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Related Experiment Video

Updated: Mar 22, 2026

Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
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Left Atrial Appendage Closure for Stroke Prevention: Emerging Technologies.

Faisal F Syed1, Paul A Friedman1

  • 1Division of Cardiovascular Diseases, College of Medicine, Mayo Clinic, 200 1st Street Southwest, Rochester, MN 55905, USA.

Cardiac Electrophysiology Clinics
|April 12, 2016
PubMed
Summary

Left atrial appendage (LAA) closure offers a stroke prevention alternative for atrial fibrillation (AF) patients at high bleeding risk. This review examines LAA closure devices and strategies, highlighting research needs for safe, effective stroke risk reduction.

Keywords:
Atrial fibrillationCardioembolic riskLeft atrial appendage closureStroke

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Area of Science:

  • Cardiology
  • Medical Devices
  • Stroke Prevention

Background:

  • Atrial fibrillation (AF) patients face high stroke risk, often complicated by bleeding risks with anticoagulants.
  • Left atrial appendage (LAA) closure emerges as a promising alternative to anticoagulation for stroke risk reduction in AF.

Purpose of the Study:

  • To review current left atrial appendage (LAA) closure approaches for stroke prevention in nonvalvular AF.
  • To identify advantages, disadvantages, and research gaps for LAA closure strategies.

Main Methods:

  • Review of current literature on LAA closure devices and techniques.
  • Analysis of clinical evidence and ongoing research in the field.

Main Results:

  • LAA closure is an effective stroke risk reduction strategy in nonvalvular AF.
  • Various LAA closure devices and methods exist, each with unique profiles.
  • Further research is needed to optimize safety and efficacy.

Conclusions:

  • Left atrial appendage (LAA) closure is a viable alternative to anticoagulation for stroke prevention in AF.
  • Continued research and development are crucial for establishing LAA closure as a standard therapy.