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Association between short-term ambient air pollution and outpatient visits for acute exacerbation of chronic obstructive pulmonary disease in Lanzhou, 2013-19

机译:Association between short-term ambient air pollution and outpatient visits for acute exacerbation of chronic obstructive pulmonary disease in Lanzhou, 2013-19

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摘要

Evidence between air pollution and hospital visits for acute exacerbation of chronic obstructive pulmonary disease (AECOPD) is inconsistent and limited in China. In this study, we constructed a time-series study to evaluate the association between air pollution and AECOPD outpatient visits. Daily hospital outpatient visits for AECOPD in three top level hospitals in Lanzhou from January 2013 to December 2019, as well as the air pollutants and meteorological data in the same period, were collected. Then, generalized additive models with quasi-Poisson regression were utilized to estimate the associations with single-day lags from lag0 to lag7 and cumulative-day lag from lag01 to lag07. For example, lag0 referred to the concentration of air pollutants at the current day and lag1 referred to the previous-day air pollutant concentration and so on. Lag01 meant the average concentration of air pollutants at the current and previous day, and lag07 corresponded to the eight-day moving average value of the current and previous 7 days. In addition, stratified analyses were performed by gender, age, and season. The risk estimates were expressed in terms of the percentage changes (PC) in AECOPD outpatient visits per 10 μg/m~3 increment of air pollutants (except that CO was per 1 mg/m~3) and their respective 95 confidence intervals (CIs). The strongest effect on AECOPD morbidity was found lag07 for PM_(2.5) (PC = 1.96, 95 CI 1.07, 2.86 per 10 μg/m~3), lag03 for PM_(10) (PC = 0.25, 95 CI 0.01, 0.49 per 10 μg/m~3), lag05 for SO_2 (PC =1.67, 95 CI 0.54, 3.93 per 10 μg/m~3), and lag03 for NO_2 (PC =1.37, 95 CI 0.25, 2.51 per 10 μg/m~3). No significant association of O_3 and CO with AECOPD onset was found. In the subgroup analyses, the associations of PM_(2.5) and SO_2 were more pronounced on males than female, the patients aged < 65 years were more vulnerable to PM_(2.5) and NO_2, but 65-74 years old were more vulnerable to PM_(2.5), SO_2, and NO_2. Patients aged >75 years suffered more from PM_(2.5), PM_(10), and SO_2. The associations between PM_(2.5), PM_(10), SO_2, NO_2, and AECOPD outpatients were stronger in the cold season than those in the hot season. From exposure-response curves, we observe linear relationships of PM_(2.5), SO_2, NO_2, O_38h, and CO with hospital outpatient visits for AECOPD. The increase in PM_(2.5), PM_(10), SO_2, and NO_2 concentration will lead to an increase in the number of outpatient visits for AECOPD and have different influence patterns in different genders, ages, and seasons.

著录项

  • 来源
    《Environmental geochemistry and health》 |2023年第5期|2495-2509|共15页
  • 作者单位

    School of Public Health, Lanzhou University, Lanzhou 730000, People's Republic of China;

    Gansu Provincial Hospital, Lanzhou 730050, People's Republic of China;

    Department of Gerontal Respiratory Medicine, The First Hospital of Lanzhou University, Lanzhou 730000, People's Republic of China;

  • 收录信息 美国《科学引文索引》(SCI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 英语
  • 中图分类
  • 关键词

    Air pollution; Outpatient visits; AECOPD; Lanzhou;

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