ArticleNMR in biomedicine2023
Concurrent measurement of perfusion parameters related to small blood vessels and cerebrospinal fluid circulation in the human brain using dynamic dual-spin-echo perfusion MRI.
Article in NMR in biomedicine, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Dynamic MRI of Fluid and Solute Transportation across the Arachnoid Barrier in the Human Meninges.Radiology · 2026Article
- Imaging the distribution and drainage of fluid in the human olfactory regions using intravenous Gadolinium-based contrast agents (GBCA) enhanced MRI.Fluids and barriers of the CNS · 2025Article
- The parasagittal dural space of the human brain.Brain : a journal of neurology · 2025Review
- The glymphatic system in Huntington's disease.Journal of Huntington's disease · 2025Review
- Review
- Diffusion magnetic resonance imaging of cerebrospinal fluid dynamics: Current techniques and future advancements.NMR in biomedicine · 2024Review
- Exploring neurodegenerative disorders using advanced magnetic resonance imaging of the glymphatic system.Frontiers in psychiatry · 2024Review
- Neurofluids and the glymphatic system: anatomy, physiology, and imaging.The British journal of radiology · 2023Review
Corrections and comments
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Authors and funding
10 authors.
Funding
Abstract
Accumulating evidence from recent studies has indicated the importance of studying the interaction between the microvascular and lymphatic systems in the brain. To date, most imaging methods can only measure blood or lymphatic vessels separately, such as dynamic susceptibility contrast (DSC) MRI for blood vessels and DSC MRI-in-the-cerebrospinal fluid (CSF) (cDSC MRI) for lymphatic vessels. An approach that can measure both blood and lymphatic vessels in a single scan offers advantages such as a halved scan time and contrast dosage. This study attempts to develop one such approach by optimizing a dual-echo turbo-spin-echo sequence, termed "dynamic dual-spin-echo perfusion (DDSEP) MRI". Bloch simulations were performed to optimize the dual-echo sequence for the measurement of gadolinium (Gd)-induced blood and CSF signal changes using a short and a long echo time, respectively. The proposed method furnishes a T1-dominant contrast in CSF and a T2-dominant contrast in blood. MRI experiments were performed in healthy subjects to evaluate the dual-echo approach by comparing it with existing separate methods. Based on simulations, the short and long echo time were chosen around the time when blood signals show maximum difference between post- and pre-Gd scans, and the time when blood signals are completely suppressed, respectively. The proposed method showed consistent results in human brains as previous studies using separate methods. Signal changes from small blood vessels occurred faster than from lymphatic vessels after intravenous Gd injection. In conclusion, Gd-induced signal changes in blood and CSF can be detected simultaneously in healthy subjects with the proposed sequence. The temporal difference in Gd-induced signal changes from small blood and lymphatic vessels after intravenous Gd injection was confirmed using the proposed approach in the same human subjects. Results from this proof-of-concept study will be used to further optimize DDSEP MRI in subsequent studies.
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