Ablation versus medical therapy for patients with atrial fibrillation: An updated meta-analysis

Fatemeh Kheshti1,2, Saeed Abdollahifard2,3, Alireza Hosseinpour1,2

  • 1Department of Cardiovascular Medicine, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran.

Clinical Cardiology
|November 8, 2023
PubMed

Insights

Catheter ablation offers significant benefits for atrial fibrillation (AF) patients compared to medical therapy. Ablation reduces mortality, hospitalization, AF recurrence, and disease progression, while improving heart function.

Area of Science:

  • Cardiology
  • Medical Interventions

Background:

  • Atrial fibrillation (AF) management often involves medical therapy, but its long-term efficacy and impact on clinical outcomes require ongoing evaluation.
  • Comparing catheter ablation against medical management is crucial for optimizing patient care and treatment strategies in AF.

Approach:

  • A systematic review and meta-analysis of 31 studies, including 27 randomized controlled trials with 6965 patients, was conducted.
  • Data from PubMed, Scopus, Embase, and Web of Science were synthesized to compare ablation and medical therapy outcomes.
  • Key clinical outcomes analyzed included stroke, mortality, hospitalization, AF recurrence, AF progression, and left ventricular ejection fraction (LVEF).

Key Points:

  • Catheter ablation demonstrated a significant 29% reduction in all-cause mortality (RR: 0.71) compared to medical therapy.
  • Ablation led to a 57% reduction in hospitalizations (RR: 0.43) and a 53% decrease in AF recurrence (RR: 0.47).
  • Significant improvements were observed in LVEF (MD: 6.84%) and a substantial reduction in AF progression (RR: 0.11) with ablation.

Conclusions:

  • Catheter ablation appears superior to medical therapy for patients with atrial fibrillation, offering significant improvements in major clinical outcomes.
  • Ablation is associated with reduced mortality, hospitalization rates, and AF recurrence, alongside enhanced cardiac function.
  • The findings support catheter ablation as a highly effective treatment option for managing atrial fibrillation and its complications.

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