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

Diogo Faim1, Pedro A Sousa2, Carolina Saleiro2

  • 1Paediatric Cardiology Department, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal.

Cardiology in the Young
|October 12, 2023
PubMed

Insights

Catheter ablation effectively treats cardiac arrhythmias in congenital heart disease (CHD) patients, showing high success rates and a safe profile with minimal recurrence over mid-term follow-up.

Area of Science:

  • Cardiology
  • Electrophysiology
  • Congenital Heart Disease

Background:

  • Cardiac arrhythmias pose significant risks for patients with congenital heart disease (CHD).
  • Catheter ablation is a potential therapeutic option for managing these arrhythmias.

Purpose of the Study:

  • To evaluate the long-term efficacy and safety of catheter ablation in patients diagnosed with congenital heart disease.

Main Methods:

  • Retrospective observational study analyzing data from January 2016 to December 2021.
  • Included 36 patients with CHD undergoing 44 catheter ablation procedures for various arrhythmias.
  • Assessed acute procedural outcomes and long-term recurrence rates.

Main Results:

  • Successful ablation of 54 arrhythmias including atrial flutter, atrial tachycardia, atrial fibrillation, and ventricular tachycardia.
  • Achieved 93% freedom from arrhythmia recurrence after a median follow-up of 37 months.
  • No adverse events were reported, and no recurrence predictors were identified.

Conclusions:

  • Catheter ablation demonstrates high mid-term efficacy in managing cardiac arrhythmias in CHD patients.
  • The procedure is associated with a favorable safety profile, making it a viable treatment option.
Abstract

Keywords:
Catheter ablationarrhythmiascongenital heart diseaselong-term outcome

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