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Establishmentkou of hybrid intervention using interference current stimulation and t-DCS on swallowing function

Research Project

Project/Area Number 18K10789
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 59010:Rehabilitation science-related
Research InstitutionFujita Health University

Principal Investigator

Ota Kikuo  藤田医科大学, 医学部, 教授 (00246034)

Co-Investigator(Kenkyū-buntansha) 松本 英司  国際医療福祉大学, 医学部, 准教授 (50337341)
小川 朋子  国際医療福祉大学, 大学病院, 准教授 (70424017)
Project Period (FY) 2018-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2020: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2019: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2018: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Keywords嚥下リハビリテーション / 電気治療 / tDCS / 干渉波電気刺激 / 嚥下障害 / 電気刺激療法 / 直流電気刺激 / リハビリテーション / 嚥下反射 / 上喉頭神経 / t-DCS / 干渉波刺激 / 経頭蓋直流電気刺激 / 干渉波電流治療 / ニューロモデュレーション
Outline of Final Research Achievements

The objectives of this study were to develop an evaluation method that clarifies the immediate effect on the swallowing reflex, and to confirm the usefulness of hybrid electrical stimulation therapy, which combines t-DCS, which stimulates the cerebral swallowing-related cortex, with interferential electrical stimulation.

It was confirmed that the immediate effect was useful in terms of the swallowing reflex induction time measured using the swallowing movement monitor B4S, and in a study of 30 healthy subjects, the swallowing reflex time for the fourth time was significantly shortened. In an RCT comparing a hybrid group, which combined t-DCS and interferential electrical stimulation, with an interferential electrical stimulation group, a significant difference was observed in the swallowing reflex time for the fourth time between the two groups, and the number of responders whose swallowing reflex time was shortened increased in the hybrid group. The RCT about dysphagics is ongoing.

Academic Significance and Societal Importance of the Research Achievements

高齢者では嚥下反射惹起不全による誤嚥性肺炎を併発しやすい。嚥下機能を直接強化する電気治療が有効との報告が海外では多く、日本では上喉頭神経感覚枝を干渉波電気刺激する方法が臨床で利用されるようになった。しかしその即時効果については明確ではなく、B4Sを用いた嚥下反射時間が嚥下反射の改善を明確にする評価方法であることを示した。また健常者において大脳嚥下関連皮質を刺激する t-DCSと干渉波電気刺激を加えるハイブリッド電気刺激治療が嚥下反射の感受性を高める効果があることを示した。誤嚥性肺炎予防につながるハイブリッド電気治療方法の確立に向けて現在特定臨床研究での嚥下障害者に対するRCTを継続している。

Report

(7 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Research-status Report
  • 2021 Research-status Report
  • 2020 Research-status Report
  • 2019 Research-status Report
  • 2018 Research-status Report
  • Research Products

    (16 results)

All 2023 2022 2021 2019 2018

All Journal Article (1 results) Presentation (15 results) (of which Int'l Joint Research: 5 results,  Invited: 1 results)

  • [Journal Article] tCDSと嚥下リハビリテーション. 精神科2023

    • Author(s)
      太田喜久夫
    • Journal Title

      精神科

      Volume: 43 Pages: 450-458

    • Related Report
      2023 Annual Research Report
  • [Presentation] Characteristic examination about the Responders of Interferential Current Stimulation in healthy subjects.2023

    • Author(s)
      Kikuo Ota, Taiga Nishiwaki1, Misao Iida, Michiko Asano
    • Organizer
      The 1st International Conference of Asian Dysphagia Society, Nogoya, Japan
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] tDCS can slightly boost the acute effects of the Interferential Current Stimulation on the swallowing reflex in healthy subjects.2023

    • Author(s)
      Kikuo Ota, Taiga Nishiwaki, Yohei Otaka
    • Organizer
      The 4th Japan-Taiwan-Korea Neurorehabilitation Conference
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 上喉頭神経干渉波刺激がRSSTに与える影響‐B4Sを用いた検討‐2022

    • Author(s)
      太田喜久夫、小川真央、粟飯原けい子、稲本陽子、浅野路子、飯田 操
    • 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] 上喉頭神経干渉波刺激がRSSTに与える影響- B4Sを用いた検討2022

    • Author(s)
      太田喜久夫、小川真央、豊岡達志、飯田操、浅田路子
    • 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
      2021 Research-status Report
  • [Presentation] The short and long term effects of Interferential Current Stimulation in two bulbar palsy patients.2021

    • Author(s)
      Kikuo Ota, Mao Ogawa, Hitoshi Iwata, Misao Iida, Michiko Asano
    • Organizer
      2nd World Dysphagia Summit
    • Related Report
      2021 Research-status Report
    • Int'l Joint Research
  • [Presentation] The short and long term effects of Interferential Current Stimulation in two bulbar palsy patients.2021

    • Author(s)
      Kikuo Ota
    • Organizer
      2nd World Dysphagia Summit
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research
  • [Presentation] 上喉頭神経干渉波刺激の効果検証の試み2019

    • Author(s)
      太田喜久夫、松浦広昂、浅野路子、飯田 操
    • Organizer
      日本摂食嚥下リハビリテーション学会
    • Related Report
      2019 Research-status Report
  • [Presentation] 脳幹梗塞による球麻痺の嚥下動態の検討:VF-pharyngeal air spaceを用いた咽頭収縮指標について2019

    • Author(s)
      浅野路子、太田喜久夫、松浦広昂、飯田 操
    • Organizer
      日本摂食嚥下リハビリテーション学会
    • Related Report
      2019 Research-status Report
  • [Presentation] 失語症に対するtranscranial direct current stimulation(t-DCS)効果の検討2018

    • Author(s)
      太田喜久夫
    • Organizer
      第7回日本ニューロリハビリテーション学会学術集会
    • Related Report
      2018 Research-status Report
  • [Presentation] transcranial direct current stimulation(t-DCS)に手指伸展支援型低周波刺激を併用した治療訓練の試み2018

    • Author(s)
      堀切里美、太田喜久夫
    • Organizer
      第7回日本ニューロリハビリテーション学会学術集会
    • Related Report
      2018 Research-status Report
  • [Presentation] VF画像による食道への空気輸送所見とPASとの関連について2018

    • Author(s)
      太田喜久夫、小野木啓子、稲本陽子
    • Organizer
      第24回日本摂食嚥下リハビリテーション学会学術大会
    • Related Report
      2018 Research-status Report
  • [Presentation] 嚥下動態に影響する姿勢 体位効果を利用した嚥下リハビリテーション2018

    • Author(s)
      太田喜久夫
    • Organizer
      第55回日本リハビリテーション医学会学術集会
    • Related Report
      2018 Research-status Report
    • Invited
  • [Presentation] 拡散テンソル画像を使用した脳卒中症例に対するt-DCS療法の適応判断の検討2018

    • Author(s)
      栗田英治、太田喜久夫
    • Organizer
      第55回日本リハビリテーション医学会学術集会
    • Related Report
      2018 Research-status Report
  • [Presentation] Correlation between the quality of life after brain injury in japanese version;QOLIBRI-J and Community integration questionnaire; CIQ2018

    • Author(s)
      Kikuo Ota, Megumi Suzuki, Mariko Naitoh, Izumi Kondo
    • Organizer
      13th international society of Physical and Rehabilitation Medicine World Congress
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] 唾液とthick liquidにおける反復唾回数の変化‐上喉頭神経干渉電流刺激を用いた検討2018

    • Author(s)
      渡邊晃太 、太田喜久夫、川田竜也
    • Organizer
      第24回日本摂食嚥下リハビリテーション学会学術大会
    • Related Report
      2018 Research-status Report

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Published: 2018-04-23   Modified: 2025-01-30  

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