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美国老年人的睡眠时间和认知功能之间的关联来自NHANES 2011-2014:对炎症生物标志物的调解分析
Meichang Wang1, Xiaoli Zeng1, Qifen Liu2
1School of Nursing, Guangdong Pharmaceutical University, Guangzhou, Guangdong Province, China.
Journal of affective disorders
|February 3, 2025
概括
长时间的睡眠时间与老年人的认知功能较差有关. 血液炎症标志物,如中性粒细胞计数,部分解释了这种关联,突出了干预的潜在目标.
科学领域:
- 老年学是一门学科.
- 神经科学是一个神经科学.
- 免疫学 免疫学 免疫学
背景情况:
- 在老年人中,睡眠时间和认知功能之间存在着强烈的联系.
- 关联睡眠时间和认知的潜在生物机制仍未得到充分探索.
- 这项研究调查了炎症标志物在这种关系中的作用.
研究的目的:
- 评估炎症生物标志物在美国老年人睡眠时间和认知功能之间的关联中的调解作用.
- 确定特定的基于血液的炎症标志物,可以解释长时间睡眠和认知能力下降之间的联系.
主要方法:
- 分析了来自国家健康和营养检查调查 (NHANES) 的2502名参与者.
- 认知功能通过CERAD和DSST测试进行评估.
- 睡眠时间自我报告;通过血液样本测量炎症标志物 (WBC,NE,NLR,SII).
- 用于分析数据的调解模型.
主要成果:
- 长时间的睡眠时间 (≥9小时) 与正常睡眠时间 (7-9小时) 相比,在CERAD和DSST上表现明显较低.
- 中性粒细胞计数 (NE) 部分介导了长时间睡眠时间和认知功能之间的关联.
- 白血细胞 (WBC) 数量调节了长时间睡眠时间和DSST表现之间的关系.
结论:
- 长时间的睡眠时间是老年人认知障碍的危险因素.
- 血液炎症生物标志物提供了一种具有成本效益的方法来识别潜在的睡眠相关认知问题.
- 炎症标志物在长时间睡眠时间与认知关系中起着重要的调解作用.
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