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Temperature, traffic-related air pollution, and heart rate variability in a panel of healthy adults
Wu, Shaowei1; Deng, Furong1; Liu, Youcheng2; Shima, Masayuki3; Niu, Jie4; Huang, Qinsheng4; Guo, Xinbiao1
关键词Air pollution Cardiac autonomic function Cardiovascular disease Heart rate variability Temperature
刊名ENVIRONMENTAL RESEARCH
2013
DOI10.1016/j.envres.2012.08.008
120页:82-89
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Environmental Sciences ; Public, Environmental & Occupational Health
研究领域[WOS]Environmental Sciences & Ecology ; Public, Environmental & Occupational Health
关键词[WOS]ELDERLY SUBJECTS ; BLOOD-PRESSURE ; AMBIENT-TEMPERATURE ; FINE PARTICULATE ; MORTALITY ; EXPOSURE ; DISEASE ; INFLAMMATION ; ASSOCIATION ; POPULATION
英文摘要

Background: Both ambient temperature and air pollution have been associated with alterations in cardiac autonomic function, but the responsive patterns associated with temperature exposure and the interactive effects of temperature and air pollution remain largely unclear.

Objectives: We investigated the associations between personal temperature exposure and cardiac autonomic function as reflected by heart rate variability (HRV) in a panel of 14 healthy taxi drivers in the context of traffic-related air pollution.

Methods: We collected real-time data on study subjects′ in-car exposures to temperature and traffic-related air pollutants including particulate matter with an aerodynamic diameter <= 2.5 mu m (PM2.5) and carbon monoxide (CO) and HRV indices during work time (8:30-21:00) on 48 sampling days in the warm season (May-September) and cold season (October-March). We applied mixed-effects models and loess models adjusting for potential confounders to examine the associations between temperature and HRV indices.

Results: We found nonlinear relationships between temperature and HRV indices in both the warm and cold seasons. Linear regression stratified by temperature levels showed that increasing temperature levels were associated with declines in standard deviation of normal-to-normal intervals over different temperature strata and increases in low-frequency power and low-frequency:high-frequency ratio in higher temperature range (> 25 degrees C). PM2.5 and CO modified these associations to various extents.

Conclusions: Temperature was associated with alterations in cardiac autonomic function in healthy adults in the context of traffic-related air pollution. (c) 2012 Elsevier Inc. All rights reserved.

语种英语
WOS记录号WOS:000313606400011
项目编号2006BAI19B06 ; 81072267 ; 2012AA062804
资助机构National Key Technologies R&amp ; D Program of China ; National Natural Science Foundation of China ; National High Technology Research and Development Program of China ; Academic Award for Excellent Doctoral Candidates of the Ministry of Education of the People&prime ; s Republic of China
引用统计
被引频次:18[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/64361
专题北京大学公共卫生学院
北京大学公共卫生学院_劳动卫生与环境卫生学系
北京大学公共卫生学院_公共卫生学院
北京大学第三临床医学院_心血管内科
作者单位1.Peking Univ, Sch Publ Hlth, Dept Occupat & Environm Hlth Sci, Beijing 100191, Peoples R China
2.Univ N Texas Hlth Sci Ctr, Dept Environm & Occupat Hlth Sci, Sch Publ Hlth, Ft Worth, TX USA
3.Hyogo Coll Med, Dept Publ Hlth, Kobe, Hyogo, Japan
4.Peking Univ, Hosp 3, Beijing 100191, Peoples R China
推荐引用方式
GB/T 7714
Wu, Shaowei,Deng, Furong,Liu, Youcheng,et al. Temperature, traffic-related air pollution, and heart rate variability in a panel of healthy adults[J]. ENVIRONMENTAL RESEARCH,2013,120:82-89.
APA Wu, Shaowei.,Deng, Furong.,Liu, Youcheng.,Shima, Masayuki.,Niu, Jie.,...&Guo, Xinbiao.(2013).Temperature, traffic-related air pollution, and heart rate variability in a panel of healthy adults.ENVIRONMENTAL RESEARCH,120,82-89.
MLA Wu, Shaowei,et al."Temperature, traffic-related air pollution, and heart rate variability in a panel of healthy adults".ENVIRONMENTAL RESEARCH 120(2013):82-89.
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