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Evaluation of the relationship between IgE level and skin superinfection in children with atopic dermatitis

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Abstract:

Increased Th2 polarity weakens the innate immune response and predisposes children with atopic dermatitis (AD) to skin superinfection. This study was designed to evaluate the relationship between IgE level and bacterial superinfection in children with AD. A medical chart review was performed on 103 children with AD to assess the association between IgE level and skin superinfection. A multivariable logistic regression model was used to assess the relationship between categorized IgE level and the presence of bacterial superinfection after adjusting for cofounding variables including allergic rhinitis, asthma, and food allergy. A Wilcoxon signed-rank test was used to compare pre- and postskin superinfection median IgE levels in a subset of patients. Compared with children with an IgE level of <300 IU/mL, children with an IgE level of >1001 IU/mL were 66.00 times more likely to have a skin superinfection (p = 0.003) and children with an IgE level between 301 and 1000 IU/mL were 12.38 times more likely to have a skin superinfection (p < 0.001). After controlling for cofounding variables including asthma, allergic rhinitis, and food allergy, children with an IgE level of >1001 IU/mL were 71.89 times more likely to have a skin superinfection (p = 0.018) and children with an IgE level between 301 and 1000 IU/mL were 8.79 times more likely to have a skin superinfection (p < 0.001) when compared with children with an IgE level of <300 IU/mL. There was a significant increase in IgE levels from baseline in 13 children treated for a skin superinfection (p = 0.001). IgE level is associated with Staphylococcus aureus superinfection in children with AD.

Keywords: Allergic rhinitis; IgE level; Staphylococcus aureus; asthma; atopic dermatitis; dust-mite allergen; food allergy; peanut allergy; skin superinfection; steroid cream

Document Type: Research Article

DOI: https://doi.org/10.2500/aap.2010.31.3335

Publication date: 2010-05-01

More about this publication?
  • Allergy and Asthma Proceedings is a peer reviewed publication dedicated to distributing timely scientific research regarding advancements in the knowledge and practice of allergy, asthma and immunology. Its primary readership consists of allergists and pulmonologists.

    The goal of the Proceedings is to publish articles with a predominantly clinical focus which directly impact quality of care for patients with allergic disease and asthma.

    Featured topics include asthma, rhinitis, sinusitis, food allergies, allergic skin diseases, diagnostic techniques, allergens, and treatment modalities. Published material includes peer-reviewed original research, clinical trials and review articles.

    Articles marked "F" offer free full text for personal noncommercial use only.

    The journal is indexed in Thomson Reuters Web of Science and Science Citation Index Expanded, plus the National Library of Medicine's PubMed service.
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