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Comparison of Lip-Seal Strength and Lip-Closure Strength and analysis of their related factors

Research Project

Project/Area Number 20K10078
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 57050:Prosthodontics-related
Research InstitutionTokyo Dental College

Principal Investigator

Karaho Junko  東京歯科大学, 歯学部, 准教授 (20534853)

Co-Investigator(Kenkyū-buntansha) 酒井 克彦  東京歯科大学, 歯学部, 講師 (40433958)
片山 正輝  東京歯科大学, 歯学部, 教授 (00286494)
Project Period (FY) 2020-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2022: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2021: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2020: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywords口腔機能 / 口唇閉鎖力 / サルコペニア / 摂食嚥下障害 / レジスタンストレーニング / 嚥下障害 / リハビリテーション
Outline of Research at the Start

嚥下障害に対する基礎訓練は多くの患者に行われる。なかでも口腔周囲筋に対する強化訓練は高頻度に行われるが、方法の具体的な指導内容、訓練回数は統一されてなく、期待される効果の学術的な裏付と検討は十分になされていない。
本研究の目的は、口唇周囲の筋力と嚥下機能の関連を検討し、筋力トレーニングの理論に基づいた口唇周囲の筋に対するレジスタンストレーニングを体系的に行い、筋力の向上と嚥下動態に及ぼす効果を検証することである。本研究により口唇周囲の筋の強化訓練の意義が明確になり、嚥下機能の改善効果のある訓練手技を提示できると思われる。患者個人のQOLの改善,予防嚥下医学の発展と医療費の縮小が期待できる。

Outline of Final Research Achievements

Lip closure training is frequently performed in wallowing rehabilitation, but neither the training method nor the standard values have been established. In this study, we examined the relationship between Lip Sealing Strength (LSS) and Lip Closing Strength (LCS), maximal tongue pressure, oral diadokokinesis, and sarcopenia in 145 healthy subjects and 53 patients with impaired swallowing function. LSS was 11.5 [9.9-13] N and LCS was 11.4 [8.6-14.3] N in healthy subjects, and the regression equation between LSS and LCS was LCS = 0.94X LSS + 0.6. LSS and LCS decreased in dysphagia and sarcopenia

Academic Significance and Societal Importance of the Research Achievements

本邦では口唇閉鎖力を測定する機器が2種類あり、各々がターゲットとする口腔周囲筋は同一ではないが、両測定器で得られる値に大きな差はないと思われ、異なる研究間での比較を可能とした。LCS、LSSともに嚥下障害患者では、健常者と比較して有意に低下することから、摂食嚥下リハビリテーションにおける口唇閉鎖力の強化訓練の意義が確認された。また、サルコペニアを伴う患者群では、LCSの方がサルコペニアの診断に関連する握力や下腿周囲長との関連が高いことから、サルコペニアの嚥下障害の指標としてのLCSの有用性が示唆された。

Report

(5 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Research-status Report
  • 2021 Research-status Report
  • 2020 Research-status Report
  • Research Products

    (14 results)

All 2024 2023 2022 2021

All Journal Article (4 results) (of which Int'l Joint Research: 2 results,  Peer Reviewed: 4 results,  Open Access: 2 results) Presentation (10 results) (of which Int'l Joint Research: 4 results,  Invited: 1 results)

  • [Journal Article] Temporal muscle thickness is associated with the severity of dysphagia in patients with acute stroke2021

    • Author(s)
      Sakai Katsuhiko、Katayama Masateru、Nakajima Junko、Inoue Satoshi、Koizumi Kenzo、Okada Satoshi、Suga Sadao、Nomura Takeshi、Matsuura Nobuyuki
    • Journal Title

      Archives of Gerontology and Geriatrics

      Volume: 96 Pages: 104439-104439

    • DOI

      10.1016/j.archger.2021.104439

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Association between Weight Loss and Food Form in Older Individuals Residing in Long-Term Care Facilities: 1-Year Multicenter Longitudinal Study2021

    • Author(s)
      Endo Akemi, Watanabe Yutaka, Matsushita Takae, Okada Kazutaka, Ohara Yuki, Iwasaki Masanori, Ito Kayoko, Nakajima Junko, Iwasa Yasuyuki, Itoda Masataka, Sasaki Rikimaru, Nishi Yasuhiro, Furuya Junichi, Watanabe Yoshihiko, Umemoto George, Kishima Masako, Hirano Hirohiko, Sato Yuji, Yoshida Mitsuyoshi, Yamazaki Yutaka
    • Journal Title

      International Journal of Environmental Research and Public Health

      Volume: 18 Issue: 20 Pages: 10776-10776

    • DOI

      10.3390/ijerph182010776

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Pneumonia incidence and oral health management by dental hygienists in long‐term care facilities: A 1‐year prospective multicentre cohort study2021

    • Author(s)
      Hama Kaoko、Iwasa Yasuyuki、Ohara Yuki、Iwasaki Masanori、Ito Kayoko、Nakajima Junko、Matsushita Takae、Tohara Takashi、Sakamoto Mayumi、Itoda Masataka、Inohara Ken、Ozaki Yoshie、Sasaki Rikimaru、Nishi Yasuhiro、Tsuneishi Midori、Furuya Junichi、Watanabe Yutaka、Watanabe Yoshihiko、Sato Yuji、Yoshida Mitsuyoshi
    • Journal Title

      Gerodontology

      Volume: - Issue: 4 Pages: 374-383

    • DOI

      10.1111/ger.12604

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Questionnaire survey on nurses and speech therapists regarding dysphagia rehabilitation in Japan2021

    • Author(s)
      Kato K, Ikeda R, Suzuki J, Hirano-Kawamoto A, Kamakura Y, Fujiu-Kurachi M, Hyodo M, Izumi S, Koyama S, Sasaki K, Nakajima J, Karaho T, Kimura Y, Kumai Y, Fujimoto Y, Nito T, Oku Y, Kurosawa H, Kuriyama S, Katori Y
    • Journal Title

      Auris Nasus Larynx

      Volume: 48 Issue: 2 Pages: 241-247

    • DOI

      10.1016/j.anl.2020.08.004

    • Related Report
      2020 Research-status Report
    • Peer Reviewed
  • [Presentation] Comparison of Lip-Seal Strength and Lip-Closure Strength and analysis of their related factors2024

    • Author(s)
      J Nakajima, Y Seito, K Sakai, M Suzuki, A Zaitsu, R Aoki, T Ooya, N Matsuura
    • Organizer
      International Association for Dental, Oral, and Craniofacial Research) General Session
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 入院患者における非経口摂取の継続と口腔機能、筋力・筋量の関連について2023

    • Author(s)
      清藤友介,中島純子,鈴木美紅,青木理佐,大屋朋子,森田奈那,野村武史,松浦信幸
    • Organizer
      第29回日本摂食嚥下リハビリテーション学会
    • Related Report
      2023 Annual Research Report
  • [Presentation] 急性期病院入院患者における経口摂取再開と口腔機能の関連性の検討2022

    • Author(s)
      鈴木美紅, 中島純子, 酒井克彦, 財津 愛, 青木理佐, 大屋朋子, 小松万純, 本田健太郎, 野村武史, 松浦信幸
    • Organizer
      第33回日本老年歯科医学会
    • Related Report
      2022 Research-status Report
  • [Presentation] 2種類の口唇閉鎖力測定器による口唇閉鎖力の比較と関連因子の検討2022

    • Author(s)
      中島純子, 酒井克彦, 鈴木美紅, 財津 愛, 青木理佐, 大屋朋子, 小松万純, 本田健太郎, 野村武史,松浦信幸
    • Organizer
      第33回日本老年歯科医学会
    • Related Report
      2022 Research-status Report
  • [Presentation] 入院期間の長期化による二次性サルコペニアと口腔機能低下に関する検討2022

    • Author(s)
      青木理佐,中島純子,鈴木美紅,財津 愛,大屋朋子,酒井克彦,松浦信幸
    • Organizer
      日本歯科衛生士学会第17回学術大会
    • Related Report
      2022 Research-status Report
  • [Presentation] 脳卒中を発症し緊急手術を受けた患者の摂食嚥下機能と口腔環境についての検討2022

    • Author(s)
      小松万純,酒井克彦,鈴木美紅,松田弘美,彦田真彦,中島純子,片山正輝,松浦信幸
    • Organizer
      第28回日本摂食嚥下リハビリテーション学会学術大会
    • Related Report
      2022 Research-status Report
  • [Presentation] 2種類の口唇閉鎖力測定器による計測値の比較と関連因子の検討2022

    • Author(s)
      中島純子,酒井克彦,鈴木美紅,財津 愛,青木理佐,大屋朋子,本田健太郎,小松万純, 野村武史,松浦信幸
    • Organizer
      日本老年歯科医学会
    • Related Report
      2021 Research-status Report
  • [Presentation] Prosthodontic Strategies and New Evaluation System for Dysphagia2021

    • Author(s)
      Nakajima J
    • Organizer
      International College of Prosthodontists
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Evaluation of three-dimensioDnal hyoid bone movements using 320-ADCT in patients after hemiglossectomy and neck dissection.2021

    • Author(s)
      Nakajima J, Saito H, Ishii Y, Ogane S, Sakai K, Nomura T, Matsuura N.
    • Organizer
      29th Dysphagia Research Society 2021 Annual Meeting
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] Effect of sarcopenia in masticatory and swallowing muscles on oropharyngeal dysphagia in patients with acute stroke2021

    • Author(s)
      Sakai K, Katayama M, Matsumoto Y, Honda K, Morita N, Nakajima J, Kamamoto D, Suga S, Nomura T and Matsuura N
    • Organizer
      29th Dysphagia Research Society 2021 Annual Meeting
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research

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Published: 2020-04-28   Modified: 2025-01-30  

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