• Ling-Jie Feng, An-Wei Chen, Xiao-Yan Luo, and Hua Wang.
• Pediatric Dermatology, Children's Hospital of Chongqing Medical University.
• Medicine (Baltimore). 2020 Jun 19; 99 (25): e20801.

AbstractAtopic dermatitis (AD), a prevalent chronic skin disease in children, has been associated with psychosocial illness and reduced quality of life because of severe itching and sleep deprivation. Previous studies have found a consistent association between AD and attention deficit hyperactivity disorder (ADHD). However, little is known about this relationship in Chinese children with AD.To investigate co-occurrence of ADHD symptoms, oppositional defiant disorder (ODD) symptoms, and the relevant risk factors of AD, as well as its impact on the quality of life in Chinese school-aged children with AD.Outpatients aged 6 to 12 years with confirmed AD and healthy controls matched for age were randomly included in this study from October 2018 to October 2019. AD severity was evaluated using the Severity Scoring of Atopic Dermatitis scale (SCORAD). Inattention, hyperactivity, and oppositional defiant symptoms were evaluated by using the Swanson, Nolan and Pelham IV Teacher and Parent 26-Item Rating Scale (SNAP-IV) questionnaires and quality of life was evaluated using the Children's Dermatology Life Quality Index (CDLQI).The study included 89 AD patients and 184 healthy controls. AD patients were more likely to have ADHD symptoms (10.1% vs. 3.8%; P = .04) and ODD symptoms (5.6% vs 0%; P < .001) than controls, especially hyperactive/impulsive (P = .03). The severity of itching and sleep loss in AD patients were positively correlated with inattention (P = .03; P < .001), hyperactivity/impulsiveness (P = .01; P = .03), and oppositional defiance scores (P < .01; P = .04). Sleep loss in AD patients was independently associated with an increased risk of ADHD symptoms (OR, 1.78; 95% CI, 1.07-2.98; P = .03). The mean CDLQI scores of AD patients were 6.98 ± 5.02, and CDLQI scores were significantly higher in AD patients with ADHD symptoms than in those without ADHD symptoms (11.44 vs. 6.48; P = .01).AD is a prevalent chronic condition associated with an increased likelihood of ADHD symptoms and ODD symptoms in school-aged children. Sleep deprivation caused by AD may be a risk factor for ADHD. AD affects quality of life, especially in patients with ADHD symptoms. AD patients with symptoms of inattention and hyperactivity should be evaluated for ADHD.

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