Short-term associations of PM10 attributed to biomass burning with respiratory and cardiovascular hospital admissions in Peninsular Malaysia.

IF 6.4 2区 医学 Q1 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH
Muhammad Abdul Basit Ahmad Tajudin, Lina Madaniyazi, Xerxes Seposo, Mazrura Sahani, Aurelio Tobías, Mohd Talib Latif, Wan Rozita Wan Mahiyuddin, Mohd Faiz Ibrahim, Shingo Tamaki, Kazuhiko Moji, Masahiro Hashizume, Chris Fook Sheng Ng
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引用次数: 0

Abstract

Background: Biomass burning (BB) is a major source of air pollution and particulate matter (PM) in Southeast Asia. However, the health effects of PM smaller than 10 µm (PM10) originating from BB may differ from those of other sources. This study aimed to estimate the short-term association of PM10 from BB with respiratory and cardiovascular hospital admissions in Peninsular Malaysia, a region often exposed to BB events.

Methods: We obtained and analyzed daily data on hospital admissions, PM10 levels and BB days from five districts from 2005 to 2015. We identified BB days by evaluating the BB hotspots and backward wind trajectories. We estimated PM10 attributable to BB from the excess of the moving average of PM10 during days without BB hotspots. We fitted time-series quasi-Poisson regression models for each district and pooled them using meta-analyses. We adjusted for potential confounders and examined the lagged effects up to 3 days, and potential effect modification by age and sex.

Results: We analyzed 210 960 respiratory and 178 952 cardiovascular admissions. Almost 50% of days were identified as BB days, with a mean PM10 level of 53.1 µg/m3 during BB days and 40.1 µg/m3 during normal days. A 10 µg/m3 increment in PM10 from BB was associated with a 0.44% (95% CI: 0.06, 0.82%) increase in respiratory admissions at lag 0-1, with a stronger association in adults aged 15-64 years and females. We did not see any significant associations for cardiovascular admissions.

Conclusions: Our findings suggest that short-term exposure to PM10 from BB increased the risk of respiratory hospitalizations in Peninsular Malaysia.

马来西亚半岛生物质燃烧产生的 PM10 与呼吸系统和心血管疾病入院率的短期关联。
背景:生物质燃烧(BB)是东南亚空气污染和颗粒物(PM)的主要来源。然而,来自生物质燃烧的小于 10 µm 的可吸入颗粒物(PM10)对健康的影响可能不同于其他来源的可吸入颗粒物。本研究旨在估算BB产生的PM10与马来西亚半岛呼吸道和心血管疾病入院率的短期关联,马来西亚半岛是经常受到BB事件影响的地区:我们获取并分析了2005年至2015年五个地区的每日入院人数、PM10水平和BB天数数据。我们通过评估BB热点和逆风轨迹来确定BB日。我们从无 BB 热点日的 PM10 移动平均值的过量中估算出了可归因于 BB 的 PM10。我们为每个地区拟合了时间序列准泊松回归模型,并利用元分析对这些模型进行了汇总。我们对潜在的混杂因素进行了调整,并研究了长达 3 天的滞后效应,以及年龄和性别对潜在效应的影响:我们分析了 210 960 例呼吸系统入院病例和 178 952 例心血管入院病例。近50%的天数被确定为BB日,BB日的PM10平均水平为53.1微克/立方米,正常日为40.1微克/立方米。在滞后 0-1 期,BB 导致的 PM10 浓度每增加 10 µg/m3 就会导致呼吸系统入院人数增加 0.44%(95% CI:0.06, 0.82%),15-64 岁的成年人和女性的相关性更大。在心血管疾病入院率方面,我们没有发现任何明显的关联:我们的研究结果表明,在马来西亚半岛,短期暴露于BB产生的PM10会增加呼吸道住院的风险。
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来源期刊
International journal of epidemiology
International journal of epidemiology 医学-公共卫生、环境卫生与职业卫生
CiteScore
13.60
自引率
2.60%
发文量
226
审稿时长
3 months
期刊介绍: The International Journal of Epidemiology is a vital resource for individuals seeking to stay updated on the latest advancements and emerging trends in the field of epidemiology worldwide. The journal fosters communication among researchers, educators, and practitioners involved in the study, teaching, and application of epidemiology pertaining to both communicable and non-communicable diseases. It also includes research on health services and medical care. Furthermore, the journal presents new methodologies in epidemiology and statistics, catering to professionals working in social and preventive medicine. Published six times a year, the International Journal of Epidemiology provides a comprehensive platform for the analysis of data. Overall, this journal is an indispensable tool for staying informed and connected within the dynamic realm of epidemiology.
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