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Evaluation of Cardiac Sarcoidosis by MRI Strain Analysis Including the Right Ventricle and Right Atrium

Research Project

Project/Area Number 21K07603
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 52040:Radiological sciences-related
Research InstitutionJichi Medical University

Principal Investigator

Manabe Osamu  自治医科大学, 医学部, 准教授 (40443957)

Co-Investigator(Kenkyū-buntansha) 納谷 昌直  北海道大学, 大学病院, 講師 (20455637)
大平 洋  北海道大学, 大学病院, 助教 (20528301)
相川 忠夫  順天堂大学, 医学部, 助教 (20795059)
真鍋 徳子  自治医科大学, 医学部, 教授 (70463742)
Project Period (FY) 2021-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2023: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2022: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2021: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
KeywordsMRI / FDG / PET / 心臓サルコイドーシス
Outline of Research at the Start

心臓MRIのfeature tracking法を用いた心筋ストレイン解析により、心臓サルコイドーシス患者の病態評価を試みる。
具体的には、心臓サルコイドーシス患者の、心筋ストレイン解析を行い、非心臓サルコイドーシス患者や健常者と比較を行う。
また、遅延造影MRI及び18F-FDG PET/CTの定量評価と比較もしくは組み合わせることで心筋ストレイン解析が重症度判定、予後予測に有用かどうかを検討する。

Outline of Final Research Achievements

Myocardial strain analysis using MRI cine images allows for quantitative assessment of myocardial contraction and expansion. We targeted patients suspected of having cardiac sarcoidosis and undergoing cardiac MRI using the feature tracking method. The findings of late gadolinium enhancement (LGE) and abnormal FDG uptake in the heart are both primary indicators for the clinical diagnosis of cardiac sarcoidosis. In patients with sarcoidosis, we confirmed a correlation between global circumferential strain and the findings of late gadolinium enhancement and FDG uptake in cardiac MRI, verifying that it is possible to assess the pathophysiology of cardiac sarcoidosis.

Academic Significance and Societal Importance of the Research Achievements

MRIシネ画像を用いられる心筋ストレイン解析では、心筋の収縮や拡張の程度を定量的に評価することが可能であり、臨床診断の主徴候項目に用いられる、MRIの遅延造影像と18F-FDG PET/CTの指標と比較することで、feature tracking法で得られるストレインの値が心臓サルコイドーシスの評価に有用であることがわかった。

Report

(4 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Research-status Report
  • 2021 Research-status Report
  • Research Products

    (6 results)

All 2024 2023 2022 2021

All Journal Article (4 results) (of which Peer Reviewed: 4 results,  Open Access: 1 results) Presentation (2 results) (of which Invited: 1 results)

  • [Journal Article] Serial assessment of cardiac involvement in sarcoidosis by delayed 18F-fluorodeoxyglucose PET/CT2023

    • Author(s)
      Aikawa Tadao、Manabe Osamu、Ibe Tatsuro、Oyama-Manabe Noriko
    • Journal Title

      Journal of Nuclear Cardiology

      Volume: 未定 Issue: 5 Pages: 2225-2228

    • DOI

      10.1007/s12350-022-03151-w

    • Related Report
      2022 Research-status Report
    • Peer Reviewed
  • [Journal Article] Right ventricular involvement of cardiac sarcoidosis: A comprehensive evaluation using cardiovascular magnetic resonance imaging and positron emission tomography2022

    • Author(s)
      Aikawa Tadao、Ibe Tatsuro、Manabe Osamu、Oyama-Manabe Noriko
    • Journal Title

      Journal of Nuclear Cardiology

      Volume: 29 Issue: 6 Pages: 3593-3595

    • DOI

      10.1007/s12350-021-02655-1

    • Related Report
      2022 Research-status Report 2021 Research-status Report
    • Peer Reviewed
  • [Journal Article] Delayed 18F-fluorodeoxyglucose PET/CT imaging improves detection of cardiac involvement in sarcoidosis2021

    • Author(s)
      Kato Sakura、Aikawa Tadao、Ibe Tatsuro、Manabe Osamu、Oyama-Manabe Noriko
    • Journal Title

      Journal of Nuclear Cardiology

      Volume: - Issue: 1 Pages: 417-419

    • DOI

      10.1007/s12350-021-02815-3

    • Related Report
      2023 Annual Research Report 2022 Research-status Report
    • Peer Reviewed
  • [Journal Article] Advances in diagnostic imaging for cardiac sarcoidosis.2021

    • Author(s)
      Manabe O, Oyama-Manabe N, Aikawa T, Tsuneta S, Tamaki N.
    • Journal Title

      J Clin Med.

      Volume: 10(24) Issue: 24 Pages: 5808-5808

    • DOI

      10.3390/jcm10245808

    • Related Report
      2021 Research-status Report
    • Peer Reviewed / Open Access
  • [Presentation] サルコイドーシス患者におけるMRI心筋ストレイン、遅延造影、及びFDG集積の相関性の検討2024

    • Author(s)
      高橋慶子、真鍋治、相川忠夫、常田 慧徳、真鍋徳子
    • Organizer
      第34回日本心臓核医学会総会・学術大会
    • Related Report
      2023 Annual Research Report
  • [Presentation] 心筋症に対する MRI feature tracking2023

    • Author(s)
      真鍋治
    • Organizer
      第87回日本循環器学会学術総会
    • Related Report
      2022 Research-status Report
    • Invited

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Published: 2021-04-28   Modified: 2025-01-30  

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