4D flow MRI

M Markl, A Frydrychowicz, S Kozerke… - Journal of Magnetic …, 2012 - Wiley Online Library
Traditionally, magnetic resonance imaging (MRI) of flow using phase contrast (PC) methods
is accomplished using methods that resolve single‐directional flow in two spatial …

[HTML][HTML] Comprehensive 4D velocity mapping of the heart and great vessels by cardiovascular magnetic resonance

M Markl, PJ Kilner, T Ebbers - Journal of Cardiovascular Magnetic …, 2011 - Elsevier
Background Phase contrast cardiovascular magnetic resonance (CMR) is able to measure
all three directional components of the velocities of blood flow relative to the three spatial …

Bicuspid aortic cusp fusion morphology alters aortic three-dimensional outflow patterns, wall shear stress, and expression of aortopathy

R Mahadevia, AJ Barker, S Schnell, P Entezari… - Circulation, 2014 - Am Heart Assoc
Background—Aortic 3-dimensional blood flow was analyzed to investigate altered
ascending aorta (AAo) hemodynamics in bicuspid aortic valve (BAV) patients and its …

[HTML][HTML] Aortic flow patterns and wall shear stress maps by 4D-flow cardiovascular magnetic resonance in the assessment of aortic dilatation in bicuspid aortic valve …

JΩF Rodríguez-Palomares, L Dux-Santoy… - Journal of …, 2018 - Elsevier
Background In patients with bicuspid valve (BAV), ascending aorta (AAo) dilatation may be
caused by altered flow patterns and wall shear stress (WSS). These differences may explain …

Bicuspid aortic valve: four-dimensional MR evaluation of ascending aortic systolic flow patterns

MD Hope, TA Hope, AK Meadows, KG Ordovas… - Radiology, 2010 - pubs.rsna.org
Purpose To use time-resolved three-dimensional phase-contrast magnetic resonance (MR)
imaging, also called four-dimensional flow MR imaging, to evaluate systolic blood flow …

Image-based modeling of blood flow and vessel wall dynamics: applications, methods and future directions: Sixth International Bio-Fluid Mechanics Symposium and …

CA Taylor, DA Steinman - Annals of biomedical engineering, 2010 - Springer
The objective of our session at the 2008 International Bio-Fluid Symposium and Workshop
was to review the state-of-the-art in image-based modeling of blood flow, and identify future …

[HTML][HTML] Cardiovascular magnetic resonance phase contrast imaging

KS Nayak, JF Nielsen, MA Bernstein, M Markl… - Journal of …, 2015 - Elsevier
Cardiovascular magnetic resonance (CMR) phase contrast imaging has undergone a wide
range of changes with the development and availability of improved calibration procedures …

[HTML][HTML] Evaluation of 3D blood flow patterns and wall shear stress in the normal and dilated thoracic aorta using flow-sensitive 4D CMR

J Bürk, P Blanke, Z Stankovic, A Barker… - Journal of …, 2012 - Elsevier
Background The purpose of this study was to investigate 3D flow patterns and vessel wall
parameters in patients with dilated ascending aorta, age-matched subjects, and healthy …

[HTML][HTML] Magnetic resonance angiography: current status and future directions

MP Hartung, TM Grist, CJ François - Journal of Cardiovascular Magnetic …, 2011 - Elsevier
With recent improvement in hardware and software techniques, magnetic resonance
angiography (MRA) has undergone significant changes in technique and approach. The …

Mechanistic insight into the physiological relevance of helical blood flow in the human aorta: an in vivo study

U Morbiducci, R Ponzini, G Rizzo, M Cadioli… - … and modeling in …, 2011 - Springer
The hemodynamics within the aorta of five healthy humans were investigated to gain insight
into the complex helical flow patterns that arise from the existence of asymmetries in the …