Outdoor air pollution exposure and the risk of asthma and wheezing in the offspring

被引:8
作者
Hua, Lei [1 ]
Ju, Liangliang [1 ]
Xu, Hanbing [1 ]
Li, Changlian [1 ]
Sun, Shu [1 ]
Zhang, Qi [1 ]
Cao, Jiyu [1 ,2 ]
Ding, Rui [1 ]
机构
[1] Anhui Med Univ, Sch Publ Hlth, Dept Occupat Hlth & Environm Hlth, 81 Meishan Rd, Hefei 230032, Anhui, Peoples R China
[2] Anhui Med Univ, Dept Teaching Ctr Prevent Med, Sch Publ Hlth, 81 Meishan Rd, Hefei 230032, Anhui, Peoples R China
基金
中国国家自然科学基金;
关键词
Air pollution; Offspring asthma and wheezing; Cohort study; Meta-analysis; EARLY-LIFE EXPOSURE; CHILDHOOD ASTHMA; LUNG DEVELOPMENT; CHILDREN; PREGNANCY; AGE; BIRTH; ASSOCIATION; PREVALENCE; RHINITIS;
D O I
10.1007/s11356-022-23094-6
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
According to the "fetal origin of disease" hypothesis, air pollution exposure in pregnancy may play an important role in stimulating the early programming of asthma and allergies. However, previous studies reported inconsistent findings. The aim of this meta-analysis was to provide higher grade evidence and quantitatively analyze the link between prenatal exposure to outdoor air pollutants and childhood asthma and wheezing. Databases (Web of Science and PubMed) were extensively searched for articles published from the start of the database to September 15, 2021. Either random-effect model or fixed-effect model was used to estimate the disease-specific relative risks (RR) with the corresponding 95% confidence intervals (CIs) to estimate the association. Newcastle-Ottawa Quality Score (NOS) was used to assess the quality of studies. This study finally included 13 cohort studies, and the findings showed that NO2 and SO2 exposure during entire pregnancy was significantly associated with wheezing (RR = 1.032, 95% CI: 1.000, 1.066) and asthma (RR = 1.114, 95% CI: 1.066, 1.164), respectively. Further analyses showed that PM2.5 were positively associated with asthma in the second (RR = 1.194, 95% CI: 1.143, 1.247) and third trimester (RR = 1.050, 95% CI: 1.007, 1.094), while NO2 (RR = 1.060, 95% CI: 1.021, 1.101) and SO2 (RR = 1.067, 95% CI: 1.013, 1.123) were shown positively associated with asthma only in the second trimester. The relationship between wheezing and outdoor air pollutants was not significant in any of the pregnancy subgroups. This study suggests that prenatal exposure of outdoor air pollution may increase the asthma and wheezing risk in the offspring and that the second trimester may be a sensitive period for air pollution exposure. But the interpretation of the causal association is hampered by limited number of studies on dose response.
引用
收藏
页码:14165 / 14189
页数:25
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