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 …

Blood flow in arteries

DN Ku - Annual review of fluid mechanics, 1997 - annualreviews.org
▪ Abstract Blood flow in arteries is dominated by unsteady flow phenomena. The
cardiovascular system is an internal flow loop with multiple branches in which a complex …

[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 …

Asymmetric redirection of flow through the heart

PJ Kilner, GZ Yang, AJ Wilkes, RH Mohiaddin… - Nature, 2000 - nature.com
Through cardiac looping during embryonic development, paths of flow through the mature
heart have direction changes and asymmetries whose topology and functional significance …

Heart valve function: a biomechanical perspective

MS Sacks, AP Yoganathan - … Transactions of the Royal …, 2007 - royalsocietypublishing.org
Heart valves (HVs) are cardiac structures whose physiological function is to ensure directed
blood flow through the heart over the cardiac cycle. While primarily passive structures that …

Characterization and quantification of vortex flow in the human left ventricle by contrast echocardiography using vector particle image velocimetry

GR Hong, G Pedrizzetti, G Tonti, P Li, Z Wei… - JACC: Cardiovascular …, 2008 - jacc.org
Objectives: The aims of this study were to: 1) assess the feasibility of left ventricular (LV)
vortex flow analysis using contrast echocardiography (CE); and 2) characterize and quantify …

Emerging trends in CV flow visualization

PP Sengupta, G Pedrizzetti, PJ Kilner… - JACC: Cardiovascular …, 2012 - jacc.org
Blood flow patterns are closely linked to the morphology and function of the cardiovascular
system. These patterns reflect the exceptional adaptability of the cardiovascular system to …

Magnetic resonance images lipid, fibrous, calcified, hemorrhagic, and thrombotic components of human atherosclerosis in vivo

JF Toussaint, GM LaMuraglia, JF Southern, V Fuster… - Circulation, 1996 - Am Heart Assoc
Background Although MRI can discriminate the lipid core from the collagenous cap of
atherosclerotic lesions in vitro with T2 contrast, it has not yet produced detailed in vivo …

Optimal vortex formation as a unifying principle in biological propulsion

JO Dabiri - Annual review of fluid mechanics, 2009 - annualreviews.org
I review the concept of optimal vortex formation and examine its relevance to propulsion in
biological and bio-inspired systems, ranging from the human heart to underwater vehicles …

The future of transcatheter mitral valve interventions: competitive or complementary role of repair vs. replacement?

F Maisano, O Alfieri, S Banai, M Buchbinder… - European heart …, 2015 - academic.oup.com
Transcatheter mitral interventions has been developed to address an unmet clinical need
and may be an alternative therapeutic option to surgery with the intent to provide …