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Effect of heat and electric muscle stimulus on endothelial function

Research Project

Project/Area Number 25750208
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Rehabilitation science/Welfare engineering
Research InstitutionSapporo Medical University

Principal Investigator

IWAMOTO Erika  札幌医科大学, 保健医療学部, 助教 (40632782)

Project Period (FY) 2013-04-01 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2014: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2013: ¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
Keywords血管内皮機能 / 電気刺激 / 温熱 / 血流 / 血流依存性血管拡張反応 / 動脈 / 温熱刺激 / 併用刺激 / 順行性血流 / 逆流性血流 / 血管機能 / 非活動部位
Outline of Final Research Achievements

Accumulating evidence suggests that endothelial dysfunction is an early marker for atherosclerosis. Improvement in endothelial function is associated with a decrease in atherosclerotic vascular diseases. The aim of this study was to assess the effects of dry heating, electrical stimulation and the combination of dry heating and electrical stimulation on the endothelial function in the brachial artery. We measured flow-mediated dilation (FMD) as an index of vascular function before and after 30 min of each trial. A combination of dry heating and electrical stimulation significantly increased FMD in the brachial artery. However, no significant changes were observed after only dry heating or electrical stimulation. This study revealed that the combination of dry heating and electrical stimulation is effective in improving conduit vasodilator function.

Report

(3 results)
  • 2014 Annual Research Report   Final Research Report ( PDF )
  • 2013 Research-status Report
  • Research Products

    (14 results)

All 2015 2014 2013 2012

All Journal Article (4 results) (of which Peer Reviewed: 4 results,  Open Access: 1 results,  Acknowledgement Compliant: 1 results) Presentation (10 results)

  • [Journal Article] Flow-mediated dilation in the inactive limb following acute hypoxic exercise.2015

    • Author(s)
      Katayama K., Yamashita S., Iwamoto E., and Ishida K.
    • Journal Title

      Clin Physiol Funct Imaging

      Volume: in press Issue: 1 Pages: 60-69

    • DOI

      10.1111/cpf.12194

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Hypoxic effects on sympathetic vasomotor outflow and blood pressure during exercise with inspiratory resistance2013

    • Author(s)
      Katayama K, Yamashita S, Ishida K, Iwamoto E, Koike T. and Saito M.
    • Journal Title

      Am J Physiol Regul Integr Comp Physiol

      Volume: 304 Issue: 5 Pages: R374-R382

    • DOI

      10.1152/ajpregu.00489.2012

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Journal Article] Retrograde blood flow in the inactive limb is enhanced during constant-load leg cycling in hypoxia2013

    • Author(s)
      Iwamoto E., Katayama K., Yamashita S., Oshida Y. and Ishida K
    • Journal Title

      Eur J Appl Physiol

      Volume: 113 Issue: 10 Pages: 2565-2575

    • DOI

      10.1007/s00421-013-2694-8

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Journal Article] The effect of acute exercise in hypoxia on flow-mediated vasodilation.2012

    • Author(s)
      Katayama K, Fujita O, Iemitsu M, Kawano H, Iwamoto E, Saito M, Ishida K.
    • Journal Title

      Eur J Appl Physiol

      Volume: 113 Issue: 2 Pages: 349-357

    • DOI

      10.1007/s00421-012-2442-5

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Presentation] Effect of continuous and intermittent retrograde blood flow on endothelial function2015

    • Author(s)
      Iwamoto E., Nagaoka R., Neki T., Katayose M.
    • Organizer
      American College of Sports Medicine 62nd Annual Meeting
    • Place of Presentation
      San Diego(アメリカ)
    • Year and Date
      2015-05-26 – 2015-05-30
    • Related Report
      2014 Annual Research Report
  • [Presentation] 運動強度の違いが低酸素環境における非活動肢の逆流性血流に与える影響2014

    • Author(s)
      岩本えりか,片山敬章,石田浩司
    • Organizer
      第69回 日本体力医学会
    • Place of Presentation
      長崎大学文教キャンパス(長崎)
    • Year and Date
      2014-09-19 – 2014-09-21
    • Related Report
      2014 Annual Research Report
  • [Presentation] Exercise intensity affects brachial retrograde blood flow during leg cycling in hypoxia2014

    • Author(s)
      Iwamoto E., Katayama K., Yamashita S., Ishida K.
    • Organizer
      American College of Sports Medicine 61st Annual Meeting
    • Place of Presentation
      Orlando(アメリカ)
    • Year and Date
      2014-05-27 – 2014-05-31
    • Related Report
      2014 Annual Research Report
  • [Presentation] 心肺運動負荷試験による肺高血圧症重症度評価:観血的血行動態指標および左心不全例との比較検討2014

    • Author(s)
      片野唆敏,橋本暁佳,藤戸健史,岩本えりか,根木亨,片寄正樹,土橋和文,三浦哲嗣
    • Organizer
      第78回 日本循環器学会学術集会
    • Place of Presentation
      東京
    • Related Report
      2013 Research-status Report
  • [Presentation] 運動強度の違いが非活動肢の血流パターンに及ぼす影響.2013

    • Author(s)
      岩本えりか,片山敬章,山下晋,押田芳治,石田浩司
    • Organizer
      第68回 日本体力医学会
    • Place of Presentation
      東京
    • Related Report
      2013 Research-status Report
  • [Presentation] 低酸素環境における吸気抵抗の増加が循環応答へ及ぼす影響2013

    • Author(s)
      片山敬章,山下晋,石田浩司,岩本えりか,小池晃彦,齊藤満
    • Organizer
      第68回 日本体力医学会
    • Place of Presentation
      東京
    • Related Report
      2013 Research-status Report
  • [Presentation] 低酸素環境における一過性の有酸素性運動が非活動肢の血管機能に及ぼす影響2013

    • Author(s)
      山下晋,片山敬章,岩本えりか,石田浩司
    • Organizer
      第68回 日本体力医学会
    • Place of Presentation
      東京
    • Related Report
      2013 Research-status Report
  • [Presentation] 胸郭制限トレーニングによる運動時換気亢進の学習効果2013

    • Author(s)
      石田浩司,片山敬章,山下晋,岩本えりか,堀田典夫
    • Organizer
      第68回 日本体力医学会
    • Place of Presentation
      東京
    • Related Report
      2013 Research-status Report
  • [Presentation] Hypoxia augments the oscillatory blood flow pattern in the nonworking limb during incremental exercise2013

    • Author(s)
      Iwamoto E., Katayama K., Yamashita S., Katayose M., Oshida Y., Ishida K.
    • Organizer
      American College of Sports Medicine 60th Annual Meeting
    • Place of Presentation
      Indianapolis, USA
    • Related Report
      2013 Research-status Report
  • [Presentation] Effects of inspiratory resistive breathing in hypoxia on sympathetic outflow and blood pressure during exercise2013

    • Author(s)
      Katayama K., Yamashita S., Iwamoto E., Ishida K., Koike T., Saito M.
    • Organizer
      American College of Sports Medicine 60th Annual Meeting
    • Place of Presentation
      Indianapolis, USA
    • Related Report
      2013 Research-status Report

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Published: 2014-07-25   Modified: 2019-07-29  

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