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Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
28:13

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation

Published on: February 26, 2013

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Meta-analysis of medical management versus catheter ablation for atrial fibrillation

Yin-Jun Mao1, Hang Wang1, Jian-Xing Chen2

  • 1Department of Pharmacy, First Affiliated Hospital of Fujian Medical University, Chazhong Road NO.20, Fuzhou, 350000, Fujian, P. R. China.

Reviews in Cardiovascular Medicine
|October 19, 2020
PubMed

Insights

Catheter ablation (CA) offers survival benefits for atrial fibrillation (AF) patients with heart failure and preserved ejection fraction. However, CA

Area of Science:

  • Cardiology
  • Electrophysiology
  • Clinical Trials

Background:

  • Observational studies suggest survival benefits of catheter ablation (CA) over medical management (MM) for atrial fibrillation (AF).
  • Randomized controlled trial (RCT) data comparing CA and MM for AF treatment remain inconclusive.

Purpose of the Study:

  • To conduct a meta-analysis of RCTs evaluating the comparative effectiveness of CA versus MM in AF patients.
  • To assess the impact of CA on mortality, hospitalization, arrhythmia recurrence, and stroke risk.

Main Methods:

  • Systematic search of Cochrane Library, PubMed, and EMBASE for RCTs comparing AF ablation and MM up to January 2020.
  • Meta-analysis of 26 RCTs involving 5788 patients, using risk ratios (RR) and 95% confidence intervals (CI).

Main Results:

  • AF ablation demonstrated a mortality benefit in heart failure patients with better left ventricular ejection fraction (LVEF).
  • CA increased hospitalization risk as first-line therapy but decreased it as second-line therapy.
  • CA effectively reduced atrial arrhythmia recurrence but carried non-negligible complications; stroke risk reduction requires further investigation.

Conclusions:

  • Catheter ablation may benefit select AF patients with heart failure and preserved LVEF, particularly in long-term outcomes.
  • The role of CA as first- or second-line therapy impacts hospitalization risk.
  • Further high-quality RCTs are necessary to definitively establish the long-term stroke risk reduction associated with AF ablation.

Keywords:
Atrial fibrillationcatheter ablationmedical managementmortalitystroke

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