Circulation:氯吡格雷和阿司匹林联合应用不得超过21天!

2019-09-02 QQ MedSci原创

招募急性缺血性卒中患者或一过性缺血发作的高风险个体的POINT试验显示,与阿司匹林相比,持续应用氯吡格雷和阿司匹林90天,可减少重大缺血性事件,但会增加出血事件。现研究人员对POINT试验进行二次进行,评估了氯吡格雷和阿司匹林联合用药的疗效和风险。主要疗效结点是缺血性卒中、心肌梗死或缺血性血管性死亡的综合结果。主要安全性结点是大出血。本次分析共纳入4881位个体。在这90天内,主要缺血事件的初始发

招募急性缺血性卒中患者或一过性缺血发作的高风险个体的POINT试验显示,与阿司匹林相比,持续应用氯吡格雷和阿司匹林90天,可减少重大缺血性事件,但会增加出血事件。

现研究人员对POINT试验进行二次进行,评估了氯吡格雷和阿司匹林联合用药的疗效和风险。主要疗效结点是缺血性卒中、心肌梗死或缺血性血管性死亡的综合结果。主要安全性结点是大出血。

本次分析共纳入4881位个体。在这90天内,主要缺血事件的初始发生率很高,随后显著下降,而大出血始终保持较低的发生率,并相对稳定。主要缺血事件的最佳变化点是21天(氯吡格雷+阿司匹林 vs 阿司匹林:0-21天的风险比为0.65,95% CI 0.50-0.85,P=0.0015; 20-90天时的风险比为 1.38,95% CI 0..81-2.35,P=0.24)。此外,研究还表明对症状出现后3天,采用氯吡格雷-阿斯匹林治疗,仍可获得一定治疗效益。

氯吡格雷-阿司匹林联合治疗的好处主要发生在前21天内,而且好处远大于大出血的风险(低风险)。考虑到一个类似的试验(CHANCE试验,氯吡格雷-阿司匹林匹林治疗21天,大出血风险未增加)的结果,建议将氯吡格雷-阿司匹林的使用限制在21天内,可以最大程度地获益,并降低一过性脑缺血发作的高风险或轻度脑缺血卒中的风险。

原始出处:

S. Claiborne Johnsto, et al.Time Course for Benefit and Risk of Clopidogrel and Aspirin After Acute Transient Ischemic Attack and Minor Ischemic Stroke.Circulation. 2019;140:658–664. https://doi.org/10.1161/CIRCULATIONAHA.119.040713

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  2. [GetPortalCommentsPageByObjectIdResponse(id=1684182, encodeId=d4de168418283, content=<a href='/topic/show?id=7425806967a' target=_blank style='color:#2F92EE;'>#联合应用#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=27, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=80696, encryptionId=7425806967a, topicName=联合应用)], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=091d28056243, createdName=s_pl2017, createdTime=Wed Nov 06 17:38:00 CST 2019, time=2019-11-06, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=372624, encodeId=987c3e2624f9, content=一直有这样的疑问,现在终于有数据出来,谢谢!, beContent=null, objectType=article, channel=null, level=null, likeNumber=53, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=http://q.qlogo.cn/qqapp/1103841572/AF43A7988964C1346E091DE08822DCC1/100, createdBy=1b2b1959838, createdName=jiazhoudexue, createdTime=Thu Sep 12 10:22:26 CST 2019, time=2019-09-12, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=372198, encodeId=5fdf3e219893, content=很好的学习机会, beContent=null, objectType=article, channel=null, level=null, likeNumber=69, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://cdnapi.center.medsci.cn/medsci/head/2018/04/12/cd30eefc465f70dc4dad89bd57479781.jpg, createdBy=02be2318568, createdName=一天没事干, createdTime=Tue Sep 03 08:11:50 CST 2019, time=2019-09-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=372193, encodeId=6c6a3e21932a, content=好, beContent=null, objectType=article, channel=null, level=null, likeNumber=68, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=6d551998554, createdName=1e1c07bdm01(暂无匿称), createdTime=Tue Sep 03 06:05:40 CST 2019, time=2019-09-03, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=372191, encodeId=67db3e2191c9, content=学习学习学习学习, beContent=null, objectType=article, channel=null, level=null, likeNumber=46, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=https://wx.qlogo.cn/mmopen/mStl88fu4NfNLvzZhgPxRkia1DP5MpwEgtXo1XhXA11xD6MWKxunAZFXKSNic0fWHUQx83oNHPlRMxxIctM83QKeCLkJpMibibiaC/0, createdBy=7e581734408, createdName=深海的鱼, createdTime=Tue Sep 03 05:50:19 CST 2019, time=2019-09-03, status=1, ipAttribution=)]
    2019-09-12 jiazhoudexue

    一直有这样的疑问,现在终于有数据出来,谢谢!

    0

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    2019-09-03 一天没事干

    很好的学习机会

    0

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    2019-09-03 深海的鱼

    学习学习学习学习

    0

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