The natural history of IgE mediated wheat allergy in children with dominant gastrointestinal symptoms

Allergy, Asthma & Clinical Immunology

Grażyna Czaja-Bulsa²  Michał Bulsa¹ 

[1] Pediatrics and Pediatric Nursery Unit of the Pomeranian Medical University in Szczecin, Szczecin, Poland

[2] Division of Paediatrics, Gastroenterology and Rheumatology of the "Zdroje" Hospital in Szczecin, Szczecin, Poland

关键词: Children;    Specific immunoglobulin E;    Wheat allergy;    Food tolerance;    Food allergy;   

Others  :  791896
DOI  :  10.1186/1710-1492-10-12

 received in 2013-10-06, accepted in 2014-02-16,  发布年份 2014

【 摘 要 】

Background

Wheat is one of the most common food allergens in children. The purpose of this study is to define the natural course of wheat allergy in children with dominant gastrointestinal symptoms and identify factors that help predict development of tolerance.

Methods

The prospective analysis covered 50 children with positive food challenge results (DBPCFC) and positive wheat IgE test result. Resolution of wheat allergy was determined on the basis of food challenge results (open challenge). The impact of each of the studied factors on the age when tolerance developed was assessed by means of the Cox proportional hazard regression model.

Results

The median age of tolerance development was 69.5 months (37-192 mo.). The rates of resolution were 20% by the age of 4 years, 52% by the age of 8 years, and 66% by 12 years, and 76% by 18 years. The median age of the tolerance development in children with peak wheat IgE level below10 kU/L was 41.4 months, with peak wheat IgE from 10 to 19.9 kU/L was 44.5 months, with peak IgE from 20 to 49.9 kU/L – 84,9 months and with peak IgE ≥ 50 kU/L – 190.5 months. The median of the age when the highest levels of IgE for wheat were reached was 33 months (2-52 mo.) in children with resolved wheat allergy and 67 months (36-178 mo.) in children with persistent allergy (p = .001).

Conclusions

1. The majority of children with wheat allergy can tolerate wheat by adolescence. 2. The age when tolerance to wheat developed depended on the level and the age of reaching the highest levels of specific IgE for wheat. The higher the values of the above parameters, the older a child was when they developed tolerance to wheat.

【 授权许可】

   
2014 Czaja-Bulsa and Bulsa; licensee BioMed Central Ltd.

【 图 表 】

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