野火烟雾暴露和老年人因特定原因住院治疗
Sofia L Vega1, Marissa L Childs2, Sarika Aggarwal1
1Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, Massachusetts.
JAMA network open
|April 30, 2025
概括
暴露于野火烟雾,特别是细颗粒物 (PM2.5),与老年人因呼吸系统问题而增加住院的情况有关. 这凸显了对抗野火烟雾影响的公共卫生干预措施的迫切需要.
科学领域:
- 环境健康 环境健康
- 流行病学 流行病学
- 公共卫生 公共卫生
背景情况:
- 美国西部的野火强度正在增加,导致更大的烟雾污染暴露.
- 以前关于野火烟雾对健康的影响的研究主要集中在死亡率和急性呼吸/心血管事件上.
研究的目的:
- 调查烟雾特定细颗粒物 (PM2.5) 暴露与美国西部老年人因特定原因住院治疗之间的关联.
- 描述这些关联的度-反应曲线,探索潜在的非线性关系.
主要方法:
- 一项回顾性队列研究,使用来自美国西部各州的医疗保险住院患者索赔数据 (2006-2016).
- 机器学习模型估计了每日县级烟雾特定的PM2.5度.
- 分布式滞后模型分析了PM2.5暴露与13种非计划住院住院之间的关联.
主要成果:
- 包括超过1000万名医疗保险受益者,分析了470万例住院病例.
- 对呼吸道和心血管住院病例观察到非线性关联,在PM2.5度超过25μg/m3时观察到的增加.
- 每日呼吸系统住院病例增加2.40/100,000与烟雾PM2.5从0到40μg/m3的增加有关.
结论:
- 暴露于高水平的野火烟雾污染与老年人因呼吸道疾病住院的增加有关.
- 调查结果强调了公共卫生战略的必要性,以减轻野火烟雾对健康的影响.
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