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Start Over Author "Wang, Weidong" Journal environment international
16 results on '"Wang, Weidong"'

5. Associations of long-term exposure to fine particulate matter and its constituents with cardiovascular mortality: A prospective cohort study in China

Author

Liang, Ruiming, primary, Chen, Renjie, additional, Yin, Peng, additional, van Donkelaar, Aaron, additional, Martin, Randall V., additional, Burnett, Richard, additional, Cohen, Aaron J, additional, Brauer, Michael, additional, Liu, Cong, additional, Wang, Weidong, additional, Lei, Jian, additional, Wang, Lijun, additional, Wang, Limin, additional, Zhang, Mei, additional, Kan, Haidong, additional, and Zhou, Maigeng, additional

Published
2022
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13. The effects of fine particulate matter constituents on exhaled nitric oxide and DNA methylation in the arginase–nitric oxide synthase pathway

Author

Zhang, Qingli, primary, Wang, Weidong, additional, Niu, Yue, additional, Xia, Yongjie, additional, Lei, Xiaoning, additional, Huo, Juntao, additional, Zhao, Qianbiao, additional, Zhang, Yihua, additional, Duan, Yusen, additional, Cai, Jing, additional, Ying, Zhekang, additional, Li, Weihua, additional, Chen, Renjie, additional, Fu, Qingyan, additional, and Kan, Haidong, additional

Published
2019
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16. Fine particulate matter air pollution and under-5 children mortality in China: A national time-stratified case-crossover study.

Author

He, Chunhua, Liu, Cong, Chen, Renjie, Meng, Xia, Wang, Weidong, Ji, John, Kang, Leni, Liang, Juan, Li, Xiaohong, Liu, Yuxi, Yu, Xue, Zhu, Jun, Wang, Yanping, and Kan, Haidong

Subjects
*CHILD mortality, *NEONATAL mortality, *PARTICULATE matter, *AIR pollution, *AIR quality standards, *COVID-19, *SUSTAINABLE development, *PREMATURE labor
Abstract

[Display omitted] • Limited evidence on short-term exposure to PM 2.5 and under-5 mortality in China. • A national case-crossover study and use of satellite-based exposure model. • PM 2.5 was associated a 1.15% (95%CI: 0.65%, 1.65%) increase in under-5 mortality. • Cause-specific mortality from diarrhea, pneumonia, digestive diseases, and preterm birth. • Supra-linear concentration-response curve with steeper slope in lower concentrations. Under-5 mortality rate is an important indicator in Millennium Development Goals and Sustainable Development Goals. To date, no nationally representative studies have examined the effects of fine particulate matter (PM 2.5) air pollution on under-5 mortality. To investigate the association of short-term exposure to PM 2.5 with under-5 mortality from total and specific causes in China. We used the national Maternal and Child Health Surveillance System to identify under-5 mortality cases during the study period of 2009 to 2019. We adopted a time-stratified case-crossover study design at the individual level to capture the effect of short-term exposure to daily PM 2.5 on under-5 mortality, using conditional logistic regression models. A total of 61,464 under-5 mortality cases were included. A 10 μg/m3 increase in concentrations of PM 2.5 on lag 0–1 d was significantly associated with a 1.15% (95%confidence interval: 0.65%, 1.65%) increase in under-5 mortality. Mortality from diarrhea, pneumonia, digestive diseases, and preterm birth were significantly associated with exposure to PM 2.5. The effect estimates were larger for neonatal mortality (<28 days), female children, and in warm seasons. We observed steeper slopes in lower ranges (<50 μg/m3) of the concentration-response curve between PM 2.5 and under-5 mortality, and positive associations remained below the 24-h PM 2.5 concentration limit recommended by WHO Air Quality Guidelines and China Air Quality Standards. This nationwide case-crossover study in China demonstrated that acute exposure to PM 2.5 may significantly increase the risk of under-5 mortality, with larger effects for neonates, female children, and during warm seasons. Relevant control strategies are needed to remove this roadblock to achieving under-5 mortality targets in developing countries. [ABSTRACT FROM AUTHOR]

Published
2022
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