Cited by 25Cardiac Arrhythmias and TreatmentsCongenital Heart Disease StudiesAtrial Fibrillation Management and Outcomes

Atrial flutter catheter ablation in adult patients with repaired tetralogy of Fallot: mechanisms and outcomes of percutaneous catheter ablation in a consecutive series

Biviano, Angelo, Garan, Hasan, Hickey, Kathleen, Whang, William, Dizon, Jose, Rosenbaum, Marlon·2010·Journal of Interventional Cardiac Electrophysiology

Abstract

Background Prior investigators note successful ablation of both typical cavotricuspid isthmus-dependent and scar-related macroreentrant right atrial flutters (AFL) in adult patients with repaired tetralogy of Fallot (TOF). However, an analysis of the mechanisms (including a description of a uniform approach to diagnose such mechanisms), and clinical outcomes of catheter ablation in a consecutive series of adult patients with AFL late after surgical TOF repair has not been previously reported.Methods Background clinical data and follow-up were evaluated in a consecutive series of TOF patients evaluated from September 2001 to June 2008.Results We report a prevalence of sustained, symptomatic AFL in patients with repaired TOF equal to 20% (28/140 patients), and of recurrent, drug-refractory and/or severely symptomatic AFL to be 11% (16/140 patients). The AFLs manifested variable cycle lengths ranging from 215 to 525 ms. Underlying mechanisms were: (1) cavotricuspid (CTI)-dependent, counterclockwise atrial flutter (n=8 patients); (2) non-CTI-dependent macroreentrant scar-related AFL (n=6 patients); and (3) both CTI- and non-CTI-dependent macroreentrant AFL (n=2 patients). Recurrent arrhythmias occurred in six patients, five of whom were successfully treated with repeat ablation. After a mean follow-up of 23 months, 15 of 16 patients were alive and free of sustained AFL.Conclusions AFL late after surgical TOF repair occurs in 20% of such patients. In more than half of these patients, the AFLs are drug-refractory and/or severely symptomatic. Despite the presence of congenital heart disease treated with prior cardiac surgery and AFLs with variable atrial cycle lengths, the CTI-dependent mechanism underlies approximately half of the sustained, symptomatic AFLs.

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Crossref · 10.1007/s10840-010-9477-5

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Authors
Biviano, A., Garan, H., Hickey, K., Whang, W., Dizon, J., & Rosenbaum, M.
Affiliations
  • Columbia University Irving Medical Center (US)
  • Columbia University (US)
Corresponding author
Biviano, Angelo
Venue
Journal of Interventional Cardiac Electrophysiology
Published
2010-04-14
Volume
28
Issue
2
Pages
125-135
ISSN
  • 1383-875X (ISSN-L)
  • 1572-8595
OpenAlex
W2023036617
Cited by
25
References
31
Citations by year
2026: 2 · 2025: 3 · 2024: 1 · 2022: 1 · 2019: 2 · 2018: 1 · 2017: 3 · 2016: 4 · 2015: 1 · 2014: 2 · 2013: 1 · 2012: 1
FWCI
1.10
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Interventional Cardiac Electrophysiology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac Arrhythmias and Treatments
  • Health Sciences › Medicine › Epidemiology › Congenital Heart Disease Studies
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Atrial Fibrillation Management and Outcomes
Keywords
atrial flutter, repaired tetralogy of Fallot, catheter ablation, adult congenital heart disease, recurrent arrhythmia, drug-refractory arrhythmia, atrial cycle length, ablation outcomes
MeSH terms
Adult, Atrial Flutter, Female, Humans, Male, Middle Aged, Recurrence, Retrospective Studies, Tetralogy of Fallot, Prevalence, Treatment Outcome, Catheter Ablation, Electrophysiologic Techniques, Cardiac

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