Eur Heart J:使用或不使用除颤器进行心脏再同步化治疗的患者生存比较

2022-04-04 MedSci原创 MedSci原创

与接受除颤器心脏再同步化治疗相比,接受起搏器心脏再同步化治疗并不能显著降低患者生存率。

心脏再同步化治疗是一种公认的治疗心力衰竭的方法。心脏再同步化治疗分为双心室起搏器或双心室起搏器加除颤器两种功能。除颤器的功能是否能改善心脏再同步化治疗患者的预后存在相互矛盾的证据。

近日,心血管领域权威杂志Eur Heart J上发表了一篇研究文章,研究人员在一个大型健康索赔数据库中比较了接受除颤器心脏再同步化治疗和接受起搏器心脏再同步化治疗患者的生存期。

研究人员利用德国一项主要法定健康保险的健康索赔数据,分析了2014年至2019年期间进行了心脏再同步化治疗的患者,这些患者没有用于心脏猝死二级预防的除颤器植入指征。研究人员采用年龄调整的Cox比例风险回归和熵平衡来计算权重,以控制基线失衡。

研究人员分析了纳入的847例接受起搏器心脏再同步化治疗和2722例接受除颤器心脏再同步化治疗患者。总的来说,在平均2.35年的随访期间,研究人员共记录了714例死亡。在初始未调整的Kaplan-Meier事件时间分析中,研究人员观察到全因死亡的累积发生率较高[风险比(HR)为1.63,95%可信区间(CI)为1.38-1.92]。调整年龄后,HR为1.13(95%CI为0.95-1.35),熵平衡后为0.99(95%CI为0.81-1.20)。不同年龄组患者的生存率无差异。在敏感性分析中,结果是稳健的。

在这个现代环境下进行的心脏再同步化治疗植入的大型健康索赔数据库中,研究结果表明与接受除颤器心脏再同步化治疗相比,接受起搏器心脏再同步化治疗并不能显著降低患者生存率。在最初的未调整分析中,研究人员观察到的生存差异中年龄差异占了最大的部分。

原始出处:

Moritz Hadwiger,et al.Survival of patients undergoing cardiac resynchronization therapy with or without defibrillator: the RESET-CRT project.European Heart Journal.2022.https://academic.oup.com/eurheartj/advance-article/doi/10.1093/eurheartj/ehac053/6550410

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    2022-04-05 slcumt

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