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The Association Between Mercury Exposure and Atopic Dermatitis in Early Childhood A Mothers and Children's Environmental Health Study
- The Association Between Mercury Exposure and Atopic Dermatitis in Early Childhood A Mothers and Children's Environmental Health Study
- Shin, Jiyoung; Kim, Byung-Mi; Ha, Mina; Park, Hye-sook; Hong, Yun-Chul; Kim, Yangho; Kwon, Jung Hyun; Ha, Eun-Hee
- Ewha Authors
- 하은희; 박혜숙
- SCOPUS Author ID
- 하은희; 박혜숙
- Issue Date
- Journal Title
- EPIDEMIOLOGY vol. 30, pp. S3 - S8
- Atopic dermatitis; Birth cohort; Blood mercury; Childhood; Heavy metal
- LIPPINCOTT WILLIAMS &
- SCIE; SSCI; SCOPUS
- Document Type
- Background: Atopic dermatitis is a chronic and relapsing inflammatory skin disease. Although mercury has been suggested as a risk factor, the underlying mechanism and the relationship between mercury and atopic dermatitis remains unclear. The objective of the present study was to investigate the relationship between mercury exposure and the presence of atopic dermatitis in early childhood. Methods: This study is part of the prospective Mothers and Children's Environmental Health cohort study. A total of 1,751 pregnant women were enrolled in Mothers and Children's Environmental Health. After delivery, children were followed up. Blood samples were collected and mothers were asked about the presence of atopic dermatitis in their children via a questionnaire at 6, 12, 24, 36, and 60 months of age. Results: After excluding participants who did not meet the inclusion criteria, a total of 1,061 mother-children pairs were included in the analysis. The geometric mean of mercury concentrations in cord blood was 5.1 mu g/L. In adjusted models, cord blood mercury exposure (odds ratio [OR] - 1.1; 95% confidence interval [CI] - 1.0, 1.2 at 12-24 months) and postnatal mercury exposure (OR - 1.2; 95% CI = 1.0,1.5 at 24-36 months, OR = 1.4; 95% CI = 1.1, 1.8 at 48-60 months) were associated with the presence of atopic dermatitis in children. Conclusions: Postnatal mercury exposure at 24 months of age increases the risk of atopic dermatitis in children.
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