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The Effects of Short-Term PM 2.5 Exposure on Pulmonary Function among Children with Asthma—A Panel Study in Shanghai, China

Author

Listed:
  • Ji Zhou

    (Department of Atmospheric and Oceanic Sciences & Institute of Atmospheric Sciences, Fudan University, Shanghai 200437, China
    Shanghai Typhoon Institute, China Meteorological Administration (CMA), Shanghai 200030, China
    Shanghai Key Laboratory of Meteorology and Health, Shanghai Meteorological Bureau, Shanghai 200030, China
    These authors contributed equally to this work.)

  • Ruoyi Lei

    (Institute of Occupational Health and Environmental Health, School of Public Health, Lanzhou University, Lanzhou 730000, China
    These authors contributed equally to this work.)

  • Jianming Xu

    (Shanghai Typhoon Institute, China Meteorological Administration (CMA), Shanghai 200030, China
    Shanghai Key Laboratory of Meteorology and Health, Shanghai Meteorological Bureau, Shanghai 200030, China)

  • Li Peng

    (Shanghai Typhoon Institute, China Meteorological Administration (CMA), Shanghai 200030, China
    Shanghai Key Laboratory of Meteorology and Health, Shanghai Meteorological Bureau, Shanghai 200030, China)

  • Xiaofang Ye

    (Shanghai Typhoon Institute, China Meteorological Administration (CMA), Shanghai 200030, China
    Shanghai Key Laboratory of Meteorology and Health, Shanghai Meteorological Bureau, Shanghai 200030, China)

  • Dandan Yang

    (Shanghai Typhoon Institute, China Meteorological Administration (CMA), Shanghai 200030, China
    Shanghai Key Laboratory of Meteorology and Health, Shanghai Meteorological Bureau, Shanghai 200030, China)

  • Sixu Yang

    (Shanghai Typhoon Institute, China Meteorological Administration (CMA), Shanghai 200030, China
    Shanghai Key Laboratory of Meteorology and Health, Shanghai Meteorological Bureau, Shanghai 200030, China)

  • Yong Yin

    (Department of Respiratory, School of Medicine, Shanghai Children’s Medical Center, Shanghai Jiao Tong University, Shanghai 200240, China)

  • Renhe Zhang

    (Department of Atmospheric and Oceanic Sciences & Institute of Atmospheric Sciences, Fudan University, Shanghai 200437, China)

Abstract

Fine particulate matter (PM 2.5 ) has been reported to be an important risk factor for asthma. This study was designed to evaluate the relationship between PM 2.5 and lung function among children with asthma in Shanghai, China. From 2016 to 2019, a total of 70 Chinese children aged 4 to 14 in Shanghai were recruited for this panel study. The questionnaire was used to collect baseline information, and the lung function covering forced vital capacity (FVC), forced expiratory volume in 1 s (FEV1) and peak expiratory flow (PEF) were carried out for each child more than twice during follow-up. Meanwhile, the simultaneous daily air atmospheric pollutants and meteorological data were collected. The linear mixed effect (LME) model was used to assess the relationship between air pollutants and lung function. A significantly negative association was found between PM 2.5 and lung function in children with asthma. In the single-pollutant model, the largest effects of PM 2.5 on lung function were found for lag 0–2, with FVC and FEV1 decreasing by 0.91% [95% confidence interval (CI): −1.75, −0.07] and 1.05% (95% CI: −2.09, 0.00), respectively, for each 10 μg/m 3 increase in PM 2.5 . In the multi-pollution model (adjusted PM 2.5 + SO 2 + O 3 ), the maximum effects of PM 2.5 on FVC and FEV1 also appeared for lag 0–2, with FVC and FEV1 decreasing by 1.57% (95% CI: −2.69, −0.44) and 1.67% (95% CI: −3.05, −0.26), respectively, for each 10 μg/m 3 increase in PM 2.5 . In the subgroup analysis, boys, preschoolers (<6 years old) and hot seasons (May to September) were more sensitive to changes. Our findings may contribute to a better understanding of the short-term exposure effects of PM 2.5 on lung function in children with asthma.

Suggested Citation

  • Ji Zhou & Ruoyi Lei & Jianming Xu & Li Peng & Xiaofang Ye & Dandan Yang & Sixu Yang & Yong Yin & Renhe Zhang, 2022. "The Effects of Short-Term PM 2.5 Exposure on Pulmonary Function among Children with Asthma—A Panel Study in Shanghai, China," IJERPH, MDPI, vol. 19(18), pages 1-14, September.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:18:p:11385-:d:911480
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    References listed on IDEAS

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    1. Daniel Dunea & Stefania Iordache & Alin Pohoata, 2016. "Fine Particulate Matter in Urban Environments: A Trigger of Respiratory Symptoms in Sensitive Children," IJERPH, MDPI, vol. 13(12), pages 1-18, December.
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