Wheat-dependent exercise-induced anaphylaxis: subtypes, diagnosis, and management.

Area of Science:

• Immunology
• Allergology
• Gastroenterology

Background:

• Wheat-dependent exercise-induced anaphylaxis (WDEIA) is an IgE-mediated food allergy.
• Symptoms range from urticaria to anaphylaxis, exacerbated by cofactors like exercise, NSAIDs, or alcohol.
• Diagnosis is often linked to ω5-gliadin sensitization, but subtypes exist.

Purpose of the Study:

• To provide an overview of current knowledge on WDEIA diagnosis and management.
• To highlight diagnostic methods including IgE profiling and challenge tests.
• To discuss dietary management, emergency treatment, and potential therapies like immunotherapy.

Main Methods:

• Review of current literature on WDEIA.
• Analysis of diagnostic approaches: patient history, serum IgE, skin testing, basophil activation, and challenge tests.
• Evaluation of management strategies including dietary counseling and emergency preparedness.

Main Results:

• WDEIA diagnosis relies on patient history, IgE profiles, and cofactor challenge tests.
• Management centers on dietary counseling, avoiding wheat with cofactors, and carrying emergency medication.
• A wheat-free diet may hinder tolerance; continued gluten intake without cofactors might be beneficial.

Conclusions:

• Accurate diagnosis of WDEIA requires a comprehensive approach including specific IgE testing and cofactor challenges.
• Effective management involves personalized dietary advice, patient education on cofactor avoidance, and immediate access to emergency treatments.
• Further research into sublingual immunotherapy holds promise for WDEIA treatment.