Stroke:淀粉样血管病与执行功能障碍和轻度认知功能障碍相关

2016-06-29 phylis 译 MedSci原创

背景:尸检研究表明,脑淀粉样血管病(CAA)与认知功能障碍和痴呆发生风险相关。研究者分析前瞻性队列研究中CAA患者的神经心理学测验的数据,识别认知障碍的发病率及脑磁共振成像特点和载脂蛋白E基因相关性。方法:数据来自34民航局分析,16阿尔茨海默病,69轻度认知障碍,27的缺血性中风的参与者。神经心理测试结果表示为Z分数的测试手册提供的规范性数据,然后分为域的内存,执行功能和处理速度。结果:CAA受

背景:尸检研究表明,脑淀粉样血管病(CAA)与认知功能障碍和痴呆发生风险相关。研究者分析前瞻性队列研究中CAA患者的神经心理学测验的数据,识别认知障碍的发病率及脑磁共振成像特点和载脂蛋白E基因相关性。

方法:数据来自34个CAA,16个阿尔茨海默病,69个轻度认知障碍,27个缺血性中风的参与者。神经心理测试结果表示为Z分数的测试手册提供的规范性数据,然后分为域的内存,执行功能和处理速度。

结果:CAA受试者平均测试分数的记忆功能(-0.44±1.03;P = 0.02),执行功能(-1.14±1.07;P<0.001)和处理速度(-1.06±1.12;P<0.001)显著低于正常人。27例CAA受试者(79%)有轻度认知障碍基于低认知能力伴随着认知问题。CAA的受试者和阿尔茨海默病有同样的低执行功能分数,但相对保存记忆。CAA受试者执行功能和加工速度的得分均低于缺血性脑卒中。CAA患者较低的处理速度与较高的磁共振成像的脑白质高信号量相关。与载脂蛋白Eε4等位基因没有相关性。

结论:CAA患者轻度认知功能障碍是很普遍的。CAA的总体认知特征更类似于血管性认知障碍而不是阿尔茨海默病。脑白质缺血性病变可能基于CAA处理速度受损。

原始出处:

Case NF, Charlton A, et al. Cerebral Amyloid Angiopathy Is Associated With Executive Dysfunction and Mild Cognitive Impairment. Stroke. 2016 Jun 23.


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    2016-10-11 ylzr123

    学习了,好文值得点赞!

    0

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    2016-07-01 微分

    学习了,方法学不错,思路不错

    0

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