ArticleAJNR. American journal of neuroradiology2020
High Spatiotemporal Resolution 4D Flow MRI of Intracranial Aneurysms at 7T in 10 Minutes.
Article in AJNR. American journal of neuroradiology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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Who cites it
22 citing papers in PubMed.
- Detection and characterization of physiological network interactions in pulsatile motion of cranial blood vessels using real-time MRI.Frontiers in network physiology · 2026Article
- Differential hemodynamics between autogenous arteriovenous fistulas in forearm created by modified no-touch technique and conventional surgery: four-dimensional flow magnetic resonance imaging approach.Quantitative imaging in medicine and surgery · 2025Article
- Imaging of Intracranial Aneurysms: A Review of Standard and Advanced Imaging Techniques.Translational stroke research · 2025Review
- Virtual cut flow, an innovative noninvasive 4D ASL MRI biomarker of EIC bypass patency.Neurosurgical review · 2025Article
- Beyond Size: Advanced MRI Breakthroughs in Predicting Intracranial Aneurysm Rupture Risk.Journal of clinical medicine · 2025Review
- Verifying the Accuracy of Hemodynamic Analysis Using High Spatial Resolution 3D Phase-contrast MR Imaging on a 7T MR System: Comparison with a 3T System.Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine · 2025Article
- Generalized Super-Resolution 4D Flow MRI - Using Ensemble Learning to Extend Across the Cardiovascular System.IEEE journal of biomedical and health informatics · 2024Article
- Advancements in Brain Aneurysm Management: Integrating Neuroanatomy, Physiopathology, and Neurosurgical Techniques.Medicina (Kaunas, Lithuania) · 2024Review
- Report from the society of magnetic resonance angiography: clinical applications of 7T neurovascular MR in the assessment of intracranial vascular disease.Journal of neurointerventional surgery · 2024Review
- Observation of intracranial artery and venous sinus hemodynamics using compressed sensing-accelerated 4D flow MRI: performance at different acceleration factors.Frontiers in neuroscience · 2024Article
- Generalized super-resolution 4D Flow MRI-using ensemble learning to extend across the cardiovascular system.ArXiv · 2023Article
- Near-wall hemodynamic parameters quantification in in vitro intracranial aneurysms with 7 T PC-MRI.Magma (New York, N.Y.) · 2023Article
- Comparison of 2D and 4D Flow MRI in Neonates Without General Anesthesia.Journal of magnetic resonance imaging : JMRI · 2023Article
- Motion-corrected 4D-Flow MRI for neurovascular applications.NeuroImage · 2022Article
- Blood Flow Velocity Pulsatility and Arterial Diameter Pulsatility Measurements of the Intracranial Arteries Using 4D PC-MRI.Neuroinformatics · 2022Article
- Whole-Heart 4D Flow MRI for Evaluation of Normal and Regurgitant Valvular Flow: A Quantitative Comparison Between Pseudo-Spiral Sampling and EPI Readout.Journal of magnetic resonance imaging : JMRI · 2022Article
- Quality Control for 4D Flow MR Imaging.Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine · 2022Article
- Influence of Spatial Resolution and Compressed SENSE Acceleration Factor on Flow Quantification with 4D Flow MRI at 3 Tesla.Tomography (Ann Arbor, Mich.) · 2022Article
- Imaging Modalities for Intracranial Aneurysm: More Than Meets the Eye.Frontiers in cardiovascular medicine · 2022Review
- Intracranial Flow Velocity Quantification Using Non-Contrast Four-Dimensional Flow MRI: A Prospective Comparative Study with Transcranial Doppler Ultrasound.Diagnostics (Basel, Switzerland) · 2021Article
Corrections and comments
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
background and purposePatients with intracranial aneurysms may benefit from 4D flow MR imaging because the derived wall shear stress is considered a useful marker for risk assessment and growth of aneurysms. However, long scan times limit the clinical implementation of 4D flow MR imaging. Therefore, this study aimed to investigate whether highly accelerated, high resolution, 4D flow MR imaging at 7T provides reliable quantitative blood flow values in intracranial arteries and aneurysms. MATERIALS AND
methodsWe used pseudospiral Cartesian undersampling with compressed sensing reconstruction to achieve high spatiotemporal resolution (0.5 mm isotropic, ∼30 ms) in a scan time of 10 minutes. We analyzed the repeatability of accelerated 4D flow scans and compared flow rates, stroke volume, and the pulsatility index with 2D flow and conventional 4D flow MR imaging in a flow phantom and 15 healthy subjects. Additionally, accelerated 4D flow MR imaging with high spatiotemporal resolution was acquired in 5 patients with aneurysms to derive wall shear stress.
resultsFlow-rate bias compared with 2D flow was lower for accelerated than for conventional 4D flow MR imaging (0.31 ± 0.13,
conclusionsHighly accelerated high spatiotemporal resolution 4D flow MR imaging at 7T in intracranial arteries and aneurysms provides repeatable and accurate quantitative flow values. Flow rate accuracy is significantly increased compared with conventional 4D flow scans.
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