Departmental Bulletin Paper 自閉症スペクトラム障害児の症状特性と日中活動,及び夜間睡眠の関係
Symptoms Characteristics and Daytime Activities, and Nighttime of Autism Spectrum Children of Relationship

加茂, 渉  ,  合田, 明生  ,  伊藤, 信寿  ,  永井, 幸代  ,  大城, 昌平

 [目的]自閉症スペクトラム障害(Autism Spectrum Disorders:ASD)は,社会参加に関する発達障害であるコミュニケーションの障害,パターン化した興味や活動,感覚の偏りという特徴を持っている.本研究の目的は学童期におけるASD 児の症状特性と日中活動,夜間睡眠の関係性を分析し,生活指導時の考慮すべき要因を検討することとした.[方法]ASD と診断された通院中の学童期男児14 例を対象とし,広汎性発達障害の重症度の評価として広汎性発達障害日本自閉症協会評定尺度,感覚過敏性の評価として日本感覚インベントリー,日中活動量,夜間睡眠の評価として3 軸加速度計を用いた身体活動量計測を行った.[結果]対象児に夜間睡眠の質低下が認められ,感覚過敏性と夜間睡眠時の中途覚醒の間に正の相関関係が認められた.また,夜間覚醒時間と日中活動時間の間に負の相関関係が認められた.[結論]ASD 児における感覚過敏性の特性や日中活動時間の短縮が,睡眠の質の低下に影響していることが示唆された.そのため,ASD 児の睡眠の質向上に向けた生活指導時には,各個人の感覚刺激の特性を考慮する必要性が示唆された.
 [Background]Autism spectrum disorders (ASD) is characterized by failure of communication is a developmental disorder related to social participation, interests and activities patterned, bias of the senses. [Purpose]The purpose of this study during the day and symptoms characteristic, the night sleep to analyze the relationship of ASD children in school age activities, it was decided to examine the factors to be taken into account at the time of lifestyle guidance. [Method] School-age boys 14 cases (The average 9 year-old and 9 months, IQ 90.3 ± 10.9 points) participated in this study. Intended for school-age boys 14 cases in the diagnosis have been visits to the ASD assessment of pervasive developmental disorder Autism Society Japan rating scale (PARS), Japan sensation inventory (JSI-R), Actigraph. [Result]The result is a decrease in the quality of sleep, it was recognized positive correlation to feeling irritable and nighttime of wake after sleep onset, negative correlation at night waking time and daytime activity time. [Conclusion]In other words, the approach according to each individualʼs characteristics due to sensory evaluation of ASD children were contribute to the improvement of nighttime sleep. Therefore, as a factor to be considered at the time of lifestyle guidance, given the approach of the extension and the sensory stimulation of daytime activity time, as they improve the quality of sleep of ASD children become a cranial nerve development.

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