Circulation:更佳药物疗法对双联抗血小板治疗研究的影响

2016-10-08 xing.T MedSci原创

研究结果表明持续的噻吩吡啶类药物治疗降低心肌梗死率,不管有无进行OMT治疗,并且能够减少主要不良心血管和脑血管事件和增加出血事件。

持续的双联抗血小板治疗和最佳药物治疗(OMT)可以改善稳定型冠心病患者预后,但OMT是否会对双联抗血小板治疗产生影响尚未明确。近日,心血管领域权威杂志《Circulation》发表研究文章,旨在明确OMT是否会对双联抗血小板治疗产生影响。

在一项双盲双联抗血小板治疗的研究中,随机分配11 648例进行冠状动脉支架植入术患者,进行1年的双联抗血小板治疗,无大出血或缺血性事件发生,并且额外进行18个月持续的噻吩吡啶类药物或安慰剂治疗。OMT被定义为一个组合方案,包括他汀类药物、β-受体阻滞剂、血管紧张素转换酶抑制剂/血管紧张素受体阻断剂,所有患者每日均接受75至325mg阿司匹林治疗。主要终点事件包括心肌梗死、主要不良心脑血管事件的发生,对闭塞性动脉全身运用链激酶和组织型纤溶酶原激活剂导致中度或严重出血事件。

随机分配的11643例患者拥有 完整的用药数据,63%的患者采用OMT治疗,在12个月到30个月期间,相比于安慰剂组,持续的噻吩吡啶类药物治疗可降低两组患者的心肌梗死发生率(OMT治疗组2.1% vs 3.3%,风险比为0.64;95%可信区间为0.48–0.86;P=0.003;未进行OMT治疗组2.2% vs 5.2%,风险比为0.41;95%可信区间为0.29–0.58;P<0.001;P=0.103)。


持续噻吩吡啶类药物治疗与安慰剂比,OMT组的主要不良心脑血管事件的发生率分别为4.2%和5.0%(风险比为0.82;95%可信区间为0.66–1.02;P = 0.077),未进行OMT治疗组分别为4.5%和7.0%(风险比为0.63;95%可信区间为0.49–0.82;P<0.001;P=0.250);

OMT组患者,与服用安慰剂的患者(1%)相比,噻吩吡啶类药物治疗的出血率为2.2%(风险比为2.13;95%可信区间为1.43–3.17;P<0.001),在未进行OMT治疗组的患者,噻吩吡啶类药物治疗患者和安慰剂治疗患者出血率分别为2.8%和2.2%(风险比为1.30;95%可信区间为0.88–1.92;P=0.189;P=0.073)。

总的来说,相比于未进行OMT治疗组,OMT治疗患者具有较低的心肌梗死(2.7% vs 3.7%, P=0.003)、主要不良心脑血管事件(4.6% vs 5.7%,P=0.007)、出血(1.6% vs 2.5%,P<0.001)的发生率,而支架内血栓形成率(0.8% vs 1%,P=0.171)和死亡(1.6% vs 1.9%,P=0.155)没有显着差异。

研究结果表明,不管有无进行OMT治疗,持续的噻吩吡啶类药物治疗降低心肌梗死率,并且能够减少主要不良心血管和脑血管事件和增加出血事件。

原始出处:

Charles D. Resor,et al. Impact of Optimal Medical Therapy in the Dual Antiplatelet Therapy Study.Circulation.2016.

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    0

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    2016-10-11 1e10c84am36(暂无匿称)

    好文章,受益

    0

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