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Stroke: 脑白质高信号与腔隙性脑梗死风险增加相关

2016-07-10 phylis 译 MedSci原创

背景:腔隙性脑梗死的患者脑白质高信号(WMH)增加。这两者是否有共同的发病机制尚不清楚。研究者利用遗传数据,评估WMH相关遗传易感性因素是否与腔隙性脑梗死的风险一致,因此判断两者是否有共同的机制。方法:研究者应用遗传风险评分的方法来探讨社区人群WMH相关的单核苷酸多态性是否与MRI证实存在腔隙性脑梗死(n = 1373),心源性栓塞(n = 1331)和大血管性梗死(n = 1472)相关。急性脑

背景:腔隙性脑梗死的患者脑白质高信号(WMH)增加。这两者是否有共同的发病机制尚不清楚。研究者利用遗传数据,评估WMH相关遗传易感性因素是否与腔隙性脑梗死的风险一致,由此判断两者是否有共同的机制。

方法:研究者应用遗传风险评分的方法来探讨社区人群WMH相关的单核苷酸多态性是否与MRI证实存在的腔隙性脑梗死(n = 1373)、心源性栓塞(n = 1331)和大血管性梗死(n = 1472)相关。急性脑卒中治疗的亚型Org 10172试验中,对照组为9053例。其次,研究者将腔隙性脑梗死分为WMH(n = 568)和无WMH(N = 787),并测试这2组风险评分与其的相关性。此外,研究者评估WMH相关的单核苷酸多态性是否与腔隙性脑梗死相关。

结果:在WMH(1.15 [ 1.05-1.26 ])或无WMH(1.11 [ 1.02-1.21 ])的患者中,WMH遗传风险评分都与腔隙性脑梗死相关(OR[95% CI]= 1.14 [ 1.06-1.22 ])。相反,风险评分与心源性卒中(1.03 [ 0.97-1.09 ])或大血管卒中(0.99 [ 0.93,1.04 ])不相关。然而,WMH相关的单核苷酸多态性与腔隙性脑卒中的相关性没有Bonferroni校正意义。

结论:与WMH相关的遗传变异与腔隙性脑梗死风险增加相关,但与心源性或大血管性卒中不相关。一些遗传易感因素似乎与小血管疾病不同的影像学表现有共同的影响因素。

原始出处:

Traylor M, Rutten-Jacobs LC, et al. Genetic Associations With White Matter Hyperintensities Confer Risk of Lacunar Stroke. Stroke. 2016 May


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    2016-10-11 ylzr123

    赞一个!好文章拜读了,认真学习了。

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    2016-07-11 karmond
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