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Related Experiment Videos

Catheter ablation or modulation of the AV node.

Etienne Aliot1, Christian De Chillou, Nicolas Sadoul

  • 1Department of Cardiology, University of Nancy, France. e.aliot@chu-nancy.fr

Cardiac Electrophysiology Review
|November 20, 2002
PubMed
Summary

Ablate and pace therapy offers a safe and effective treatment for symptomatic atrial fibrillation (AF), significantly improving quality of life and cardiac function. While concerns about long-term survival exist, recent data suggest it does not negatively impact mortality.

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Area of Science:

  • Cardiology
  • Electrophysiology
  • Medical Therapy

Background:

  • Medically refractory atrial fibrillation (AF) presents significant symptoms and impacts quality of life.
  • Current treatments for highly symptomatic AF may have limitations or side effects.

Purpose of the Study:

  • To evaluate the efficacy and safety of the ablate and pace strategy for managing medically refractory, highly symptomatic atrial fibrillation (AF).
  • To assess the impact of atrioventricular (AV) node ablation and modulation on patient symptoms, quality of life, cardiac function, and survival.

Main Methods:

  • Review of existing data on the ablate and pace strategy, including AV node ablation and AV node modulation.
  • Analysis of success rates, in-hospital events, safety profiles, and effects on symptoms, exercise tolerance, quality of life, and left ventricular ejection fraction.

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Main Results:

  • Ablate and pace therapy demonstrates a high success rate (approaching 100%) with a typically event-free in-hospital course.
  • Procedures lead to significant reductions in cardiac symptoms, healthcare utilization, and improvements in exercise tolerance and quality of life.
  • Significant improvement in left ventricular ejection fraction is observed, particularly in patients with reduced systolic function.

Conclusions:

  • AV node ablation and pacing are safe and effective for palliative management of symptomatic AF, improving quality of life and cardiac performance.
  • While early reports raised concerns about mortality, recent data do not confirm excess deaths.
  • AV node modulation offers an alternative to avoid permanent pacemaker dependency, with a 70% success rate, though long-term outcomes require further study.