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Eugene Downar

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ProfessorDepartment of MedicineUniversity of Toronto

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Research

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

Latest papers

Atrial Arrhythmia Following Extra-cardiac Fontan Surgery: Is the Arrhythmia Mechanism Characterized?
Cardiac electrophysiology clinics · 2026
Intracardiac Echocardiography to Assist Anatomical Isthmus Ablation in Repaired Tetralogy of Fallot Patients With Ventricular Tachycardia: Technique and Outcomes.
JACC. Advances · 2024
The validity of current implantable cardioverter-defibrillator guidelines in a real-world population of adults with congenital heart disease: A single-center experience.
International journal of cardiology. Congenital heart disease · 2022

All 12 publications

12 publications.

Atrial Arrhythmia Following Extra-cardiac Fontan Surgery: Is the Arrhythmia Mechanism Characterized?

Nayyar S, De Silva K, Benson L, Downar E, Nair K

Cardiac electrophysiology clinics2026

DOI: 10.1016/j.ccep.2026.06.001 PMID: 42580789

Intracardiac Echocardiography to Assist Anatomical Isthmus Ablation in Repaired Tetralogy of Fallot Patients With Ventricular Tachycardia: Technique and Outcomes.

Denham NC, Selvaraj R, Kakarla J, Patloori SCS, Roche SL, Thorne S, Oechslin E, Massarella D, Wald R, Alonso-Gonzalez R, Silversides C, Downar E, Nair K

JACC. Advances20241 citationsOpen Access

DOI: 10.1016/j.jacadv.2024.101329 PMID: 39493314

The validity of current implantable cardioverter-defibrillator guidelines in a real-world population of adults with congenital heart disease: A single-center experience.

Kawada S, Chakraborty P, Nanthakumar J, Albertini L, Oechslin EN, Roche SL, Silversides C, Wald RM, Downar E, Harris L, Swan L, Alonso-Gonzalez R, Thorne S, Nanthakumar K, Mondésert B, Khairy P, Nair K

International journal of cardiology. Congenital heart disease2022Open Access

DOI: 10.1016/j.ijcchd.2022.100355 PMID: 39712064

The Role of Ablation in Prevention of Recurrent Implantable Cardioverter Defibrillator Shocks in Patients With Tetralogy of Fallot.

Kawada S, Chakraborty P, Downar E, Sanchez AP, Sathananthan G, Bhaskaran A, Kugamoorthy P, Albertini L, Oechslin EN, Silversides C, Wald RM, Roche SL, Swan L, Alonso-Gonzalez R, Thorne S, Harris L, Hickey E, Nanthakumar K, Mondésert B, Khairy P, Nair K

CJC open202111 citationsOpen Access

DOI: 10.1016/j.cjco.2021.01.005 PMID: 34027366

Safety and Long-term Outcomes of Defibrillator Therapy in Patients With Right-Sided Implantable Cardiac Devices in Adults With Congenital Heart Disease.

Kawada S, Chakraborty P, Albertini L, Bhaskaran A, Oechslin EN, Sliversides C, Wald RM, Roche SL, Harris L, Swan L, Alonso-Gonzalez R, Thorne S, Downar E, Nanthakumar K, Mondésert B, Khairy P, Nair K

The Canadian journal of cardiology20213 citations

DOI: 10.1016/j.cjca.2020.05.038 PMID: 32522524

Impact of Catheter Ablation for Atrial Arrhythmias on Repeat Cardioversion in Adults With Congenital Heart Disease.

Kawada S, Joens C, Chakraborty P, Oechslin EN, Roche SL, Silversides C, Wald RM, Downar E, Harris L, Swan L, Alonso-Gonzalez R, Thorne S, Nanthakumar K, Mondésert B, Khairy P, Nair K

The Canadian journal of cardiology20213 citations

DOI: 10.1016/j.cjca.2020.11.006 PMID: 33246004

Lateral tunnel Fontan atrial tachycardia ablation trans-baffle access is not mandatory as the initial strategy.

Bhaskaran A, Nayyar S, Charla P, Saeed Y, Haldar S, Porta-Sánchez A, Kugamoorthy P, Hans A, Jons C, Oechslin E, Hickey E, Harris L, Silversides C, Roche SL, Downar E, Nanthakumar K, Nair K

Journal of interventional cardiac electrophysiology : an international journal of arrhythmias and pacing20206 citations

DOI: 10.1007/s10840-019-00580-5 PMID: 31399922

Health Care Utilization After Ventricular Tachycardia Ablation: A Propensity Score-Matched Cohort Study.

Porta-Sánchez A, Ha ACT, Wang X, Almehmadi F, Austin PC, Fischer HD, Al-Qubbany A, Chemello D, Chauhan V, Downar E, Lee DS, Nanthakumar K

The Canadian journal of cardiology20198 citations

DOI: 10.1016/j.cjca.2018.10.011 PMID: 30760423

Tachycardia post-mustard repair, short postpacing interval minus tachycardia cycle length, and a centrifugal propagation map: what is the mechanism?

King BJ, Das M, Downar E, Nair K

Pacing and clinical electrophysiology : PACE2014

DOI: 10.1111/pace.12335 PMID: 24383587

Ventricular fibrillation in myopathic human hearts: mechanistic insights from in vivo global endocardial and epicardial mapping.

Massé S, Downar E, Chauhan V, Sevaptsidis E, Nanthakumar K

American journal of physiology. Heart and circulatory physiology2007104 citations

DOI: 10.1152/ajpheart.01336.2006 PMID: 17259437

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

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Eugene Downar

Research

Latest papers

Atrial Arrhythmia Following Extra-cardiac Fontan Surgery: Is the Arrhythmia Mechanism Characterized?

Intracardiac Echocardiography to Assist Anatomical Isthmus Ablation in Repaired Tetralogy of Fallot Patients With Ventricular Tachycardia: Technique and Outcomes.

The validity of current implantable cardioverter-defibrillator guidelines in a real-world population of adults with congenital heart disease: A single-center experience.

The Role of Ablation in Prevention of Recurrent Implantable Cardioverter Defibrillator Shocks in Patients With Tetralogy of Fallot.

Safety and Long-term Outcomes of Defibrillator Therapy in Patients With Right-Sided Implantable Cardiac Devices in Adults With Congenital Heart Disease.

Impact of Catheter Ablation for Atrial Arrhythmias on Repeat Cardioversion in Adults With Congenital Heart Disease.

Lateral tunnel Fontan atrial tachycardia ablation trans-baffle access is not mandatory as the initial strategy.

Health Care Utilization After Ventricular Tachycardia Ablation: A Propensity Score-Matched Cohort Study.

Tachycardia post-mustard repair, short postpacing interval minus tachycardia cycle length, and a centrifugal propagation map: what is the mechanism?

Ventricular fibrillation in myopathic human hearts: mechanistic insights from in vivo global endocardial and epicardial mapping.

Frequent collaborators

Kumaraswamy Nanthakumar

Krishnakumar Nair

Candice Silversides

Louise Harris

Sara Thorne

Rachel Wald

Rafael Alonso-Gonzalez

Paul Khairy

Vijay Chauhan

Praloy Chakraborty

Lisa Albertini

Abhishek Bhaskaran

Erwin Oechslin

Danielle Massarella

Lee Benson

Douglas Lee

Paul Dorian

Peter Austin

Andrew Ha