城市热岛强度对急性心肌梗塞急诊室访问率的影响
Brenna Lilley1, Olawale Amubieya2, Boback Ziaeian3,4
1Department of Medicine, UCLA Health, Los Angeles, CA, United States.
European journal of preventive cardiology
|December 17, 2025
概括
城市热岛暴露显著增加急性心肌梗塞 (AMI) 事件率,特别是与空气污染和社会脆弱性相结合时. 缓解策略对于城市心血管健康至关重要.
科学领域:
- 环境健康 环境健康
- 心血管流行病学心血管流行病学
- 城市规划 城市规划
背景情况:
- 城市热岛 (UHI) 强度在都市地区越来越令人担忧.
- 心血管疾病 (CVD) 是导致死亡的首要原因,热暴露是其中的一个因素.
- 了解环境和社会决定因素的相互作用对公共健康至关重要.
研究的目的:
- 调查UHI暴露对临床显著心血管疾病 (CVD) 的影响.
- 分析空气污染和社会决定因素等环境因素如何改变UHI-CVD关系.
- 检查这些协会在加利福尼亚州城市地区的人口普查区一级.
主要方法:
- 利用加利福尼亚州公开可用的人口普查区域级数据.
- 包括表面城市热岛强度 (SUHII),急性心肌梗塞 (AMI) 率,PM2.5,NDVI,人口数据和社会脆弱性指数 (SVI).
- 根据这些变量开发了统计模型来预测基于这些变量的AMI事件率.
主要成果:
- 较高的SUHII暴露与增加的AMI事件率相关 (17%的中位数,22%的高暴露).
- 升高的PM2.5和SVI与更高的预测AMI率有关.
- 在西班牙裔,黑人和美洲印第安人人口比例较高的城市地区,预测的AMI率增加.
结论:
- 该研究强调了UHI,空气污染和社会脆弱性对城市环境中AMI事件的综合影响.
- 强调少数民族和社会经济弱势群体承担的不成比例的负担.
- 建议UHI缓解策略,以减少与热有关的心血管事件.
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