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Related Experiment Video

Updated: May 18, 2026

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

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation

Published on: February 26, 2013

Left atrial appendage occlusion for stroke prevention.

Oluseun Alli, David R Holmes

    Current Problems in Cardiology
    |September 27, 2012
    PubMed
    Summary
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    Atrial fibrillation (AF) increases stroke risk via left atrial appendage (LAA) thrombi. LAA occlusion offers an alternative to anticoagulation for stroke prevention in AF patients.

    Area of Science:

    • Cardiology
    • Medical Devices
    • Stroke Prevention

    Background:

    • Atrial fibrillation (AF) is a common arrhythmia linked to thromboembolic stroke.
    • The left atrial appendage (LAA) is a primary site for thrombus formation in AF patients.
    • Current anticoagulation therapies (warfarin, newer agents) have limitations, including bleeding risks.

    Purpose of the Study:

    • To review the anatomy and physiology of the LAA.
    • To discuss stroke prevention strategies in AF.
    • To evaluate LAA occlusion devices and technologies.

    Main Methods:

    • Literature review of LAA anatomy, physiology, and stroke pathophysiology.
    • Analysis of current medical therapies for stroke prevention in AF.
    • Review of available LAA occlusion devices and clinical data.

    More Related Videos

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

    The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation

    Published on: February 28, 2012

    Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure
    07:41

    Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure

    Published on: February 8, 2022

    Related Experiment Videos

    Last Updated: May 18, 2026

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

    Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation

    Published on: February 26, 2013

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

    The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation

    Published on: February 28, 2012

    Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure
    07:41

    Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure

    Published on: February 8, 2022

    Main Results:

    • The LAA is a key source of emboli in AF-related strokes.
    • LAA occlusion is an emerging alternative to anticoagulation.
    • Various devices and techniques for LAA occlusion are available and under investigation.

    Conclusions:

    • LAA occlusion presents a promising alternative to long-term anticoagulation for stroke prevention in AF.
    • Further data on LAA occlusion technologies are needed to establish their role in clinical practice.