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Updated: Mar 21, 2026

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
Published on: February 26, 2013
Atrial Fibrillation Ablation and Stroke
Philip Aagaard1, David Briceno1, Zoltan Csanadi2
1Department of Medicine, Albert Einstein College of Medicine, Montefiore Hospital, Bronx, NY, USA.
Insights
Catheter ablation effectively restores sinus rhythm in atrial fibrillation patients. However, it carries a risk of cerebral insults, which can be reduced through uninterrupted anticoagulation and monitoring for thrombus during the procedure.
Area of Science:
- Cardiology
- Neurology
- Medical Procedures
Background:
- Catheter ablation is a common treatment for atrial fibrillation unresponsive to medication.
- While generally safe, catheter ablation has associated risks, notably periprocedural cerebral insults.
Purpose of the Study:
- To review the incidence, mechanisms, and impact of cerebral insults related to catheter ablation.
- To outline methods for reducing catheter ablation-associated cerebral insults.
Main Methods:
- This study is a review of existing literature.
- It examines data on periprocedural cerebral insults during catheter ablation for atrial fibrillation.
Main Results:
- Periprocedural cerebral insults are a recognized complication of catheter ablation.
- Strategies such as uninterrupted anticoagulation and vigilant thrombus monitoring are crucial.
Conclusions:
- Catheter ablation is a valuable tool for atrial fibrillation management.
- Implementing specific procedural safeguards can significantly mitigate the risk of cerebral complications.
Abstract:
Catheter ablation has become a widely available and accepted treatment to restore sinus rhythm in atrial fibrillation patients who fail antiarrhythmic drug therapy. Although generally safe, the procedure carries a non-negligible risk of complications, including periprocedural cerebral insults. Uninterrupted anticoagulation, maintenance of an adequate ACT during the procedure, and measures to avoid and detect thrombus build-up on sheaths and atheters during the procedure, appears useful to reduce the risk of embolic events. This is a review of the incidence, mechanisms, impact, and methods to reduce catheter ablation related cerebral insults.
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