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Eur J Radiol:对于前循环血管近端狭窄且病灶区域存在半暗带的患者,何时进行血管内介入治疗是否有区别呢?

2017-06-29 shaosai MedSci原创

如果急性脑卒中患者在扩散加权图与灌注加权图像上存在不匹配区域即半暗带,无论症状发生至治疗间隔多长时间(OTT),缺血性脑卒中和大血管阻塞的患者都能从血管内治疗中获益。而对于血管内治疗时间窗对预后差别的问题一直尚未证实。本研究旨在探究OTT对上述患者临床结局的影响。研究人员并将研究结果发表在Eur J Radiol上。

如果急性脑卒中患者在扩散加权图与灌注加权图像上存在不匹配区域即半暗带,无论症状发生至治疗间隔多长时间(OTT),缺血性脑卒中和大血管阻塞的患者都能从血管内治疗中获益。而对于血管内治疗时间窗对预后差别的问题一直尚未证实。本研究旨在探究OTT对上述患者临床结局的影响。研究人员并将研究结果发表在Eur J Radiol上。

本研究所分析数据来自于一所大学附属三级保健医院。 所有患者均有前循环大血管近端管腔闭塞并有半暗带。 主要结果是评估OTT对血管介入术后3个月改良Rankin 量表评分的影响,并二分为0-2分为治疗效果良好(0-2),治疗效果较差(3-6)。 次要结果是OTTmRS评分变化的影响。 将在早期时间窗(<340min)和晚期时间窗(≥340min)内治疗的患者进行比较。

本研究共纳入139例缺血性脑卒中的患者。 与在晚期时间窗治疗的患者相比,早期时间窗治疗患者的有利结局明显较高(31例(49%),20例(27%),p = 0.005)。 经调整参数后,多元Logistic回归显示在晚期时间窗内治疗是有利结局的独立阴性预测因子(OR0.39IC[0.18-0.84] p = 0.016)。 同时,在晚期时间窗内治疗的患者mRS评分更高(p = 0.015)。对于灵敏度,将OTT视为连续变量时,OTT仍然是独立的预测因子。 根据大型试验(DEFUSE 2DEFUSE 3SWIFT-PRIMEEXTEND-IA)对半暗带的定义,该上述结果是在具有半暗带的患者中得到的。

研究表明,对于病变区域DWI-PWI不匹配的缺血性脑卒中患者,临床结果是随时间而变化的。

原始出处:

Mundiyanapurath S Diatschuk S Loebel S et al. Outcome of patients with proximal vessel occlusion of the anterior circulation and DWI-PWI mismatch is time-dependent. Eur J Radiol. 2017. DOI 10.1016/j.ejrad.2017.03.016

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    2017-07-01 hittouch
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    2017-07-01 shaosai

    好好学习,涨知识

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