Pollen exposures in pregnancy and early life are associated with childhood asthma incidence

IF 3.9 2区医学 Q2 ALLERGY

World Allergy Organization Journal Pub Date : 2024-10-01 DOI:10.1016/j.waojou.2024.100976

Rajesh Melaram , James Adefisoye , Donald E. Warden , Stephen Potter , Hasan Arshad , Hongmei Zhang

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引用次数: 0

Abstract

Background

Pollen exposure is an environmental risk factor for asthma symptoms and allergic reactions in children. The extent to which pollen exposure in pregnancy and the first year of life influences the development of childhood asthma and rhinitis is not fully understood.

Objective

We aimed to investigate early life exposures to pollen with childhood asthma and rhinitis at age 6 in a longitudinal birth cohort of the United Kingdom.

Methods

In this retrospective cohort study, via logistic regressions, we analyzed the associations between pollen exposures in pregnancy and the first year of life with childhood asthma and rhinitis.

Results

Higher pollen exposure accumulated during pregnancy and during the first year of life both associated with an increased odds of asthma at age 6 (OR = 1.14, 95% CI 1.03–1.26, p = 0.01; OR = 1.15, 95% CI 1.03–1.29, p = 0.02, respectively). We did not observe statistically significant associations between early life pollen exposures and the odds of rhinitis at the same age.

Conclusion

High pollen exposure during early life (prenatal and postnatal) associated with an increased risk of asthma incidence at age 6. Further studies are desired to validate these findings and to elucidate the mechanisms of early life exposures to pollen on asthma etiology.

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孕期和生命早期接触花粉与儿童哮喘发病率有关

背景花粉暴露是导致儿童出现哮喘症状和过敏反应的一个环境风险因素。我们的目的是在英国的一个纵向出生队列中调查早期花粉暴露与 6 岁儿童哮喘和鼻炎的关系。方法在这项回顾性队列研究中，我们通过逻辑回归分析了孕期和出生后第一年的花粉暴露与儿童哮喘和鼻炎之间的关系。结果孕期和出生后第一年的花粉暴露累积越高，6 岁时患哮喘的几率越大（OR = 1.14，95% CI 1.03-1.26，p = 0.01；OR = 1.15，95% CI 1.03-1.29，p = 0.02）。我们没有观察到早期花粉暴露与同龄人患鼻炎几率之间存在统计学意义上的显著关联。需要进一步的研究来验证这些发现，并阐明生命早期接触花粉对哮喘病因的影响机制。

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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来源期刊

World Allergy Organization Journal Immunology and Microbiology-Immunology

CiteScore

9.10

自引率

5.90%

发文量

审稿时长

9 weeks

期刊介绍： The official pubication of the World Allergy Organization, the World Allergy Organization Journal (WAOjournal) publishes original mechanistic, translational, and clinical research on the topics of allergy, asthma, anaphylaxis, and clincial immunology, as well as reviews, guidelines, and position papers that contribute to the improvement of patient care. WAOjournal publishes research on the growth of allergy prevalence within the scope of single countries, country comparisons, and practical global issues and regulations, or threats to the allergy specialty. The Journal invites the submissions of all authors interested in publishing on current global problems in allergy, asthma, anaphylaxis, and immunology. Of particular interest are the immunological consequences of climate change and the subsequent systematic transformations in food habits and their consequences for the allergy/immunology discipline.