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Updated: Jul 6, 2026

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
Published on: February 26, 2013
Transcatheter ablation of arrhythmias associated with congenital heart disease
Tamas Szili-Torok1, Laszlo Kornyei, Luc J Jordaens
1Department of Pacing and Clinical Electrophysiology, Gottsegen Gyorgy Hungarian Institute of Cardiology, Budapest, Hungary, szili.torok@kardio.hu
Insights
Adults with congenital heart disease (CHD) face increased arrhythmia risks due to surgery. Catheter ablation offers effective treatment for these complex cardiac arrhythmias, improving patient outcomes.
Area of Science:
- Cardiology
- Cardiac Surgery
- Electrophysiology
Background:
- Surgical advancements have prolonged lives for congenital heart disease (CHD) patients.
- Adult CHD survivors face increased risks of late surgical complications, particularly cardiac arrhythmias.
- Arrhythmias in CHD stem from abnormal heart structure, altered physiology, and surgical scars.
Purpose of the Study:
- To review diagnostic challenges in CHD patients with arrhythmias.
- To discuss mapping and ablation techniques for treating arrhythmias in adults with CHD.
- To summarize the outcomes of transcatheter ablation procedures in this population.
Main Methods:
- Literature review of diagnostic and interventional strategies.
- Analysis of catheter ablation techniques in adult CHD patients.
- Evaluation of outcomes and complications associated with ablation.
Main Results:
- Catheter ablation is a viable option for managing atrial and ventricular arrhythmias in adult CHD.
- Specific mapping and ablation strategies are adapted for CHD anatomy.
- Outcomes vary, but ablation can significantly improve quality of life and reduce arrhythmia burden.
Conclusions:
- Transcatheter ablation is crucial for managing arrhythmias in the growing population of adult CHD survivors.
- Addressing diagnostic and technical challenges is key to successful ablation outcomes.
- Further research is needed to optimize ablation strategies and long-term results in complex CHD patients.
Abstract:
The improvement of surgical techniques resulted in significant life prolongation of many young patients with congenital heart disease (CHD). However, as these patients reach adulthood, their risk for late complications associated with surgery is also increased. One of the most difficult challenges associated with CHD is the high incidence of cardiac arrhythmias that arise from either the myocardial substrate created by abnormal physiology (pressure/volume changes, septal patches, and suture lines) or the presence of surgical scar. Catheter ablation is proven to be effective in treating atrial and ventricular arrhythmias in structurally normal hearts, and has also been used to treat arrhythmias in adults with congenital heart disease. In this review we provide an overview about diagnostic challenges, mapping and ablation techniques and outcome of patients undergoing transcatheter ablation procedures.
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