Stroke:严重前循环脑梗死患者进行静脉tPA治疗显著改善临床预后

2013-10-11 geniusgodyu dxy

研究要点: 1.该研究是前瞻性研究。 2.证实tPA溶栓能够改善严重前循环梗塞患者的临床结局。 3.研究中融合了CTA信息与神经检查结果。 使用组织纤溶酶原激活物(tPA)静脉溶栓治疗严重前循环大面积缺血性卒中对患者结局的影响尚不清楚。为此,美国麻省总医院影像科的R. Gilberto González博士等人进行了一项研究,研究结果在线发表在2013年9月3日的Stroke杂志上。研

研究要点:

1.该研究是前瞻性研究。

2.证实tPA溶栓能够改善严重前循环梗塞患者的临床结局。

3.研究中融合了CTA信息与神经检查结果。

使用组织纤溶酶原激活物(tPA)静脉溶栓治疗严重前循环大面积缺血性卒中对患者结局的影响尚不清楚。为此,美国麻省总医院影像科的R. Gilberto González博士等人进行了一项研究,研究结果在线发表在2013年9月3日的Stroke杂志上。研究结果显示:静脉tPA治疗能够显著改善前循环大血管梗塞的严重症状性卒中患者的临床结局。35%的良好结局率与血管内治疗研究得到的数据差不多。血管成像可能对静脉溶栓及血管内治疗的患者选择及分级有帮助。 【原文下载】

研究人员前瞻性收集649位急性卒中患者入院时NIHSS评分、CT平扫、CTA及发病6个月结局(使用改良Rankin评分)。静脉tPA治疗方案的制定在CT平扫(作为临床常规检查)后,CTA检查前。症状严重定义为NHISS大于10分。临床结局差定义为改良Rankin评分大于2分。根据CTA判定是否有大血管梗塞。对整个队列进行逐步单变量或多变量logistic回归分析。

研究结果显示:在649位患者中,188(占29%)位患者表现为NIHSS大于10分,其中有64位接受了静脉tPA治疗。入院NIHSS得分、大动脉梗阻与静脉tPA治疗均能独立预测良好结局,但是静脉tPA治疗与梗塞之间存在显著相互作用。低于NHISS大于10分的前循环梗塞患者,接受静脉tPA治疗的患者出现良好结局的比例是没有接受tPA治疗患者的2倍。治疗所需病例数量为7。

该研究发现:静脉tPA治疗能够显著改善前循环大血管梗塞的严重症状性卒中患者的临床结局。35%的良好结局比例与血管内治疗研究所得到的数据相似。血管成像可能对静脉溶栓及血管内治疗的患者选择及分级有帮助。

研究背景:

静脉用组织纤溶酶原激活剂 (IV-tPA) 能够有效治疗急性缺血性卒中。但是动脉栓塞、IV-tPA 应用及卒中症状严重患者的结局之间的关系并不确定。STOPStroke (卒中筛查技术及结局项目) 研究用来评估CT检查技术(包括CTA)对急性缺血性卒中的价值。

原文检索

González RG, Furie KL, Goldmacher GV, Smith WS, Kamalian S, Payabvash S, Harris GJ, Halpern EF, Koroshetz WJ, Camargo EC, Dillon WP, Lev MH.Good Outcome Rate of 35% in IV-tPA-Treated Patients With Computed Tomography Angiography Confirmed Severe Anterior Circulation Occlusive Stroke.Stroke. 2013 Sep 3. 【原文下载】

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    2014-07-20 fusion
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    2014-08-30 循证小兵
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    2013-10-13 karmond
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