Association between activities of daily living and oral diadochokinesis among Japanese elderly individuals in a nursing home

  • Hara Shuichi
    School of Health Science, Kyushu University of Health and Welfare
  • Miura Hiroko
    National Institute of Public Health
  • Yamasaki Kiyoko
    School of Social Welfare, Kyushu University of Health and Welfare
  • Sumi Yasunori
    Center of Advanced Medicine for Dental and Oral Diseases, National Center for Geriatrics and Gerontology

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Other Title
  • 養護老人ホーム入所高齢者におけるオーラルディアドコキネシスとADLとの関連性
  • ヨウゴ ロウジンホーム ニュウショ コウレイシャ ニ オケル オーラルディアドコキネシス ト ADL ト ノ カンレンセイ

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Abstract

Aim: We studied the association between the activities of daily living (ADL) and oral diadochokinesis (OD) among 84 Japanese elderly individuals residing in a nursing home.<br> Methods: We assessed OD in terms of speech and articulation. Each subject repetitively produced the syllables /pa/, /ta/, /ka/ and the sequence /pataka/. We also evaluated comprehensive ADL (basic, BADL; instrumental, IADL; and communicative, CADL) based on the criteria of the ADL-20 and intellectual ability using the revised Hasegawa Dementia Scale (HDS-R). We classified types of OD into a hypokinesia group (less than 3 times per second for OD /pa//ta//ka/ or less than once per second for OD /pataka/) and a repetition exercise maintenance group (more than 3 times per second for OD /pa//ta/ /ka/ or more than once per second for OD /pataka/).<br> Results: After adjusting for age, sex, and HDS-R score, the ADL-20 total score of the hypokinesia group was significantly lower than that of the maintenance group for OD (/pa/ and /pataka/) (p<0.01). The BADL for mobility (BADLm) score in the hypokinesia group for all OD sections was significantly lower than that in the maintenance group (p<0.05). The BADL for self-care score (BADLs) in the hypokinesia group for OD (/pataka/) was lower than that in the maintenance group (p<0.01). The CADL score in the hypokinesia group for OD (/pa/) was lower than that in the maintenance group (p<0.05).<br> Conclusion: A decline in OD may have been associated with a decline in ADL in our subjects, suggesting that the rate of decline in OD may affect overall ADL in elderly individuals.<br>

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