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Schulich Care Team

Cardiac and Vascular Surgery

Dr. George Christakis, MD, M.Sc.

Affiliate scientist

Sunnybrook Health Sciences Centre
2075 Bayview Ave., Room H4 06
Toronto, ON
M4N 3M5

Phone: 416-480-6080
Fax: 416-480-6072

Administrative Assistant: Renita Yap
Phone: 416-480-6080


  • BA, 1977, arts and science, University of Toronto, Canada
  • MD, 1981, U of T, Canada
  • M.Sc., 1987, U of T, Canada

Appointments and Affiliations:

Clinical Expertise:

  • Aneurysms
  • Disease of the ascending aorta
  • Aortic Dissection

Research/Academic Interests

  • Aneurysms and disease of the ascending aorta
  • Hemodynamic assessment of aortic valve patients
  • Patient prosthesis mismatch
  • Valve sizing
  • Left ventricular mass regression

Research Summary:

Dr. Christakis has moved into the research area of hemodynamic evaluation of patients following aortic valve surgery. He continues to publish papers on cardiac prosthesis mismatch, valve sizing and left ventricular mass regression. He will be doing a follow up study of all patients that now have the withdrawn valve called the Silzone valve. He will be evaluating all our previous aortic valve replacement patients to assess the influence of pressure gradients across the aortic valve for long-term survival symptomatology.

Selected Publications:

See current publications list at PubMed.