NEJM:支架取栓器在急性缺血性脑卒中的运用

2015-03-15 MedSci MedSci原创

目前关于介入治疗在缺血性脑卒中的研究结果多种多样,近期B.C.V.Campbell等人进行了一项研究,以探究使用更先进的成像技术、新近开发的设备,提供更早的干预,能否改善急性缺血性脑卒中患者的预后。

目前关于介入治疗在缺血性脑卒中的研究结果多种多样,近期B.C.V.Campbell等人进行了一项研究,以探究使用更先进的成像技术、新近开发的设备,提供更早的干预,能否改善急性缺血性脑卒中患者的预后。

该研究纳入了发生缺血性脑卒中4.5小时内服用了阿替普酶(纤溶酶原激活物)0.9mg/kg、颈内动脉或者大脑中动脉闭塞、可逆的脑组织改变、以及CT灌注成像显示小于70ml的缺血核心的患者。将其随机分为两组,一组使用Solitaire FR支架取栓器行血管内血栓切除术;一组继续只服用阿替普酶。该研究以患者24小时再灌注和早期神经功能改善(在第3天其中风量表得分减少≥8分或得分为0或1)为初始指标;以第90天患者改良Rankin量表的功能评分为继发指标。



Figure 2. Scores on the Modified Rankin Scale at 
90 Days in the Intention-to-Treat Population.

该研究共纳入70人,35人一组。研究结果显示,24小时内缺血区域再灌注百分比在支架取栓效果更好(平均100% vs.37%,P<0.001)。平均于脑卒中发生后210分钟使用支架取栓器行血栓切除术,在第3天早期神经系统功能在支架取栓改善更佳(80% vs. 37%,P=0.002),第90天的功能预后也更好,达到功能独立的病人也更多(改良Rankin量表得分0-2,71% vs. 40%,P=0.01)。同时对于不良反应死亡和有症状的脑出血发生率在两组间无统计学差异。

该研究结果表明,对于符合脑动脉近端闭塞、CT灌注成像显示可逆的脑组织改变的缺血性脑卒中患者,早期使用Solitaire FR 支架取栓器行血管内血栓切除术,比单独使用阿替普酶在改善再灌注、神经功能恢复和功能预后方面更有优势。

原始出处:

Campbell BC1, Mitchell PJ, Kleinig TJ, Dewey HM, Churilov L, Yassi N, Yan B, Dowling RJ, Parsons MW, Oxley TJ, Wu TY, Brooks M, Simpson MA, Miteff F, Levi CR, Krause M, Harrington TJ, Faulder KC, Steinfort BS, Priglinger M, Ang T, Scroop R, Barber PA, McGuinness B, Wijeratne T, Phan TG, Chong W, Chandra RV, Bladin CF, Badve M, Rice H, de Villiers L, Ma H, Desmond PM, Donnan GA, Davis SM; EXTEND-IA Investigators.Endovascular therapy for ischemic stroke with perfusion-imaging selection.N Engl J Med. 2015 Mar 12;372(11):1009-18. doi: 10.1056/NEJMoa1414792. Epub 2015 Feb 11.

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