• Eun Kyo Ha, Ju Hee Kim, Dawon Park, Eun Lee, Seung Won Lee, Hye Mi Jee, Youn Ho Shin, and Man Yong Han.
• Department of Pediatrics, Hallym University Kangnam Sacred Heart Hospital, Seoul, Korea.
• J. Korean Med. Sci. 2022 Feb 28; 37 (8): e63.

BackgroundThe urinary levels of volatile organic compound (VOC) metabolites provide individual exposure levels compared to data obtained by measuring these compounds in ambient air. We aimed to investigate the association between personal urinary concentrations of VOC metabolites and symptoms of atopic dermatitis in schoolchildren.MethodsNine urinary VOC metabolites were analyzed from urine samples of 149 children. Diagnosis of atopic dermatitis was determined using standardized questionnaires. Pediatricians visited the schools and rated the severity of symptoms using the SCORing Atopic Dermatitis (SCORAD) in all children.ResultsForty-five children (30.2%) had atopic dermatitis based on the International Study of Asthma and Allergies in Childhood (ISAAC) results and 35 children (23.8%) had symptoms of atopic dermatitis with positive SCORAD index values (defined as SCORAD ≥ 5). Children with benzylmercapturic acid detected in personal urines were associated with presence of atopic dermatitis and positive SCORAD index values. Children in the highest quartile of mandelic acid concentration were associated with presence of atopic dermatitis and positive SCORAD results.ConclusionPersonal exposure to VOCs, as indicated by urinary levels of VOC metabolites, was associated with presence of atopic dermatitis and the SCORAD index value.© 2022 The Korean Academy of Medical Sciences.

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