Lancet:双抗血小板治疗缩短至6个月导致PCI患者心肌梗死风险增加

2018-03-13 zhangfan MedSci原创

研究认为对于急性冠脉综合征患者在支架植入后接受6个月的双抗血小板治疗与现行12个月的治疗指南相比,会导致患者心肌梗死和支架血栓风险增加。对于出血风险低的患者,至少12个月的双抗血小板治疗是必要的

现行指南中,对于急性冠脉综合征患者,阿司匹林与P2Y12抑制剂联用的双抗血小板治疗(DAPT)时间为药物洗脱支架植入后至少12个月。近日研究人员考察缩短DAPT治疗时间对患者预后的影响。

研究在韩国的31个医疗中心开展,因不稳定型心绞痛、非ST段抬高性心肌梗死或ST段抬高型心肌梗死接受经皮冠状动脉介入治疗患者参与。患者随机接受6个月或12个月以上的DAPT治疗。研究的主要终点为治疗18个月后的全因死亡、心肌梗死或中风的复合终点,次要终点包括支架血栓形成以及BRC 2-5级出血。

研究招募2712名患者,其中6个月DAPT治疗组1357人,12个月以及更长时间治疗组1355人。6个月以及12个月组患者氯吡格雷治疗率分别为79.7%和81.8%。18个月后,6个月DAPT以及12个月DAPT组分别有63和56人出现主要终点事件(4.7 vs 4.2%,绝对风险差异0.5%)。组间全因死亡(2.6 vs 2.9%)以及中风(0.8 vs 0.9%)风险差异不显著,但心肌梗死率,6个月DAPT组显著增加(1.8 vs 0.8%)。6个月DAPT组支架血栓发生15例(1.1%),12个月治疗组发生10例(0.7%);BARC2-5级出血事件发生率6个月组更低(2.7 vs 3.9%,HR=0.69)。

研究认为对于急性冠脉综合征患者在支架植入后接受6个月的双抗血小板治疗与现行12个月的治疗指南相比,会导致患者心肌梗死和支架血栓风险增加。对于出血风险低的患者,至少12个月的双抗血小板治疗是必要的。

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    2018-10-21 zhmscau
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    2018-06-16 howi
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    2018-03-13 神功盖世

    0

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    2018-03-13 wqkm

    ^_^^_^^_^

    0

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