期刊
ENVIRONMENTAL POLLUTION
卷 189, 期 -, 页码 208-214出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.envpol.2014.03.004
关键词
Air pollution; Steel production; Epidemiology; Fine particulate air pollution; Metals
Background: Studying the physiologic effects of components of fine particulate mass (PM2.5) could contribute to a better understanding of the nature of toxicity of air pollution. Objectives: We examined the relation between acute changes in cardiovascular and respiratory function, and PM2.5-associated-metals. Methods: Using generalized linear mixed models, daily changes in ambient PM2.5-associated metals were compared to daily changes in physiologic measures in 59 healthy subjects who spent 5-days near a steel plant and 5-days on a college campus. Results: Interquartile increases in calcium, cadmium, lead, strontium, tin, vanadium and zinc were associated with statistically significant increases in heart rate of 1-3 beats per minute, increases of 1 3 mmHg in blood pressure and/or lung function decreases of up to 4% for total lung capacity. Conclusion: Metals contained in PM2.5 were found to be associated with acute changes in cardiovascular and respiratory physiology. Crown Copyright (C) 2014 Published by Elsevier Ltd.
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