Abstract
Purpose: This study evaluated the clinical characteristics and risk factors associated with atopic dermatitis patients complicated by eczema herpeticum. Methods: This study included 45 patients under the age of 18 with atopic dermatitis complicated by eczema herpeticum in the dis ease group (ADEH+), and 50 patients under the age of 18 with atopic dermatitis without any episode of eczema herpeticum in the control group (ADEH-). We retrospectively reviewed the clinical features, treatment and prognosis of the 2 groups. Results: In this study, eczema herpeticum occurred in 2.7% of the AD patients. No significant difference in percentage of boys or mean age was found between the ADEH+ and ADEH- groups. In the ADEH+ group, eczema herpeticum occurred more frequently in the head and neck. Severe atopic dermatitis, recurrent impetigo, IgE-mediated atopic dermatitis and food allergy were identified as the risk factors of eczema herpeticum. The mean white blood cell count, erythrocyte sedimentation rate, percent of eosinophils and total serum IgE were higher in the ADEH+ group than in the ADEH- group. More than 2 recurrences were confirmed in 12 pa tients (26.7%). Conclusion: In the ADEH+ group, skin lesions were dominant on the head and neck. We revealed that severe atopic dermatitis, fre quent impetigo, IgE-mediated atopic dermatitis, and food allergy are risk factors for eczema herpeticum. (Allergy Asthma Respir Dis 2018;6:174-178)
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