Circulation:不完全血运重建的CABG患者5年期生存率较低

2019-02-11 国际循环编辑部 国际循环

此前,德国一项针对行体外循环冠状动脉旁路移植术的老年患者的随访研究(GOPCABE)结果显示,患者术后30天和1年的死亡、卒中、心肌梗死、新增肾脏替代治疗或重复血运重建的复合终点无显著差异。之后,研究人员继续对该试验进行了为期5年的随访研究,并于近期将研究成果发表于Circulation杂志。

此前,德国一项针对行体外循环冠状动脉旁路移植术的老年患者的随访研究(GOPCABE)结果显示,患者术后30天和1年的死亡、卒中心肌梗死、新增肾脏替代治疗或重复血运重建的复合终点无显著差异。之后,研究人员继续对该试验进行了为期5年的随访研究,并于近期将研究成果发表于Circulation杂志。

2008年6月至2011年9月,研究人员纳入德国12所医疗中心共2539例年龄在75岁以上的患者,并将其随机分入体外循环冠状动脉旁路移植术组和非体外循环冠状动脉旁路移植术组。研究设定的主要终点是术后5年的全因死亡,次要终点是术后5年患者出现死亡、心肌梗死和重复血运重建的复合终点。此外,研究人员还评估并比较了不完全血运重建和完全血运重建的影响。

在平均5年的随访后,非体外循环冠状动脉旁路移植术组共出现361例(31%)死亡,体外循环冠状动脉旁路移植术组共出现352例(30%)死亡,结果无显著差异(HR=1.03,95% CI:0.89~1.19;P=0.71)。两组患者出现死亡、心肌梗死和重复血运重建的复合终点的情况为,非体外循环冠状动脉旁路移植术组共397例(34%),体外循环冠状动脉旁路移植术组共389例(33%),结果无显著差异(HR=1.03,95% CI:0.89~1.18;P=0.704)。在随机分配的两组患者中,不完全血运重建的情况分别为非体外循环冠状动脉旁路移植术组403例(34%),体外循环冠状动脉旁路移植术组354例(29%)(P<0.001)。比较不完全血运重建和完全血运重建对患者5年期生存率的影响,在非体外循环冠状动脉旁路移植术组中(时序检验:P=0.02),不完全血运重建患者的生存率为72%(95% CI:67~76),完全血运重建的患者生存率为76%(95% CI:74~80),在体外循环冠状动脉旁路移植术组中(时序检验:P=0.03),不完全血运重建患者的生存率为72%(95% CI:67~76),完全血运重建的患者生存率为77%(95% CI:74~80)。Cox回归分析结果显示,不完全血运重建与完全血运重建的HR=1.19(95% CI:1.01~1.39;P=0.04)。

研究人员认为,对于年龄在75岁以上的患者,无论行体外循环冠状动脉旁路移植术还是非体外循环冠状动脉旁路移植术,其5年期生存率以及死亡、心肌梗死和重复血运重建的复合终点的情况相同。无论患者进行哪类手术,不完全血运重建均与较低的5年期生存率存在相关性。

原始出处:
Anno Diegeler, Jochen Börgermann, et al. Five-Year Outcome after Off-Pump or On-Pump Coronary Artery Bypass Grafting in Elderly Patients. Circulation. Originally published on 8 Feb 2019.

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    2019-02-24 jyzxjiangqin

    不完全血运重建。

    0

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    2019-02-12 smartxiuxiu

    0

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