Eur Heart J:使用Amplatzer Amulet装置进行左心耳封堵

2020-04-06 xiangting MedSci原创

使用Amplatzer Amulet装置进行LAAO后,与预测的风险相比,缺血性卒中的发生率降低了67%。

这项研究旨在评估使用Amplatzer™Amulet™封堵器进行左心耳封堵(LAAO)的安全性和疗效。

适合进行LAAO的房颤患者被纳入一项前瞻性全球研究。植入手术在超声心动图的引导下进行。LAAO后1-3个月进行经食道超声心动图检查(TOE)。由一个核心实验室评估植入和随访TOEs。主要终点是2年时缺血性卒中和心血管死亡的综合。严重不良事件由独立的临床事件委员会裁定。

共有1088例患者入组,年龄75.2±8.5岁;男性占64.5%。CHA2DS2-VASc和HAS-BLED评分分别为4.2±1.6和3.3±1.1。共有71.7%的患者既往发生过大出血,而82.8%的患者有口服抗凝药的禁忌症。植入成功率为99.1%。主要不良事件(术后≤7天)发生率为4.0%,其中包括死亡(0.3%)、卒中(0.4%)、主要血管(1.3%)和装置栓塞(0.2%)。共有80.2%的患者出院时仅接受抗血小板治疗。随访TOE检查时,98.4%的患者装置周边流量<3mm。在1.6%的病例中发现了装置相关性血栓(DRT)。2年时8.7%的患者出现了心血管死亡或缺血性卒中。缺血性卒中的发生率为2.2%/年,与CHA2DS2-VASc预测发生率相比降低了67%。大出血(出血学术研究联盟类型≥3)的发生率为10.1%/年(第1年)和4.0%/年(第2年)。

使用Amplatzer Amulet装置进行LAAO后,与预测的风险相比,缺血性卒中的发生率降低了67%。98.4%的病例完成了封堵术,仅1.6%的病例出现DRT。

原始出处:

David Hildick-Smith. Left atrial appendage occlusion with the Amplatzer™ Amulet™ device: full results of the prospective global observational study. Eur Heart J. 03 April 2020.

 

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    2020-12-26 xuyong536
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    2020-04-10 yourmama
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    2020-04-08 zhaojie88
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    2020-04-08 jxrzshh
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    2020-04-08 slcumt

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