Retrospective analysis of the natural history of atopic dermatitis occurring in the first year of life in Korean children

Younghee Chung, Jung Hyun Kwon, Jihyun Kim, Youngshin Han, Sang-Il Lee, Kangmo Ahn, Younghee Chung, Jung Hyun Kwon, Jihyun Kim, Youngshin Han, Sang-Il Lee, Kangmo Ahn

Abstract

The aim of this study was to analyze the natural history of atopic dermatitis (AD) and the risk factors associated with the remission of AD in Korean children. We enrolled 597 children with AD that occurred in the first year of life. A variety of factors influencing the prognosis were assessed by medical records and telephone interviews. Their outcome was classified into complete remission, intermittent, and persistent AD. AD had completely disappeared in 422 cases (70.6%), while 149 (25%) and 26 cases (4.4%) showed intermittent and persistent skin symptoms, respectively. The average healing time was 29.6 months in complete remission group and expected healing time of the AD was 60 months. None of risk factors were significant by multivariate analysis. But, in moderate-to-severe AD group, maternal diet restriction during lactation (P = 0.046) and no sensitization to cow's milk (P = 0.017) were significantly associated with remission of AD in the multivariate analysis. In conclusion, AD occurring in the first year of life disappears in a significant proportion of patients. In addition, in Korean children with moderate-to-severe AD, maternal diet restriction of allergenic food during lactation and sensitization to cow's milk seem to predict the prognosis of AD.

Keywords: Dermatitis, Atopic; Natural History; Risk Factors.

Figures

Fig. 1
Fig. 1
Patient enrollment.
Fig. 2
Fig. 2
Natural history of atopic dermatitis in 597 children with age of onset within 1 yr after birth.
Fig. 3
Fig. 3
Kaplan-Meier survival analysis of persistence of atopic dermatitis with age of onset within 1 yr.

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