منابع مشابه
Evaluation of torsion and twist mechanics of the left ventricle in patients with systemic lupus erythematosus
OBJECTIVE Myocardial involvement in systemic lupus erythematosus (SLE) has great importance. The aim of this study is to evaluate the rotation and twisting mechanics of the left ventricle (LV) in patients with SLE. METHODS Forty-three patients fulfilled at least four of the American College of Rheumatology criteria for SLE and 30 individuals as controls were included in the study. SLE disease...
متن کاملTwist measurement of the left ventricle through radial tagging
Methods Short axis radially tagged images were acquired at apical and basal levels in 6 healthy subjects. Contouring LV epicardial and endocardial borders is the only user interaction in the twist extraction process. Applying a proper threshold algorithm over the masked images results in binary images containing easily detectable tags. We tracked the mean position of tags over the cardiac cycle...
متن کاملSex-related Left Ventricle Rotational and Torsional Mechanics by Block Matching Algorithm
Background: The aim of the present study was to evaluate how left ventricular twist and torsion are associated with sex between sex groups of the same age.Materials and Methods: In this analytical study, twenty one healthy subjects were scanned in left ventricle basal and apical short axis views to run the block matching algorithm; instantaneous changes in the base and apex rotation angel...
متن کاملInteraction between Left Ventricle Mechanics and Myocardial Blood Flow
The interaction between coronary circulation and left ventricular mechanics has been studied in animal models as well as investigated in humans. Here we review the results of experimental studies performed at the Institute of Clinical Physiology: the separate contribution of preload and afterload on coronary pressure-flow, pressure-volume and volume-flow relationships; single beat as well as av...
متن کاملsex-related left ventricle rotational and torsional mechanics by block matching algorithm
background: the aim of the present study was to evaluate how left ventricular twist and torsion are associated with sex between sex groups of the same age. materials and methods : twenty one healthy subjects were scanned in left ventricle basal and apical short axis views to run the block matching algorithm; instantaneous changes in the base and apex rotation angels were estimated by this algor...
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ژورنال
عنوان ژورنال: Circulation: Cardiovascular Imaging
سال: 2019
ISSN: 1941-9651,1942-0080
DOI: 10.1161/circimaging.119.009085