JACC:FREEDOM研究8年随访:糖尿病多支病变搭桥优于介入,年轻患者获益显著

2018-11-30 xujing 中国循环杂志

FREEDOM研究后续随访近8年的数据显示,对于合并糖尿病的多血管血管病变患者,冠状动脉旁路手术(CABG)优于经皮冠状动脉介入治疗(PCI)。

FREEDOM研究后续随访近8年的数据显示,对于合并糖尿病的多血管血管病变患者,冠状动脉旁路手术(CABG)优于经皮冠状动脉介入治疗(PCI)。

目前,对于这这类患者,指南已经明显地倾向于CABG而不是使用药物洗脱支架(DES)进行PCI,但是一直缺乏长期随访的数据,直到这项FREEDOM研究中位随访7.5年的生存数据发表。

值得注意的是,该研究数据显示,与PCI相比,CABG带给65岁以下的患者和曾经吸烟的患者的生存获益尤其显着。

CABG和PCI对于65岁以上的老年患者和从不吸烟者的生存获益相似。

研究者表示,而在临床实践中,那些年轻的患者经常被推迟冠状动脉旁路移植术,而选择PCI,但事实上,年轻人从CABG中的获益更多。。

FREEDOM研究将1900例合并糖尿病的多支血管病变患者随机分成两组,一组是采用左内乳动脉的CABG,另一组采用西罗莫司或紫杉醇DES行PCI,两组患者均接受最佳药物治疗。

在平均3.8年后,PCI组的死亡率为26.6%,CABG组的死亡率为18.7%(P=0.005)。

FREEDOM中的患者不包括左前降支的患者,这项研究首次报告于2012年。

FREEDOM研究中,943例(49.6%)的受试者接受了长期随访,中位随访时间为7.5年(最长达13年)。

尽管有一半的受试者不能被进一步追踪随访,但研究者们利用他们2012年的最后随访数据纳入到长期生存分析。

在1900名患者中,有314人在整个随访期内死亡(204人在最初的试验中死亡,110人在长期随访中死亡)。

在总体队列中的差异是显着的PCI组的全因死亡率显着高于CABG组(24.3% vs 18.3%, HR=1.36,p=0.01)。

而在后续随访队列中,PCI组的全因死亡率为23.7%,CABG组的全因死亡率为18.7%(HR=1.32,p=0.076)。

研究者表示,在整个队列中,CABG和PCI治疗的患者的生存曲线从开始分离,随着时间的推移,一直处于分离得趋势,这一趋势也在延长随访组中观察到。而类似的死亡率结果,差异没有达到显着性“可能是由于病例数较少。

FREEDOM研究长期的随访数据进一步为支持CABG作为糖尿病和多血管疾病患者的首选策略提供了证据基础。

研究者还表示,自2012年以来,冠状动脉支架技术的进步可能会削弱CABG的优势,但是支架的使用将不太可能缩小两者的差距,因为CABG的成功主要是由于保护心肌免受新疾病的侵袭。

原始出处:
Farkouh ME1, Domanski M2, Dangas GD3, et al. Long-term Survival following Multivessel Revascularization in Patients with Diabetes (FREEDOM Follow-On Study) JACC, November 2018. DOI: 10.1016/j.jacc.2018.11.001.

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    2018-12-31 hbwxf
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    2018-12-01 misszhang

    谢谢MedSci提供最新的资讯

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