Stroke:西洛他唑与阿司匹林对脑小血管疾病白质变化的影响

2021-11-16 MedSci原创 MedSci原创

西洛他唑和阿司匹林对脑小血管病患者WMC进展的影响无显著差异。

脑小血管病的特征是进行性脑白质变化(WMC)。

近日,心血管疾病领域权威杂志Stroke上发表了一篇研究文章,该研究旨在比较西洛他唑和阿司匹林对脑小血管病患者WMC体积变化的影响。

在这项多中心、双盲、随机对照试验中,患有中度或重度WMC并在脑磁共振成像检查中检测到至少一个腔隙性梗死的参与者以1:1的比例随机分配到西洛他唑组和阿司匹林组。受试者每天服用一次西洛他唑缓释胶囊(200毫克)或阿司匹林(100毫克)胶囊,持续2年。该研究主要结果是磁共振图像上WMC体积从基线到2年的变化,次要成像检查结局包括腔隙或脑微出血数量的变化、各向异性分数和扩散张量图像上的平均扩散率以及脑萎缩。次要临床结局包括所有缺血性卒中、所有缺血性血管事件以及认知、运动功能、情绪、泌尿系统症状和残疾的变化。

2013年7月至2016年8月期间,256名参与者被随机分配到西洛他唑(n=127)组和阿司匹林(n=129)组。2年多来,两组受试者的WMC体积占WM总体积的百分比和WMC体积占颅内体积的百分比均增加,但两种分析均未显示各组之间存在显著差异。与西洛他唑组相比,阿司匹林组在正常外观的WM平均扩散率直方图的峰高显著降低。与阿司匹林相比,西洛他唑治疗显著降低了缺血性血管事件的风险(每100人每年0.5例 vs. 4.5例;风险比为0.11[95%CI为0.02–0.89])。

由此可见,西洛他唑和阿司匹林对脑小血管病患者WMC进展的影响无显著差异。

原始出处:

Byeong C. Kim.et al.Cilostazol Versus Aspirin on White Matter Changes in Cerebral Small Vessel Disease: A Randomized Controlled Trial.stroke.2021.https://www.ahajournals.org/doi/10.1161/STROKEAHA.121.035766

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