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Changes in skin test reactivity among adults with atopic disease: a 3-year prospective study

Nina Aslund, Simon Francis Thomsen, Ellen Mølgaard, Hendrik Nolte, Vibeke Backer

6 Citations (Scopus)

Abstract

BACKGROUND: Our knowledge about longitudinal predictors of atopy is limited.

OBJECTIVES: To describe changes in skin test reactivity during a 3-year period in a sample of adolescents and adults with atopic disease and to identify factors of importance for these changes.

METHODS: From a sample of 1,186 candidates, ranging in age from 14 to 44 years, who in a screening questionnaire reported symptoms suggestive of respiratory allergic disease, 344 individuals with a positive skin prick test (SPT) result concomitantly with asthma and/or rhinitis were clinically studied on 2 occasions, 3 years apart.

RESULTS: In total, 134 (39% of the study population) had a different SPT result at follow-up compared with baseline, based on a diagnostic criterion of 3 mm for a positive test result; 77 (22%) developed de novo sensitizations to 1 or more allergens, 45 (13%) had remission of 1 or more sensitizations, and 12 (4%) both gained and lost sensitizations. Female sex (odds ratio = 1.90 [1.02-3.57], P = .04) significantly predicted incidence of 1 or more sensitizations.

CONCLUSIONS: Four of 10 adults with atopic disease will have changes in SPT status during a 3-year period, and most will gain new sensitizations. Women with atopic disease are at increased risk of developing new sensitizations compared with men.

Original languageEnglish
JournalAnnals of Allergy, Asthma, & Immunology
Volume101
Issue number5
Pages (from-to)524-8
Number of pages5
ISSN1081-1206
DOIs
Publication statusPublished - Nov 2008
Externally publishedYes

Keywords

  • Adolescent
  • Adult
  • Asthma/diagnosis
  • Female
  • Forced Expiratory Volume
  • Humans
  • Logistic Models
  • Male
  • Prospective Studies
  • Rhinitis, Allergic, Perennial/diagnosis
  • Skin Tests/methods
  • Urban Population
  • Young Adult

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