期刊
JOURNAL OF CLINICAL MEDICINE
卷 11, 期 23, 页码 -出版社
MDPI
DOI: 10.3390/jcm11236944
关键词
atrial fibrillation; left atrial appendage occlusion; ischemic CVA; hemorrhagic CVA; anticoagulation
Left atrial appendage occlusion (LAAO) is an effective and relatively safe treatment for preventing thromboembolic events in atrial fibrillation patients with a contraindication for anticoagulation. However, the long-term prognosis after the procedure remains poor with a substantial risk of thrombotic and bleeding events.
(1) Background: left atrial appendage occlusion (LAAO) is considered an effective and relatively safe treatment for the prevention of thromboembolic events in patients with atrial fibrillation and a contra-indication for anticoagulation. We present a large multicenter real-world experience of transcatheter LAAO implementation in patients with atrial fibrillation who cannot be treated with chronic anti-coagulation; (2) Methods: included were atrial fibrillation patients who underwent transcatheter LAAO between 1 January 2016 and 30 June 2021. The study was conducted using the electronic health record database of Clalit Health Services (CHS). The primary outcomes included hemorrhagic and ischemic stroke following LAAO; (3) Results: included were 389 atrial fibrillation patients. During a median follow-up of 2.1 years, 13% patients had ischemic cerebrovascular accident (CVA), and 4.4% patients had hemorrhagic CVA. While the risk of ischemic stroke increased gradually over time, the risk of hemorrhagic CVA was highest during the first 3 months following the procedure. Moreover, previous ischemic stroke was the only significant predictor for both hemorrhagic and ischemic stroke following LAAO; (4) Conclusions: while the annual performance rate of transcatheter LAAO has increased significantly over the past years, post procedural long-term prognosis remains poor with a substantial risk of both thrombotic and bleeding events.
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