Mu Chen, Peng-Cheng Yao, Zhen-Tao Fei, Qun-Shan Wang, Yi-Chi Yu, Peng-Pai Zhang, Wei Li, Rui Zhang, Bin-Feng Mo, Ming-Zhe Zhao, Yi Yu, Mei Yang, Yan Zhao, Chang-Qi Gong, Jian Sun, Yi-Gang Li
BACKGROUND: The prognostic impact of left atrial appendage (LAA) patency, including those with and without visible peri-device leak (PDL), post-LAA closure in patients with atrial fibrillation, remains elusive. METHODS: Patients with atrial fibrillation implanted with the WATCHMAN 2.5 device were prospectively enrolled. The device surveillance by cardiac computed tomography angiography was performed at 3 months post-procedure. Adverse events, including stroke/transient ischemic attack (TIA), major bleeding, cardiovascular death, all-cause death, and the combined major adverse events (MAEs), were compared between patients with complete closure and LAA patency...
April 17, 2024: Circulation. Cardiovascular Interventions