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Related Experiment Videos

Patch testing in children: a study of 562 schoolchildren.

M A Barros1, A Baptista, T M Correia

  • 1Department of Dermatology and Venereology, Hospital de S. João, Porto, Portugal.

Contact Dermatitis
|September 1, 1991
PubMed
Summary
This summary is machine-generated.

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Contact allergy is more common in children than previously believed. A study found 13.3% of schoolchildren in Oporto had positive patch test reactions to common allergens.

Area of Science:

  • Dermatology
  • Pediatric Allergy
  • Epidemiology

Background:

  • Contact allergy prevalence in pediatric populations is not well-established.
  • Previous assumptions suggested lower rates in children compared to adults.

Purpose of the Study:

  • To investigate the prevalence of contact allergy in schoolchildren.
  • To identify common allergens responsible for positive reactions in this age group.

Main Methods:

  • Patch testing was performed on 562 schoolchildren in Oporto.
  • The standard series of the Portuguese Contact Dermatitis Group (GPEDC) was utilized.

Main Results:

  • 13.3% of the children exhibited positive patch test reactions.
  • The most frequent allergens identified were neomycin, thimerosal, para-tertiary-butylphenol-formaldehyde (PTBPF) resin, and fragrance-mix.

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Conclusions:

  • Contact allergy is a significant issue in pediatric populations.
  • The findings challenge previous notions of lower allergy rates in children.