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.

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