Assessment of the association between PM2.5 concentration and hospital admissions for pediatric asthma in Ho Chi Minh City, Viet Nam

Hygiene and environmental health advances Pub Date : 2024-07-02 DOI:10.1016/j.heha.2024.100097

Tinh Huu Ho , Chinh Van Dang , Thao Thi Bich Pham , Hien Thi Thu Ngo , Supat Wangwongwatana

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Abstract

Despite the growing concern over the impact of ambient fine particulate matter (PM_2.5) on respiratory health, studies on the association between PM_2.5 and childhood asthma in Vietnam have remained relatively sparse.

The study aimed to evaluate the short-term effects of PM_2.5 on asthma hospital admissions in Ho Chi Minh City (HCMC), the most populous city in Vietnam. The PM_2.5 database from 2016 to 2019 was collected at two fixed monitoring stations. The health database was collected from all three children's hospitals. A time-series regression analysis was conducted to examine the associations between the daily PM_2.5 concentration and hospitalizations for asthma.

A total of 11,223 records of children under five years old hospitalized for asthma were collected, of which 64 % were male and 70 % were aged 2 to under five years old. The daily mean PM_2.5 concentration over the study period was 28.2 μg/m³. Each 10 μg/m³ increase in PM_2.5 at lag₂, lag_3, and lag₀₄, we found that the excess risk of total asthma hospital admission was 2.71 %, 2.63 %, and 3.9 %, respectively. According to the subgroup analysis, female gender and children aged from two to under five years had more significant effects.

PM_2.5 poses a risk to children's health; therefore, the local authority should prioritize improving the air quality.

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评估越南胡志明市 PM2.5 浓度与小儿哮喘入院率之间的关系

尽管人们越来越关注环境细颗粒物（PM2.5）对呼吸系统健康的影响，但有关越南PM2.5与儿童哮喘之间关系的研究仍然相对稀少。该研究旨在评估PM2.5对越南人口最多的城市胡志明市（HCMC）哮喘住院率的短期影响。2016年至2019年的PM2.5数据库由两个固定监测站收集。健康数据库收集自所有三家儿童医院。共收集了11223份五岁以下儿童因哮喘住院的记录，其中64%为男性，70%为2至5岁以下儿童。研究期间 PM2.5 的日平均浓度为 28.2 μg/m3。我们发现，在滞后2、滞后3和滞后04期，PM2.5每增加10微克/立方米，哮喘入院的超额风险分别为2.71%、2.63%和3.9%。PM2.5对儿童健康构成风险，因此，地方当局应优先改善空气质量。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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