环境颗粒物和慢性阻塞性肺病死亡率:中国的一项全国性,个体级,病例交叉研究
Shuo Jiang1, Xunliang Tong2, Kexin Yu3
1School of Public Health, Key Lab of Public Health Safety of the Ministry of Education and NHC Key Lab of Health Technology Assessment, Fudan University, Shanghai, China; Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China.
EBioMedicine
|August 13, 2024
概括
短期暴露于细颗粒物 (PM2.5) 和粗颗粒物 (PM2.5-10) 增加了中国COPD死亡率的风险. 这些空气污染物构成环境风险,其影响在同一天达到顶峰.
科学领域:
- 环境健康 环境健康
- 呼吸系统医学 呼吸系统医学
- 流行病学 流行病学
背景情况:
- 短期颗粒物空气污染与COPD恶化有关.
- 颗粒物暴露与COPD死亡率之间的关联需要进一步阐明.
研究的目的:
- 通过个人级数据,评估中国短期颗粒物暴露与慢性肺炎死亡风险之间的关联.
主要方法:
- 利用国家死亡登记数据库 (2013-2019) 对226万例COPD死亡的数据.
- 评估细颗粒物 (PM2.5) 和粗颗粒物 (PM2.5-10) 暴露使用基于卫星的模型在1x1公里分辨率.
- 采用时间分层的案例交叉设计,有条件后勤回归和分布式滞后模型.
主要成果:
- 短期暴露于PM2.5和PM2.5-10均显著增加了COPD死亡风险.
- 关联在同一天达到顶峰,并在5-7天后变得无关紧要.
- 在PM2.5和PM2.5-10的四分位数间范围的增加与4.23%和2.67%更高的COPD死亡风险有关.
结论:
- 短期暴露于PM2.5和PM2.5-10是中国COPD死亡率的重要环境风险因素.
- 调查结果强调了空气污染对呼吸道死亡率的公共卫生影响.
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