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[Round Table: Immunological urticaria mediated by IgE].

J L Eseverri1, M Cozzo, M f Castillo

  • 1Unitat d'Al lergologia i Immunologia Clínica Pediàtrica, Hospital Universitari Materno-Infantil "Vall d'Hebron", Barcelona, España.

Allergologia Et Immunopathologia
|June 3, 1999
PubMed
Summary
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Urticaria and angioedema are common allergic reactions. Food allergies, particularly to eggs, nuts, and milk, are the leading cause in children, followed by chemical products like penicillin and latex.

Area of Science:

  • Dermatology
  • Allergology
  • Immunology

Context:

  • Urticaria, characterized by hives and itching, results from edema and vasodilation.
  • Angioedema involves swelling in deeper tissues, often without itching.
  • Acute urticaria affects 10-20% of the population, presenting as a wheal-and-flare reaction.

Purpose:

  • To investigate the etiological factors of urticaria and/or angioedema through immunoallergological studies.
  • To analyze the frequency and types of allergens triggering these conditions in patients.

Summary:

  • Immunoallergological studies were conducted in 133 out of 648 initial patient visits (20.52%).
  • Food allergens were suspected in 62 cases, chemical products in 39, and other factors in 7.
  • In children diagnosed with allergic urticaria-angioedema, food was the cause in 67%, followed by chemical products (12%), latex (10%), and other factors.

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Impact:

  • Identifies common allergens like eggs, nuts, milk, penicillin, and latex in pediatric urticaria-angioedema.
  • Provides data on the prevalence of suspected etiologies in a clinical setting.
  • Highlights the importance of diagnostic testing for accurate allergen identification.