Related Experiment Video
Updated: Feb 12, 2026

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
Published on: February 26, 2013
Catheter ablation of atrial fibrillation in heart failure with reduced ejection fraction
Nav Malhi1, Nathaniel M Hawkins1, Jason G Andrade1
1Heart Rhythm Services, Division of Cardiology, Department of Medicine, University of British Columbia, Vancouver, BC, Canada.
Insights
Catheter ablation is being explored for atrial fibrillation in heart failure patients with reduced ejection fraction. This review examines its effectiveness and safety for improving outcomes.
Area of Science:
- Cardiology
- Electrophysiology
- Heart Failure Research
Background:
- Atrial fibrillation and heart failure frequently coexist and are rising in prevalence.
- Current treatments like rate control and pharmacologic rhythm control show no clear superiority in heart failure patients.
- Antiarrhythmic drugs carry risks and limited efficacy in this population.
Purpose of the Study:
- To review current evidence on catheter ablation for atrial fibrillation in patients with heart failure with reduced ejection fraction (HFrEF).
- To assess patient selection criteria, efficacy, and safety of the procedure.
- To evaluate the impact of catheter ablation on clinical outcomes in this specific patient group.
Main Methods:
- Systematic review of contemporary studies.
- Analysis of data on patient selection, ablation techniques, and outcomes.
- Evaluation of safety profiles and adverse events associated with catheter ablation.
Main Results:
- Evidence suggests catheter ablation may be a viable option for select HFrEF patients with atrial fibrillation.
- Studies indicate potential benefits in improving ejection fraction and quality of life.
- Safety data is still evolving, but the procedure appears feasible with acceptable risks when performed by experienced centers.
Conclusions:
- Catheter ablation warrants consideration as a treatment strategy for atrial fibrillation in HFrEF patients.
- Further research is needed to optimize patient selection and long-term outcomes.
- This approach may offer an alternative to less effective pharmacologic therapies.
Abstract:
Atrial fibrillation and heart failure are increasing in prevalence, and frequently coexist. Despite the desire to restore sinus rhythm in heart failure patients, large studies comparing rate control to pharmacologic rhythm control have failed to show superiority of either approach. This may in part be due to the inefficacy and higher risk of adverse effects with antiarrhythmic drugs in HF patients. As such, catheter ablation for atrial fibrillation in patients with heart failure with reduced ejection fraction has been increasingly explored as a treatment modality. We review the contemporary evidence regarding patient selection, efficacy, safety, and impact of catheter ablation on outcomes in patients with atrial fibrillation and heart failure with reduced ejection fraction.
Related Concept Videos
Heart Failure II: Pathophysiology
Pathophysiology of Heart Failure
Heart Failure I: Introduction
Heart Failure VI: Adjunct Therapies
Amyloid Fibrils
Amyloid deposits were observed as early as 1639 in the liver and the spleen. In 1854, Rudolph Virchow performed iodine staining,...
Heart Failure Drugs: Diuretics

