Results 1 to 10 of about 392,109 (165)
4D-Flow Cardiac Magnetic Resonance Imaging: An 8-Year Clinical Practice Review [PDF]
Reviews in Cardiovascular MedicineFour-dimensional (4D) flow cardiac magnetic resonance (CMR) is an advanced imaging modality that enables comprehensive qualitative and quantitative assessment of blood flow in the three spatial dimensions plus time.
Javier Urmeneta Ulloa +6 more
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Recognition of hemodynamic change at a brief glance in Budd–Chiari syndrome by 4D flow MRI [PDF]
Radiology Case ReportsBudd–Chiari syndrome (BCS) is characterized by obstruction or stenosis of the major hepatic veins or the hepatic inferior vena cava (IVC). A man in his 30s with BCS, presenting with occlusion of the hepatic IVC and the right and left hepatic veins on ...
Minami Kinjo, MD +5 more
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Splanchnic flow analysis in 4D flow MRI: scan-rescan reproducibility of flow and image quality. [PDF]
Abdom Radiol (NY)Abstract Introduction Assessing the splanchnic circulation may increase understanding and guide management of hepatic disorders. The purpose of this study is to evaluate the scan-rescan reproducibility of abdominal 4D Flow MRI in the splanchnic circulation, to assess the reproducibility of ...
Roos PR +3 more
europepmc +4 more sources
Annual Review of Biomedical Engineering, 2020 Magnetic resonance imaging (MRI) has become an important tool for the clinical evaluation of patients with cardiac and vascular diseases. Since its introduction in the late 1980s, quantitative flow imaging with MRI has become a routine part of standard-of-care cardiothoracic and vascular MRI for the assessment of pathological changes in blood flow in ...
Gilles, Soulat +2 more
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Frontiers in Physics, 2022 Purpose: Prospectively-gated Cartesian 4D-flow (referred to as Cartesian-4D-flow) imaging suffers from long TE and intensified flow-related intravoxel-dephasing especially in preclinical ultra-high field MRI.
Ali Nahardani +13 more
doaj +1 more source
Diagnostics, 2021 Four-dimensional (4D) flow magnetic resonance imaging (MRI) allows three-dimensional velocity encoding to measure blood flow in a single scan, regardless of the intracranial artery direction. We compared blood flow velocity quantification by non-contrast
Sam-Yeol Ha +5 more
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Diagnostics, 2021 Assessment of carotid bulb hemodynamics using four-dimensional (4D) flow magnetic resonance imaging (MRI) requires accurate segmentation of recirculation regions that is frequently hampered by limited resolution.
Minh Tri Ngo +5 more
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Fluids, 2021 Although recent advances of four-dimensional (4D) flow magnetic resonance imaging (MRI) has introduced a new way to measure Reynolds stress tensor (RST) in turbulent flows, its measurement accuracy and possible bias have remained to be revealed.
Doohyeon Kim +5 more
doaj +1 more source
Intracardiac Flow at 4D CT: Comparison with 4D Flow MRI [PDF]
Radiology, 2018 Purpose To investigate four-dimensional (4D) flow CT for the assessment of intracardiac blood flow patterns as compared with 4D flow MRI. Materials and Methods This prospective study acquired coronary CT angiography and 4D flow MRI data between February and December 2016 in a cohort of 12 participants (age range, 36-74 years; mean age, 57 years; seven ...
Jonas Lantz +6 more
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Journal of Magnetic Resonance Imaging, 2012 AbstractTraditionally, magnetic resonance imaging (MRI) of flow using phase contrast (PC) methods is accomplished using methods that resolve single‐directional flow in two spatial dimensions (2D) of an individual slice. More recently, three‐dimensional (3D) spatial encoding combined with three‐directional velocity‐encoded phase contrast MRI (here ...
Markl, Michael +4 more
openaire +2 more sources