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Perinatal risk factors for sensitization, atopic dermatitis and wheezing during the first year of life (PIPO study)

M M Hagendorens1, C H Bridts, K Lauwers

  • 1Department of Paediatrics, University of Antwerp, Antwerp, Belgium.

Clinical and Experimental Allergy : Journal of the British Society for Allergy and Clinical Immunology
|June 23, 2005
PubMed

Insights

Paternal sensitization increases early sensitization risk in daughters, while daycare protects boys. Maternal sensitization and infant IgE are risk factors for atopic dermatitis, but cat exposure is protective.

Area of Science:

  • Allergy and Immunology
  • Pediatrics
  • Environmental Health

Background:

  • Perinatal environmental factors significantly impact infant health.
  • Early childhood allergies like atopic dermatitis and wheezing are common concerns.

Purpose of the Study:

  • To investigate the influence of perinatal environmental factors on early sensitization, atopic dermatitis, and wheezing in infants.
  • To identify risk and protective factors for these conditions during the first year of life.

Main Methods:

  • Prospective birth cohort study (PIPO-study) involving 810 infants.
  • Data collected via questionnaires on pregnancy, parental history, environment, and infant clinical course.
  • Quantification of total and specific IgE levels in infants and parents.

Main Results:

  • Early sensitization (13%) linked to paternal specific IgE in daughters and protective daycare attendance in boys.
  • Atopic dermatitis (25%) associated with maternal/infant IgE (risk) and cat exposure (protective).
  • Wheezing (25%) linked to cigarette smoke and daycare attendance (risk).

Conclusions:

  • Paternal sensitization and daycare effects on infant sensitization are gender-dependent.
  • Maternal sensitization increases atopic dermatitis risk; cat exposure offers protection.
  • Environmental factors like smoke and daycare influence wheezing development.
Abstract

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