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Updated: Mar 2, 2026

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
Published on: February 26, 2013
Exploring the Potential Role of Catheter Ablation in Patients with Asymptomatic Atrial Fibrillation: Should We Move
Giovanni B Forleo1, Luigi Di Biase2,3, Domenico G Della Rocca1
1Policlinico Universitario Tor Vergata, Rome, Italy.
Insights
Silent atrial fibrillation (AF) affects many patients, yet they are excluded from trials. This review explores catheter ablation for asymptomatic AF, questioning current guidelines and highlighting the need for more research.
Area of Science:
- Cardiology
- Electrophysiology
- Medical Research
Background:
- Silent atrial fibrillation (AF) represents a significant patient group often excluded from clinical trials.
- Asymptomatic AF patients may have distinct risk profiles and poorer long-term outcomes than symptomatic individuals.
- Current guidelines restrict AF ablation to symptomatic patients, overlooking potential benefits in asymptomatic populations.
Purpose of the Study:
- To review the current evidence and unresolved questions regarding catheter ablation for asymptomatic atrial fibrillation.
- To evaluate the potential role of rhythm control strategies in improving outcomes for patients with asymptomatic AF.
- To address the increasing trend of referring asymptomatic AF patients for catheter ablation.
Main Methods:
- Literature review of existing studies on atrial fibrillation management and ablation.
- Analysis of evidence comparing outcomes in symptomatic versus asymptomatic AF patients.
- Discussion of evolving ablation techniques and their safety profiles.
Main Results:
- Limited data currently exist on the efficacy and safety of catheter ablation in asymptomatic AF patients.
- Evidence suggests a potential for worse outcomes in asymptomatic AF, challenging symptom-based treatment decisions.
- Improved ablation techniques have led to decreased complication rates, increasing interest in treating asymptomatic AF.
Conclusions:
- Current guidelines may not adequately address the needs of asymptomatic AF patients.
- Further research is crucial to determine the optimal role of catheter ablation in asymptomatic AF.
- AF burden and rhythm control strategies warrant greater consideration, irrespective of symptoms, for potential morbidity and mortality benefits.
Abstract:
Although silent atrial fibrillation (AF) accounts for a significant proportion of patients with AF, asymptomatic patients have been excluded from AF ablation trials. This population presents unique challenges to disease management. Recent evidence suggests that patients with asymptomatic AF may have a different risk profile and even worse long-term outcomes compared to patients with symptomatic AF. For the same reasons they might be more prone to side-effects of antiarrhythmic drugs, including pro-arrhythmias. The poor correlation between symptoms and AF demonstrated in several studies should caution physicians against making clinical decisions depending on symptoms. Although current guidelines recommend AF ablation only in patients with symptoms, more attention should be paid to the AF burden and a rhythm control strategy has the potential to improve morbidity and mortality in AF patients. However, limited data exist regarding the use of catheter ablation for asymptomatic AF patients. As ablation techniques have improved, AF ablation has become more widespread and complication rate decreased. As a result, referrals of asymptomatic patients for catheter ablation of AF are on the rise. In this review we discuss the many unresolved questions concerning the role of the ablative approach in asymptomatic patients with AF.
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