Circulation:植入ICD的患者房性心律失常时,应用外部还是内部心脏复律来转复窦性心律?

2019-09-26 MedSci MedSci原创

房性心律失常在植入式心律转复除颤器(ICD)患者中很常见。体外冲击和通过指令ICD冲击的内部电复律被用于心律控制。但关于外部心脏复律和内部心脏复律的效果,以及导线或设备故障的风险,目前缺乏确切的数据。研究人员推测外部心脏复律的安全性不次于内部心脏复律,而成功恢复窦性心律的概率优于内部心脏复律。并开展试验对此进行验证。研究人员从13个医疗中心招募接受选择性心脏复律治疗房性心律失常的患者,将其按1:1

房性心律失常在植入式心律转复除颤器(ICD)患者中很常见。体外冲击和通过指令ICD冲击的内部电复律被用于心律控制。但关于外部心脏复律和内部心脏复律的效果,以及导线或设备故障的风险,目前缺乏确切的数据。研究人员推测外部心脏复律的安全性不次于内部心脏复律,而成功恢复窦性心律的概率优于内部心脏复律。并开展试验对此进行验证。

研究人员从13个医疗中心招募接受选择性心脏复律治疗房性心律失常的患者,将其按1:1随机分至内部或外部心脏复律。主要安全指标是导线或设备故障的综合。主要疗效指标是房性心律失常转复窦性心律。

共招募了230位患者,随机分至两组。外部和内部心脏复律组的电击有效率分别为93%和65%(p<0.001)。两组均未观察的临床相关的不良事件。3例预先存在的导线故障导致导线复律失败。两组间的肌钙蛋白释放无差别。

本研究是第一个在ICDs患者中对比外部心脏复律和内部心脏复律的随机对照试验。外部心脏复律转复窦性心律的效果更好。

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    2020-08-07 yilong5287542
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    2019-09-28 jiyangfei

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