Results 21 to 30 of about 23,419 (256)
Four-Dimensional Flow MRI of Abdominal Veins: A Systematic Review
Diagnostics, 2021 The aim of this systematic review is to provide an overview of the use of Four-Dimensional Magnetic Resonance Imaging of vector blood flow (4D Flow MRI) in the abdominal veins. This study was composed according to the PRISMA guidelines 2009.
Simon O. Haarbye +3 more
doaj +1 more source
Why 4D Flow MRI? Real Advantages
Magnetic Resonance in Medical Sciences, 2022 This special issue of Magnetic Resonance in Medical Sciences features the most recent reviews on 4D Flow MRI. These reviews deal with the current status of the emerging technique of 4D Flow MRI facilitated in various areas that are difficult to obtain with conventional flowmetry. MR signals inherently contain flow velocity information.
Takehara, Yasuo +2 more
openaire +3 more sources
Scientific Reports, 2022 We propose to synthesize patient-specific 4D flow MRI datasets of turbulent flow paired with ground truth flow data to support training of inference methods.
Pietro Dirix +3 more
doaj +1 more source
4D Flow MRI Applications for Aortic Disease [PDF]
Magnetic Resonance Imaging Clinics of North America, 2015 Aortic disease is routinely monitored with anatomic imaging, but until the recent advent of 3-directional phase contrast MRI (4D) flow, blood flow abnormalities have gone undetected. 4D flow measures aortic hemodynamic markers quickly. Qualitative flow visualization has spurred the investigation of new quantitative markers.
Burris, NS, Hope, MD
openaire +4 more sources
Emerging Applications of Abdominal 4D Flow MRI [PDF]
American Journal of Roentgenology, 2016 Comprehensive assessment of abdominal hemodynamics is crucial for many clinical diagnoses but is challenged by a tremendous complexity of anatomy, normal physiology, and a wide variety of pathologic abnormalities. This article introduces 4D flow MRI as a powerful technique for noninvasive assessment of the hemodynamics of abdominal vascular territories.
Alejandro, Roldán-Alzate +3 more
openaire +2 more sources
A clinician’s guide to understanding aortic 4D flow MRI
Insights into Imaging, 2023 AbstractFour-dimensional flow magnetic resonance imaging is an emerging technique which may play a role in diagnosis and risk-stratification of aortic disease. Some knowledge of flow dynamics and related parameters is necessary to understand and apply this technique in clinical workflows.
Mitch J. F. G. Ramaekers +6 more
openaire +3 more sources
Fluids and Barriers of the CNS, 2021 Background Phase contrast magnetic resonance imaging, PC MRI, is a valuable tool allowing for non-invasive quantification of CSF dynamics, but has lacked adoption in clinical practice for Chiari malformation diagnostics.
Gwendolyn Williams +10 more
doaj +1 more source
Numerical simulation of time-resolved 3D phase-contrast magnetic resonance imaging.
PLoS ONE, 2021 A numerical approach is presented to efficiently simulate time-resolved 3D phase-contrast Magnetic resonance Imaging (or 4D Flow MRI) acquisitions under realistic flow conditions.
Thomas Puiseux +4 more
doaj +1 more source
Frontiers in Physiology, 2023 Introduction: The aim of this study was to characterize the hemodynamics of Fontan patients using both four-dimensional flow magnetic resonance imaging (4D Flow MRI) and computational fluid dynamics (CFD).Methods: Twenty-nine patients (3.5 ± 0.5 years ...
Gyu-Han Lee +5 more
doaj +1 more source
Interactive Virtual Probing of 4D MRI Blood-Flow [PDF]
IEEE Transactions on Visualization and Computer Graphics, 2011 Better understanding of hemodynamics conceivably leads to improved diagnosis and prognosis of cardiovascular diseases. Therefore, an elaborate analysis of the blood-flow in heart and thoracic arteries is essential. Contemporary MRI techniques enable acquisition of quantitative time-resolved flow information, resulting in 4D velocity fields that capture
Roy van Pelt +6 more
openaire +4 more sources