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Research
Latest papers
Antithrombotic Therapy after Successful Catheter Ablation for Atrial Fibrillation
New England Journal of Medicine · 2026
Anteroposterior vs Anterolateral Shock Vectors for Atrial Fibrillation Cardioversion: Design and Rationale of the SHOCK-VECTOR Trial
Canadian Journal of Cardiology · 2026
Isochronal late activation mapping in ischemic scar VT: an independent validation using intraoperative mapping.
Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing · 2026
Latest funding
- $149,176
Bradycardia-Related Complications and Clinical Outcomes Following Rhythm Control in Patients with Atrial Fibrillation
CIHR · 2026 · Co-investigator
- $1,017,448
Secondary Prevention of Ventricular Tachycardia in Patient with Cardiomyopathies (END-VT)
CIHR · 2025 · Co-investigator
- $180,000
A randomized controlled trial of anterior-posterior versus anterior-lateral shock vectors for electrical cardioversion of atrial fibrillation (SHOCK-VECTOR)
CIHR · 2025 · Co-investigator
20 publications.
Antithrombotic Therapy after Successful Catheter Ablation for Atrial Fibrillation
Verma A, Birnie DH, Jiang C, Heidbüchel H, Hindricks G, Kirchhof P, Healey JS, Wang Y, Dagres N, Deyell MW
Anteroposterior vs Anterolateral Shock Vectors for Atrial Fibrillation Cardioversion: Design and Rationale of the SHOCK-VECTOR Trial
Suri RS, McIntyre WF, Belley-Cote EP, Fournier RN, Um KJ, Farkhondehpay N, Zhang MR, Abdel-Qadir H, Chew DS, Ha A
Isochronal late activation mapping in ischemic scar VT: an independent validation using intraoperative mapping.
Hayashi T, Muscat E, Rahimi M, Masse S, Veluppillai A, Nair KM, Ha A, Nanthakumar K, Downar E, Bhaskaran A
Long-term all-cause mortality and hospitalizations after catheter ablation in patients with paroxysmal and persistent atrial fibrillation
Cheung CC, Qiu F, Haldenby O, Chew DS, Tang ASL, Skanes AC, Khaykin Y, Nery PB, Ha ACT, Healey JS
Risk of syncope and permanent pacing with rate vs rhythm control of atrial fibrillation: A systematic review and meta-analysis
Quevillon T, Faridi B, McIntyre WF, Betteridge-LeBlanc S, Little S, Michael F, Parkash R, Andrade J, Ha A, Amit G
Transcatheter Tricuspid Valve Replacement in the Presence of Pacemaker Lead-Related Tricuspid Regurgitation and Complex Anatomy.
Patrascu A, Alkasab M, Attumalil T, Traynor B, Derry K, Alnasser S, Ha A, Fam NP
Association between dipeptidyl peptidase-4 inhibitors and glucagon-like peptide-1 receptor agonists and COVID-19 infection and adverse outcomes: a cohort study.
Thompson W, Yu B, Porter J, Fang J, Ferreira-Legere LE, Austin PC, Jackevicius CA, Ross H, Lee DS, Weisman A, Farkouh ME, Gershon AS, Atzema CL, Kwong JC, Ha A, Džavík V, Udell JA
Automated Identification of Ventricular Tachycardia Ablation Targets: Multicenter Validation and Workflow Characterization.
Niri A, Shapira E, Massé S, Bar-Tal M, Bar-On T, Hayam G, Ben-Dor A, Bhaskaran A, Ha A, Anter E, Porta-Sanchez A, Jackson N, Nanthakumar K, Nair K
Successful ablation of a concealed accessory pathway in the coronary sinus in a patient with mechanical mitral valve.
Albertini L, Ha A, Nair K
Antithrombotic Therapy After Percutaneous Coronary Intervention in Patients With Atrial Fibrillation: Findings From the CONNECT AF+PCI Study
Valle FH, Goodman SG, Tan M, Ha A, Mansour S, Welsh RC, Yan AT, Bainey KR, Rinfret S, Potter BJ
Bradycardia-Related Complications and Clinical Outcomes Following Rhythm Control in Patients with Atrial Fibrillation
Principal investigators: Shurrab, Mohammed
Keywords: Atrial Fibrillation; Complications; Management; Outcomes; Processes Of Care; Quality Of Care
Secondary Prevention of Ventricular Tachycardia in Patient with Cardiomyopathies (END-VT)
Principal investigators: Sapp, John L; Samuel, Michelle
Keywords: Cardiomyopathy; Epidemiology; Precision Medicine; Prospective Cohort; Ventricular Tachycardia
A randomized controlled trial of anterior-posterior versus anterior-lateral shock vectors for electrical cardioversion of atrial fibrillation (SHOCK-VECTOR)
Principal investigators: McIntyre, William F
Keywords: Atrial Fibrillation; Cardioversion; Electrodes; Intervention; Manual Pressure; Sinus Rhythm
LEFT HF: LEFT Bundle Pacing vs Standard Right Ventricular Pacing for Heart Failure
Principal investigators: Joza, Jacqueline; Essebag, Vidal; Healey, Jeff S; Verma, Atul
Keywords: Electrophysiology
Cardiac Sarcoidosis Multi-Center Randomized Controlled Trial (CHASM CS- RCT)
Principal investigators: Birnie, David H
Keywords: Cardiac Sarcoidosis
The Optimal Anticoagulation for Enhanced Risk Patients Post-Catheter Ablation for Atrial Fibrillation (OCEAN) Trial
Principal investigators: Verma, Atul; Birnie, David H
Keywords: Atrial Fibrillation; Catheter Ablation; Oral Anticoagulation; Randomized Clinical Trial; Stroke Prevention
Improving Canadian Outcomes Research On the Novel SARS-CoV-2 using Analytics: the CORONA Consortium
Principal investigators: Lee, Douglas S; Mcalister, Finlay A
Keywords: Cardiovascular Disease; Health Services Research; Machine Learning; Medication Adherence; Observational Research; Outcomes Research; Risk Factors; Risk Prediction; Sars-Cov-2
The Optimal Anticoagulation for Enhanced Risk Patients Post-Catheter Ablation for Atrial Fibrillation (OCEAN) Trial
Principal investigators: Verma, Atul; Birnie, David H
Keywords: Atrial Fibrillation; Catheter Ablation; Oral Anticoagulation; Randomized Clinical Trial; Stroke Prevention
The Optimal Anticoagulation for Enhanced Risk Patients Post-Catheter Ablation for Atrial Fibrillation (OCEAN) Trial
Principal investigators: Verma, Atul; Birnie, David H
Keywords: Atrial Fibrillation; Catheter Ablation; Oral Anticoagulation; Randomized Clinical Trial; Stroke Prevention
The VANISH2 Trial: Ventricular Tachycardia Antiarrhythmics or Ablation in Structural Heart Disease 2
Principal investigators: Sapp, John L
Keywords: Antiarrhythmic Drug Therapy; Cardiac Arrhythmia; Cardiac Sciences; Catheter Ablation; Randomized Controlled Trial; Ventricular Arrhythmias
From CIHR, NSERC and SSHRC funding decisions: CIHR since 2008, NSERC since 1991 and SSHRC since 1998, including their latest published competition results.
Frequent collaborators
- Jean-Claude Tardif and Jean-Claude Tardif: 380 shared papers
- William McIntyre and Jeff Healey: 197 shared papers
- Emilie Belley-Cote and William McIntyre: 119 shared papers
- Emilie Belley-Cote and Jeff Healey: 74 shared papers
- Jeff Healey and Ratika Parkash: 49 shared papers
- Guy Amit and Jeff Healey: 38 shared papers
- Jeff Healey and Mohammed Shurrab: 37 shared papers
- Jeff Healey and Christian Steinberg: 24 shared papers
- Jeff Healey and David Birnie: 17 shared papers
- Guy Amit and William McIntyre: 16 shared papers
- Jeff Healey and George Wells: 16 shared papers
- Guy Amit and Mohammed Shurrab: 13 shared papers
- George Wells and Ratika Parkash: 13 shared papers
- Jeff Healey and David Birnie: 12 shared papers
- Darryl Leong and Jeff Healey: 11 shared papers
- David Birnie and Ratika Parkash: 11 shared papers
- William McIntyre and Mohammed Shurrab: 9 shared papers
- Jon-david Schwalm and Emilie Belley-Cote: 7 shared papers
- Jeff Healey and Andrew Ha: 7 shared papers
- Kumaraswamy Nanthakumar and Andrew Ha: 6 shared papers
- Jon-david Schwalm and Darryl Leong: 5 shared papers
- Jeff Healey and Amritanshu Pandey: 5 shared papers
- Jeff Healey and Atul Verma: 5 shared papers
- David Birnie and David Birnie: 5 shared papers
- Ratika Parkash and Christian Steinberg: 5 shared papers
- Jon-david Schwalm and Jeff Healey: 4 shared papers
- Guy Amit and Darryl Leong: 4 shared papers
- Guy Amit and Atul Verma: 4 shared papers
- Jeff Healey and Jean-Claude Tardif: 4 shared papers
- Jeff Healey and Jean-Claude Tardif: 4 shared papers
- George Wells and David Birnie: 4 shared papers
- Ratika Parkash and Atul Verma: 4 shared papers
- Guy Amit and Andrew Ha: 3 shared papers
- William McIntyre and Andrew Ha: 3 shared papers
- Jeff Healey and Atul Verma: 3 shared papers
- Mohammed Shurrab and David Birnie: 3 shared papers
- Jean-Claude Tardif and Ratika Parkash: 3 shared papers
- Heather Ross and Kumaraswamy Nanthakumar: 3 shared papers
- Jean-Claude Tardif and Ratika Parkash: 3 shared papers
- Andrew Ha and David Birnie: 3 shared papers
- Jon-david Schwalm and Bryan Har: 2 shared papers
- Guy Amit and Atul Verma: 2 shared papers
- William McIntyre and Christian Steinberg: 2 shared papers
- Jeff Healey and Kumaraswamy Nanthakumar: 2 shared papers
- Amritanshu Pandey and Jean-Claude Tardif: 2 shared papers
- Amritanshu Pandey and Jean-Claude Tardif: 2 shared papers
- Mohammed Shurrab and Andrew Ha: 2 shared papers
- Jean-Claude Tardif and Jean-Claude Tardif: 2 shared papers
- Jean-Claude Tardif and Jean-Claude Tardif: 2 shared papers
- Andrew Ha and Ratika Parkash: 2 shared papers
- Atul Verma and Atul Verma: 2 shared papers
- Jon-david Schwalm and Andrew Ha: 1 shared paper
- Darryl Leong and Andrew Ha: 1 shared paper
- Emilie Belley-Cote and Andrew Ha: 1 shared paper
- Jeff Healey and Jean-Claude Tardif: 1 shared paper
- Amritanshu Pandey and Heather Ross: 1 shared paper
- Amritanshu Pandey and Andrew Ha: 1 shared paper
- Mohammed Shurrab and Heather Ross: 1 shared paper
- George Wells and Andrew Ha: 1 shared paper
- Jean-Claude Tardif and Andrew Ha: 1 shared paper
- Heather Ross and Andrew Ha: 1 shared paper
- Heather Ross and Andrew Hope: 1 shared paper
- Heather Ross and Alanna Weisman: 1 shared paper
- Jean-Claude Tardif and Andrew Ha: 1 shared paper
- Jean-Claude Tardif and Andrew Ha: 1 shared paper
- Kumaraswamy Nanthakumar and Andrew Hope: 1 shared paper
- Andrew Ha and David Birnie: 1 shared paper
- Andrew Ha and Atul Verma: 1 shared paper
- Andrew Ha and Andrew Hope: 1 shared paper
- Andrew Ha and Bryan Har: 1 shared paper
- Andrew Ha and Alanna Weisman: 1 shared paper
- Andrew Ha and Atul Verma: 1 shared paper
- Andrew Ha and Christina Luong: 1 shared paper
- Andrew Ha and Christian Steinberg: 1 shared paper
- Christina Luong and Christian Steinberg: 1 shared paper
- Medicine
- Medicine/Cardiology
- Cardiology
- Department of Medicine
- Radiation Oncology
- Community Health Sciences
- School of Epidemiology and Public Health
- Other
Co-authors at University of Toronto, colored by department. Thicker lines mean more shared papers; select anyone to open their profile and their own map.
Jeff Healey
Medicine
7 shared papers, latest 2026
Kumaraswamy Nanthakumar
Medicine/Cardiology
6 shared papers, latest 2026
David Birnie
Department of Medicine
3 shared papers, latest 2020
William McIntyre
Medicine
3 shared papers, latest 2026
Guy Amit
Medicine
3 shared papers, latest 2026
Ratika Parkash
Faculty
2 shared papers, latest 2025
Mohammed Shurrab
Medicine
2 shared papers, latest 2026
Samer Mansour
Faculty
1 shared papers, latest 2021
Atul Verma
Cardiology
1 shared papers, latest 2017
Andrew Hope
Radiation Oncology
1 shared papers, latest 2019
Léna Rivard
Cardiology
1 shared papers, latest 2017
Paul Khairy
Cardiology
1 shared papers, latest 2020
Bryan Har
Community Health Sciences
1 shared papers, latest 2021
Alanna Weisman
Medicine
1 shared papers, latest 2025
Atul Verma
Faculty
1 shared papers, latest 2026
Wade Thompson
Anesthesiology, Pharmacology and Therapeutics
1 shared papers, latest 2025
Laurent Macle
Faculty
1 shared papers, latest 2020
Christina Luong
Cardiology
1 shared papers, latest 2020
David Birnie
Faculty
1 shared papers, latest 2017
Christian Steinberg
Faculty
1 shared papers, latest 2020
Pablo Nery
Department of Medicine
1 shared papers, latest 2020
Emilie Belley-Cote
Medicine
1 shared papers, latest 2026
Amritanshu Pandey
Medicine
1 shared papers, latest 2017
George Wells
School of Epidemiology and Public Health
1 shared papers, latest 2020
Jean-Claude Tardif
Medicine
1 shared papers, latest 2017
Heather Ross
Medicine/Cardiology
1 shared papers, latest 2025
Jean-Claude Tardif
Chemical Engineering
1 shared papers, latest 2017
Jean-Claude Tardif
Physical Sciences
1 shared papers, latest 2017
Vidal Essebag
Medicine
1 shared papers, latest 2026
Ratika Parkash
Cardiology
1 shared papers, latest 2017
Jon-david Schwalm
Medicine
1 shared papers, latest 2021
Ratika Parkash
Cardiology
1 shared papers, latest 2017
Shamir Mehta
Medicine
1 shared papers, latest 2017
Mukul Sharma
Medicine
1 shared papers, latest 2026
Madhu Natarajan
Medicine
1 shared papers, latest 2021
Darryl Leong
Medicine
1 shared papers, latest 2017
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