Lancet:直接血管内取栓是否不劣于标准桥接治疗?

2022-07-09 MedSci原创 MedSci原创

对于卒中4.5小时内的患者,直接血管内血栓切除术的疗效并不劣于标准桥接治疗

血管闭塞所致急性缺血性卒中患者血管内取栓前联合静脉溶栓治疗的益处仍未完全明确。研究人员推测,在卒中4.5小时内接受直接血管内取栓治疗的大血管闭塞卒中患者的临床预后不劣于接受标准桥接治疗(先静脉溶栓,然后血管内取栓)的患者,并对此展开研究以进行验证。

DIRECT-SAFE是一项国际性、多中心、前瞻性、随机化、开放标签、终点盲法的临床试验,招募了经CT和血管成像证实的脑卒中及颅内颈内动脉、大脑中动脉 (M1或M2) 或基底动脉大血管闭塞成年患者,且在卒中后4.5小时内。受试患者被1:1随机分成两组,接受直接血管内取栓或标准桥接治疗。主要终点是功能独立性,定义为第90天时改良的Rankin量表得分≤2分,非劣效性边界 -0.1。


两组的主要终点结果

2018年6月2日至2021年7月8日期间,共295位患者被随机分至直接血管内取栓术(n=148)或桥接治疗组(n=147)。直接血管内取栓术组和桥接治疗组获得功能独立性的患者分别有80位(55%)和89位(61%,风险差 -0.051,双边95% CI -0.1660~0.059)。


主要终点的亚组分析

两组的安全性结局相近,直接取栓组146位患者中有2位(1%)发生了症状性颅内出血,而桥接治疗组147位患者中有1位(1%;校正风险比 1.70);直接取栓组和桥接治疗组分别有22位(15%)和24位(16%)患者死亡(校正风险比 0.92)。

总之,该研究结果表明,直接血管内血栓切除术的疗效并不劣于标准桥接治疗。

原始出处:

Peter J Mitchell, et al. Endovascular thrombectomy versus standard bridging thrombolytic with endovascular thrombectomy within 4·5 h of stroke onset: an open-label, blinded-endpoint, randomised non-inferiority trial. The Lancet. July 09, 2022. https://doi.org/10.1016/S0140-6736(22)00564-5

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    2023-04-18 howi
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  3. [GetPortalCommentsPageByObjectIdResponse(id=1831607, encodeId=79d7183160e5c, content=<a href='/topic/show?id=1b6210686b2' target=_blank style='color:#2F92EE;'>#Lancet#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=58, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=10686, encryptionId=1b6210686b2, topicName=Lancet)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=3f0227, createdName=howi, createdTime=Tue Apr 18 02:52:44 CST 2023, time=2023-04-18, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1479124, encodeId=7bc814e9124ed, content=<a href='/topic/show?id=b97f3800ee0' target=_blank style='color:#2F92EE;'>#取栓#</a>, beContent=null, objectType=article, channel=null, level=null, likeNumber=49, replyNumber=0, topicName=null, topicId=null, topicList=[TopicDto(id=38007, encryptionId=b97f3800ee0, topicName=取栓)], attachment=null, authenticateStatus=null, createdAvatar=, createdBy=99077483919, createdName=1249862am74(暂无昵称), createdTime=Mon Jul 11 12:52:44 CST 2022, time=2022-07-11, status=1, ipAttribution=), GetPortalCommentsPageByObjectIdResponse(id=1244045, encodeId=eedb1244045ec, content=lancet上果然牛,感谢梅斯更新及时, beContent=null, objectType=article, channel=null, level=null, likeNumber=42, replyNumber=0, topicName=null, topicId=null, topicList=[], attachment=null, authenticateStatus=null, createdAvatar=null, createdBy=f0620, createdName=younei, createdTime=Sun Jul 10 00:52:44 CST 2022, time=2022-07-10, status=1, ipAttribution=)]
    2022-07-10 younei

    lancet上果然牛,感谢梅斯更新及时

    0

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