The safety and efficacy of left atrial appendage closure, as compared with oral anticoagulation, in patients at elevated stroke risk undergoing atrial fibrillation ablation have been unclear.

The left atrial appendage is the most common site for cardiac thrombus. It is anatomically attached to the left inferior portion of the left atrium and consists of muscular trabeculae. The left ...

However, there are risks associated with implantation of this permanent device, including infection, pericardial effusion ...