Mark Peterson




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I am interested in the clinical outcomes of patients with a wide range of aortic disease, including aortic valvular disease, following both conventional surgery as well as endovascular or percutaneous intervention. St. Michael’s Hospital participates in the International Registry of Acute Aortic Dissection study, which prospectively collects data on patients with either Type A or Type B dissections in 24 centers around the world. We are in the process of developing a National Aortic and Endovascular Surgery Registry to prospectively study patients undergoing either conventional surgery or endovascular surgery in major centers across Canada. I am also interested in the basic biology of aneurysm formation and aneurysm regression following endovascular stent-grafting.

Recent Publications

  1. Hassan, A, Ouzounian, M, Dagenais, F, El-Hamamsy, I, Moon, MC, Pozeg, Z et al.. Development of Quality Indicators for the Management of Acute Type A Aortic Dissection. Can J Cardiol. 2021; :. doi: 10.1016/j.cjca.2021.05.015. PubMed PMID:34090977 .
  2. Hage, A, Hage, F, Dagenais, F, Ouzounian, M, Chung, J, El-Hamamsy, I et al.. Frozen Elephant Trunk for Aortic Arch Reconstruction is Associated with Reduced Mortality as Compared to Conventional Techniques. Semin Thorac Cardiovasc Surg. 2021; :. doi: 10.1053/j.semtcvs.2021.03.049. PubMed PMID:34089828 .
  3. Ghoneim, A, Ouzounian, M, Peterson, MD, El-Hamamsy, I, Dagenais, F, Chu, MWA et al.. Commentary: Timely repair of acute aortic dissection: Every minute counts. J Thorac Cardiovasc Surg. 2021; :. doi: 10.1016/j.jtcvs.2021.04.026. PubMed PMID:33972110 .
  4. Williams, EE, Chu, MWA, Peterson, MD, El-Hamamsy, I. Commentary: The Ross procedure in a polyethylene terephthalate graft: Is everything OK in there?. J Thorac Cardiovasc Surg. 2021; :. doi: 10.1016/j.jtcvs.2021.02.078. PubMed PMID:33812682 .
  5. Hage, F, Hage, A, Dagenais, F, Cartier, A, Ouzounian, M, Chung, J et al.. Does adding an aortic root replacement or sinus repair during arch repair increase postoperative mortality? Evidence from the Canadian Thoracic Aortic Collaborative. Eur J Cardiothorac Surg. 2021; :. doi: 10.1093/ejcts/ezab125. PubMed PMID:33769490 .
  6. Fam, NP, von Bardeleben, RS, Hensey, M, Kodali, SK, Smith, RL, Hausleiter, J et al.. Transfemoral Transcatheter Tricuspid Valve Replacement With the EVOQUE System: A Multicenter, Observational, First-in-Human Experience. JACC Cardiovasc Interv. 2021;14 (5):501-511. doi: 10.1016/j.jcin.2020.11.045. PubMed PMID:33582084 .
  7. Chauvette, V, Ouzounian, M, Peterson, MD, El-Hamamsy, I, Chu, MWA, Canadian Thoracic Aortic Collaborative et al.. Commentary: The Ross procedure: One surgeon's journey toward mastery. J Thorac Cardiovasc Surg. 2021;161 (3):918-919. doi: 10.1016/j.jtcvs.2020.12.056. PubMed PMID:33485665 .
  8. Peterson, MD, Garg, V, Mazer, CD, Chu, MWA, Bozinovski, J, Dagenais, F et al.. A randomized trial comparing axillary versus innominate artery cannulation for aortic arch surgery. J Thorac Cardiovasc Surg. 2020; :. doi: 10.1016/j.jtcvs.2020.10.152. PubMed PMID:33431219 .
  9. Chu, MWA, Ouzounian, M, El-Hamamsy, I, Peterson, MD, Canadian Thoracic Aortic Collaborative. Commentary: Coronavirus disease 2019 and acute aortic dissection: So many questions, so few answers. JTCVS Tech. 2020;4 :55-56. doi: 10.1016/j.xjtc.2020.10.039. PubMed PMID:33163978 PubMed Central PMC7598354.
  10. Bendayan, M, Messas, N, Perrault, LP, Asgar, AW, Lauck, S, Kim, DH et al.. Frailty and Bleeding in Older Adults Undergoing TAVR or SAVR: Insights From the FRAILTY-AVR Study. JACC Cardiovasc Interv. 2020;13 (9):1058-1068. doi: 10.1016/j.jcin.2020.01.238. PubMed PMID:32381184 .
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Affiliations & Other Activities

  • Associate Professor, Department of Surgery, University of Toronto