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Changes in swallowing dynamics associated with different food properties

Research Project

Project/Area Number 16K16264
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Eating habits
Research InstitutionKawasaki University of Medical Welfare (2017)
Kyoto University (2016)

Principal Investigator

Nagami Shinsuke  川崎医療福祉大学, 医療技術学部, 助教 (60744042)

Research Collaborator Oku Yoshitaka  
Yagi Naomi  
Takahashi Ryosuke  
Kayashita Jun  
Yamagata Yoshie  
Project Period (FY) 2016-04-01 – 2018-03-31
Project Status Completed (Fiscal Year 2017)
Budget Amount *help
¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Fiscal Year 2017: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2016: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywords摂食嚥下 / 咀嚼・嚥下 / 食生活学 / 医工学 / リハビリテーション科学 / 食品 / リハビリテーション
Outline of Final Research Achievements

We hypothesized that swallowing dynamics are modified by underlying pathophysiology of dysphagic patients and such alterations of swallowing dynamics determine the appropriate food properties. but, We could not show a criterion of causal relationships. The data obtained so far are reflected on the swallowing monitor - and an algorithm for improving accuracy has been developed.
Impaired coordination between breathing and swallowing (breathing-swallowing discoordination) may be a significant risk factor for the exacerbation of chronic obstructive pulmonary disease (COPD). We examined breathing-swallowing discoordination in patients with COPD using a non-invasive and quantitative technique and determined its association with COPD exacerbation.Breathing-swallowing discoordination is strongly associated with frequent exacerbations of COPD.

Report

(3 results)
  • 2017 Annual Research Report   Final Research Report ( PDF )
  • 2016 Research-status Report
  • Research Products

    (6 results)

All 2018 2017 2016

All Journal Article (6 results) (of which Int'l Joint Research: 1 results,  Peer Reviewed: 6 results,  Open Access: 4 results,  Acknowledgement Compliant: 2 results)

  • [Journal Article] Clinical Benefits of Videofluoroscopic Examination of Swallowing Using Texture Modified Test Food2018

    • Author(s)
      Aya Nakajima, Shinsuke Nagami, Yoshie Yamagata and Jun Kayashita*
    • Journal Title

      EC NUTRITION

      Volume: 13.1 Pages: 24-31

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Using Machine Learning and a Combination of Respiratory Flow, Laryngeal Motion, and Swallowing Sounds to Classify Safe and Unsafe Swallowing2018

    • Author(s)
      Katsufumi Inoue, Michifumi Yoshioka, Naomi Yagi, Shinsuke Nagami, Yoshitaka Oku
    • Journal Title

      IEEE Transactions on Biomedical Engineering

      Volume: 19 February 2018 Issue: 11 Pages: 1-1

    • DOI

      10.1109/tbme.2018.2807487

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Breathing swallowing discoordination is associated with frequent exacerbations of COPD2017

    • Author(s)
      Nagami Shinsuke、Oku Yoshitaka、Yagi Naomi、Sato Susumu、Uozumi Ryuji、Morita Satoshi、Yamagata Yoshie、Kayashita Jun、Tanimura Kazuya、Sato Atsuyasu、Takahashi Ryosuke、Muro Shigeo
    • Journal Title

      BMJ Open Respiratory Research

      Volume: 4 Issue: 1 Pages: e000202-e000202

    • DOI

      10.1136/bmjresp-2017-000202

    • NAID

      120006355759

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Inappropriate Timing of Swallow in the Respiratory Cycle Causes Breathing Swallowing Discoordination2017

    • Author(s)
      Yagi Naomi、Oku Yoshitaka、Nagami Shinsuke、Yamagata Yoshie、Kayashita Jun、Ishikawa Akira、Domen Kazuhisa、Takahashi Ryosuke
    • Journal Title

      Frontiers in Physiology

      Volume: 8 Pages: 1-11

    • DOI

      10.3389/fphys.2017.00676

    • NAID

      120006358592

    • Related Report
      2017 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] 永見 慎輔, 八木 直美, 魚住 龍史, 山縣 誉志江, 田中 信吾, 伊藤 圭子, 平位 知久, 延原 浩, 森田 智視, 高橋 良輔, 栢下 淳, 越久 仁敬2016

    • Author(s)
      物性調整した食品別の嚥下動態の相違と適切な嚥下調整食選択への応用
    • Journal Title

      嚥下医学

      Volume: 5(2) Pages: 206-213

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] A noninvasive swallowing measurement system using a combination of respiratory flow, swallowing sound, and laryngeal motion2016

    • Author(s)
      N. Yagi, S. Nagami, M. K. Lin, T. Yabe, M. Itoda, T. Imai, Y. Oku
    • Journal Title

      Medical & Biological Engineering & Computing Journal

      Volume: - Issue: 6 Pages: 1-17

    • DOI

      10.1007/s11517-016-1561-2

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research / Acknowledgement Compliant

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Published: 2016-04-21   Modified: 2019-03-29  

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