[Techniques for occlusion of the left atrial appendage: chances and risks].
Atrial fibrillation causes 15-20% of ischemic strokes and the overall risk of stroke in patients with non-valvular atrial fibrillation is about 5% per year globally. Warfarin has long been the cornerstone for decreasing risks of stroke in patients with atrial fibrillation and its efficacy has been well established. However, 14-44% of patients with atrial fibrillation who are at risk of stroke are ineligible for anticoagulation therapy, mostly owing to the risks of major bleeding and falls. Occlusion of the left atrial appendage (LAA) appears to be an interesting new tool to prevent thromboembolic events in selected cases. In addition to surgical techniques, percutaneous transcatheter approaches have been introduced to occlude the LAA. Recent results indicate non-inferiority of mechanical occlusion of the LAA in comparison to warfarin therapy.
Medizinische Klinik II, St. Vincenz-Krankenhaus GmbH, Paderborn, Deutschland. andreas.goette@med.ovgu.de
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Goette
D020517:Atrial Appendage; D001281:Atrial Fibrillation / Q000150:complications* / Q000628:therapy*; D006328:Cardiac Catheterization / Q000295:instrumentation / Q000379:methods*; D006801:Humans; D018570:Risk Assessment; D055989:Septal Occluder Device; D020521:Stroke / Q000209:etiology* / Q000517:prevention & control*; D016896:Treatment Outcome
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