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左心房尾闭塞研究III-子子研究

Kevin S Kim1, Emilie P Belley-Côté2, Michael Walsh2

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概括

左心房尾阻塞有效降低心房动和慢性病患者中风风险. 这种程序在不同的功能水平上显示出一致的好处,而不会增加不良事件.

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科学领域:

  • 心脏病学 心脏病学
  • 腎臟病學 (nephrology) 是一種醫學專業.
  • 医疗器械 医疗器械

背景情况:

  • 慢性病 (CKD) 患者心房动 (AF) 的最佳抗凝药仍然不清楚.
  • 左心房附属物阻塞 (LAAO) 的疗效在CKD患者中可能有所不同.
  • 这项研究是对LAAOS III试验的二次分析.

研究的目的:

  • 研究LAAO对AF和不同程度的功能患者中风风险和安全结果的影响.
  • 为了确定基线功能是否影响LAAO的有效性.

主要方法:

  • 对LAAOS III试验 (NCT01516151) 的二次分析,该试验涉及4768名接受心脏手术的AF参与者.
  • 估计的淋巴膜过率 (eGFR) 使用CKD-EPI 2021方程计算.
  • 考克斯比例危险模型用于评估LAAO影响,功能作为连续和分类变量.

主要成果:

  • 与没有闭塞相比,LAAO与中风风险的显著降低有关 (HR 0.67;P = .001),不论eGFR.
  • 两组之间在全因死亡率,心血管疾病死亡,心力衰竭住院,严重出血或心肌梗塞方面没有发现显著差异.
  • 对于任何结果,eGFR和LAAO之间没有显著的相互作用.

结论:

  • 手术LAAO在降低AF患者中风风险方面表现出一致的有效性,AF患者的功能受损.
  • LAAO是预防中风的安全替代方案,用于患有CKD的AF患者,而不会增加重大不良事件的风险.