소아에서 IgE 매개성과 비 IgE 매개성 아토피피부염의 특징
Characteristics between IgE mediated and non-IgE mediated atopic dermatitis in children
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Purpose: Atopic dermatitis (AD) is a chronic inflammatory skin disorder with a association of genetic, environmental, and immunologic factors in the development of AD. And AD can be classified into IgE mediated and non-IgE mediated. We investigated a difference of clinical characteristics and immune response between the two groups. Methods: From January 2008 to December 2011, we enrolled 125 children who visited Dong-A University Medical Center and Busan Medical Center, and were diagnosed as AD with the Haniffin and Rajka's criteria. We checked the history of combined asthma and allergic rhinitis and allergic disease of family in patients. We measured serum total IgE, specific IgE by ImmunoCAP or skin prick test. We measured serum interleukin (IL) 4 (IL-4), interferon-γ (IFN-γ), IL-10, and IL-17, which are associated with chronic inflammatory disorder by flow cytometry method (Luminex). Results: Eighty (64%) were included in the IgE mediated group, while forty-five (36%) were included in the non-IgE mediated group. The frequency of combined allergic disorder and serum total eosinophil count were relatively higher in IgE mediated group (P=0.023, P=0.032). The incidence of a family history in allergic disease and the mean of SCORing Atopic Dermatitis index had no difference between the two groups. Serum IL-4, IFN-γ, IL-10, IL-17 were higher in the IgE mediated group, but there were no statistically significant differences between two groups (P>0.05). Conclusion: IgE mediated AD showed higher total eosinophil count and higher incidence of bronchial asthma and allergic rhinitis than non IgE mediated AD.
Abstract
Purpose: Atopic dermatitis (AD) is a chronic inflammatory skin disorder with a association of genetic, environmental, and immunologic factors in the development of AD. And AD can be classified into IgE mediated and non-IgE mediated. We investigated a difference of clinical characteristics and immune response between the two groups. Methods: From January 2008 to December 2011, we enrolled 125 children who visited Dong-A University Medical Center and Busan Medical Center, and were diagnosed as AD with the Haniffin and Rajka's criteria. We checked the history of combined asthma and allergic rhinitis and allergic disease of family in patients. We measured serum total IgE, specific IgE by ImmunoCAP or skin prick test. We measured serum interleukin (IL) 4 (IL-4), interferon-γ (IFN-γ), IL-10, and IL-17, which are associated with chronic inflammatory disorder by flow cytometry method (Luminex). Results: Eighty (64%) were included in the IgE mediated group, while forty-five (36%) were included in the non-IgE mediated group. The frequency of combined allergic disorder and serum total eosinophil count were relatively higher in IgE mediated group (P=0.023, P=0.032). The incidence of a family history in allergic disease and the mean of SCORing Atopic Dermatitis index had no difference between the two groups. Serum IL-4, IFN-γ, IL-10, IL-17 were higher in the IgE mediated group, but there were no statistically significant differences between two groups (P>0.05). Conclusion: IgE mediated AD showed higher total eosinophil count and higher incidence of bronchial asthma and allergic rhinitis than non IgE mediated AD.
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