Abstract

There is growing enthusiasm regarding left atrial appendage (LAA) occlusion (LAAO) in the prevention of atrial fibrillation- (AF-) related stroke. A meta-analysis comparing 5-year outcomes of the Watchman (Boston Scientific) LAAO device versus warfarin found that LAAO was comparable in stroke prevention and had less risk of bleeding, intracranial hemorrhage (ICH), and mortality.1 Additionally, the recent Left Atrial Appendage Occlusion Study III trial added enthusiasm about the stroke reduction capacity of LAAO.

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