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Early-Onset Atopic Dermatitis in Children: Which Are the Phenotypes at Risk of Asthma? Results from the ORCA Cohort

Author

Listed:
  • Flore Amat
  • Philippe Saint-Pierre
  • Emmanuelle Bourrat
  • Ariane Nemni
  • Rémy Couderc
  • Emmanuelle Boutmy-Deslandes
  • Fatiha Sahraoui
  • Isabelle Pansé
  • Martine Bagot
  • Sébastien Foueré
  • Jocelyne Just

Abstract

Background: Atopic dermatitis (AD) is known to predate asthma and other atopic disorders described under the term “atopic march”. However, this classic sequence is not always present and only a few studies have addressed children at risk of developing asthma. The objective of this study is to define early-onset AD phenotypes leading to asthma. Methods: We performed a cluster analysis with 9 variables of 214 infants with early-onset AD prospectively enrolled in the ORCA cohort and followed each year on the occurrence of asthma until the age of 6. Results: We identified 3 clusters - cluster 1 (n = 94) with low to no sensitization to food (27.7%) or aeroallergens (10.6%) and moderate AD severity (SCORAD 25.29 +/- 14.6) called “AD with low sensitization”; - cluster 2 (n = 84) characterized by a higher AD severity (SCORAD 32.66+/-16.6) and frequent sensitization to food (98.9%) or aeroallergens (26.2%), most likely multiple (96.4% for food allergens), called “AD with multiple sensitizations” - cluster 3 (n = 36) with parental history, moderate AD severity (SCORAD 24.46+/-15.7), moderate rate of sensitization to food allergens (38.9%) (exclusively single) with no sensitization to aeroallergens, called “AD with familial history of asthma”. Percentages of children suffering from asthma at the age of 6 were higher in clusters 2 and 3 (36.1% and 33.3% respectively versus 14.9% in cluster 1, p

Suggested Citation

  • Flore Amat & Philippe Saint-Pierre & Emmanuelle Bourrat & Ariane Nemni & Rémy Couderc & Emmanuelle Boutmy-Deslandes & Fatiha Sahraoui & Isabelle Pansé & Martine Bagot & Sébastien Foueré & Jocelyne Jus, 2015. "Early-Onset Atopic Dermatitis in Children: Which Are the Phenotypes at Risk of Asthma? Results from the ORCA Cohort," PLOS ONE, Public Library of Science, vol. 10(6), pages 1-14, June.
    • Handle: RePEc:plo:pone00:0131369
    DOI: 10.1371/journal.pone.0131369
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