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Development of Epilepsy Surgery in Small Animal Veterinary Medicine

Research Project

Project/Area Number 17H01507
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section一般
Research Field Veterinary medical science
Research InstitutionNippon Veterinary and Life Science University

Principal Investigator

Hasegawa Daisuke  日本獣医生命科学大学, 獣医学部, 教授 (20366793)

Co-Investigator(Kenkyū-buntansha) 内田 和幸  東京大学, 大学院農学生命科学研究科(農学部), 准教授 (10223554)
北川 勝人  日本大学, 生物資源科学部, 教授 (50409067)
齋藤 弥代子  麻布大学, 獣医学部, 准教授 (80367242)
Project Period (FY) 2017-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥42,380,000 (Direct Cost: ¥32,600,000、Indirect Cost: ¥9,780,000)
Fiscal Year 2021: ¥5,720,000 (Direct Cost: ¥4,400,000、Indirect Cost: ¥1,320,000)
Fiscal Year 2020: ¥11,180,000 (Direct Cost: ¥8,600,000、Indirect Cost: ¥2,580,000)
Fiscal Year 2019: ¥5,330,000 (Direct Cost: ¥4,100,000、Indirect Cost: ¥1,230,000)
Fiscal Year 2018: ¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2017: ¥15,210,000 (Direct Cost: ¥11,700,000、Indirect Cost: ¥3,510,000)
Keywordsてんかん外科 / 難治性てんかん / 犬 / 猫 / てんかん原性領域 / 脳梁離断術 / 迷走神経刺激療法 / てんかん / 獣医臨床 / 脳波 / MRI / 獣医学 / 外科 / 脳神経疾患 / 臨床 / トランスレーショナルリサーチ
Outline of Final Research Achievements

In order to introduce “epilepsy surgery” as a new treatment option for drug-resistant epilepsy (DRE) into small animal veterinary medicine, this research performed several basic experimental studies and a clinical trial of epilepsy surgery in client-owned dogs and cats with DRE. In the basic studies, we established some surgical procedures available in dogs and cats, and also found new research subjects essential for future studies. In the clinical trial, 12 canine and feline patients with DRE underwent appropriate epilepsy surgery and were observed for more than 1 year. Unfortunately, 3 patients died after surgery, however, all remaining 9 patients showed a good seizure outcome (>50% seizure reduction) and improvement in mental and behavioral activities, i.e., increased QOL both of patients and clients. We believe that these results completed the original mission of this research project, which introduce epilepsy research into veterinary medicine.

Academic Significance and Societal Importance of the Research Achievements

獣医療においててんかん外科は全く行われておらず、難治性てんかんに罹患した犬猫および飼い主は不幸な結果ばかりであったが、本研究により獣医療でもてんかん外科が実施可能かつ有効な治療選択になり得ることが示されたことは、獣医学術的にも、飼い主の福祉的にも大変意義深いものと考えられる。また国際的にも獣医てんかん外科のイニシアチブを獲得できたこと、間接的に人医学との双方向性のある研究課題へと昇華しうる方向性が示せたことは、この分野がさらに発展し、近い将来より大きな研究成果をあげることが期待できる。

Report

(6 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Annual Research Report
  • 2019 Annual Research Report
  • 2018 Annual Research Report
  • 2017 Annual Research Report
  • Research Products

    (30 results)

All 2022 2021 2020 2019 2018

All Journal Article (11 results) (of which Peer Reviewed: 11 results,  Open Access: 10 results) Presentation (19 results) (of which Int'l Joint Research: 5 results,  Invited: 12 results)

  • [Journal Article] A case of feline temporal lobe epilepsy with hippocampal sclerosis and dentate gyrus malformation2022

    • Author(s)
      CHAMBERS James K.、IWASAKI Shinya、IMAMOTO Shigeki、NAKAMOTO Yuya、UCHIDA Kazuyuki
    • Journal Title

      Journal of Veterinary Medical Science

      Volume: 84 Issue: 5 Pages: 634-637

    • DOI

      10.1292/jvms.22-0006

    • ISSN
      0916-7250, 1347-7439
    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Detection of generalized tonic-clonic seizures in dogs with a seizure detection system established using acceleration data and the Mahalanobis distance: A preliminary study2022

    • Author(s)
      Hirashima Junya、Saito Miyoko、Kuriyama Tsukasa、Akamatsu Taketo、Yokomori Minoru
    • Journal Title

      Frontiers in Veterinary Science

      Volume: -

    • DOI

      10.3389/fvets.2022.848604

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Case Report: 1-Year Follow-Up of Vagus Nerve Stimulation in a Dog With Drug-Resistant Epilepsy2021

    • Author(s)
      Hirashima Junya、Saito Miyoko、Igarashi Hirotaka、Takagi Satoshi、Hasegawa Daisuke
    • Journal Title

      Frontiers in Veterinary Science

      Volume: 8

    • DOI

      10.3389/fvets.2021.708407

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Focal Cortical Resection and Hippocampectomy in a Cat With Drug-Resistant Structural Epilepsy2021

    • Author(s)
      Hasegawa Daisuke、Asada Rikako、Hamamoto Yuji、Yu Yoshihiko、Kuwabara Takayuki、Mizoguchi Shunta、Chambers James K.、Uchida Kazuyuki
    • Journal Title

      Frontiers in Veterinary Science

      Volume: 8

    • DOI

      10.3389/fvets.2021.719455

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Case Report: Corpus Callosotomy in a Cat With Drug-Resistant Epilepsy of Unknown Cause2021

    • Author(s)
      Hasegawa Daisuke、Asada Rikako、Mizuno Satoshi、Yu Yoshihiko、Hamamoto Yuji、Kanazono Shinichi
    • Journal Title

      Frontiers in Veterinary Science

      Volume: 8

    • DOI

      10.3389/fvets.2021.745063

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Ventrolateral temporal lobectomy in normal dogs as a counterpart to human anterior temporal lobectomy: a preliminary study on the surgical procedure and complications2021

    • Author(s)
      ASADA Rikako、HAMAMOTO Yuji、YU Yoshihiko、MIZUNO Satoshi、CHAMBERS James K.、UCHIDA Kazuyuki、HASEGAWA Daisuke
    • Journal Title

      Journal of Veterinary Medical Science

      Volume: 83 Issue: 10 Pages: 1513-1520

    • DOI

      10.1292/jvms.21-0127

    • NAID

      130008100554

    • ISSN
      0916-7250, 1347-7439
    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Corpus Callosotomy in 3 Cavalier King Charles Spaniel Dogs with Drug-Resistant Epilepsy2021

    • Author(s)
      Asada Rikako、Mizuno Satoshi、Yu Yoshihiko、Hamamoto Yuji、Anazawa Tetsuya、Ito Daisuke、Kitagawa Masato、Hasegawa Daisuke
    • Journal Title

      Brain Sciences

      Volume: 11 Issue: 11 Pages: 1462-1462

    • DOI

      10.3390/brainsci11111462

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Heart rate variavability and electroencephalogram as predictors of the therapeutic outcome of vagus nerve stimulation in dogs with epilepsy: a preliminary study2021

    • Author(s)
      Hirashima Junya、Takagi Miki、Saito Miyoko
    • Journal Title

      Journal of Azabu University

      Volume: 33 Pages: 27-40

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Relationship between interictal epileptiform discharges under medetomidine sedation and clinical seizures in canine idiopathic epilepsy2019

    • Author(s)
      Utsugi Shinichi、Saito Miyoko、Sato Toshikazu、Kunimi Maki
    • Journal Title

      Veterinary Record

      Volume: 5 Issue: 2 Pages: 2018-104947

    • DOI

      10.1136/vr.104947

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Statistical Structural Analysis of Familial Spontaneous Epileptic Cats Using Voxel-Based Morphometry2018

    • Author(s)
      Hamamoto Yuji、Hasegawa Daisuke、Yu Yoshihiko、Asada Rikako、Mizoguchi Shunta、Kuwabara Takayuki、Wada Masae、Fujiwara-Igarashi Aki、Fujita Michio
    • Journal Title

      Frontiers in Veterinary Science

      Volume: 5 Pages: 172-172

    • DOI

      10.3389/fvets.2018.00172

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Effects of chloride in the diet on serum bromide concentrations in dogs2018

    • Author(s)
      Go Togawa, Miyoko Saito, Shinsuke Iwata, Naoyuki Watanabe, Kensuke Orito
    • Journal Title

      International Journal of Applied Research in Veterinary Medicine

      Volume: 16 Pages: 197-202

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] Approach to Epileptic Patients2022

    • Author(s)
      Shinichi Kanazono
    • Organizer
      The 7th Asian Meeting of Animal Medicine Specialties (online)
    • Related Report
      2021 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 犬のてんかんモニタリングシステムの開発と性能評価に関する研究2021

    • Author(s)
      平嶋洵也,齋藤弥代子,栗山史,横森稔,赤松豪士,浅田李佳子,長谷川大輔,藤原幸一
    • Organizer
      獣医神経病学会2021
    • Related Report
      2021 Annual Research Report
  • [Presentation] 難治性てんかんに対し脳梁離断術を実施したキャバリア・キング・チャールズ・スパニエルの3例2021

    • Author(s)
      浅田李佳子,水野郷志,湯祥彦,濱本裕仁,長谷川大輔
    • Organizer
      2021年度日本獣医麻酔外科学会オンライン学術集会
    • Related Report
      2021 Annual Research Report
  • [Presentation] 新しいてんかんの治療 迷走神経刺激術2021

    • Author(s)
      齋藤弥代子
    • Organizer
      日本臨床獣医学フォーラム第23回年次大会
    • Related Report
      2021 Annual Research Report
    • Invited
  • [Presentation] パネルディスカッション てんかんの内科および外科治療 2.迷走神経刺激術2021

    • Author(s)
      齋藤弥代子
    • Organizer
      第42回動物臨床医学会年次大会
    • Related Report
      2021 Annual Research Report
    • Invited
  • [Presentation] パネルディスカッション てんかんの内科および外科治療 3.脳梁離断術2021

    • Author(s)
      長谷川大輔
    • Organizer
      第42回動物臨床医学会年次大会
    • Related Report
      2021 Annual Research Report
    • Invited
  • [Presentation] 難治性てんかん患者に対する新しい治療の試み2020

    • Author(s)
      長谷川大輔,齋藤弥代子
    • Organizer
      第16回日本獣医内科学アカデミー(JCVIM2020)
    • Related Report
      2020 Annual Research Report
    • Invited
  • [Presentation] 難治性てんかん患者に対する新しい治療の試み12020

    • Author(s)
      長谷川大輔
    • Organizer
      第16回日本獣医内科学アカデミー学術大会(JCVIM2020)
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] 難治性てんかん患者に対する新しい治療の試み22020

    • Author(s)
      齋藤弥代子
    • Organizer
      第16回日本獣医内科学アカデミー学術大会(JCVIM2020)
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] 犬猫の難治性てんかんにおけるてんかん外科2019

    • Author(s)
      長谷川大輔,齋藤弥代子,北川勝人,内田和幸,金園晨一,濱本裕仁,湯祥彦,浅田李佳子,平嶋洵也,伊藤大介,チェンバーズ・ジェームズ
    • Organizer
      獣医神経病学会2019
    • Related Report
      2019 Annual Research Report
    • Invited
  • [Presentation] Epilepsy surgery -cortical resection and hippocampectomy- in a cat with drug-resistant structural epilepsy2019

    • Author(s)
      Daisuke Hasegawa, Rikako Asada, Yoshihiko Yu, Yuji Hamamoto, Shunta Mizoguchi, Takayuki Kuwahara
    • Organizer
      32nd ESVN-ECVN Symposium
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 新たなてんかん治療の模索2019

    • Author(s)
      長谷川大輔
    • Organizer
      FASAVA-TOKYO 2019
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Epilepsy surgery (multiple subpial transection and corpus callosotomy) in a dog with refractory structural epilepsy2019

    • Author(s)
      Asada R, Hamamoto Y, Yu Y, Hasegawa D
    • Organizer
      Asia Meeting of Animal Medicine Specialities 2019
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 迷走神経刺激装置埋め込み術を行った特発性てんかんの犬の1例~刺激調整の実際,脳波・心拍変動の評価~2019

    • Author(s)
      平嶋洵也,齋藤弥代子,長谷川大輔
    • Organizer
      獣医神経病学会2019
    • Related Report
      2019 Annual Research Report
  • [Presentation] Vagus nerve stimulation and 10-month follow-up of a dog with idiopathic epilepsy2019

    • Author(s)
      Saito M, Hirashima J, Hasegawa D
    • Organizer
      Asia Meeting of Animal Medicine Specialities 2019
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] てんかんにおける医学ー獣医学トランスレーショナル研究2018

    • Author(s)
      長谷川大輔
    • Organizer
      第52回日本てんかん学会学術集会
    • Related Report
      2018 Annual Research Report
    • Invited
  • [Presentation] 獣医療における犬と猫のてんかん2018

    • Author(s)
      齋藤弥代子
    • Organizer
      第52回日本てんかん学会学術集会
    • Related Report
      2018 Annual Research Report
    • Invited
  • [Presentation] 加速度を用いた犬のてんかんモニタリングシステムの構築2018

    • Author(s)
      平嶋洵也、齋藤弥代子、藤田幸弘、石原章和、横森稔、栗山吏、赤松豪士
    • Organizer
      第161回日本獣医学会学術集会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 難治性てんかんの治療2018

    • Author(s)
      長谷川大輔
    • Organizer
      第14回日本獣医内科学アカデミー
    • Related Report
      2017 Annual Research Report
    • Invited

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Published: 2017-04-28   Modified: 2023-01-30  

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