热浪,细颗粒物和心血管疾病死亡率:一个时间分层的案例交叉研究在深,中国
Ziyang Zou1, Ruijun Xu2, Ziquan Lv3
1Shenzhen Center for Disease Control and Prevention, Shenzhen, Guangdong, China; School of Public Health, Southern Medical University, Guangzhou, Guangdong, China.
Ecotoxicology and environmental safety
|March 4, 2025
概括
极端的热浪和细颗粒物 (PM2.5) 显著增加了心血管疾病 (CVD) 的死亡率. 减少对热量和PM2.5的暴露,可以预防心血管疾病的过早死亡,特别是在弱势群体中.
科学领域:
- 环境健康 环境健康
- 流行病学 流行病学
- 心血管研究研究心血管研究
背景情况:
- 全球变暖增加了对热浪和细颗粒物 (PM2.5) 的共同暴露.
- 热浪和PM2.5对心血管疾病 (CVD) 死亡率的综合影响尚不清楚.
研究的目的:
- 调查热浪和PM2.5对心血管疾病死亡率的独立和互动影响.
- 确定易受这些暴露影响的弱势群体.
主要方法:
- 一个时间分层的病例交叉研究40169个心血管疾病死亡在深,中国 (2013-2022).
- 利用与住宅地址相关的气象和空气污染物数据.
- 采用条件后勤回归来分析热浪和PM2.5暴露的影响.
主要成果:
- 热浪增加了心血管疾病死亡率 (ORs 1.17-1.91).
- 每增加10μg/m3的PM2.5都会增加心血管疾病死亡风险 (ORs1.0283-1.029).
- 在热浪和PM2.5之间观察到一个协同效应,导致2.03%的心血管疾病死亡.
结论:
- 热浪和PM2.5单独和协同地提高心血管疾病死亡风险.
- 减少对热浪和PM2.5的联合暴露提供了显著的公共健康益处.
- 针对热量和空气污染的干预措施对于预防心血管疾病过早死亡至关重要.
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