Safety and efficacy of transcatheter left atrial appendage closure using theWatchman device in Egyptian patients with nonvalvular atrial fibrillation
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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.