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Updated: May 7, 2026
The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation
Published on: February 28, 2012
[Surgical closure of the left atrial appendage in cardiac surgery: a review article]
1Hospital Nacional Alberto Sabogal Sologuren - EsSalud, Lima, Perú. Hospital Nacional Alberto Sabogal Sologuren - EsSalud Lima Perú.
Insights
Surgical occlusion of the left atrial appendage significantly lowers stroke risk in atrial fibrillation patients. This review explores the anatomical and surgical basis for this recommended cardiac surgery procedure.
Area of Science:
- Cardiovascular Surgery
- Cardiac Electrophysiology
- Thrombosis Prevention
Context:
- Atrial fibrillation (AF) is a common arrhythmia associated with a high risk of stroke.
- Left atrial appendage (LAA) occlusion is a recommended procedure during cardiac surgery for AF patients.
- Systemic embolism is a significant complication in AF patients.
Purpose:
- To review the anatomical principles of the left atrial appendage.
- To outline the surgical techniques for LAA occlusion.
- To evaluate the clinical evidence supporting LAA occlusion in AF patients.
Summary:
- Surgical LAA occlusion during cardiac surgery is effective in reducing stroke and embolism risk.
- The procedure is highly recommended for patients with atrial fibrillation.
- Understanding anatomical and surgical aspects is crucial for successful implementation.
Impact:
- Enhances patient safety by mitigating thromboembolic events.
- Provides cardiovascular surgeons with an additional impactful procedure.
- Supports evidence-based practice in managing AF-related stroke risk.
Abstract:
Surgical occlusion of the left atrial appendage during cardiac surgery has been shown to significantly reduce the risk of stroke and systemic embolism in patients with atrial fibrillation and is currently a procedure with a high degree of recommendation. As cardiovascular surgeons we have the opportunity to offer this additional impactful surgical procedure, so the objective of this review is to understand its anatomical and surgical principles, in addition to evaluating the evidence that supports its indication.
