营养摄入量改变了NHANES 2011-2012年美国老年人肺功能和认知表现之间的关联
Yan-Ping Wu1, Chang-Jun Li1, Xian-Xin Xia2
1Department of Neurology, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430030, People's Republic of China.
European geriatric medicine
|January 16, 2024
概括
肺功能 (PF) 与更好的认知功能有关,特别是数字符号替换测试 (DSST). 这种关联在老年人中更强,能量和蛋白质摄入量较低.
科学领域:
- 老年学是一门学科.
- 营养科学 营养科学
- 神经科学是一个神经科学.
背景情况:
- 营养摄入量是认知能力下降的可修改风险因素.
- 肺功能 (PF) 和认知之间的关系已经确立.
- 能量和蛋白质摄入量对这种关系的影响尚未研究.
研究的目的:
- 调查老年人肺功能 (PF) 和认知功能之间的关联.
- 为了检查能量和蛋白质摄入量是否会改变PF-认知关系.
主要方法:
- 利用了2011-2012年美国国家健康和营养检查调查 (NHANES) 的数据.
- 评估肺功能 (FEV1,FVC,PEF) 和认知功能 (IRT,DRT,AFT,DSST) 的情况.
- 分析了使用24小时饮食回忆的能量和蛋白质摄入量,并使用加权通用线性回归与相互作用分析.
主要成果:
- 较高的PF指标 (FEV1,FVC,PEF,复合PF) 与更好的整体认知和DSST得分有积极的关联.
- 在能量摄入量较低的人群中,观察到PF和DSST得分之间的更强的正相关性.
- 对于那些蛋白质摄入量较低的人来说,也发现了类似的增强关联.
结论:
- 更高的肺功能独立地与改善的认知功能有关,特别是DSST得分.
- 肺功能和DSST得分之间的积极关联在能量和蛋白质消耗较低的个体中更为明显.
- 饮食摄入量,特别是能量和蛋白质,可能在调节肺功能对认知的益处方面发挥作用.
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