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Effects of Volatile Organic Compounds, and Formaldehyde on Heart Rate Variability among Elderly People in Seoul
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Jeong Cheol Seo, Mo Yeol Kang, Soo Hun Cho, Youn Hee Lim, Jin Hee Kim, Jong Ryeul Sohn, Yun Chul Hong
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Korean Journal of Occupational and Environmental Medicine 2011;23(3):253-260. Published online September 30, 2011
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DOI: https://doi.org/10.35371/kjoem.2011.23.3.253
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 Abstract
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- OBJECTIVES
The purpose of the present study was to investigate the effects of volatile organic compounds, and formaldehyde on heart rate variability among elderly people who are vulnerable to ambient pollution.
METHODS
From May to August of 2009, 57 subjects older than 60 years were recruited in this study. Indoor air pollutants (volatile organic compounds and formaldehyde) were measured by a personal passive sampler. Heart rate variability (HRV) was measured in the sitting position for five minutes and assessed by time-domain and frequency-domain.
RESULTS
Multiple linear regression analysis showed significantly less low-frequency (LF) and high-frequency (HF) associated with elevated benzene levels. Exposure to toluene was associated with decreases in the Standard deviation of the NN intervals (SDNN) and LF. SDNN and LF were negatively associated with the increment of ethylbenzene levels.
CONCLUSIONS
An adverse effect on cardiovascular function caused by volatile organic compounds was observed among the elderly people of Seoul even though indoor air pollutant levels were lower than the yearly average guideline for indoor air quality in Korea.
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Citations
Citations to this article as recorded by  - Estimating Benzene Exposure Level over Time and by Industry Type through a Review of Literature on Korea
Donguk Park, Sangjun Choi, Kwonchul Ha, Hyejung Jung, Chungsik Yoon, Dong-Hee Koh, Seunghun Ryu, Soogeun Kim, Dongmug Kang, Kyemook Yoo
Safety and Health at Work.2015; 6(3): 174. CrossRef
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