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Updated: Jul 11, 2025

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
Published on: February 26, 2013
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.
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.
Abstract:
To investigate the effect of ablation compared to medical therapy on clinical outcomes of patients with atrial fibrillation (AF). PubMed, Scopus, Embase, and Web of Science databases were searched using ablation, medical treatment, AF, and related words. The effect of ablation and medical therapy was sought to be gathered on stroke or transitional ischemic attack, mortality, hospitalization, recurrence of AF, progression of AF, and left ventricular ejection fraction. Analyses were performed using R software. 31 studies (the results of 27 randomized controlled trials), compromising an overall 6965 patients (Ablation, n = 3643; Medical treatment, n = 3322) were reviewed in our study, revealed that catheter ablation would result in substantial benefits for patients with AF without significant difference in serious adverse events compared to medical management (Risk Ratio: 0.92, [95% Confidence Interval (CI), 0.64-1.33]). Catheter ablation in patients with AF significantly resulted in a 29% reduction in all-cause mortality (RR: 0.71, [95% CI, 0.57-0.88]), a 57% reduction in hospitalization (RR: 0.43, [95% CI, 0.27-0.67]), a 53% reduction in AF recurrence (RR: 0.47, [95% CI, 0.36-0.61]), and a dramatic reduction, 89%, in progression of paroxysmal to persistent AF (RR: 0.11, [95% CI, 0.02-0.65]); also associated with a remarkable improvement in their left ventricular ejection fraction (LVEF) (Mean Difference, MD: 6.84%, [95% CI, 3.27-10.42]) compared to medical therapy. Our study showed that ablation may be superior to medical therapy in patients with AF regarding AF recurrence, mortality, LVEF improvement, hospitalization, and AF progression outcomes.
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