口腔保健と栄養研究

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研究副部長 岩崎 正則

研究部長

平野 浩彦

専門副部長   小原 由紀
研究員   本川 佳子、白部 麻樹
技術員   早川 美知、カランタル 玲奈
非常勤研究員   鈴木 隆雄那須 郁夫渡邊 裕、相田 順子、本橋 佳子、中島 純子、
  高城 大輔五十嵐 憲太郎釘宮 嘉浩 星野 大地、森下 志穂、三上 友里恵、
  佐々木 直子
非常勤事務員   松永 瑞穂
連携大学院・研究生  上野 結衣(九州歯科大学)

キーワード

オーラルフレイル 健康寿命 認知症 在宅療養 看取り 食欲 食行動関連障害 低栄養 食品摂取の多様性 食形態 口腔機能 ドライマウス 地域包括ケア 通所介護 

主な研究

  1. 高齢者の口腔機能と栄養の改善に関する研究
  2. 認知症高齢者の口と栄養の支援に関する研究
  3. 口腔と栄養関連の施策に関する研究

研究紹介

1.高齢者の口腔機能と栄養の改善に関する研究

本研究では口腔機能および栄養評価法の確立、オーラルフレイル予防プログラムの開発検証、食形態・嚥下調整食に関する研究を行っています。
健康高齢者からフレイル高齢者、要介護高齢者までを対象として、口腔機能および栄養評価指標を開発検証し、地域および介護現場等での普及を目指しています。オーラルフレイルとその予防プログラムについては、大規模な調査研究事業を多くの研究機関と共同して行っています。オーラルフレイルとその予防プログラムについては、日本だけでなくアジア諸国への普及を目指しています。食形態・嚥下調整食に関する研究は大規模実態調査から課題を抽出し、地域においてそれら課題を解決するための方法を多面的に分析し、地域での実装を目指しています。

スライド1.PNG

ご存知ですか?オーラルフレイルのパンフレットはこちら

2. 認知症高齢者の口と栄養の支援に関する研究

本研究では認知症の方の経口摂取に関わる諸問題、神経筋症状や薬剤の副作用による症状を明らかにし、多職種連携による評価と対応策の集合知を得ることを目的としています。認知症高齢者に対する歯科診療等の口腔管理に関するガイドラインの作成を行いながら、把握された課題を解決する目的で、介護保険施設、認知症高齢者グループホーム等で収集しているデータを用いて、認知症の診断、ステージ、病態、投薬情報、経口摂取困難の症状、対応策などについて分析しています。最終的に認知症高齢者が住み慣れた地域で暮らしを続けられるよう、経口摂取に関する支援法を家族、介護者を含めた多職種連携による評価と対応策を含め確立することを目指しています。

認知症の人への歯科治療ガイドライン

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3. 口腔と栄養関連の施策に関する研究

口腔と栄養関連の診療報酬および介護報酬にかかる施策の効果検証を行うとともに、新たな問題点や、その他口腔と栄養関連の制度上の問題点を抽出し、診療報酬および介護報酬改定のための根拠づくりを行います。また、地域包括ケアシステムのさらなる推進を目指して、健康高齢者から要介護高齢者までを対象に経口摂取状況、栄養状態、在宅療養の継続、看取りの増加などをアウトカムとした研究事業を行っています。特に高齢者が地域において望む暮らしを継続するために必要な口腔や栄養に関する地域サービスの創出や人材育成、介護事業所の役割を明らかにして、地域包括ケアシステムの推進、医療および介護保険サービスの維持に貢献します。

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1.口腔機能向上加算導入手の手引き

2.パンフレット「おいしく食べて 低栄養予防」

高島平こころとからだの健康調査にご協力をいただいた皆様へ

主要文献(2021年度)

  1. Iwasaki M, Motokawa K, Watanabe Y, Shirobe M, Inagaki H, Edahiro A, Ohara Y, Hirano H, Shinkai S, Awata S. A Two-Year Longitudinal Study of the Association between Oral Frailty and Deteriorating Nutritional Status among Community-Dwelling Older Adults. Int J Environ Res Public Health. 2020 Dec 30;18(1):213. (査読あり) (IF: 3.390)
  2. Ohara Y, Nomura Y, Yamamoto Y, Okada A, Hosoya N, Hanada N, Takei N, Hirano H. Job attractiveness and job satisfaction of dental hygienists: From Japanese dental hygienists' survey 2019. Int J Environ Res Public Health. 2021 17;18(2):755. (査読あり) (IF:3.390)
  3. Ohara Y, Nomura Y, Yamamoto Y, Okada A, Hosoya N, Hanada N, Takei N, Hirano H. Daily Tasks and Willingness to Work of Dental Hygienists in Nursing Facilities Using Japanese Dental Hygienists' Survey 2019. Int J Environ Res Public Health. 2021 18(6), 3152. (査読あり) (IF: 3.390)
  4. Ohara Y, Iwasaki M, Motokawa K, Hirano H. Preliminary investigation of family caregiver burden and the oral care provided to housebound older patients. Clin Exp Dent Res. 2021 7:840-844. (査読あり) (IF:1.45)
  5. Morishita S, Ohara Y, Iwasaki M, Edahiro A, Motokawa K, Shirobe M, Furuya J, Watanabe Y, Suga T, Kanehisa Y, Ohuchi A, Hirano H. Relationship between Mortality and Oral Function of Older People Requiring Long-Term Care in Rural Areas of Japan: A Four-Year Prospective Cohort Study. Int J Environ Res Public Health. 2021;18(4):1723. (査読あり) (IF: 3.390)
  6. Motokawa K, Mikami Y, Shirobe M, Edahiro A, Ohara Y, Iwasaki M, Watanabe Y, Kawai H, Tera T, Obuchi S, Fujiwara Y, Ihara K, Hirano H. Relationship between Chewing Ability and Nutritional Status in Japanese Older Adults: A Cross-Sectional Study. Int. J. Environ. Res. Public Health 2021, 18(3), 1216. (査読あり) (IF: 3.390)
  7. Hayakawa M, Motokawa K, Mikami Y, Yamamoto K, Shirobe M, Edahiro A, Iwasaki M, Ohara Y, Watanabe Y, Kawai H, Kojima M, Obuchi S, Fujiwara Y, Kim H, Ihara K, Inagaki H, Shinkai S, Araki A, Hirano H. Low Dietary Variety and Diabetes Mellitus are Associated with Frailty Among Community-dwelling Older Japanese Adults: A Cross-Sectional Study. Nutrients 2021, 13(2), 641. (査読あり) (IF:5.717)
  8. Iwasaki M, Watanabe Y, Motokawa K, Shirobe M, Inagaki H, Motohashi Y, Mikami Y, Taniguchi Y, Osuka Y, Seino S, Kim H, Kawai H, Sakurai R, Edahiro A, Ohara Y, Hirano H, Shinkai S, Awata S. Oral frailty and gait performance in community-dwelling older adults: findings from the Takashimadaira study. J Prosthodont Res. 2021 Feb 22. doi: 10.2186/jpr.  (査読あり) (IF:4.642)  Nomura Y, Ohara Y, Yamamoto Y, Okada A, Hosoya N, Hanada N, Takei N. Dental Hygienists' Practice in Perioperative Oral Care Management According to the Japanese Dental Hygienists Survey 2019. Int J Environ Res Public Health. 2020 Dec 26;18(1):114. (査読あり) (IF: 3.390)
  9. Iwasaki M, Motokawa K, Watanabe Y, Shirobe M, Inagaki H, Edahiro A, Ohara Y, Hirano H, Shinkai S, Awata S. A 2-year longitudinal study of association between oral frailty and deteriorating nutritional status among community-dwelling older adults. International Journal of Environmental Research and Public Health. 18(1), 213, 2020 (原著・査読あり) (IF:3.390)
  10. Iwasaki M, Ennibi OK, Bouziane A, Erraji S, Lakhdar L, Rhissassi M, Ansai T, Yoshida A, Miyazaki H. Association between Periodontitis and the Mediterranean diet in young Moroccan individuals. Journal of Periodontal Research. 56(2), 408-414, 2021 (原著・査読あり) (IF: 4.419)
  11. Iwasaki M, Kimura Y, Yamaga T, Yamamoto N, Ishikawa M, Wada T, Sakamoto R, Ishimoto Y, Fujisawa M, Okumiya K, Otsuka K, Matsubayashi K, Ogawa H. A population-based cross-sectional study of the association between periodontitis and arterial stiffness among the older Japanese population. Journal of Periodontal Research. 56(2), 423-431, 2021 (原著・査読あり) (IF: 4.419)
  12. Iwasaki M, Sato M, Yoshihara A, Saito T, Kitamura K, Ansai T, Nakamura K. A 5-year longitudinal association between dietary fermented soybean (natto) intake and tooth loss through bone mineral density in postmenopausal women: the Yokogoshi cohort study. Gerodontology. In press, 2021 (原著・査読あり) (IF: 2.980)
  13. Iwasaki M, Usui M, Ariyoshi W, Nakashima K, Nagai-Yoshioka Y, Inoue M, Kobayashi K, Borgnakke WS, Taylor GW, Nishihara T. Validation of a Self-report Questionnaire for Periodontitis in a Japanese Population. Scientific reports. In press, 2021 (原著・査読あり) (IF: 4.379)
  14. Meguro A, Ohara Y, Edahiro A, Shirobe M, Iwasaki M, Igarashi K, Motokawa K, Ito M, Watanabe Y, Kawai H, Hirano H. Factors associated with denture non-use in older adults requiring long-term care. Arch Gerontol Geriatr. 95, 2021, 104412. (査読あり) (IF:3.250)
  15. Iwasaki M, Motokawa K, Watanabe Y, Shirobe M, Ohara Y, Edahiro A, Kawai H, Fujiwara Y, Kim H, Ihara K, Obuchi S, Hirano H. Oral hypofunction and malnutrition among community-dwelling older adults: Evidence from the Otassha study. Gerodontology. doi: 10.1111/ger.12580. (in press), (査読あり) (IF:2.980)
  16. Meguro A, Ohara Y, Edahiro A, Shirobe M, Iwasaki M, Igarashi K, Motokawa K, Ito M, Watanabe Y, Kawai Y, Hirano H. Denture wearing is associated with nutritional status among older adults requiring long-term care: a cross-sectional study. J Dent Sci. (in press) (査読あり) (IF:2.08)
  17. Iwasaki M, Hirano H, Motokawa M, Shirobe M, Edahiro A, Ohara Y, Kawai H, Kojima M, Obuchi S, Murayama H, Fujiwara Y, Ihara K, Shinkai S, Kitamura A. Interrelationships among whole-body skeletal muscle mass, masseter muscle mass, oral function, and dentition status in older Japanese adults. BMC Geriatrics. 20;21(1):582., 2021 (査読あり) (IF: 3.921)
  18. Iwasaki M, Motokawa K, Watanabe Y, Hayakawa M, Mikami Y, Shirobe M, Inagaki H, Edahiro A, Ohara Y, Hirano H, Shinkai S, Awata S. Nutritional status and body composition in cognitively impaired older persons living alone: The Takashimadaira study. PLoS One. 2021 Nov 23;16(11):e0260412. (原著・査読あり) (IF: 3.240)
  19. Ohara Y, Kawai H, Shirobe M, Iwasaki M, Motokawa K, Edahiro A, Kim H, Fujiwara Y, Ihara K, Watanabe Y, Obuchi S, Hirano H. Association between dry mouth and physical frailty among community-dwelling older adults in Japan: The Otassha Study. Gerodontology. 2021 Nov 11. doi: 10.1111/ger.12605. (原著・査読あり) (IF: 2.980)
  20. Iwasaki M, Usui M, Ariyoshi W, Nakashima K, Nagai-Yoshioka Y, Inoue M, Kobayashi K, Nishihara T. Interruption of regular dental visits during the COVID-19 pandemic due to concerns regarding dental visits was associated with periodontitis in Japanese office workers. Journal of Periodontal Research. In press, 2021 (原著・査読あり) (IF: 4.419)
  21. Iwasaki M, Usui M, Ariyoshi W, Nakashima K, Nagai-Yoshioka Y, Inoue M, Kobayashi K, Nishihara T. Evaluation of the ability of the trypsin-like peptidase activity assay to detect severe periodontitis. PLOS ONE, In press, 2021 (原著・査読あり) (IF:3.240)
  22. Iwasaki M, Usui M, Ariyoshi W, Nakashima K, Nagai-Yoshioka Y, Inoue M, Kobayashi K, Nishihara T. Sleep duration and severe periodontitis in middle-aged Japanese workers. Journal of Clinical Periodontology. In press, 2021 (原著・査読あり) (IF: 8.728)
  23. Ohara Y, Iwasaki M, Shirobe M, Kawai H, Edahiro A, Motokawa K, Fujiwara Y, Kim H, Ihara K, Obuchi S, Watanabe Y, Hirano H. Xerostomia as a key predictor of physical frailty among community-dwelling older adults in Japan: a five-year prospective cohort study from The Otassha Study. Arch Gerontol Geriatr. In press, 2021 (査読あり) (IF:3.250)
  24. Mikami Y, Motokawa K, Shirobe M, Edahiro A, Ohara Y, Iwasaki M, Hayakawa M, Watanabe Y, Inagaki H, Kim HK, Shinkai S, Awata S, Hirano H. Relationship between Eating Alone and Poor Appetite Using the Simplified Nutritional Appetite Questionnaire, Nutrients, 14(2), 337; https://doi.org/10.3390/nu14020337, 202 (原著・査読あり) (IF: 5.717)
  25. Iwasaki M, Hirano H, Ohara Y, Motokawa K. The association of oral function with dietary intake and nutritional status among older adults: Latest evidence from epidemiological studies. Jpn Dent Sci Rev. 2021; 57:128-137. (査読あり)(IF:5.250)
  26. Nomura Y, Ohara Y, Yamamoto Y, Okada A, Hosoya N, Hanada N, Takei N. Improvements of job environment and daily work-related tasks of dental hygienist working at private dental office. Dent. J. 2021, 9(2), 22; https://doi.org/10.3390/dj9020022 (査読あり) (IF: N/A)
  27. Shirobe M, Hidaka R, Hirano H, Ohara Y, Endo K, Watanabe Y, Hakuta C. The effectiveness of a desensitization technique for mitigating oral and facial tactile hypersensitivity in institutionalized older persons: A randomized controlled trial. J Dent Sci. 16;987-993. (査読あり) (IF:2.08)
  28. Shirobe M, Watanabe Y, Tanaka T, Hirano H, Kikutani T, Nakajo K, Sato T, Furuya J, Minakuchi S, Iijima K. Effect of an Oral Frailty Measures Program on Community-Dwelling Elderly People: A Cluster-Randomized Controlled Trial. Gerontology. 2021 Jul 9:1-10. (査読あり) (IF: 5.140)
  29. Okada A, Ohara Y, Nomura Y, Yamamoto Y, Hosoya N, Hanada N, Takei N. Impact of working environment on job satisfaction: findings from a survey of Japanese dental hygienists. Int J Environ Res Public Health. 2021; 18(6), 3200. (査読あり) (IF: 3.390)
  30. Okada A, Nomura Y, Ohara Y, Yamamoto Y, Hosoya N, Hanada N, Takei N. Factors Affecting the Reinstatement of the Japanese Dental Hygienist: A Japanese Dental Hygienist Survey Conducted in 2019. Int J Environ Res Public Health. 2021, 18(4), 2049; https://doi.org/10.3390/ijerph18042049 (査読あり) (IF: 3.390)
  31. Kugimiya Y, Watanabe Y, Shirobe M, Motohashi Y, Motokawa K, Edahiro A, Ohara Y, Ryu M, Igarashi K, Hoshino D, Nakajima J, Ueda T, Taniguchi Y, Ogawa T, Maekawa K, Tamaki K, Kuboki T, Kitamura A, Shinkai S, Hirano H. A comparison of colorimetric and visual methods for the assessment of masticatory performance with color-changeable chewing gum in older persons. J Dent Sci. 2021 16:380-388. (査読あり) (IF:2.08)
  32. Tanaka T, Hirano H, Ohara Y, Nishimoto M, Iijima K. Oral Frailty Index-8 in the risk assessment of new-onset oral frailty and functional disability among community-dwelling older adults. Arch Gerontol Geriatr. 94, May-June 2021, 104340 (査読あり) (IF:3.250)
  33. Kugimiya Y, Iwasaki M, Ohara Y, Motokawa K, Edahiro A, Shirobe M, Watanabe Y, Obuchi S, Kawai H, Fujiwara Y, Ihara K, Kim H, Ueda T, Hirano H. Relationship between Oral Hypofunction and Sarcopenia in Community-Dwelling Older Adults: The Otassha Study. Int J Environ Res Public Health. 2021; 18(12):6666. (査読あり) (IF: 3.390)
  34. Hama K, Iwasa Y, Ohara Y, Iwasaki M, Ito K, Nakajima J, Abe T, Tohara T, Sakamoto M, Itoda M, Inohara K, Ozaki Y, Sasaki R, Nishi, Yasuhiro Y, Tsuneishi M, Furuya J, Watanabe Y, Watanabe Y, Sato Y, Yoshida M. Pneumonia incidence and oral health management by dental hygienists in long-term care facilities: A 1-year prospective multicenter cohort study, Gerodontology (in press) (査読あり) (IF:2.980)
  35. Sunakawa S, Tsugayasu H, Watanabe Y, Matsushima T, Ohara Y, Iwasaki M, Shirobe M, Ito K, Nakajima J, Iwasa Y, Itoda M, Sasaki R, Nishi Y, Furuya J, Watanabe Y, Ishiguro Y, Hirano H, Sato Y, Yoshida M, Yamazaki Y. Relationship between weight loss and regular dental management of older adults residing in long-term care facilities: A one-year multicenter longitudinal study. European Geriatric Medicine. ( in press) (査読あり) (IF: 1.710)
  36. Endo A, Watanabe Y, Matsushima T, Okada K, Ohara Y, Iwasaki M, Ito K, Nakajima J, Iwasa Y, Itoda M, Sasaki R, Nishi Y, Furuya J, Watanabe Y, Umemoto G, Kishima M, Hirano H, Sato Y, Yoshida M, Yamazaki Y. Association between weight loss and food form in older individuals residing in long-term care facilities: 1-year multicenter longitudinal study. Int J Environ Res Public Health. (in press) (査読あり) (IF: 3.390)
  37. Kobayashi M, Ito M, Iwasa Y, Motohashi Y, Edahiro A, Shirobe M, Hirano H, Gineste Y, Honda M. The effect of multimodal comprehensive care methodology training on oral health care professionals' empathy for patients with dementia. BMC Med Educ. 2021 Jun 3;21(1):315. (査読あり) (IF: 2.463)
  38. Sakurai R, Kawai H, Yanai S, Suzuki H, Ogawa S, Hirano H, Ihara K, Takahashi M, Kim H, Obuchi S, Fujiwara Y. Gait and Age-Related Hearing Loss Interactions on Global Cognition and Falls. Laryngoscope. (in press) (査読あり) (IF: 3.325)
  39. Kera T, Kawai H, Ejiri M, Takahashi J, Nishida K, Harai A, Hirano H, Watanabe Y, Fujiwara Y, Ihara K, Kim H, Obuchi S. Change in subjective health status among frail older Japanese people owing to the coronavirus disease pandemic and characteristics of their responses. Geriatr Gerontol Int. 2021 21(11):1053-1059. (査読あり) (IF: 2.730)
  40. Nishihara K, Kawai H, Kera T, Hirano H, Fujiwara Y, Ihara K, Kim H, Obuchi S. Comparisons of muscle thicknesses, echo intensities, and motor functions between community-dwelling older Japanese adults with and without diabetes. Arch Gerontol Geriatr. 2021 Nov-Dec;97:104516. (査読あり) (IF: 3.250)
  41. Ejiri M, Kawai H, Kera T, Ihara K, Fujiwara Y, Watanabe Y, Hirano H, Kim H, Obuchi S. Exercise as a coping strategy and its impact on the psychological well-being of Japanese community-dwelling older adults during the COVID-19 pandemic: A longitudinal study. Psychol Sport Exerc. 2021 Nov;57:102054. (査読あり) (IF: 4.785)
  42. Fujiwara Y, Ihara K, Hachisu M, Suzuki H, Kawai H, Sakurai R, Hirano H, Chaves PHM, Hashizume M, Obuchi S. Higher Serum Brain-Derived Neurotrophic Factor Levels Are Associated With a Lower Risk of Cognitive Decline: A 2-Year Follow Up Study in Community-Dwelling Older Adults. Front Behav Neurosci. 2021 Jun 22;15:641608. (査読あり) (IF: 3.558)
  43. Kawai H, Obuchi S, Hirayama R, Watanabe Y, Hirano H, Fujiwara Y, Ihara K, Kim H, Kobayashi Y, Mochimaru M, Tsushima E, Nakamura K. Intra-day variation in daily outdoor walking speed among community-dwelling older adults. BMC Geriatr. 2021 Jul 8;21(1):417. (査読あり) (IF: 3.921)
  44. Takahashi J, Kawai H, Fujiwara Y, Watanabe Y, Hirano H, Kim H, Ihara K, Ejiri M, Ishii K, Oka K, Obuchi S. Association between activity diversity and frailty among community-dwelling older Japanese: A cross-sectional study. Arch Gerontol Geriatr. 2021 Jul-Aug;95:104377. (査読あり) (IF: 3.250)
  45. Nakakubo S, Doi T, Tsutsumimoto K, Kurita S, Ishii H, Suzuki T, Shimada H. The Association of Sleep Habits and Advancing Age in Japanese Older Adults: Results from the National Center for Geriatrics and Gerontology Study of Geriatric Syndromes. Gerontology. 2021 Jul 28:1-5. doi: 10.1159/000516387. Epub ahead of print. PMID: 34320492. (査読あり) (IF: 5.140)
  46. Maki Y, Ohashi W, Hattori H, Suzuki T. Discrepancies in persons with dementia, family members, and physician perspectives of dementia treatment: a descriptive study. Psychogeriatrics. 2021 Jul;21(4):596-604. (査読あり) (IF: 2.440)
  47. Takao M, Maki Y, Suzuki T. Effect of financial incentives for participation in dementia prevention and support activities: results of a web survey with persons aged 60 and older. Psychogeriatrics. 2021 May;21(3):387-395. (査読あり) (IF: 2.440)
  48. Makizako H, Shimada H, Tsutsumimoto K, Makino K, Nakakubo S, Ishii H, Suzuki T, Doi T. Physical Frailty and Future Costs of Long-Term Care in Older Adults: Results from the NCGG-SGS. Gerontology. 2021;67(6):695-704. (査読あり) (IF: 5.140)
  49. 小原由紀, 上原弘美, 島谷和恵, 田村清美, 小森朋栄, 岡田昌子, 髙田橋美幸, 武井典子, 鶴田潤. 指導的立場の歯科衛生士から見た新人歯科衛生士・復職歯科衛生士の就業先での課題 ―テキストマイニングを用いた分析―. 日本歯科衛生学会雑誌, 日本歯科衛生学会雑誌 15(2), 53-61, 2021  (査読あり)(IF:N/A)
  50. 釘宮嘉浩, 岩崎正則, 小原由紀, 本川佳子, 枝広あや子, 白部麻樹, 渡邊裕, 大渕修一, 河合恒, 解良武士, 藤原佳典, 井原一成, 金憲経, 五十嵐憲太郎, 星野大地, 平野浩彦. 地域在住高齢者における口腔機能低下有訴者の口腔機能 後期高齢者の質問票を構成する口腔機能関連項目を用いた検討. 日本老年医学会雑誌. 2021. 58(2) 245-254. (査読あり) (IF:N/A)
  51. 釘宮嘉浩, 本川佳子, 山本かおり, 早川美知, 三上友里江, 岩崎正則, 小原由紀, 白部麻樹, 枝広あや子, 渡邊裕, 大渕修一, 河合恒, 解良武士, 藤原佳典, 井原一成, 金憲経, 平野浩彦. 地域在住高齢者における口腔機能低下の有訴者率と栄養素等摂取量の関連 後期高齢者の質問票を構成する口腔機能関連項目を用いた検討. 日本老年医学会雑誌. 2021. 58(1) 91-100. (査読あり) (IF:N/A)
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