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Mechanism of the development of pancreatitis due to heart failure in dogs and establishment of new treatment methods

Research Project

Project/Area Number 17K08100
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Veterinary medical science
Research InstitutionTokyo University of Agriculture and Technology

Principal Investigator

Fukushima Ryuji  東京農工大学, (連合)農学研究科(研究院), 教授 (10466922)

Co-Investigator(Kenkyū-buntansha) 岸本 海織  東京農工大学, (連合)農学研究科(研究院), 講師 (50588960)
岩永 朋子  鹿児島大学, 共同獣医学部, 助教 (60713287)
三浦 直樹  鹿児島大学, 農水産獣医学域獣医学系, 教授 (80508036)
Project Period (FY) 2017-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2019: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2018: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2017: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Keywords犬 / 心不全 / 膵臓血流 / 膵臓傷害 / 造影超音波検査 / ソナゾイド / ピモベンダン / 膵炎 / 膵腺房細胞 / 犬膵特異的リパーゼ / 病理学的検査 / 膵臓 / ソナゾイド造影超音波検査 / 頻拍誘発性心筋症モデル犬 / 膵臓血流の低下 / 心機能低下 / 頻拍モデル / 心拍出量 / 臓器血流量 / CT灌流画像法 / メカニズム / CT
Outline of Final Research Achievements

A high rate of pancreatitis has been reported in dogs exhibiting heart failure (HF). In the past, the occurrence of pancreatitis has also been reported to accompany reductions in cardiac function in the treatment of humans. Therefore, along with clarifying the mechanism by which HF causes pancreatic cell damage, we aimed to establish a new treatment based on this mechanism. Our results clarified that the reduction in cardiac output and blood pressure in dogs during HF periods causes a reduction in pancreatic blood flow. We have also confirmed that the resulting decrease in zymogen granules in the pancreatic acinar cells is accompanied by the occurrence of cell atrophy. Based on these results, we were able to confirm the maintenance of pancreatic blood flow and a reduction in pathological changes due to the administration of pimobendane. We expect to establish a new method of treatment for pancreatic malfunction on this basis.

Academic Significance and Societal Importance of the Research Achievements

本研究では、犬のみならずヒト心不全患者の予後を左右することになる膵臓障害が、どのようなメカニズムで引き起こされるかを明らかにした。そして、虚血に弱い臓器であり、心不全との関連性が「心腎連関」として広く認知されている腎臓よりも、早期に膵臓の血流が低下することが判明した。これは、心不全治療においても今後は膵臓のケアを十分に行う必要があることを強調している。また、膵臓血流の低下は膵臓の病理学的変化を引き起こすことが判明し、積極的な心不全治療薬(心拍出量ならびに血圧の維持)のを行うことで、膵臓血流の維持と膵臓の病理学的変化の軽減を

Report

(4 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (7 results)

All 2020 2019

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

  • [Journal Article] A Novel Microchip Flow Chamber (Total Thrombus Analysis System) to Assess Canine Hemostasis2020

    • Author(s)
      Iwanaga T, Miura N, Benjamin M Brainard, Marjory B Brooks, Robert Goggs
    • Journal Title

      Frontiers in Veterinary Science, section Veterinary Experimental and Diagnostic Pathology

      Volume: In Press

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Comparison of pancreatic and renal blood flow in a canine tachycardia-induced cardiomyopathy model2020

    • Author(s)
      YOSHIMURA A, OHMORI T, YAMADA S, KAWAGUCHI T, KISHIMOTO M, IWANAGA T, MIURA N, FUKUSHIMA R
    • Journal Title

      Journal of Veterinary Medical Science

      Volume: 82 Issue: 6 Pages: 836-845

    • DOI

      10.1292/jvms.19-0694

    • NAID

      130007866427

    • ISSN
      0916-7250, 1347-7439
    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] 心機能低下に起因した膵臓と腎臓における血流量減少の差異2020

    • Author(s)
      吉村有正, 大森貴裕, 菅野瑛太, 桃井義士, 石井 凌, 伊藤こころ, 福島隆治
    • Organizer
      第111回 日本獣医循環器学会
    • Related Report
      2019 Annual Research Report
  • [Presentation] 頻拍誘発性心筋症モデル犬における心機能低下に伴う膵血流量の減少2019

    • Author(s)
      吉村有正, 大森貴裕, 河口貴恵, 山田修作, 菅野瑛太, 桃井義士, 石井 凌, 伊藤こころ, 福島隆治
    • Organizer
      第110回 日本獣医循環器学会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Evaluation of the Total-Thrombus Analysis System (T-TAS) in dogs at risk of bleeding2019

    • Author(s)
      Iwanaga T, Miura N, Brainard B, Brooks MB, Goggs R
    • Organizer
      VECCS 2019 (25thInternational Veterinary Emargency & Critical Care Symposium)
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 頻拍誘発性心筋症モデル犬を用いた心機能低下に伴う膵血流量の減少について2019

    • Author(s)
      吉村有正、大森貴裕、河口貴恵、山田修作、菅野瑛太、桃井義士、石井 凌、伊藤こころ、福島隆治
    • Organizer
      日本獣医循環器学会
    • Related Report
      2018 Research-status Report
  • [Book] mVm No.178 ピモベンダン先発品から後発薬品へ切り替え後の臨床評価2019

    • Author(s)
      山田修作、福島隆治
    • Total Pages
      4
    • Publisher
      ファームプレス
    • Related Report
      2019 Annual Research Report

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Published: 2017-04-28   Modified: 2021-02-19  

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