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Mid-term outcomes after catheter ablation in patients with congenital heart disease

Published online by Cambridge University Press:  13 October 2023

Diogo Faim Open the ORCID record for Diogo Faim [Opens in a new window] ,
Pedro A. Sousa ,
Carolina Saleiro ,
Andreia Palma Open the ORCID record for Andreia Palma [Opens in a new window] ,
Andreia Francisco Open the ORCID record for Andreia Francisco [Opens in a new window] ,
Natália António ,
João Cristóvão ,
Luís Elvas ,
Lino Gonçalves  and
António Pires
Diogo Faim*
Affiliation:
Paediatric Cardiology Department, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
Pedro A. Sousa
Affiliation:
Cardiology Department, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
Carolina Saleiro
Affiliation:
Cardiology Department, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
Andreia Palma
Affiliation:
Paediatric Cardiology Department, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
Andreia Francisco
Affiliation:
Paediatric Cardiology Department, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
Natália António
Affiliation:
Cardiology Department, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal Faculty of Medicine, ICBR, University of Coimbra, Coimbra, Portugal
João Cristóvão
Affiliation:
Cardiology Department, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
Luís Elvas
Affiliation:
Cardiology Department, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
Lino Gonçalves
Affiliation:
Cardiology Department, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal Faculty of Medicine, ICBR, University of Coimbra, Coimbra, Portugal
António Pires
Affiliation:
Paediatric Cardiology Department, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal Faculty of Medicine, ICBR, University of Coimbra, Coimbra, Portugal
*
Corresponding author: D. Faim; Email: diogofaim92@gmail.com
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Abstract

Introduction:

Cardiac arrhythmias are a major concern in patients with CHD. The purpose of this study was to evaluate the long-term outcomes in patients with CHD submitted to catheter ablation.

Materials and Methods:

Observational retrospective study of patients with CHD referred for catheter ablation from January 2016 to December 2021 in a tertiary referral centre. Acute procedural endpoints and long-term outcomes were assessed.

Results:

A total of 44 ablation procedures were performed in 36 CHD patients (55% male, mean age 43 ±3 years). Fifty-four arrhythmias were ablated: 23 cavotricuspid isthmus atrial flutters, 10 atrial re-entrant tachycardias, eight focal atrial tachycardias, eight atrial fibrillations, three atrioventricular re-entrant tachycardias, and two ventricular tachycardias. During a median follow-up time of 37 months (interquartile range 12–51), freedom from arrhythmia recurrence was achieved in 93%, with 1.2 procedures per patient (18% with anti-arrhythmic drugs). There were no adverse events related to catheter ablation. No predictors of recurrence were identified.

Conclusion:

In patients with CHD, catheter ablation presents a high mid-term efficacy while maintaining a safe profile.

Keywords

Catheter ablationcongenital heart diseasearrhythmiaslong-term outcome
Type
Original Article
Information
Cardiology in the Young , Volume 34 , Issue 4 , April 2024 , pp. 782 - 787
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Copyright
© The Author(s), 2023. Published by Cambridge University Press

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