在杰克逊心脏研究中,环境温度与血压的关联
Annabel X Tan1, Andrew Y Chang2,3, Daichi Shimbo4
1Department of Epidemiology and Population Health, Stanford University, Stanford, CA, USA. annabelxtan@stanford.edu.
Journal of human hypertension
|May 15, 2025
概括
较高的室外温度与非洲裔美国成年人的血压降低有关. 这项专注于环境热量和密西西比州杰克逊的BP的研究发现了重要的关联,突出了气候变化对心血管健康的影响.
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
- 气候变化的影响 气候变化的影响
背景情况:
- 气候变化加剧的极端温度事件对人类健康构成风险,特别是血压 (BP).
- 非洲裔美国人由于系统不平等而面临极端温度的不成比例影响.
- 之前的研究还没有充分探讨这个特定的人群中环境温度和BP之间的关联.
研究的目的:
- 在一组非洲裔美国成年人中调查室外环境温度和血压 (BP) 之间的关系.
- 为了测试这样的假设,即每日更高的室外温度与较低的BP有关.
- 通过社会经济地位来研究这种关系的潜在变化.
主要方法:
- 利用线性混合效应模型分析来自杰克逊心脏研究 (JHS) 队列的数据.
- 包括5296名参与者在三次访问 (2000-2013) 中读取了BP读数.
- 调整为包括心血管疾病,糖尿病,高血压药物,性别,年龄和访问次数在内的共同变量.
主要成果:
- 平均温度上升1摄氏度与缩血压 (SBP) 降低0.11 mm Hg有关 (p < 0.001).
- 平均气温上升1摄氏度与扩张性血压 (DBP) 降低0.06毫米升有关.
- 这些协会表现出弱曲线 (反转的U形) 模式,并且没有受到社会经济地位标志物的修改.
结论:
- 较高的环境温度与杰克逊心脏研究队列中的非裔美国成年人血压水平的降低有显著关联.
- 这一发现表明,在脆弱人群中,环境温度和心血管健康之间存在复杂的相互作用.
- 需要进一步的研究,以了解在易受极端温度影响的地区的这些关联.
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