Cited by 277Congenital Heart Disease StudiesCardiac Arrhythmias and TreatmentsCardiac electrophysiology and arrhythmias

Sustained ventricular tachycardia in adult patients late after repair of tetralogy of Fallot

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Harrison, David A, Harris, Louise, Siu, Samuel C, MacLoghlin, Cynthia J, Connelly, Michael S, Webb, Gary D, Downar, Eugene, McLaughlin, Peter R +1 more·1997·Journal of the American College of Cardiology

Abstract

Objectives We sought to determine the features associated with sustained monoform ventricular tachycardia (VT) in adult patients late after repair of tetralogy of Fallot (TOF) and to review their management.Background Patients with repair of TOF are at risk for sudden death. Risk factors for ventricular arrhythmia have been identified from patients with ventricular ectopic beats because of the low prevalence of sustained VT.Methods From a retrospective chart review of patients assessed between January 1990 and December 1994, 18 adult patients with VT were identified and compared with 192 with repaired TOF free of sustained arrhythmia.Results There was no significant difference in age at repair, age at follow-up or operative history. Patients with VT had frequent ventricular ectopic beats (6 of 9 vs. 21 of 101), low cardiac index ([mean +/- SD] 2.4 +/- 0.4 vs. 3.0 +/- 0.8) and more structural abnormalities of the right ventricle (outflow tract aneurysms and pulmonary or tricuspid regurgitation) than control patients. Electrophysiologic map-guided operation was performed in 10 of 14 patients who required reoperation. VT has reoccurred in three of these patients. Four patients did not undergo operation (three received amiodarone; one underwent defibrillator implantation). Two patients with VT also had severe heart failure and died.Conclusions Most patients with VT late after repair of TOF have outflow tract aneurysms or pulmonary regurgitation, or both. These patients have a greater frequency of ventricular ectopic beats than arrhythmia-free patients after repair of TOF. A combined approach of correcting significant structural abnormalities (pulmonary valve replacement or right ventricular aneurysmectomy, or both) with intraoperative electrophysiologic-guided ablation may reduce the potential risk of deterioration in ventricular function and enable arrhythmia management to be optimized.

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  1. Misaki T, Tsubota M, Watanabe G, et al. Surgical treatment of ventricular tachycardia after surgical repair of tetralogy of Fallot. Circulation 1994;90: 264 -71.

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Authors
Harrison, D. A., Harris, L., Siu, S. C., MacLoghlin, C. J., Connelly, M. S., Webb, G. D., Downar, E., McLaughlin, P. R., & Williams, W. G.
Affiliations
University of Toronto (CA)
Corresponding author
Harris, Louise
Venue
Journal of the American College of Cardiology
Publisher
Elsevier BV
Published
1997-11
Volume
30
Issue
5
Pages
1368-1373
ISSN
0735-1097 (ISSN-L)
OpenAlex
W2083076536
Cited by
277
References
28
Citations by year
2026: 2 · 2025: 3 · 2024: 3 · 2023: 4 · 2022: 7 · 2021: 6 · 2020: 9 · 2019: 5 · 2018: 12 · 2017: 12 · 2016: 9 · 2015: 7 · 2014: 15 · 2013: 19 · 2012: 13
FWCI
5.01
Type
journal article
Language
en
Open access
Locations
  • Journal of the American College of Cardiology (publishedVersion)
  • PubMed (publishedVersion)
Funders
Heart and Stroke Foundation of Canada
Topics
  • Health Sciences › Medicine › Epidemiology › Congenital Heart Disease Studies
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac Arrhythmias and Treatments
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac electrophysiology and arrhythmias
Keywords
sustained ventricular tachycardia, tetralogy of Fallot, repaired congenital heart disease, premature ventricular contractions, right ventricular outflow tract aneurysm, pulmonary regurgitation, tricuspid regurgitation, cardiac index, pulmonary valve replacement, aneurysm resection, amiodarone, implantable cardioverter-defibrillator, sudden cardiac death
MeSH terms
Adult, Coronary Aneurysm, Female, Hemodynamics, Humans, Male, Middle Aged, Postoperative Complications, Retrospective Studies, Risk Factors, Tetralogy of Fallot, Time Factors, Treatment Outcome, Tachycardia, Ventricular

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