Differences between multi-triggered and single-triggered food anaphylaxis in children: a real life study

Şule Büyük Yaytokgil1,2, İlknur Külhaş Çelik1,3, Zeynep Şengül Emeksiz1

  • 1Department of Pediatric Allergy/Immunology, Ankara Bilkent City Hospital, University of Health Sciences, Ankara, Türkiye.

Insights

Multi-triggered food-induced anaphylaxis (FIA) affects a quarter of children with FIA and is linked to atopy and higher IgE levels. Elevated IgE over 100 IU/mL predicts multiple food triggers in pediatric FIA.

Area of Science:

  • Pediatric Allergy and Immunology
  • Clinical Immunology
  • Food Allergy Research

Background:

  • Food-induced anaphylaxis (FIA) is a severe allergic reaction.
  • Limited data exists on multi-triggered FIA in children.
  • This study investigates differences between single and multi-triggered FIA.

Purpose of the Study:

  • To compare multi-triggered and single-triggered food anaphylaxis in pediatric patients.
  • To identify risk factors associated with multi-triggered FIA.

Main Methods:

  • Retrospective analysis of pediatric patients diagnosed with FIA.
  • Comparison of clinical characteristics between single-triggered and multi-triggered FIA groups.
  • Statistical analysis to identify predictive factors for multi-triggered FIA.

Main Results:

  • Approximately 25% of pediatric FIA cases were multi-triggered.
  • Multi-triggered FIA was associated with higher rates of atopic disease, asthma, and eosinophilia.
  • Elevated total IgE levels (>100 IU/mL) were a significant predictor of multi-triggered FIA (OR 2.46).

Conclusions:

  • Multi-triggered FIA is common in children and linked to allergic comorbidities.
  • Total IgE levels exceeding 100 IU/mL serve as a warning sign for multiple food triggers.
  • Clinicians should consider high IgE levels when screening and managing pediatric FIA patients.
Abstract

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