Risk factors for food sensitization in children with atopic dermatitis: a single-center cross-sectional study

WANG Dan; WU Xue-Ge; YAN Shi; ZHOU Tian-Tian; HUANG Ya-Jiao; LI Jie; LUO Xiao-Yan

doi:10.7499/j.issn.1008-8830.2202098

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Chinese Journal of Contemporary Pediatrics ›› 2022, Vol. 24 ›› Issue (8) : 887-893. DOI: 10.7499/j.issn.1008-8830.2202098

CLINICAL RESEARCH

Risk factors for food sensitization in children with atopic dermatitis: a single-center cross-sectional study

WANG Dan, WU Xue-Ge, YAN Shi, ZHOU Tian-Tian, HUANG Ya-Jiao, LI Jie, LUO Xiao-Yan

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Abstract

Objective To study the risk factors for food sensitization and the influence of food sensitization on quality of life and clinical signs in children with atopic dermatitis (AD). Methods A retrospective analysis was performed on the medical data of 241 children with AD, including demographic features, age of onset, severity of AD, quality of life, physical examination results, skin prick test (SPT) results, serum total IgE levels, and eosinophil count. According to the results of SPT, the children were divided into a food sensitization group (n=127) and a non-food sensitization group (n=114). The multivariate logistic regression analysis was used to identify the risk factors for food sensitization in children with AD. Results The prevalence rate of food sensitization was 52.7% (127/241) in the children with AD. The multivariate logistic regression analysis showed that birth in autumn or winter, age of onset of AD<12 months, severe AD, and total IgE>150 IU/mL were risk factors for food sensitization (P<0.05). Compared with the non-food sensitization group, the food sensitization group had a significantly poorer quality of life (P=0.008) and significantly higher prevalence rates of non-specific hand/foot dermatitis and palmar hyperlinearity (P<0.05). Compared with the single food sensitization group, the multiple food sensitization group had more severe AD and a significantly higher proportion of children with exclusive breastfeeding or total IgE>150 IU/mL (P<0.05). Conclusions The AD children born in autumn or winter, or those with early onset (<12 months), severe AD or total IgE>150 IU/mL have a higher risk of food sensitization. The AD children with food sensitization have a poorer quality of life and are more likely to develop non-specific hand/foot dermatitis and palmar hyperlinearity.

Key words

Atopic dermatitis / Food sensitization / Risk factor / Quality of life / Clinical sign / Child

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WANG Dan, WU Xue-Ge, YAN Shi, ZHOU Tian-Tian, HUANG Ya-Jiao, LI Jie, LUO Xiao-Yan. Risk factors for food sensitization in children with atopic dermatitis: a single-center cross-sectional study[J]. Chinese Journal of Contemporary Pediatrics. 2022, 24(8): 887-893 https://doi.org/10.7499/j.issn.1008-8830.2202098

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