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Related Experiment Video

Updated: Apr 3, 2026

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
28:13

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Left atrial appendage occlusion for stroke prevention.

Oluseun O Alli, David R Holmes

    Current Problems in Cardiology
    |September 19, 2015
    PubMed
    Summary

    Atrial fibrillation (AF) increases stroke risk due to clots forming in the left atrial appendage (LAA). LAA occlusion offers an alternative to anticoagulation for stroke prevention in AF patients.

    Area of Science:

    • Cardiology
    • Vascular Medicine
    • Interventional Cardiology

    Background:

    • Atrial fibrillation (AF) is a common arrhythmia linked to thromboembolic stroke.
    • The left atrial appendage (LAA) is a primary source of thrombus formation in AF.
    • Current anticoagulation therapies carry bleeding risks.

    Purpose of the Study:

    • To review the role of the LAA in AF-related thromboembolism.
    • To discuss device and surgical LAA occlusion therapies.
    • To evaluate current clinical data on LAA occlusion for stroke prevention.

    Main Methods:

    • Literature review of studies on LAA and thromboembolism in AF.
    • Analysis of clinical data for LAA occlusion devices and surgical techniques.
    • Examination of evidence supporting LAA closure for stroke prevention.

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    Last Updated: Apr 3, 2026

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    28:13

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    Published on: February 26, 2013

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    The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation
    23:33

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    Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure
    07:41

    Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure

    Published on: February 8, 2022

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    Main Results:

    • The LAA is a significant contributor to stroke in AF patients.
    • LAA occlusion is an emerging alternative to anticoagulation.
    • Clinical data supports the efficacy of LAA closure devices.

    Conclusions:

    • LAA occlusion is a viable strategy for stroke risk reduction in AF.
    • Device-based and surgical LAA closure offer alternatives to anticoagulation.
    • Further research and clinical adoption of LAA occlusion are warranted.