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Abstract Title:

Short-term effects of ambient particulate matter on blood pressure among children and adolescents:A cross-sectional study in a city of Yangtze River delta, China.

Abstract Source:

Chemosphere. 2019 Dec ;237:124510. Epub 2019 Aug 6. PMID: 31549641

Abstract Author(s):

Hai-Bing Yang, Chen-Gang Teng, Jia Hu, Xiao-Yan Zhu, Ying Wang, Jing-Zhi Wu, Qi Xiao, Wei Yang, Hui Shen, Fang Liu

Article Affiliation:

Hai-Bing Yang

Abstract:

Several studies have demonstrated associations between short-term exposure to particulate matter (PM) and blood pressure (BP) among various adults groups, but evidence in children and adolescents is still rare. In 2016, a cross-sectional survey was conducted among 194 104 participants aged 6-17 years in Suzhou, China. Daily concentrations of particulate matters with an aerodynamic diameter of ≤10 μg/m(PM) and aerodynamic diameter≤2.5 μg/m(PM) on 0-6 days preceding BP examination were collected from nearby air monitoring stations. Using generalized linear mixed-effects models, short-term effects of PM on personal BP were estimated. A 10 μg/mincrement in the 0-6 day mean of PMwas significantly associated with elevation of 0.20 mmHg [95% confidence interval (95% CI) 0.16-0.23] in systolic BP (SBP), 0.49 mmHg (95% CI 0.45-0.53) in diastolic BP (DBP), respectively. Similarly, 0.14 mmHg (95% CI 0.12-0.16) higher SBP and 0.32 mmHg (95% CI 0.30-0.34) higher DBP were found for each 10 μg/mincrease in 0-6 day mean of PM. More apparent associations were observed in females than in males. Odds ratio (95%CI) of for PMexposure at 0-6 d mean was 1.06 (1.03-1.08) in females, while it was 1.01 (0.99-1.03) in males. Participants with young ages, underweight and obesity were also associated with increased susceptibility to PM-induced BP effects. Short-term exposure in PM was significantly associated with elevated BP in children, indicating a need to control PM levels and protect children from PM exposure in China.

Study Type : Human Study

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Sayer Ji
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