Bacterial skin infection and atopic dermatitis according to scoring atopic dermatitis index

Carolus Trianda Samosir., Rita Evalina and Tina Christina L Tobing

Introduction. Children with atopic dermatitis (AD) are more susceptible to skininfections, and vice versa. Skin infection can trigger and aggravate atopic dermatitis. This study was intended to determine the association between skin infection in atopic dermatitis with SCORing Atopic Dermatitis (SCORAD) index and to identify microorganisms which often infect skin in atopic dermatitis.
Methods. This study was a cross-sectional study of 80 children with atopic dermatitis who visited Helvetia and Padang Bulan Community Health Center, Medan from April to September 2016 for medical treatment. Index of SCORAD was used to evaluate the severity of AD, and skin lesion was smeared with cotton swabs to take sterile culture. Data were analysed using Chi square and Mann Whitney test with 95% CI. P value <0.05 was considered statistically significant.
Results. Total subjects in this study were 80 children, consisting of 47 girls and 33 boys. There were 50 subjects with atopic dermatitis suffered skin infection. The most common microorganism isolated from skin infection (mild, moderate, or severe) in atopic dermatitis was Staphylococcus aureus. The result showed there was a significant association between the classification SCORAD and bacterial infection in atopic dermatitis (p = 0.011) with OR (95% CI) = 2.06 (1.17-3.63).
Conclusion. There is a relationship between bacterial infection in atopic dermatitis with SCORAD index, where atopic dermatitis with bacterial infection had higher SCORAD index. In this study, Staphylococcus aureus is the most common cause of skin infections in atopic dermatitis.

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