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Seishin Igaku Volume 49, Issue 6 （June 2007）

精神医学 49巻6号（2007年6月発行）

Japanese English

研究と報告

中高齢者における集団音楽療法の身体・心理的ストレス指標に及ぼす影響 Effects of Group Music Therapy for Healthy Middle-aged and Elderly People on Physical and Psychological Stress Markers 西村亜希子 ¹ , 大平哲也 ^1,2 , 堀早苗 ³ , 堀彩 ³ , 長澤晋吾 ⁴ , 北村和之 ⁴ Akiko NISHIMURA ¹ , Tetsuya OHIRA ^1,2 , Sanae HORI ³ , Aya HORI ³ , Shingo NAGASAWA ⁴ , Kazuyuki KITAMURA ⁴ ¹大阪府立健康科学センター健康開発部 ²大阪大学大学院医学系研究科社会環境医学講座公衆衛生学 ³あしや音楽療法研究会 ⁴矢内原研究所 ¹Osaka Medical Center for Health Science and Promotion, Osaka, Japan ²Public Health, Department of Social and Environmental Medicine, Graduate School of Medicine, Osaka University ³Ashiya Music Therapy Institute ⁴Yanaihara Institute Inc. キーワード： Active music therapy , Social background , Perceived stress , Salivary cortisol , Salivary chromogranin A Keyword: Active music therapy , Social background , Perceived stress , Salivary cortisol , Salivary chromogranin A pp.619-627

発行日 2007年6月15日 Published Date 2007/6/15

DOI https://doi.org/10.11477/mf.1405101029

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　【目的】健常中高齢者を対象とした集団音楽療法による身体・心理的ストレス指標への効果を検討すること，および参加者の心理・社会的背景が，これらの効果に及ぼす影響について検討することを目的とした。【対象と方法】36～78歳の男女46名を対象に集団音楽療法を行い，自覚的ストレスなどの心理的ストレス，および身体的ストレス指標である唾液中コルチゾール値，クロモグラニンA値を音楽療法前後に測定した。【結果】音楽療法後，参加者のほとんどの自覚的ストレスが軽減した。唾液中コルチゾール値に有意な変化はみられなかったが，唾液中クロモグラニンA値の平均値は5.6pmol/mlから3.6pmol/mlに有意に減少した(p＝0.02)。また，唾液中クロモグラニンA値は，65歳以上，および日常のストレスが多い者において，より大きく低下していた。【結論】集団音楽療法は心身のストレス低下に有効であり，その効果には年齢，ストレス状況の影響を受ける可能性がある。

　OBJECTIVE：A number of studies have reported the positive effects of group music therapy for the elderly on cognitive function such as prevention of dementia and improvement of dementia-related symptoms. However, the effect of music therapy for healthy elderly on a stress reduction has not been elucidated. This study was aimed at examining the effects of music therapy for healthy elderly people on perceived stress and stress-related physiological markers, and whether the bio-psycho-social background of a participant such as age, music experience, and daily stress modified these effects.

　METHODS：We performed group music therapy for 46 men and women aged 36 to 78 years. Psycho-physiological stress markers, including perceived stress, salivary cortisol, and salivary chromogranin A, were measured before and after a session of music therapy. The session combined passive music therapy such as listening to music and active music therapy incorporating a chorus and a musical performance of a tone and a bar chime.

　RESULTS：Ninety eight percent of participants reported a reduction in perceived stress after music therapy. Age, music experience, and daily stress did not influence reduction in perceived stress. Mean levels of salivary chromogranin A reduced significantly after music therapy, whereas mean levels of salivary cortisol did not reduce significantly. In addition, the associations of music therapy with chromogranin A were clearly observed among participants whose age was older than 65 years and who felt daily stress strongly.

　CONCLUTION：The present study indicates that group music therapy may reduce both perceived stress and salivary chromogranin A, and the bio-psycho-social background of a participant may modify the effects of music therapy on stress reduction.