Cited by 136Cardiac Arrhythmias and TreatmentsCongenital Heart Disease StudiesAtrial Fibrillation Management and Outcomes

Outcome of Intra-Atrial Re-Entrant Tachycardia Catheter Ablation in Adults With Congenital Heart Disease

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Yap, Sing-Chien, Harris, Louise, Silversides, Candice K., Downar, Eugene, Chauhan, Vijay S.·2010·Journal of the American College of Cardiology

Abstract

Objectives The aim of this study was to determine the acute and long-term outcome of radiofrequency catheter ablation (RFCA) for intra-atrial re-entrant tachycardia (IART) in adults with congenital heart disease (CHD), and predictors of these outcomes.Background Atrial myopathy can be progressive in CHD and contributes to the substrate for IART. Although the outcome of RFCA for IART has been well described in children and adolescents with CHD, it is unclear whether these results are similar in the adult population.Methods Clinical records of adults with CHD undergoing attempted RFCA of IART were analyzed retrospectively. Multivariate analyses identified clinical and procedural factors that predicted acute and long-term outcomes.Results A total of 193 procedures was performed in 130 patients (mean age 40 ± 13 years); 82 of 118 (69%) initially attempted RFCA were successful, defined as termination of all IART circuits. The use of electroanatomic mapping was associated with a successful RFCA, whereas Fontan palliation and Mustard repair were associated with an unsuccessful RFCA. Median clinical follow-up of 77 patients (≥2 months of follow-up) after a successful RFCA was 3.7 years (range 0.2 to 10.2 years). IART recurrence was noted in 48%, cardioversion/reablation in 42%, and death in 4%. Older age and Fontan palliation were independent predictors of IART recurrence.Conclusions In adults with CHD, acute and long-term outcomes of RFCA for IART are similar to those reported for younger cohorts. Complex atrial surgery limits the success of RFCA, and older age is associated with a higher risk of IART recurrence.

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Crossref · 10.1016/j.jacc.2010.04.061

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Authors
Yap, S.-C., Harris, L., Silversides, C. K., Downar, E., & Chauhan, V. S.
Affiliations
University Health Network (CA)
Corresponding author
Chauhan, Vijay S.
Venue
Journal of the American College of Cardiology
Publisher
Elsevier BV
Published
2010-11
Volume
56
Issue
19
Pages
1589-1596
ISSN
0735-1097 (ISSN-L)
OpenAlex
W5676170
Cited by
136
References
23
Citations by year
2026: 3 · 2025: 2 · 2024: 6 · 2023: 7 · 2022: 8 · 2021: 6 · 2020: 5 · 2019: 9 · 2018: 14 · 2017: 15 · 2016: 17 · 2015: 15 · 2014: 8 · 2013: 15 · 2012: 5
FWCI
4.62
Type
journal article
Language
en
Open access
Locations
  • Journal of the American College of Cardiology (publishedVersion)
  • PubMed (publishedVersion)
  • EUR Research Repository (Erasmus University Rotterdam) (submittedVersion)
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
radiofrequency catheter ablation, congenital heart disease, adults, atrial cardiomyopathy, electroanatomical mapping, Fontan palliation, Mustard repair, atrial tachycardia recurrence, age as risk factor
MeSH terms
Adolescent, Adult, Age Factors, Aged, Female, Follow-Up Studies, Heart Atria, Heart Defects, Congenital, Cardiac Surgical Procedures, Humans, Male, Middle Aged, Retrospective Studies, Tachycardia, Atrioventricular Nodal Reentry, Treatment Outcome, Catheter Ablation, Young Adult

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