公共卫生 公共卫生
Sadaf Arefi Milani1, Izabella Galindo1, Alexandra Holland1
1University of Texas Medical Branch, Galveston, TX, USA.
Alzheimer's & dementia : the journal of the Alzheimer's Association
|December 23, 2025
概括
暴露于极端的热量与老年墨西哥裔美国人的认知能力下降有关. 较高的温度与更差的认知功能和随着时间的推移更快的衰退有关.
科学领域:
- 环境健康 环境健康
- 老年学是一门学科.
- 认知科学 认知科学
背景情况:
- 极端高温事件正在增加,对老年人等弱势群体造成重大健康风险.
- 老年人的认知功能可能会直接或间接地受到暴露于热量的影响.
- 了解热量对认知的影响对于公共卫生干预至关重要.
研究的目的:
- 评估极端高温与老年墨西哥裔美国人的认知功能之间的关联.
- 研究热暴露对认知衰退的纵向影响.
- 确定热浪对特定人口群体认知健康的潜在风险.
主要方法:
- 利用来自西班牙裔定居人口的数据进行老年人的流行病学研究 (HEPESE) (2004/2005-2015/2016).
- 将GridMET的热量数据 (每日最大热量指数) 与德克萨斯州和加利福尼亚州居民的参与者数据联系起来.
- 采用混合效应模型来分析每年极端高温天数 (90°F+) 和认知分数 (MMSE) 之间的关联.
主要成果:
- 极端高温 (90°F+) 与更糟糕的基线认知 (β: -0.008) 和随着时间的推移认知能力下降 (β: -0.003) 相关.
- 危险的热量 (104°F+) 与较差的基线认知 (β: -0.033) 和随着时间的推移下降 (β: -0.005) 有较强的关联.
- 这项研究包括1723名老年墨西哥裔美国人,平均年龄为81.7岁.
结论:
- 超过90°F的每日热量指数与老年墨西哥裔美国人的认知功能随着时间的推移而下降有关.
- 需要进一步的研究来阐明将热暴露与认知障碍联系在一起的具体途径.
- 研究结果强调需要有针对性的公共卫生战略,以保护老年人免受与热有关的认知风险.
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