Results 71 to 80 of about 266,397 (338)

Mechanisms of myocardium-coronary vessel interaction

open access: yesAmerican Journal of Physiology-Heart and Circulatory Physiology, 2010
The mechanisms by which the contracting myocardium exerts extravascular forces (intramyocardial pressure, IMP) on coronary blood vessels and by which it affects the coronary flow remain incompletely understood. Several myocardium-vessel interaction (MVI) mechanisms have been proposed, but none can account for all the major flow features.
Dotan, Algranati   +2 more
openaire   +3 more sources

Automated quantification and evaluation of motion artifact on coronary CT angiography images [PDF]

open access: yes, 2018
Purpose This study developed and validated a Motion Artifact Quantification algorithm to automatically quantify the severity of motion artifacts on coronary computed tomography angiography (CCTA) images. The algorithm was then used to develop a Motion IQ
Baginski, Scott G.   +6 more
core   +1 more source

Coronary Artery Centerline Extraction in Cardiac CT Angiography Using a CNN-Based Orientation Classifier

open access: yes, 2018
Coronary artery centerline extraction in cardiac CT angiography (CCTA) images is a prerequisite for evaluation of stenoses and atherosclerotic plaque. We propose an algorithm that extracts coronary artery centerlines in CCTA using a convolutional neural ...
Išgum, Ivana   +4 more
core   +1 more source

Impact of incomplete percutaneous revascularization in patients With multivessel coronary artery disease: a systematic review and meta-analysis [PDF]

open access: yes, 2016
Background: Up to half of patients undergoing percutaneous coronary intervention have multivessel coronary artery disease (MVD) with conflicting data regarding optimal revascularization strategy in such patients.
Bagur, Rodrigo   +12 more
core   +2 more sources

Drug‐Free Thrombolysis Mediated by Physically Activated Micro/Nanoparticles

open access: yesAdvanced Functional Materials, EarlyView.
Overview of particle‐mediated thrombolytic effects (thermal, mechanical, and chemical) and their activating physical stimuli (light, ultrasound, and magnetic field) in drug‐free thrombolysis. ABSTRACT Thrombus‐associated disorders rank among the world's leading causes of death, with ischemic heart disease and stroke as the main contributors.
Pierre Sarfati   +2 more
wiley   +1 more source

New insights about the lymphatic vasculature in cardiovascular diseases [version 1; peer review: 2 approved]

open access: yesF1000Research, 2019
The heart contains a complex network of blood and lymphatic vessels. The coronary blood vessels provide the cardiac tissue with oxygen and nutrients and have been the major focus of research for the past few decades.
Xiaolei Liu, Guillermo Oliver
doaj   +1 more source

Plasma‐Polymerized Nanoparticles Presenting Fibrillin‐1 Drive Rapid Re‐Endothelialization of Vascular Grafts

open access: yesAdvanced Healthcare Materials, EarlyView.
Commercial vascular grafts are made from ePTFE, a highly hydrophobic, foreign material that fails at a high rate in small‐diameter applications. Plasma polymer nanoparticles (PPN) are a versatile material functionalisation tool, used here to present fibrillin‐1 fragment PF8 on the graft surface.
Bob S. L. Lee   +9 more
wiley   +1 more source

Underuse of coronary revascularization procedures in patients considered appropriate candidates for revascularization. [PDF]

open access: yes, 2001
Background: Ratings by an expert panel of the appropriateness of treatments may offer better guidance for clinical practice than the variable decisions of individual clinicians, yet there have been no prospective studies of clinical outcomes. We compared
Banerjee, S   +9 more
core   +1 more source

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