Stroke:视网膜中央动脉阻塞患者的静脉纤溶治疗

2020-06-19 MedSci原创 MedSci原创

在症状发作的4.5小时内给予静脉阿替普酶与急性中央视网膜动脉闭塞患者更高的良好疗效可能性相关。

视网膜中央动脉阻塞导致受影响的眼睛突然无痛性失明,目前没有行之有效的挽救视力的治疗方法。近日,血管疾病领域权威杂志Stroke上发表了一篇研究文章,研究人员在一项前瞻性队列研究以及更新的系统评价和荟萃分析中评估了静脉内组织型纤溶酶原激活剂(IV阿替普酶)的疗效。

从2009年1月至2019年5月期间,研究人员纳入了症状发作48小时内且视力<20/200的连续就诊的急性视网膜中央动脉阻塞患者。该研究的主要结局是安全性和功能性视力恢复。研究人员比较了在症状发作后4.5小时内接受阿替普酶治疗的患者和未接受阿替普酶治疗的患者的视觉恢复率(包括仅限于未接受治疗的患者的分析)。研究人员将这些结果纳入了更新的系统评价和患者水平的荟萃分析中。

研究人员招募了112例患者,其中25例(占队列的22.3%)接受了IV阿替普酶治疗。一名患者接受静脉注射阿替普酶治疗后发生无症状性脑出血。在接受阿替普酶治疗的患者中,有44%的患者在4.5小时内视力恢复,而未接受阿替普酶治疗的患者为13.1%(P=0.003),而在4小时内就诊未接受阿替普酶治疗的患者为11.6%(P=0.03)。研究人员对238位患者进行了最新患者荟萃分析,其中包含了67名4.5小时内接受阿替普酶治疗的患者,其恢复率为37.3%。相比之下,未经治疗的患者的恢复率为17.7%。在线性回归中,早期治疗与较高的视力恢复率相关(P=0.01)。

这项研究表明,在症状发作的4.5小时内给予静脉阿替普酶与急性中央视网膜动脉闭塞患者更高的良好疗效可能性相关。

原始出处:

Brian Mac Grory,et al.Intravenous Fibrinolysis for Central Retinal Artery Occlusion A Cohort Study and Updated Patient-Level Meta-Analysis.stroke.2020.https://www.ahajournals.org/doi/10.1161/STROKEAHA.119.028743

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    2020-12-01 fusion
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    2020-11-12 tomyang96
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    2020-06-21 zutt
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