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Blood eosinophil related to maternal allergic rhinitis is associated with the incidence of allergic rhinitis in offspring: COCOA study
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- Authors
- Issue Date
- 2023-07-06
- Publisher
- BMC
- Citation
- BMC Pediatrics,Vol.23(1):343
- Keywords
- Eosinophil ; Der f-IgE ; Allergic Rhinitis ; Mothers and children
- Abstract
- Objective
The identification of allergic rhinitis (AR) in early life is important for the target of intervention. AR is caused by various environmental factors, including house dust mites. We investigated the relationship between the Dermatophagoides farinae (Der f)-IgE and eosinophil in mothers with AR at delivery and the eosinophil levels and AR incidence in children.
Methods
The study participants were 983 mother–child pairs from the COhort for Childhood Origin of Asthma and Allergic Diseases. AR was diagnosed by a doctor at delivery in mother and at 3 years of age in offspring. The association between eosinophil level and AR was assessed using logistic regression analysis.
Results
The Der f-IgE level in mother having AR at delivery was associated with the mothers eosinophil level, and the mothers eosinophil level was associated with the childs eosinophil level both at age 1 and 3. The risk of AR at age 3 in children was increased according to increased eosinophil levels in mothers at delivery and in children both aged 1 and 3 years (adjusted odds ratio [aOR] and 95% confidence interval [CI]: 2.57 [1.14–5.78], 2.28 [1.02–5.13], respectively). The risk of childhood AR at the age of 3 is increased when both mothers and children have high eosiniophils (aOR and 95% CI: 2.62 [1.01–6.79], 1.37 [0.98–1.91]).
Conclusions
Der f-IgE in mothers at delivery was related to eosinophil levels in mothers with AR and higher level of eosinophils in both mother and children was associated with the increased risk of AR incidence at the first 3 years of life of children.
- ISSN
- 1471-2431
- Language
- English
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