Left atrial appendage occlusion for atrial fibrillation–related stroke despite chronic oral anticoagulation
Data on the benefit of percutaneous left atrial appendage occlusion (LAAO) in patients with atrial fibrillation (AF) who experience stroke despite chronic oral anticoagulation (OAC) are limited and not always consistent. To evaluate the association between LAAO and recurrent stroke or mortality using a pre...