Relationship of Ambient Humidity with Cardiovascular Diseases: A Prospective Study of 24,510 Adults in a General Population.

Congyi Zheng, Jiamin Wu, Haosu Tang, Xin Wang, Ye Tian, Xue Cao, Yixin Tian, Runqing Gu, Yuxin Song, Xuyan Pei, Jiayuan Qiu, Zujiao Nie, Minmei He, Gang Huang, Zengwu Wang
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Abstract

Objective: This study aimed to explore the association between humidity exposure and the risk of cardiovascular disease (CVD), utilizing follow-up data and relative humidity (RH) metric assessments.

Methods: We extracted the baseline data from the China Hypertension Survey (CHS) of 24,510 enrolled participants aged ≥ 35 years without a history of CVD between 2012 and 2015 and followed them up from 2018 to 2019. The National Meteorological Information Center (NMIC) of the China Meteorological Administration (CMA) provided the quality-controlled relative humidity (RH) datasets. Cox proportional hazards models were used to estimate hazard ratios ( HRs) for CVD in relation to RH.

Results: During the follow-up period (2018-2019), 973 patients with CVD were identified. The HR of CVD risk was 1.17 (95% CI: 1.04-1.31) per 10% increase in summer mean RH. Compared with participants in the 3 rd quintile group, those in the 1 st and 5 th quintiles of RH had a higher risk of CVD. For summer mean RH, the HRs (95% CIs) for the 1 st and 5 th quintiles were 1.34 (1.04-1.71) and 1.44 (1.14-1.83), respectively. The relationship ("U" shape) between summer mean RH and the risk of CVD was nonlinear. Stratified analyses indicated that the risk of CVD was substantially influenced by the summer mean RH in female, older individuals, and those in southern China.

Conclusion: Unsuitable (too high or low) humidity environments affect the risk of CVD. Our study highlights those future policies for adapting to climate change should consider the humidity-CVD relationship.

环境湿度与心血管疾病的关系:一项24510名普通人群成年人的前瞻性研究
目的:本研究旨在利用随访数据和相对湿度(RH)度量评估,探讨湿度暴露与心血管疾病(CVD)风险之间的关系。方法:我们从2012年至2015年中国高血压调查(CHS)中提取24,510名年龄≥35岁且无心血管疾病史的参与者的基线数据,并在2018年至2019年对他们进行随访。中国气象局国家气象信息中心(NMIC)提供了质量控制相对湿度(RH)数据。Cox比例风险模型用于估计心血管疾病与RH相关的风险比(hr)。结果:在随访期间(2018-2019),确定了973例CVD患者。夏季平均RH每增加10%,心血管疾病风险的HR为1.17 (95% CI: 1.04-1.31)。与第三五分之一组的参与者相比,RH的第1和第5五分之一组的参与者患心血管疾病的风险更高。夏季平均RH第1分位和第5分位的hr (95% ci)分别为1.34(1.04 ~ 1.71)和1.44(1.14 ~ 1.83)。夏季平均RH与CVD发病风险呈“U”型非线性关系。分层分析表明,女性、老年人和中国南方人群的夏季平均RH对CVD的风险有很大影响。结论:湿度不适宜(过高或过低)影响心血管疾病的发生。我们的研究强调,未来适应气候变化的政策应该考虑湿度与cvd的关系。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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