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零光镜左心室尾闭塞与观察员FLX设备

Tarun Chakravarty¹, Sabah Skaf¹, Uttam Singh¹

¹Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles, California, USA.

|December 21, 2025

概括

这项研究表明,使用Watchman FLX设备的过食管心声导向,零光镜左心房尾闭塞 (LAAO) 是安全的和可行的. 这种方法为LAAO程序提供了传统光学指导的有希望的替代方案.

科学领域:

心脏病学心脏病学
干预心脏病学干预心脏病学
医疗成像医学成像

背景情况:

穿皮左心房尾闭塞 (LAAO) 传统上依赖于光镜指导.
尽量减少辐射暴露是心血管干预的关键目标.

研究的目的:

评估使用Watchman FLX设备进行LAAO的可行性和安全性,而无需使用光镜.
评估LAAO程序的替代指导方法.

主要方法:

在全身麻醉下进行手术,使用过食道心声学 (TEE) 作为指导.
关键的安全终点包括治疗后7天的主要不良事件.
通过周围设备泄漏大小来评估有效性.

主要成果:

239名患者试图用Watchman FLX进行零光镜LAAO;205名 (85.7%) 成功.
一名患者在医院死亡,与手术本身无关.
没有患者有显著的设备周边泄漏 (> 3mm);在7.3%的患者中观察到轻微的泄漏 (< 3mm).

结论:

带有TEE引导的零光学LAAO与Watchman FLX设备是一个安全和可行的方法.
这种技术对LAAO来说代表了光学的一个可行的替代方案.

关键词:

拉奥拉奥拉奥拉奥左心房附属体封闭的情况守望者 FLX 在线观看没有的LAAOO LAAO 零光镜观察员的观察员

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