Left Atrial Appendage Occlusion: A Narrative Review
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Left atrial appendage occlusion (LAAO) is a proposed alternative to oral anticoagulation in reducing stroke in patients with atrial fibrillation. It is suggested that LAAO is most suitable in patients at increased risk of stroke or bleeding or with contraindication to pharmacologic intervention. Despite the increase in evidence evaluating LAAO, the relative safety and efficacy of the procedure remains uncertain. Presently, several ongoing randomized trials are comparing various devices to each other and to pharmacologic anticoagulation. The objectives of this narrative review were to present the evidence on percutaneous and surgical LAAO devices, review current guidelines, and summarize landmark trials.
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