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Atherosclerosis:冠脉介入前心率>67次/分,死亡风险高!GLOBAL LEADERS研究2年随访结果

2020-05-31 朱朱 中国循环杂志

近期发表的GLOBAL LEADERS研究2年随访结果显示,冠脉介入术前心率偏快是全因死亡的独立预测因素。

近期发表的GLOBAL LEADERS研究2年随访结果显示,冠脉介入术前心率偏快是全因死亡的独立预测因素。

研究者发现,冠脉介入术前心率67次/分是预测2年死亡风险的最佳截断值。

冠脉介入术前心率>67次/分的患者术后2年全因死亡风险增加38%,心血管死亡风险增加64%,新发Q波心肌梗死的风险增加41%。

多变量Cox回归分析显示,冠脉介入术前心率每增快5次/分,全因死亡或新发Q波心肌梗死的风险增加6%,主要是全因死亡风险增加(HR=1.07)。

但冠脉介入术前心率与大出血(BARC 3型或5型出血)风险无关。

该研究还显示,冠脉介入术前心率偏快对患者预后的预测价值不受抗血小板治疗策略影响,也与患者是否为急性冠脉综合征或稳定性冠心病、是否存在糖尿病或肾功能受损无关。

研究者指出,理论上,应用β受体阻滞剂等减慢心率的药物可能会影响心率与临床预后之间的关系。

在该研究中,尽管没有记录基线β受体阻滞剂的应用情况,然而,校正出院时β受体阻滞剂、血管紧张素转换酶抑制剂、他汀等药物的应用后,心率仍然是2年全因死亡或新发Q波心肌梗死的独立危险因素。

Global Leaders研究是一项多中心的大型前瞻性随机对照优效性研究,由欧洲、北美、南美和亚太地区的130多家介入心脏病学中心参与。

这项最新分析一共纳入15 855例接受冠脉介入治疗的患者,其中位年龄为65岁,77%为男士,冠脉介入术前的心率中位数为69次/分。

与术前心率≤67次/分的患者相比,术前心率>67次/分的患者中女士较多,相对年轻,当前吸烟者比例、体重指数以及糖尿病、高血压、慢阻肺、急性冠脉综合征、既往中风、心梗、冠脉介入治疗、心脏搭桥术的比例均更高,左心室射血分数较低。

2年随访时,4.1%的患者死亡或新发Q波心肌梗死,术前心率>67次/分的患者中这一主要终点事件的发生率高于术前心率≤67次/分的患者(4.76% vs 3.31%)。

原始出处:Rutao Wang 1, Kuniaki Takahashi 2, Ply Chichareon 3, et al. The Impact of Pre-Procedure Heart Rate on Adverse Clinical Outcomes in Patients Undergoing Percutaneous Coronary Intervention: Results From a 2-year Follow-Up of the GLOBAL LEADERS Trial. Atherosclerosis, 2020, 303: 1-7.

 

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    2020-09-19 anminleiryan
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    2020-09-01 14818eb4m67暂无昵称

    学习

    0

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    2020-06-01 lsndxfj

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