Faculty profile

Dennis Ko

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ProfessorDepartment of MedicineUniversity of Toronto

Dennis Ko

Professor

Department of Medicine

Temerty Faculty of Medicine

University of Toronto

Toronto, Ontario, Canada

ORCID

Supervision signals

Professors usually supervise graduate students in their department's programs.
7 publications in the last five years, latest in 2026.
Senior (last) author on 2 recent papers, a sign of leading a research group.
Principal investigator on 8 research grants (8 CIHR), most recently in 2025.
Supervisor on 5 trainee awards (5 CIHR), most recently in 2025.

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

Academic metrics

Publications

537

Citations

Collaborators

Grants

Publications by year

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

Education

MSc
MD
Cadiology (FRCPC)
Internal Medicine

Profiles and links

University Profile Search on Google Scholar iDORCID

Find them onX · LinkedIn · Bluesky · YouTube

Signals and details

Research

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

Health Services Quality Of Care Risk Prediction Cardiovascular Disease Determinants Of Outcomes Quality Improvement Hypertension Lipids

Latest papers

Sex-Focused Evaluation of Income and Education and the Risk of Atherosclerotic Cardiovascular Diseases Within a Universal Healthcare Context.
CJC open · 2026
Imprecision of high-sensitivity cardiac troponin assays at the female 99th-percentile
Clinical Biochemistry · 2024
Undertreating cardiovascular disease in people with chronic obstructive pulmonary disease (COPD).
Thorax · 2024 · senior author

All 17 publications

Latest funding

Bradycardia-Related Complications and Clinical Outcomes Following Rhythm Control in Patients with Atrial Fibrillation
CIHR · 2026 · Co-investigator
$149,176
Improving PAtient Recruitment into Trials by elICIting Preferences And TradE-offs in Heart Failure (I-PARTICIPATE-HF).
CIHR · 2026 · Co-investigator
$100,000
Lipoprotein(a) utilization, ancestry, and adverse cardiovascular and renal outcomes: a population-based cohort study
CIHR · 2026 · Co-investigator
$550,800

All 36 grants and awards

17 publications.

Sex-Focused Evaluation of Income and Education and the Risk of Atherosclerotic Cardiovascular Diseases Within a Universal Healthcare Context.

Haichin K, Alter D, Poirier P, Ni J, Tardif JC, Goodman SG, Yan A, Ko D, d'Entremont MA, Lawler PR, Spaziano M, Sharma A, Thanassoulis G, Dery JP, Nguyen M, Mansour S, Lee DS, Schampaert E, Huynh T

CJC open2026

DOI: 10.1016/j.cjco.2026.03.014 PMID: 42610040

Imprecision of high-sensitivity cardiac troponin assays at the female 99th-percentile

Kavsak PA, Clark L, Arnoldo S, Lou A, Shea JL, Eintracht S, Lyon AW, Bhayana V, Thorlacius L, Raizman JE

Clinical Biochemistry202410 citations

DOI: 10.1016/j.clinbiochem.2024.110731

Undertreating cardiovascular disease in people with chronic obstructive pulmonary disease (COPD).

Gershon AS, Blazer A, Ko D

Thorax2024Senior author

DOI: 10.1136/thorax-2023-221141 PMID: 38876490

Transfusion Thresholds for Acute Coronary Syndromes—Insights From the TRICS‐III Randomized Controlled Trial, Systematic Review, and Meta‐Analysis

Mistry N, Hare GMT, Shehata N, Belley‐Cote E, Papa F, Kramer RS, Saha T, Wijeysundera DN, Ko D, Verma S

Journal of the American Heart Association202318 citations

DOI: 10.1161/jaha.122.028497

Long-term Clinical Outcomes Following Cardiac Stress Testing After Percutaneous Coronary Intervention.

Bagai A, Madan M, Overgaard C, Porter J, Han L, Cheema AN, Yan AT, Kaul P, Goodman SG, Ko D

The Canadian journal of cardiology2023Senior author

DOI: 10.1016/j.cjca.2023.06.422 PMID: 37399943

Race and Ethnicity With Atherosclerotic Cardiovascular Disease Outcomes Within a Universal Health Care System: Insights From the CARTaGENE Study.

d'Entremont MA, Ko D, Yan AT, Goodman SG, Ni J, Poirier P, Tardif JC, Grégoire JC, Couture ÉL, Nguyen M, Thanassoulis G, Sharma A, Huynh T

The Canadian journal of cardiology2023

DOI: 10.1016/j.cjca.2023.03.007 PMID: 36914033

Variation in revascularisation use and outcomes of patients in hospital with acute myocardial infarction across six high income countries: cross sectional cohort study.

Cram P, Hatfield LA, Bakx P, Banerjee A, Fu C, Gordon M, Heine R, Huang N, Ko D, Lix LM, Novack V, Pasea L, Qiu F, Stukel TA, de Groot CU, Yan L, Landon B

BMJ (Clinical research ed.)2022

DOI: 10.1136/bmj-2021-069164 PMID: 35508312

Dual-Antithrombotic Therapy With DOACs After Acute Coronary Syndrome or Percutaneous Coronary Intervention in Atrial Fibrillation: A Meta-analysis of Randomized Controlled Trials

Shurrab M, Danon A, Alnasser S, Glover B, Kaoutskaia A, Henderson M, Newman D, Crystal E, Ko D

Canadian Journal of Cardiology202014 citationsSenior author

DOI: 10.1016/j.cjca.2019.11.005

Meta-analysis Comparing Outcomes of Type 2 Myocardial Infarction and Type 1 Myocardial Infarction With a Focus on Dual Antiplatelet Therapy

Reid C, Alturki A, Yan A, So D, Ko D, Tanguay J-F, Bessissow A, Mehta S, Goodman S, Huynh T

CJC Open202012 citationsOpen Access

DOI: 10.1016/j.cjco.2020.02.005 PMID: W3006707881

Canadian spontaneous coronary artery dissection cohort study: in-hospital and 30-day outcomes

Saw J, Starovoytov A, Humphries K, Sheth T, So D, Minhas K, Brass N, Lavoie A, Bishop H, Lavi S

European Heart Journal2019431 citations

DOI: 10.1093/eurheartj/ehz007

Write to this professor

A short, specific email works best. This draft uses one of their recent papers; replace the parts in brackets with your own details before sending.

Applying for

Paper to mentionMention their CIHR grant from 2025

Subject: Prospective PhD student: Health Services Dear Professor Ko, My name is [your name], and I am a [your current degree or role] at [your institution]. I am applying for a PhD position starting in [term and year]. I read your paper "Sex-Focused Evaluation of Income and Education and the Risk of Atherosclerotic Cardiovascular Diseases Within a Universal Healthcare Context." (2026), and it connects closely to my own work on [your research topic]. [One or two sentences on what you did and what you learned.] I also saw your CIHR-funded project "Using Routine Lab Tests to Develop and Validate a New Risk Prediction Model for the Primary Prevention of Cardiovascular Disease" (2025), and I would be glad to contribute to work in that direction. Are you accepting new PhD students for [term and year]? I have attached my CV and transcripts, and I would be glad to talk at a time that suits you. Thank you for your time. Kind regards, [your name]

Profile data last refreshed on September 25, 2026 from the university directory, publication records and CIHR, NSERC and SSHRC funding.

Something wrong or missing on this profile? Suggest a correction

Dennis Ko

Research

Latest papers

Latest funding

Sex-Focused Evaluation of Income and Education and the Risk of Atherosclerotic Cardiovascular Diseases Within a Universal Healthcare Context.

Imprecision of high-sensitivity cardiac troponin assays at the female 99th-percentile

Undertreating cardiovascular disease in people with chronic obstructive pulmonary disease (COPD).

Transfusion Thresholds for Acute Coronary Syndromes—Insights From the TRICS‐III Randomized Controlled Trial, Systematic Review, and Meta‐Analysis

Long-term Clinical Outcomes Following Cardiac Stress Testing After Percutaneous Coronary Intervention.

Race and Ethnicity With Atherosclerotic Cardiovascular Disease Outcomes Within a Universal Health Care System: Insights From the CARTaGENE Study.

Variation in revascularisation use and outcomes of patients in hospital with acute myocardial infarction across six high income countries: cross sectional cohort study.

Dual-Antithrombotic Therapy With DOACs After Acute Coronary Syndrome or Percutaneous Coronary Intervention in Atrial Fibrillation: A Meta-analysis of Randomized Controlled Trials

Meta-analysis Comparing Outcomes of Type 2 Myocardial Infarction and Type 1 Myocardial Infarction With a Focus on Dual Antiplatelet Therapy

Canadian spontaneous coronary artery dissection cohort study: in-hospital and 30-day outcomes

Frequent collaborators

Sandra Lauck

Sheldon Cheskes

Abhinav Sharma

Thao Huynh

Steve Lin

Jean-Claude Tardif

Jean-Claude Tardif

Derek So

Emilie Belley-Cote

George Thanassoulis

Amal Bessissow

Jennifer Taher

Venkatesh Thiruganasambandamoorthy

Bryan Har

Frank Scheuermeyer

Jacqueline Saw

Daniel Beriault

Therese Stukel

Subodh Verma

Samer Mansour

Stephen Fremes

Andrew Worster

Mohammed Shurrab

Christopher Overgaard

Paul Poirier

Karin Humphries

Marc Ruel

Nadine Shehata

Shamir Mehta

Peter Austin

Sanjit Jolly

Peter Kavsak

Tej Sheth

Sameer Sharif