed PMID:31760188 .
  8. Diestro, JDB, Spears, J, Marotta, TR. Developmental Venous Anomaly Inside a Glioblastoma. JAMA Neurol. 2020;77 (1):127-128. doi: 10.1001/jamaneurol.2019.3840. PubMed PMID:31710346 .
  9. Hoogmoed, J, de Oliveira Manoel, AL, Coert, BA, Marotta, TR, Macdonald, RL, Vandertop, WP et al.. Why Do Patients with Poor-Grade Subarachnoid Hemorrhage Die?. World Neurosurg. 2019;131 :e508-e513. doi: 10.1016/j.wneu.2019.07.221. PubMed PMID:31398522 .
  10. 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 .
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Affiliations & Other Activities

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