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- Title
Predictive features for persistence of atopic dermatitis in children.
- Authors
Pajno, Giovanni B.; Peroni, Diego G.; Barberio, Giovanni; Pietrobelli, Angelo; Boner, Attilio L.
- Abstract
Allergen exposure plays an important role in atopic dermatitis (AD). Because immunological mechanisms underlying asthma and AD have great similarities, we evaluated whether features such as allergen sensitization, immune response, disease severity and duration or allergen exposure could be considered predictive for AD persistence. Seventy-one AD children (age range 14–158 months) were enrolled and followed for 3 consecutive years for AD severity using the SCORAD index (SI). At enrollment, reactivity to inhalant and food allergens using the skin prick test (SPT) and house dust mite (HDM) atopy patch test (APT), and HDM allergens in house dust were evaluated. After 3 years, 38 children outgrew their AD (AD– group), while in 33 AD persisted (AD+ group). At enrollment, AD+ children had a higher SI, higher rate of positivity to SPT and APT for mites (p = 0.001), and higher environmental exposure to HDM allergens (p = 0.035). The AD+ children developed more respiratory symptoms in comparison to AD– children (p < 0.001). None of the AD– children presented APT positivity. In our study population, positivity of SPT and APT for HDM, environmental allergen exposure levels and severity of the disease at enrollment presented a significant predictive power towards AD persistence. Subjects with positive skin reactivity to HDM should be considered at risk of AD persistence and of possible development of allergic respiratory disorders.
- Subjects
ALLERGENS; ATOPIC dermatitis; ASTHMA; IMMUNE response
- Publication
Pediatric Allergy & Immunology, 2003, Vol 14, Issue 4, p292
- ISSN
0905-6157
- Publication type
Article
- DOI
10.1034/j.1399-3038.2003.00060.x