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Updated: Jan 15, 2026

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关键温度值用于识别与热有关的过度心血管发病率和死亡率的脆弱性
Peter M Graffy1,2,3, Benjamin W Barrett1,2, Daniel E Horton4
1Health Sciences Integrated Program, Northwestern University Chicago IL USA.
Journal of the American Heart Association
|January 14, 2026
概括
极端高温显著增加心血管疾病 (CVD) 死亡率,在不同的时间尺度上有不同的温度值. 了解社区的脆弱性是针对针对性公共卫生干预针对与热有关的风险的关键.
科学领域:
- 环境健康 环境健康
- 流行病学 流行病学
- 心血管疾病研究研究
背景情况:
- 极端高温是已知的环境危害,与心血管疾病 (CVD) 发病率和死亡率的增加有关.
- 有限的研究存在于温度的影响跨多个时间尺度和社区特定的热的脆弱性.
研究的目的:
- 分析温度和心血管疾病死亡和急诊室访问在各种时间尺度之间的关联.
- 根据社会人口统计学因素和环境条件,确定特定社区的热脆弱性概况.
主要方法:
- 利用了社区级心血管疾病死亡率和急诊室访问数据,与社会人口统计信息和高分辨率温度/湿度估计相关联.
- 采用了通用添加模型来估计跨时间尺度的过度热量相关率.
- 使用主要组件分析和k-means集群来根据热脆弱性对社区区域进行分类.
主要成果:
- 较高的温度显示,在温暖的季节,每月和每天的尺度上,与心血管疾病和冠心病死亡率的增加有显著关联.
- 观察到心血管疾病死亡率的高峰温暖季节值为25.6°C,每日高峰为39.5°C.
- 根据社会经济地位,人口统计和热/湿度暴露,确定了三个不同的社区脆弱性概况.
结论:
- 心血管死亡的温度值因时间尺度和心血管疾病亚型而异,对整体心血管疾病和冠心病死亡率有重大影响.
- 将温度死亡率数据与社区脆弱性资料相结合,可以增强热预警系统,并为本地适应策略提供信息.
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