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2023 Fiscal Year Final Research Report

Development of a diagnotic method based on cerebospinal fluid dynamics assessment using ultra high field magnetic resonance imaging

Research Project

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Project/Area Number 19K08235
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 InstitutionIwate Medical University

Principal Investigator

Fujiwara Shunrou  岩手医科大学, 薬学部, 講師 (60405842)

Co-Investigator(Kenkyū-buntansha) 吉岡 芳親  大阪大学, 大学院生命機能研究科, 特任教授(常勤) (00174897)
和田 司  岩手医科大学, 医学部, 特任准教授 (00275570)
別府 高明  岩手医科大学, 医学部, 教授 (70275543)
Project Period (FY) 2019-04-01 – 2022-03-31
KeywordsMRI / DWI / cerebrospinal fluid / brain / cerebral ischemia / glymphatic system / glymphatic pathway
Outline of Final Research Achievements

This study has aimed to develop a diagnotic method based on cerebospinal fluid (CSF) dynamics assessment using ultra high field magnetic resonance imaging for clarifying the relation between the glymphatic system and the pathological states in the brain. Finally, we could three-dimensionally visualize CSF dynamics in healthy subjects and patients with chronic ischemia. Then, we approved that the mathematical higher-order function were better than the previous function for quantitatively representing the drastic CSF movement in the anatomical space of the brain like the subarachnoid space, ventricles and cisterns..

Free Research Field

MRI

Academic Significance and Societal Importance of the Research Achievements

脳内における新たな脳脊髄液経路の存在が提唱されたことより、これまで詳細が不明であった病態との関連を明らかにするための研究が多く開始された。その一方で、理論的背景を無視した計測手法が氾濫し始めた。本研究で開発された手法は、1)計測された信号の理論的背景に基づく可視化、2)定量値推定関数の検証の2点から精度保証されているため、今後、同様の手法を用いた病態解析における基準となることが期待される。

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Published: 2025-01-30  

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