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Meta-analysis of randomized controlled trials on atrial fibrillation ablation in patients with heart failure with

Aiman Smer1, Mohsin Salih2, Yousef H Darrat3

  • 1Department of Cardiovascular Medicine, CHI Health Creighton University School of Medicine, Omaha, Nebraska.

Clinical Cardiology
|September 5, 2018
PubMed

Insights

Catheter ablation (CA) significantly improves outcomes for patients with atrial fibrillation (AF) and heart failure with reduced ejection fraction (HFrEF) compared to medical therapy alone. CA enhances quality of life, reduces hospitalizations, and lowers mortality risk.

Area of Science:

  • Cardiology
  • Electrophysiology
  • Heart Failure Management

Background:

  • Catheter ablation (CA) is an emerging therapeutic option for patients experiencing atrial fibrillation (AF) and heart failure (HF).
  • Heart failure with reduced ejection fraction (HFrEF) presents unique challenges in managing AF patients.

Purpose of the Study:

  • To compare the efficacy and clinical outcomes of catheter ablation (CA) versus medical therapy in patients diagnosed with atrial fibrillation (AF) and heart failure with reduced ejection fraction (HFrEF).

Main Methods:

  • A systematic literature search was conducted to identify randomized clinical trials comparing CA to medical therapy in AF patients with HFrEF.
  • Data from six trials involving 775 patients were analyzed.

Main Results:

  • Catheter ablation (CA) significantly improved left ventricular ejection fraction (LVEF) by 5.9%, enhanced quality of life, and increased functional capacity compared to medical therapy.
  • CA led to a significant reduction in heart failure (HF) hospital readmissions (OR 0.5) and all-cause mortality (OR 0.46).
  • Freedom from AF was substantially higher in the CA group (OR 24.2) compared to medical therapy.

Conclusions:

  • Catheter ablation (CA) demonstrates superiority over medical therapy for patients with AF and HFrEF, improving symptoms, hemodynamic function, and clinical outcomes by reducing AF burden.
  • The findings highlight the benefits of CA but are specific to the patient population studied in the trials.
Abstract

Keywords:
ablationatrial fibrillationheart failure

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