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Updated: Apr 15, 2026

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
Published on: February 26, 2013
Atrial fibrillation ablation and left appendage closure in heart failure patients
Minesh R Patel1, Angelo B Biviano
1From the Department of Medicine, Columbia University Medical Center, New York, New York, USA.
Insights
Atrial fibrillation ablation benefits heart failure patients with reduced ejection fraction. Evidence for ablation in preserved ejection fraction and for left atrial appendage closure in heart failure is limited.
Area of Science:
- Cardiology
- Electrophysiology
- Heart Failure Management
Background:
- Atrial fibrillation (AF) in heart failure (HF) patients increases morbidity and mortality.
- Pharmacologic rhythm control and anticoagulation have limitations for stroke prevention.
- Procedural alternatives like AF ablation and left atrial appendage (LAA) closure are gaining attention.
Purpose of the Study:
- To review evidence for AF ablation in HF patients.
- To evaluate LAA closure in HF patients.
- To assess procedural safety and efficacy for stroke risk and hemodynamic improvement.
Main Methods:
- Systematic review of randomized controlled trials (RCTs) and existing literature.
- Analysis of clinical trial data on AF ablation in HF with reduced ejection fraction (HFrEF) and preserved ejection fraction (HFpEF).
- Assessment of limited RCT data on LAA closure in HF patients.
Main Results:
- AF ablation is safe and effective in HFrEF patients, improving cardiac function, quality of life, and HF symptoms.
- Evidence for AF ablation benefit in HFpEF patients is limited.
- Insufficient data exists on the safety and efficacy of LAA closure in HF patients.
Conclusions:
- AF ablation is well-tolerated and effective in HF patients, comparable to non-HF populations.
- Consistent evidence supports AF ablation for HFrEF.
- Limited evidence exists for AF ablation in HFpEF, and LAA closure data in HF is insufficient.
Purpose Of Review:
Patients with atrial fibrillation and heart failure experience an increased morbidity and mortality from the hemodynamic consequences of atrial fibrillation and an increased stroke risk. Consequently, there has been increased attention to procedural alternatives to pharmacologic rhythm control and anticoagulation for stroke prevention. This review aims to evaluate the evidence for atrial fibrillation ablation and left atrial appendage closure in heart failure patients.
Recent Findings:
Several randomized control trials and systematic reviews demonstrate the safety and efficacy of atrial fibrillation ablation in patients with heart failure and left ventricular systolic dysfunction. In multiple trials, these patients have shown clinical benefit from atrial fibrillation ablation including improved left ventricular systolic function, quality of life, and clinical heart failure symptoms. The evidence of clinical benefit of atrial fibrillation ablation in heart failure patients with preserved ejection fraction remains limited. Only a handful of randomized controlled trials have been performed evaluating left atrial appendage closure, and there is insufficient data regarding the safety and efficacy of these procedures in heart failure patients.
Summary:
Atrial fibrillation ablation in heart failure patients remains well tolerated with an overall efficacy comparable to atrial fibrillation ablation in patients without heart failure. There is consistent evidence for the clinical benefit of atrial fibrillation ablation in heart failure patients with left ventricular systolic dysfunction and limited evidence for atrial fibrillation ablation in heart failure patients with preserved ejection fraction. Currently, there is insufficient data regarding the safety and efficacy of left atrial appendage closure devices in heart failure patients.
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