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Effects of fine particulate on heart rate variability in Beijing: a panel study of healthy elderly subjects
Jia, Xiaofeng1; Song, Xiaoming1; Shima, Masayuki2; Tamura, Kenji3; Deng, Furong1; Guo, Xinbiao1
关键词Fine Particulate Matter Indoor Air Pollution Heart Rate Variability Healthy Elderly Subjects Epidemiology
刊名INTERNATIONAL ARCHIVES OF OCCUPATIONAL AND ENVIRONMENTAL HEALTH
2012
DOI10.1007/s00420-011-0646-3
85期:1页:97-107
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Public, Environmental & Occupational Health
研究领域[WOS]Public, Environmental & Occupational Health
关键词[WOS]CORONARY-ARTERY-DISEASE ; AIR-POLLUTION ; CARDIOVASCULAR-DISEASE ; CARDIAC MORTALITY ; COARSE PARTICLES ; AUTONOMIC TONE ; EXPOSURE ; MATTER ; ASSOCIATION ; ELECTROCARDIOGRAM
英文摘要

Purpose This study aims to investigate the effects of ambient fine particulate (particulate matter with an aerodynamic diameter of 2.5 mu m or less, PM2.5) exposure within several minutes on Heart Rate Variability (HRV) of the healthy elderly subjects in the general environments (indoor and outdoor).

Methods This study is conducted by measuring the real-time indoor and outdoor exposure variables (PM2.5, Temperature, and relative humidity) and heart rate variability (HRV), a marker of cardiac autonomic function measured by 24-h ambulatory electrocardiogram monitoring in a panel of 30 healthy elderly subjects in Beijing. Associations between personal 5-min PM2.5 concentrations and concurrent 5-min HRV frequency indices are investigated using the mixed linear model.

Results High Frequency (HF) and Low Frequency (LF) increase, respectively by 1.30% (95% CI, 0.16-2.45%) and 1.34% (95% CI, 0.38-2.30%) per 10 mu g/m(3) increases of PM2.5 in the polled data analysis after the potential confounders are adjusted. When the indoor and outdoor periods are separated, positive associations are found between PM2.5 and HRV when the subjects are indoors; however, there is no association when the subjects are outdoors.

Conclusions We conclude that PM2.5 exposure within several minutes leads to increases of HRV of the healthy older subjects, which may increase the cardiac risks. Prominent effect of PM2.5 on HRV is found when they are indoors, while the effect is not obvious in outdoor environment.

语种英语
WOS记录号WOS:000299522900010
项目编号2006BAI19B06 ; 81072267
资助机构National Key Technologies R&amp ; D Program of China ; National Natural Science Foundation 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/400002259/57242
专题北京大学公共卫生学院
作者单位1.Hyogo Coll Med, Nishinomiya, Hyogo 6638501, Japan
2.Peking Univ, Dept Occupat & Environm Hlth Sci, Sch Publ Hlth, Beijing 100191, Peoples R China
3.Natl Inst Environm Studies, Tsukuba, Ibaraki, Japan
推荐引用方式
GB/T 7714
Jia, Xiaofeng,Song, Xiaoming,Shima, Masayuki,et al. Effects of fine particulate on heart rate variability in Beijing: a panel study of healthy elderly subjects[J]. INTERNATIONAL ARCHIVES OF OCCUPATIONAL AND ENVIRONMENTAL HEALTH,2012,85(1):97-107.
APA Jia, Xiaofeng,Song, Xiaoming,Shima, Masayuki,Tamura, Kenji,Deng, Furong,&Guo, Xinbiao.(2012).Effects of fine particulate on heart rate variability in Beijing: a panel study of healthy elderly subjects.INTERNATIONAL ARCHIVES OF OCCUPATIONAL AND ENVIRONMENTAL HEALTH,85(1),97-107.
MLA Jia, Xiaofeng,et al."Effects of fine particulate on heart rate variability in Beijing: a panel study of healthy elderly subjects".INTERNATIONAL ARCHIVES OF OCCUPATIONAL AND ENVIRONMENTAL HEALTH 85.1(2012):97-107.
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