Faculty profile

Maral Ouzounian

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ProfessorDepartment of SurgeryUniversity of Toronto

Maral Ouzounian

Professor

Department of Surgery

Temerty Faculty of Medicine

University of Toronto

Toronto, Ontario, Canada

Supervision signals

Professors usually supervise graduate students in their department's programs.
108 publications in the last five years, latest in 2026.
Senior (last) author on 30 recent papers, a sign of leading a research group.

These signals come from public records, including federal and provincial funding decisions. Ask the professor or the graduate program whether they are taking new students.

Academic metrics

229

Publications

4,384

Citations

127

Collaborators

Grants

Publications by year

Counts cover the publications linked to this profile. Citations and the h-index appear when the source records them.

Profiles and links

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Signals and details

Research

Read how they describe their research on their University of Toronto profile.

Latest papers

Association of postoperative haemoglobin with adverse outcomes in patients undergoing cardiac surgery: a retrospective single centre cohort study.
BJA open · 2026
Late adverse cardiovascular events after aortic valve-sparing operations in patients with Marfan syndrome.
The Journal of thoracic and cardiovascular surgery · 2026 · senior author
The influence of reoperation on aortic arch reconstructive surgery: Evidence from a multicenter, national registry.
The Journal of thoracic and cardiovascular surgery · 2026

All 229 publications

Latest funding

Canadian TAVR Triage Tool (CAN3T) for Wait-list Management in Aortic Stenosis: a Stepped-Wedged Cluster Randomized Registry-Based Trial
CIHR · 2024 · Co-investigator
$462,824
Personalized Assessment of Biomechanical Properties of Ascending Aortic Aneurysms using Magnetic Resonance Imaging: Risk Stratification using Machine Learning
CIHR · 2024 · Co-investigator
$447,524
Systematic implementation and impact evaluation of data-driven cardiac surgery triaging tools to optimize operational efficiency and enhance patient outcomes during the COVID-19 pandemic and beyond
CIHR · 2021 · Co-investigator
$500,000

All 6 grants and awards

From the 150 most recent of 229 publications.

Association of postoperative haemoglobin with adverse outcomes in patients undergoing cardiac surgery: a retrospective single centre cohort study.

Alkadri J, Chen M, Karkouti K, Morais S, Saskin R, Grudzinski A, Ouzounian M, Callum J, Lin Y, McCluskey SA, McIsaac DI, Bartoszko J

BJA open20263 citationsOpen Access

DOI: 10.1016/j.bjao.2025.100508 PMID: 41536866

Late adverse cardiovascular events after aortic valve-sparing operations in patients with Marfan syndrome.

David TE, Weiss J, Runeckles K, Chung J, David C, Ouzounian M

The Journal of thoracic and cardiovascular surgery20262 citationsSenior author

DOI: 10.1016/j.jtcvs.2026.03.615 PMID: 42092498

The influence of reoperation on aortic arch reconstructive surgery: Evidence from a multicenter, national registry.

Qin C, Stevens LM, Atoui R, Bittira B, Bozinovski J, Boodhwani M, Chia-Ying Chung J, Dagenais F, Demers P, Ei-Hamamsy I, Guo M, Hong J, Lachapelle K, Moon M, Ouzounian M, Payne D, Peterson MD, Chu MWA, Canadian Thoracic Aortic Collaborative

The Journal of thoracic and cardiovascular surgery2026Open Access

DOI: 10.1016/j.jtcvs.2026.03.572 PMID: 41865785

Medium to Long-Term Patient-Oriented Effectiveness of Surgical or Percutaneous Revascularization in Diabetes and Severe Coronary Artery Disease.

Vervoort D, Dai Y, Eddeen AB, Tuna M, Austin PC, Ouzounian M, Fremes S, Lee DS, Wijeysundera HC, Sun LY

CJC open2026Open Access

DOI: 10.1016/j.cjco.2026.02.017 PMID: 42483015

Predictors and prognostic value for in-hospital outcomes associated with postoperative anemia in cardiac surgery: a retrospective cohort study.

Chen MMZ, Ouzounian M, McCluskey S, Karkouti K, Bartoszko J

Canadian journal of anaesthesia = Journal canadien d'anesthesie2026

DOI: 10.1007/s12630-026-03126-2 PMID: 42174358

Preoperative Iron-Deficiency Anemia and Survival After Cardiac Surgery: A Retrospective Cohort Study.

Alkadri J, Chen M, Karkouti K, Grudzinski A, Ouzounian M, Rubens F, Raphael J, Callum J, Lin Y, McCluskey SA, McIsaac DI, Bartoszko J

Journal of cardiothoracic and vascular anesthesia2026

DOI: 10.1053/j.jvca.2026.04.018 PMID: 42091376

Twenty-five–year single-center experience with aortic root replacement with a composite valve graft

Rodolfo V Rocha, Tirone E. David, Anna Chu, Amine Mazine, Syed M.A. Hassan, Dominique Vervoort, Douglas S. Lee, Terrence M. Yau, Maral Ouzounian

JTCVS Open2026Senior authorOpen Access

DOI: 10.1016/j.xjon.2026.101886 PMID: 42604165

Use of the Ross Procedure in North America: Relation Between Surgical Volume and Operative Mortality.

Mazine A, Weiss J, Chikwe J, Desai ND, Chung JC, Malas J, Chen QK, Chen A, Runeckles K, Steve Fan CP, Bowdish ME, Bavaria JE, Ouzounian M

Journal of the American College of Cardiology2026Senior author

DOI: 10.1016/j.jacc.2026.01.031 PMID: 41778950

EACTS Expert Consensus Statement on the Ross Procedure in Adult Patients.

Vojacek J, Gofus J, Andreas M, Bavaria JE, Berdajs D, Casselman FPA, El-Hamamsy I, Holubec T, de Kerchove L, Milojevic M, Mulinari L, Ouzounian M, Skillington P, Takkenberg JJM, Verbrugghe P, EACTS Scientific Document Group

European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery2026

DOI: 10.1093/ejcts/ezaf295 PMID: 41063405

Ross Procedure Renaissance: A Contemporary Review of Patient Selection, Technique, and Long-Term Outcomes in Adults.

Bloom JP, Nam L, Sá MP, Williams E, Ouzounian M, El-Hamamsy I, Hopkins W, Yeh DD

Journal of the American Heart Association2026

DOI: 10.1161/jaha.125.044454 PMID: 41467400

Profile data last refreshed on September 29, 2026 from the university directory, publication records and public research funding records.

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Maral Ouzounian

Research

Latest papers

Latest funding

Association of postoperative haemoglobin with adverse outcomes in patients undergoing cardiac surgery: a retrospective single centre cohort study.

Late adverse cardiovascular events after aortic valve-sparing operations in patients with Marfan syndrome.

The influence of reoperation on aortic arch reconstructive surgery: Evidence from a multicenter, national registry.

Medium to Long-Term Patient-Oriented Effectiveness of Surgical or Percutaneous Revascularization in Diabetes and Severe Coronary Artery Disease.

Predictors and prognostic value for in-hospital outcomes associated with postoperative anemia in cardiac surgery: a retrospective cohort study.

Preoperative Iron-Deficiency Anemia and Survival After Cardiac Surgery: A Retrospective Cohort Study.

Twenty-five–year single-center experience with aortic root replacement with a composite valve graft

Use of the Ross Procedure in North America: Relation Between Surgical Volume and Operative Mortality.

EACTS Expert Consensus Statement on the Ross Procedure in Adult Patients.

Ross Procedure Renaissance: A Contemporary Review of Patient Selection, Technique, and Long-Term Outcomes in Adults.

Canadian TAVR Triage Tool (CAN3T) for Wait-list Management in Aortic Stenosis: a Stepped-Wedged Cluster Randomized Registry-Based Trial

Personalized Assessment of Biomechanical Properties of Ascending Aortic Aneurysms using Magnetic Resonance Imaging: Risk Stratification using Machine Learning

Systematic implementation and impact evaluation of data-driven cardiac surgery triaging tools to optimize operational efficiency and enhance patient outcomes during the COVID-19 pandemic and beyond

The indirect impact of COVID-19 on cardiac function and associated outcomes in patients awaiting cardiac surgery: An opportunity to inform data-driven surgical wait list management

Dissecting the role of hemodynamics in ascending aorta aneurysm development

Ross for Valve replacement in AduLts (REVIVAL) trial

Frequent collaborators

Michael Chu

Munir Boodhwani

Jennifer Chung

François Dagenais

Stephen Fremes

Bobby Yanagawa

Rakesh Arora

Douglas Lee

Jehangir Appoo

Richard Whitlock

Harindra Wijeysundera

Peter Austin

Louis-Mathieu Stevens

Vivek Rao

Jan Friedrich

Subodh Verma

Louise Sun

Jean-François Legare

Thomas Forbes

Cedric Manlhiot

Graham McClure

Jeffrey Dickson

George Djaiani

Jane Heggie

Stuart McCluskey

Elsie Nguyen

Asim Cheema