Background: Atrial fibrillation (AF) is considered the major cause of stroke in the
Transcatheter-elderly. Alternative therapies to the anticoagulant therapy are warranted, particularly in patients
Left atrial appendagew'10 are i^^ligi^le or at high risk of bleeding. The left atrial appendage (LAA) is a prominent source
closure;-of thrombi in nonvalvular AF, accounting for 90% of thrombi. As a result, surgical and tran-
Atrial fibrillation sscatheter techniques have been explored to reduce the risk of stroke in patients with AF by occlud
ing the LAA. |