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Development of fused evaluation method based on physical and biological approach in atherosclerotic plaque

Research Project

Project/Area Number 17K09065
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Medical Physics and Radiological Technology
Research InstitutionThe University of Tokushima

Principal Investigator

KANAZAWA Yuki  徳島大学, 大学院医歯薬学研究部(医学域), 助教 (80714013)

Co-Investigator(Kenkyū-buntansha) 宮地 利明  金沢大学, 保健学系, 教授 (80324086)
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: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2017: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Keywords磁気共鳴画像(MRI) / アテローム性動脈硬化 / 脂質異常 / 緩和時間 / 化学交換 / 物性 / 分子イメージング / Atherosclerotic Plaque / UTE / CEST / MRI / CEST効果 / APT / 定量評価 / MT効果 / NOE / B1 / B0 / タンパク質 / 脂質 / 石灰化 / UTEイメージング / 緩和時間計測 / 解析・評価 / 核磁気共鳴画像 / 循環器・高血圧 / 物理学
Outline of Final Research Achievements

The purpose of this study was to investigate the mechanism and histological characteristics of atherosclerotic plaque using a magnetic resonance imaging (MRI). We developed two assessment method; visualization and quantification of lipid rich necrotic core using relaxation time measurement; quantitative analysis of chemical exchange saturation transfer effect on metabolites using mathematical model. Then, we applied them to clinical cases. For characteristics of atherosclerotic plaque, the physical and biological assessments make it possible to obtain more detailed information and predict risk of plaque rupture.

Academic Significance and Societal Importance of the Research Achievements

アテローム硬化症に伴う血管壁プラークは,形成の段階によって様々な組成(脂質,出血,繊維化,石灰化)を有し,脳梗塞や心筋梗塞などの虚血性疾患の原因となり得る剥離リスクのあるプラークを検出することは極めて重要である.一般的なMRIを使用して,ヒト生体内プラークの物性と代謝物変化の情報を取得することに成功した.この手法は,非侵襲的かつ簡便に高精度の不安定プラーク診断が可能となり,治療方針を決定する上で重要なバイオマーカーとなる可能性を示すことができた.そして,血管塞栓を未然に防ぐことによって,脳梗塞・心筋梗塞による死亡率を下げることが期待できる.

Report

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

    (19 results)

All 2020 2019 2018 2017 Other

All Int'l Joint Research (1 results) Journal Article (3 results) (of which Peer Reviewed: 3 results) Presentation (12 results) (of which Int'l Joint Research: 10 results) Book (1 results) Remarks (1 results) Funded Workshop (1 results)

  • [Int'l Joint Research] GE Healthcare(米国)

    • Related Report
      2018 Research-status Report
  • [Journal Article] Appropriate echo time selection for quantitative susceptibility mapping2019

    • Author(s)
      Kanazawa Yuki、Matsumoto Yuki、Harada Masafumi、Hayashi Hiroaki、Matsuda Tsuyoshi、Otsuka Hideki
    • Journal Title

      Radiological Physics and Technology

      Volume: - Issue: 2 Pages: 185-193

    • DOI

      10.1007/s12194-019-00513-x

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Journal Article] <i>B</i><sub>1</sub> Power Optimization for Chemical Exchange Saturation Transfer Imaging: A Phantom Study Using Egg White for Amide Proton Transfer Imaging Applications in the Human Brain2018

    • Author(s)
      7.Yuki Kanazawa, Yasutaka Fushimi, Naotaka Sakashita, Tomohisa Okada, Yoshiki Arakawa, Mitsue Miyazaki
    • Journal Title

      Magnetic Resonance in Medical Sciences

      Volume: 17 Issue: 1 Pages: 86-94

    • DOI

      10.2463/mrms.tn.2016-0069

    • NAID

      130006306801

    • ISSN
      1347-3182, 1880-2206
    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Journal Article] Development of Correction for Signal-to-Noise Ratio Using a T2* With Improved Phase Method2018

    • Author(s)
      Ikemitsu Natsuki, Kanazawa Yuki, Matsumoto Yuki, Sasaki Tosiaki, Hayashi Hiroaki, Miyoshi Mitsuharu, Harada Masafumi
    • Journal Title

      Journal of Computer Assisted Tomography

      Volume: 42 Issue: 1 Pages: 117-123

    • DOI

      10.1097/rct.0000000000000644

    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Presentation] Thermal sensitive pH imaging using CEST2019

    • Author(s)
      Yuki Kanazawa, Chiba Daiki, Masafumi Harada, Miyati Tosiaki, Miyoshi Mitsuharu, Hiroaki Hayashi, Yuki Matsumoto, Takashi Abe and Akihiro Haga
    • Organizer
      27th Annual Meeting of ISMRM
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Chemical exchange saturation transfer imaging depending on several neurodegenerative diseases at 3T2019

    • Author(s)
      Yuki Matsumoto, Masafumi Harada, Yuki Kanazawa, Takashi Abe, Maki Ohtomo, Taniguchi Yo, Ono Masaharu and Bito Yoshitaka
    • Organizer
      27th Annual Meeting of ISMRM
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Nuclear Overhauser enhancement effect of low B1 power CEST RF in human brain at 3.0 T2018

    • Author(s)
      Yuki Kanazawa, Masafumi Harada, Mitsuharu Miyoshi, Ikuho Kosaka, Kotaro Baba, Hiroaki Hayashi and Yuki Matsumoto
    • Organizer
      ISMRM 26th Annual Meeting
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] T1 dependency of magnetization transfer effect in human brain2018

    • Author(s)
      Yuki Kanazawa, Toshiaki Sasaki, Hiroaki Hayashi, Kotaro Baba, Ikuho Kosaka, Yuki Matsumoto, Mitsuharu Miyoshi and Masafumi Harada
    • Organizer
      ISMRM 26th Annual Meeting
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Does the amount of signal change depend on calcium concentration in lipid-rich core plaque?2018

    • Author(s)
      Yuki Kanazawa, Kotaro Baba, Tosiaki Miyati, Masafumi Harada, Hiroaki Hayashi, Ikuho Kosaka, Mitsuharu Miyoshi, Michael Carl and Yuki Matsumoto
    • Organizer
      ISMRM 26th Annual Meeting
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Chemical exchange saturation transfer imaging for neurodegenerative diseases2018

    • Author(s)
      Yuki Matsumoto, Masafumi Harada, Yuki Kanazawa, Maki Ohtomo and Mitsuharu Miyoshi
    • Organizer
      ISMRM 26th Annual Meeting
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] CESTイメージングにおける局所オフセット周波数の定量評価法の開発2018

    • Author(s)
      千葉 大輝, 金澤 裕樹, 金城 佑奎, 長澤 良子, 三好 光晴, 林 裕晃, 原田 雅史, 芳賀 昭弘
    • Organizer
      第46回日本放射線技術学会秋季学術大会
    • Related Report
      2018 Research-status Report
  • [Presentation] Which is More Important for Quantitative Susceptibility Mapping? SNR of Phase vs Spin Dephasing2017

    • Author(s)
      Matsumoto Y, Kanazawa Y, Hayashi H, Sasaki T, Ikemitsu N, Miyoshi M, Harada M, Otsuka H
    • Organizer
      The 103th RSNA Meeting
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] Baseline of Chemical Exchange Saturation Transfer Imaging for Brain2017

    • Author(s)
      Kanazawa Y, Harada M, Miyoshi M, Matsumoto Y, Hayashi H, Sasaki T, Ikemitsu N
    • Organizer
      The 25th Annual Meeting of ISMRM
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] Dura Mater imaging with UTE T2* Mapping2017

    • Author(s)
      Kanazawa Y, Harada M, Miyoshi M, Matsumoto Y, Hayashi H, Sasaki T, Ikemitsu N, Carl M
    • Organizer
      The 25th Annual Meeting of ISMRM
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] CEST and Binding Water MT Separation in Brain Tumor by Multi Pool Model CEST Peak Extraction Method2017

    • Author(s)
      Miyoshi M , Harada M, Kanazawa Y, Kabasawa H
    • Organizer
      The 25th Annual Meeting of ISMRM
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] lipid-rich-core プラークの物性に着目したマルチコンポーネント解析MRI2017

    • Author(s)
      馬場 幸太郎, 金澤 裕樹, 幸坂 育歩, 松元 友暉, 林 裕晃, 原田 雅史
    • Organizer
      第45回日本放射線技術学会秋季学術大会
    • Related Report
      2017 Research-status Report
  • [Book] 画像診断2020年2月号 Vol.40 No.22020

    • Author(s)
      画像診断実行編集委員会
    • Total Pages
      120
    • Publisher
      学研メディカル秀潤社
    • ISBN
      9784780905250
    • Related Report
      2019 Annual Research Report
  • [Remarks] 徳島大学/研究者総覧,金澤 裕樹

    • URL

      http://pub2.db.tokushima-u.ac.jp/ERD/person/277588/work-ja.html

    • Related Report
      2017 Research-status Report
  • [Funded Workshop] The 103th RSNA Meeting2017

    • Related Report
      2017 Research-status Report

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

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