在中国大陆,死亡风险和易受炎热夜晚的伤害 中国大陆
Jingjing Wu1,2,3, Tanchun Yu4, Shiqi Liu1,2,3
1Clinical Research Center, The Third Xiangya Hospital, Central South University, Changsha 410013, China.
iScience
|October 13, 2025
概括
在中国,炎热的夜晚显著增加了所有原因和心血管问题的死亡率. 老年人和女性最容易受到这些危险的夜间炎热事件的影响.
科学领域:
- 环境健康 环境健康
- 公共卫生 公共卫生
- 流行病学 流行病学
背景情况:
- 高环境温度对公共健康构成重大风险,但对夜间热量影响的研究,特别是在发展中国家,是有限的.
- 关于炎热夜晚对弱势群体健康影响的现有证据仍然很少,需要进一步调查.
研究的目的:
- 研究中国炎热夜晚与全因和心血管死亡率之间的关联.
- 确定易受夜间暴露于热量的不良健康影响的弱势群体.
主要方法:
- 通过中国疾病监测点系统 (2015-2019,5月至9月) 的数据进行了全国时间序列研究.
- 热夜被定义为每日最低温度超过第95百分位,其中包括热夜过量 (HNE) 和热夜持续时间 (HND) 的指标.
- 使用时间序列分析评估死亡风险,并进行分层分析以确定易感组.
主要成果:
- 炎热的夜晚与中国大陆全因和心血管死亡率的增加有显著的关联.
- 死亡率的影响在炎热的夜晚之后立即达到顶峰,并持续长达五天.
- 老年人和女性表现出对炎热夜晚带来的死亡风险特别敏感.
结论:
- 暴露在夜间的热量对公众健康构成重大威胁,增加死亡风险.
- 迫切需要注意解决夜间炎热对健康的影响,特别是对于老人和女性等弱势群体.
- 这些发现支持制定有针对性的公共卫生战略,以减轻与热有关的死亡率.
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