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[Atopic dermatitis in early infancy in Matuyama city: prevalence and seasonal variations]

K Kuzume1

  • 1Department of Pediatrics of NTT Nishinihon Matuyama Hospital.

Arerugi = [Allergy]
|February 24, 2001
PubMed

Insights

This study found that 28.5% of infants developed atopic dermatitis (AD) by 12 months, with symptoms often appearing early. Male infants and those with a family history of allergies were more prone to developing AD.

Area of Science:

  • Pediatrics
  • Dermatology
  • Epidemiology

Context:

  • Longitudinal study tracking infant health from birth to 12 months.
  • Data collected from 1280 infants at NTT Nishinihon Matuyama Hospital.
  • Focus on the early onset and prevalence of atopic dermatitis (AD).

Purpose:

  • To determine the 12-month cumulative prevalence of atopic dermatitis in infants.
  • To identify risk factors associated with AD development, including sex, family history, and season of birth.
  • To analyze the timing of AD symptom onset.

Summary:

  • The 12-month cumulative prevalence of atopic dermatitis (AD) was 28.5%, with 82.2% of cases appearing before 3 months of age.
  • Male infants (59.5%) and those with a family history of allergic diseases (approx. 70%) showed significantly higher AD prevalence.
  • Infants born in winter had the highest cumulative AD prevalence (33.9%), with significant variations observed across seasons.

Impact:

  • Highlights the high incidence of infant atopic dermatitis and the critical early window for intervention.
  • Identifies key demographic and familial risk factors, aiding in targeted screening and prevention strategies.
  • Suggests a potential link between season of birth and AD development, warranting further investigation into environmental influences.

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