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Updated: Jul 21, 2026

The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation
Published on: February 28, 2012
Bilobed Left Atrial Appendage Closure Using Two Different Types of Occlusion Devices
Joshua Campbell1, Jorge Castellanos2
1Department of Internal Medicine, Louisiana State University Health Sciences Center New Orleans, LSU Internal Medicine Residency, Baton Rouge, Louisianna, USA.
This study presents a novel, safe, and staged approach for left atrial appendage occlusion using Watchman and Amulet devices, addressing complex cases. This technique offers a viable solution for challenging anatomies, improving patient outcomes.
Area of Science:
- Cardiology
- Medical Devices
- Interventional Procedures
Background:
- Left atrial appendage (LAA) occlusion is a crucial procedure for stroke prevention in patients with atrial fibrillation.
- Complex LAA anatomies present significant challenges for device implantation.
- Existing occlusion techniques may not be suitable for all complex LAA morphologies.
Observation:
- A unique, staged approach for LAA occlusion was successfully employed using both Watchman and Amulet devices.
- This technique involved sequential implantation, allowing for adaptation to complex LAA anatomy.
- The procedure demonstrated feasibility and safety in a challenging case.
Findings:
- The staged closure technique proved to be safe and effective for LAA occlusion in a complex anatomical scenario.
- Successful occlusion was achieved, mitigating the risk of thromboembolism.
- The combined use of Watchman and Amulet devices provided flexibility in managing challenging LAA anatomies.
Implications:
- This case highlights a novel and adaptable strategy for LAA occlusion in complex anatomies.
- The staged closure method offers a potential solution for previously untreatable or high-risk cases.
- Further research into this technique could expand treatment options for patients requiring LAA occlusion.
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