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Stroke:脑动脉再通与缺血性卒中良好功能转归相关

2013-08-05 geniusgodyu dxy

     溶栓后是否出现神经功能改善,梗阻动脉再通都与良好预后相关 缺血性卒中患者静脉溶栓后的再通状态是进行补救再灌注干预的一个参考点,尽管早期神经功能改善可能排除血管内操作。为了评估重建梗阻部位血流的重要性,瑞典斯德哥尔摩Karolinska研究所Karolinska大学医院神经内卒中研究中心的Tatiana V. Kharitonova博士等人进行了一项研究,研究结果在

  

  溶栓后是否出现神经功能改善,梗阻动脉再通都与良好预后相关

缺血性卒中患者静脉溶栓后的再通状态是进行补救再灌注干预的一个参考点,尽管早期神经功能改善可能排除血管内操作。为了评估重建梗阻部位血流的重要性,瑞典斯德哥尔摩Karolinska研究所Karolinska大学医院神经内卒中研究中心的Tatiana V. Kharitonova博士等人进行了一项研究,研究结果在线发表在2013年7月23日的Stroke杂志上。研究结果显示:无论急性卒中患者静脉溶栓后是否出现神经功能改善,梗阻动脉的再通都与良好的功能转归相关。

研究人员从《安全实施卒中治疗-国际卒中溶栓注册》中纳入符合以下标准的患者:1、CTA、MRA获得基线梗阻血管,并有溶栓后22-36小时的随访血管造影;且2、入院CT扫描见高密度脑动脉征及随访CT报告的结果。发病24小时再通定义为22或36小时随访成像中的动脉梗阻消失或脑动脉高密度征消失。神经功能改善在静脉溶栓后2小时及24小时进行评估,定义为较基线NIHSS得分改善20%。主要结局测量值是独立生活,定义为3个月后改良Rankin评分0-2分。

研究结果显示:28136例在2003年12月至2009年11月注册的病例中,5324例(19%)达到入选标准。治疗后2小时出现神经功能改善且血管再通的患者在发病后3个月获得独立生活能力的机会最大,其次是出现神经功能改善但血管未再通与神经功能无改善但血管再通的患者。

该研究发现:急性卒中患者静脉溶栓后是否出现神经功能改善,梗阻动脉的再通都与良好的功能转归相关。以后评价机械取栓及其他进一步的策略,静脉溶栓后梗阻血管未再通,即便出现神经功能改善也应考虑再通治疗。

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