期刊
EUROPEAN JOURNAL OF PEDIATRICS
卷 180, 期 7, 页码 2007-2017出版社
SPRINGER
DOI: 10.1007/s00431-021-03975-7
关键词
Assisted reproduction techniques; Asthma; In vitro fertilization; Wheezing; Meta-analysis; Systematic review
类别
The meta-analysis study suggests a higher risk of asthma among children born after assisted reproduction techniques, particularly in terms of medication use. Further research is needed to uncover the causal relationship behind this association between ART and asthma.
Genetic and environmental factors during early development may influence lung growth and impact lung function. We performed a meta-analysis of epidemiological studies examining the association between conception history of assisted reproduction techniques (ART) and childhood asthma. We searched PubMed and Embase up to November 2020 for relevant observational studies and synthesized data data under a fixed or random effects model as appropriate. Heterogeneity was assessed using the I-2 metric. We identified 13 individual studies including 3,226,386 participants. We did not observe a statistically significant association between ART and physician-diagnosed asthma (n = 9, random OR 1.16; 95% CI 0.94-1.43; I-2 61%). We observed a statistically significant association between ART and prescription of asthma medications (n = 6, fixed OR 1.27; 95% CI 1.23-1.32; I-2 0%). Wheezing was also associated with ART (n = 4, fixed OR 1.71; 95% CI 1.08-2.72; I-2 0%). When we combined studies using any asthma definition, a statistically significant association was observed (random OR 1.19; 95% CI 1.05-1.34; I-2 80%). Conclusion: The available observational evidence suggests that the risk of asthma is higher among children born after ART. The mechanism and potential sources of bias behind this association are under scrutiny, and further work is needed to establish causality. What is Known: Positive epidemiological signals for the association between assisted reproduction techniques and asthma stemming from large studies were not replicated by subsequent research. Any available research synthesis effort so far bears no quantitative aspect. What is New: The available observational evidence suggests that the risk of asthma is higher among children born after ART. The mechanism and potential sources of bias behind this association are under scrutiny.
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