期刊
PEDIATRIC ALLERGY AND IMMUNOLOGY
卷 32, 期 2, 页码 223-233出版社
WILEY
DOI: 10.1111/pai.13389
关键词
basophil activation test; diagnosis; epitope; food allergy resolution; food allergy; mast cell activation test; skin prick test; specific IgE
资金
- Medical Research Council [MR/M008517/1]
- Asthma UK
- NIHR through the Biomedical Research Centre (BRC)
- MRC [MC_PC_18052, MR/M008517/1, G0902018] Funding Source: UKRI
Food allergies are on the rise among children, highlighting the importance of accurate diagnosis and monitoring. Oral food challenge is the gold standard for confirming and resolving food allergies, but it comes with risks and requires clinical expertise. Biomarkers can aid in diagnosis and deferring challenges, while also evaluating test cut-offs for predicting oral tolerance in children.
Food allergy is increasing in prevalence, affecting up to 10% of children in developed countries. Food allergy can significantly affect the quality of life and well-being of patients and their families; therefore, an accurate diagnosis is of extreme importance. Some food allergies can spontaneously resolve in 50%-60% of cow's milk and egg-allergic, 20% of peanut-allergic and 9% of tree nut-allergic children by school age. For that reason, food-allergic status should be monitored over time to determine when to reintroduce the food back into the child's diet. The gold-standard to confirm the diagnosis and the resolution of food allergy is an oral food challenge; however, this involves the risk of causing an acute-allergic reaction and requires clinical experience and resources to treat allergic reactions of any degree of severity. In the clinical setting, biomarkers have been used and validated to enable an accurate diagnosis when combined with the clinical history, deferring the oral food challenge, whenever possible. In this review, we cover the tools available to support the diagnosis of food allergies and to predict food allergy resolution over time. We review the latest evidence on different testing modalities and how effective they are in guiding clinical decision making in practice. We also evaluate predictive test cut-offs for the more common food allergens to try and provide guidance on when challenges might be most successful in determining oral tolerance in children.
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