Neurology:长时间睡眠有危害的临床证据来啦!

2017-02-23 xing.T MedSci原创

由此可见,长时间的睡眠可能是早期神经退行性疾病的标志,因此其是一个有用的临床工具,以确定那些在10年内进展到临床痴呆的较高风险个体。

近日,神经病学领域权威取杂志Neurology上发表了一篇研究文章,研究人员旨在评估睡眠时间与痴呆和大脑老化风险之间的相关性。

研究人员评估了Framingham心脏研究(n=2457,平均年龄为72±6岁,57%为女性)的自我报告睡眠总时间,分层3个层次:睡眠总时间<6小时(短),睡眠总时间为6-9小时(参考),和睡眠总时间>9小时(长),与10年期间相关的痴呆发病风险,以及横断面全脑体积(TCBV)和认知能力。

研究人员发现在随访10年期间共有234例患者发生全因痴呆症。在多变量分析中,睡眠时间延长与发生痴呆的风险增加相关(风险比[HR]为2.01;95%可信区间(CI)为1.24-3.26)。这些发现是由基础轻度认知障碍(HR为2.83;95%CI为1.06-7.55)和没有高中学历的参与者(HR为6.05;95%CI为3.00-12.18)所驱动。过渡到睡眠>9小时平均时间为13年与痴呆症(HR为2.43;95%CI为1.44-4.11)和临床阿尔茨海默病(HR为2.20;95%CI为1.17-4.13)风险增加相关。相对于睡眠总时间为6-9小时,睡眠时间过长也与横截面较小的TCBV(β±SE,-1.08±0.41TCBV差异的平均单位)和较差的执行功能(β±SE,-0.41±0.13 试验制作测验B减去A的分数差SD单位)相关。

由此可见,长时间的睡眠可能是早期神经退行性疾病的标志,因此其是一个有用的临床工具,以确定那些在10年内进展到临床痴呆的较高风险个体。

原始出处:


Andrew J. Westwood,et al. Prolonged sleep duration as a marker of early neurodegeneration predicting incident dementia. Neurology. http://dx.doi.org/10.1212/WNL.0000000000003732

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    2017-05-19 芳哥

    感谢梅斯医学!

    0

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    2017-06-19 yinhl1978
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