Neurology:肾功能损害与卒中后认知功能下降相关

2016-06-29 phylis 译 MedSci原创

目的:评价纵向队列研究中,肾功能受损,大脑病理学成像及脑卒中后认知功能下降相互关系。方法:特拉维夫急性脑卒中队列研究是一项前瞻性队列研究,受试者为无痴呆轻中度缺血性脑卒中或TIA的幸存者,患者进行 3T磁共振扫描,入院和卒中后24个月后进行认知功能评估。入院应用肌酐清除率(CCL)评估肾功能。使用的验证方法测量缺血性病变的体积和原有的白质高信号(WMH),脑萎缩,和正常脑白质组织微观结构的变化。结

目的:评价纵向队列研究中,肾功能受损、大脑病理学成像及脑卒中后认知功能下降相互关系。

方法:特拉维夫急性脑卒中队列研究是一项前瞻性队列研究,受试者为无痴呆轻中度缺血性脑卒中或TIA的幸存者,患者进行 3T磁共振扫描,入院和卒中后24个月后进行认知功能评估。入院应用肌酐清除率(CCL)评估肾功能。使用的验证方法测量缺血性病变的体积和原有的白质高信号(WMH)、脑萎缩和正常脑白质组织微观结构的变化。

结果:431名受试者基线数据可用。基线CCL<60mL/min的患者,认知功能测试比CCL≥60mL/min,WMH体积较大和皮质萎缩和海马体积较小的(P均<0.001)患者差。2年后,15.5%的受试者被诊断为认知功能障碍。多因素Logistic回归分析,校正传统危险因素后,显示基线 CCL<60 mL/min可作为卒中后2年认知功能障碍发展的显著预测因子(OR 2.01,95%CI 1.03-3.92)。

结论:肾功能受损与WMH体积增加和皮质萎缩相关,是已知的大脑老化的生物标志物,也是一种脑卒中或TIA后2年认知能力下降的预测因子。肾功能下降可能与脑小血管疾病(卒中后认知功能下降潜在相关)相关,可能为早期干预的新靶点。

原始出处:

Auriel E, Kliper E, et al. Impaired renal function is associated with brain atrophy and poststroke cognitive decline. Neurology. 2016 May 24.


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    2016-09-25 yese
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    2016-10-11 ylzr123

    赞了,认真探究、学习。

    0

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    2016-11-15 yinhl1978

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