Nocturnal Scratching and Quality of Sleep in Children with Atopic Dermatitis

Authors

  • Akiko Sugiyama Department of Allergology and Dermatology, National Hospital Organization, Fukuoka National Hospital, Fukuoka, Japan
  • Yoko Murakami Department of Pediatrics, National Hospital Organization, Fukuoka National Hospital, Fukuoka, Japan
  • Kazuaki Okamoto Maruho Co. Ltd. Osaka, Japan
  • Hiroshi Nakano Sleep Disorders Center, National Hospital Organization, Fukuoka National Hospital, Fukuoka, Japan
  • Masatoshi Wakatsuki Department of Pediatrics, National Hospital Organization, Fukuoka National Hospital, Fukuoka, Japan
  • Toshiaki Kawano Department of Pediatrics, National Hospital Organization, Fukuoka National Hospital, Fukuoka, Japan Sleep Disorders Center, National Hospital Organization, Fukuoka National Hospital, Fukuoka, Japan
  • Yuko Akamine Department of Pediatrics, National Hospital Organization, Fukuoka National Hospital, Fukuoka, Japan
  • Mihoko Iwata Department of Pediatrics, National Hospital Organization, Fukuoka National Hospital, Fukuoka, Japan Sleep Disorders Center, National Hospital Organization, Fukuoka National Hospital, Fukuoka, Japan
  • Chikako Motomura Department of Pediatrics, National Hospital Organization, Fukuoka National Hospital, Fukuoka, Japan Sleep Disorders Center, National Hospital Organization, Fukuoka National Hospital, Fukuoka, Japan
  • Kaoru Kojima Department of Clinical Research, National Hospital Organization, Fukuoka National Hospital, Fukuoka, Japan
  • Makiko Oda Department of Clinical Research, National Hospital Organization, Fukuoka National Hospital, Fukuoka, Japan
  • Satoshi Honjo Department of Pediatrics, National Hospital Organization, Fukuoka National Hospital, Fukuoka, Japan, Department of Clinical Research, National Hospital Organization, Fukuoka National Hospital, Fukuoka, Japan
  • Hiroshi Odajima Department of Pediatrics, National Hospital Organization, Fukuoka National Hospital, Fukuoka, Japan
  • Takeshi Nakahara Department of Dermatology, Kyushu University, Fukuoka, Japan
  • Masutaka Furue Department of Dermatology, Kyushu University, Fukuoka, Japan
  • Akihiko Ikoma Maruho Co. Ltd. Osaka, Japan

DOI:

https://doi.org/10.2340/actadv.v103.12345

Keywords:

atopic dermatiti, itching, Itch Tracker, pediatric patients, polysomnography, scratching

Abstract

Itching due to atopic dermatitis causes sleep disorders in children, but its pathology is unknown. The aim of this study is to investigate nocturnal scratching as an indirect index of itching during sleep and its relationship with depth of sleep in children with atopic dermatitis. Nocturnal scratching was measured in a total of 20 children with atopic dermatitis, using a smartwatch installed with the application Itch Tracker. Depth of sleep was analysed using polysomnography. The severity of atopic dermatitis was scored using Eczema Area and Severity Index (EASI) and Patient-Oriented Eczema Measure (POEM). The number and time of nocturnal scratching measured by Itch Tracker had a significantly positive correlation with EASI scores, whereas POEM scores were not correlated with EASI scores. Mean sleep efficiency was 90.0% and scratching episodes (n =67) started mainly during the awake stage or light sleep stages. In the scratching episodes that started during sleep stages (n =34), the sleep stage changed to a lighter one or to the awake stage in 35.5% of episodes. Itch Tracker is applicable to measure nocturnal scratching in children. Nocturnal scratching can deteriorate quality of sleep by changing the sleep stage to a lighter one or to the awake stage.

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Published

2023-10-23

How to Cite

Sugiyama, A. ., Murakami, Y., Okamoto, K. ., Nakano, H. ., Wakatsuki, M. ., Kawano, T. ., Akamine, Y. ., Iwata, M. ., Motomura, C. ., Kojima, K. ., Oda, M. ., Honjo, S. ., Odajima, H. ., Nakahara, T. ., Furue, M. ., & Ikoma, A. . (2023). Nocturnal Scratching and Quality of Sleep in Children with Atopic Dermatitis. Acta Dermato-Venereologica, 103, adv12345. https://doi.org/10.2340/actadv.v103.12345