JAMA:急性缺血性卒中,颅内血栓再通与临床、影像和血栓特征的关系

2018-09-13 shaosai MedSci原创

急性缺血性脑卒中颅内血栓再通与提高临床预后是密切相关的。经静脉阿替普酶治疗与再通后血栓岁时间变化特点的相关性对于脑卒中分类治疗及远期分类管理是及其重要的。由Bijoy K. Menon等研究人员对上述两者的相关性进行研究,并得到了突破性发现,并将结果撰文发表于JAMA顶尖杂志。

急性缺血性脑卒中颅内血栓再通与提高临床预后是密切相关的。经静脉阿替普酶治疗与再通后血栓岁时间变化特点的相关性对于脑卒中分类治疗及远期分类管理是及其重要的。由Bijoy K. Menon等研究人员对上述两者的相关性进行研究,并得到了突破性发现,并将结果撰文发表于JAMA顶尖杂志。

Bijoy K. Menon分析并总结了服用阿替普酶治疗的急性缺血性脑卒中患者颅内血栓栓塞血管再通后随时间的变化特点及相应临床、影像学特点。

该研究在多个中心共收集了575例急性缺血性脑卒中并CT显示颅内动脉闭塞的患者,收集了患者人口学特征、临床病史、自服用阿替普酶至血管再通的时间及CTA中血肿的影像学特点等资料。主要结果评价标准为在行基线CTA6小时内对责任血管进行再次CTA或进行初次血管造影检查时血管再通,再通标准参照rAOL评分评分为0-3,0为闭塞未见明显变化,3为闭塞完全再通)。

在纳入的575例患者中,共有275(47.8%)例患者仅接受了经静脉阿替普酶治疗,195 (33.9%)例患者接受了经静脉阿替普酶联合介入取栓术治疗,48 (8.3%)例患者仅接受了介入取栓术治疗,而有57(9.9%)患者接受了保守治疗。自基线CTA检查至血管再通评价的中位数时间为158分钟 (IQR, 79-268);自接受阿替普酶治疗至血管再通评价的中位数时间为132.5 分钟(IQR, 62-238)。整体上,血管再通率为27.3% (157/575),其中包括接受了经静脉阿替普酶治疗的患者占30.4% (143/470),未接受经静脉阿替普酶治疗的患者占13.3% (14/105) (相差17.1% [95% CI, 10.2%-25.8%])。在接受经静脉阿替普酶治疗的患者中,与血管再通相关的指标有:接受阿替普酶治疗至血管再通评价的时间(每增加30分钟,OR增加1.28 [95% CI, 1.18-1.38])、血栓位置更远(如大脑中动脉远端(39/84 [46.4%])与颈内动脉(10/92 [10.9%]))及储备侧支循环能力越强(如线样侧枝循环(30/45 [66.7%])与无侧枝循环(91/377 [24.1%])(OR, 7.03 [95% CI, 3.32-14.87]))。

本研究表明,对于急性缺血性脑卒中的患者,血栓位置越远、血栓渗透性越高、治疗时间到血栓评价的时间越长是经静脉阿替普酶治疗后动脉闭塞后再通的相关指标;在未接受阿替普酶治疗的患者,动脉闭塞后再通几率很小。本研究发现有助于对急性缺血性脑卒中患者治疗和危险分级决策的制定。

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    2018-09-13 健健

    卒中虽然是临床上常见病,溶栓,取栓等血管内治疗也很成熟,但是仍然有很多未知问题有待认知!

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