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Related Concept Videos

Cardiac Catheterization III: Left Heart Catheterization01:24

Cardiac Catheterization III: Left Heart Catheterization

Left heart catheterization is an invasive diagnostic procedure used to evaluate the function and structure of the left side of the heart. It is generally performed to diagnose and treat cardiovascular conditions such as valve abnormalities, coronary artery disease, and congenital heart defects.Diagnostic and therapeutic purposesLeft heart catheterization serves various diagnostic and therapeutic purposes, including:Assessing coronary artery bypass grafts.Evaluating coronary artery disease in...

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

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Published on: February 26, 2013

Transcatheter left atrial appendage occlusion.

Creighton W Don1, Cindy J Fuller, Mark Reisman

  • 1Department of General Internal Medicine, Division of Cardiology, University of Washington Medical Center, Seattle, 98195, USA.

Cardiology Clinics
|August 13, 2013
PubMed
Summary

Left atrial appendage (LAA) occlusion may reduce stroke risk in atrial fibrillation (AF) patients. While effective, procedural safety events necessitate comparison with newer anticoagulants.

Keywords:
Atrial fibrillationLeft atrial appendageOcclusionTranscatheter

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Area of Science:

  • Cardiology
  • Vascular Surgery
  • Neurology

Background:

  • Atrial fibrillation (AF) increases stroke risk.
  • Left atrial appendage (LAA) occlusion is a strategy to mitigate this risk.
  • Warfarin has been a traditional anticoagulant for AF, but carries bleeding risks.

Purpose of the Study:

  • To evaluate the efficacy and safety of LAA occlusion compared to warfarin in nonvalvular AF patients.
  • To assess long-term outcomes of LAA occlusion.
  • To determine the impact of novel oral anticoagulants (NOACs) on the LAA occlusion landscape.

Main Methods:

  • Review of clinical trials comparing LAA occlusion with warfarin.
  • Analysis of long-term follow-up data from these trials.
  • Consideration of the safety and efficacy profiles of NOACs.

Main Results:

  • LAA occlusion reduced hemorrhagic stroke compared to warfarin.
  • Procedural complications led to an increase in safety events.
  • Long-term follow-up suggests LAA occlusion may be superior due to fewer strokes and bleeding events.

Conclusions:

  • LAA occlusion shows promise for stroke risk reduction in AF.
  • The advent of NOACs with favorable safety profiles necessitates further research.
  • Randomized trials comparing LAA occlusion with NOACs are needed.