Myocardial strain
Magnetic resonance imaging detects significant sex differences in human myocardial strain
... longitudinal strain between men and women using speckle-tracking echocardiography ...tudinal strain to be significantly higher in women but no difference between the sexes in radial strain ...radial ...
11
Circumferential myocardial strain in cardiomyopathy with and without left bundle branch block
... circumferential strain in this population. Methods: We determined myocardial circumferential strain at the basal, mid, and apical ventricular level in 35 subjects (10 with ischemic cardiomyopathy, 15 ...
9
Preliminary clinical study of left ventricular myocardial strain in patients with non-ischemic dilated cardiomyopathy by three-dimensional speckle tracking imaging
... LV strain information, similar to 2D-STE, with less time consuming and good interobserver and intraobserver agreement, and the percentage of segments analyzed with 3D-STE was greater than that with 2D-STE, Nesser ...
9
Value of segmental myocardial strain by 2-dimensional strain echocardiography for assessment of scar area induced in a rat model of myocardial infarction
... post myocardial infarct LV remodeling, the parameters of 2DSE can characterize both the functional and pathologic changes in the underlying ...diastolic strain rates, which closely correlate with ...
8
Early Marker of Myocardial Deformation in Children with Duchenne Muscular Dystrophy Assessed Using Echocardiographic Myocardial Strain Analysis
... that myocardial circumferential dysfunction could occur earlier at all three layers, even with preserved longitudinal func- ...circumferential strain may be caused by the configuration of the LV ...
5
A review of current trends in three-dimensional analysis of left ventricular myocardial strain
... 3D strain components ...longitudinal strain, circumfer- ential strain, and radial strain, 3D strain software pro- vides new deformation parameters, such as area strain and ...
21
Appropriation of the ‘Witch’ Stigma as White Women's Self-Empowerment
... Several study limitations must be considered for careful interpretation of the obtained results. Firstly, all metrics of LV function are dependent on load. To that end, the findings from this study only account for ...
139
Myocardial Layer Specific Strain Analysis in Children with Mitochondrial Disease
... Myocardial strain analysis of the respective cardiac layers is certainly a promising tool with which to detect subtle myocar- dial deterioration before any noticeable decline of cardiac func- tion occurs, ...
7
Review of Journal of Cardiovascular Magnetic Resonance 2014
... In this study, the authors establish and then evaluate a systolic dyssynchrony index (SDI) derived from CMR- based data as a predictor of response to CRT. SSFP and CSPAMM images were performed at 1.5 T prior to CRT and ...
25
A prospective evaluation of cardiovascular magnetic resonance measures of dyssynchrony in the prediction of response to cardiac resynchronization therapy
... of strain measures to predict ...of myocardial strain [13,14], this apparent separation of volume measures of dyssynchrony from strain indices may be explained by the mechanics involved in ...
12
Effects of hyperaemia on left ventricular longitudinal strain in patients with suspected coronary artery disease
... of myocardial infarction on LGE imaging, rest GLS, GLSR and E’ were also corre- lated with the presence of perfusion defects, however, these resting strain parameters did not discriminate between pa- tients ...
9
Subendocardial contractile impairment in chronic ischemic myocardium: assessment by strain analysis of 3T tagged CMR
... than epicardial C-strain in both patients with CAD and controls. Normal contraction is heterogeneous, with subendocardial deformation being markedly greater than subepicardial deformation [1]. Our results agree ...
8
Effects of hyperaemia on left ventricular longitudinal strain in patients with suspected coronary artery disease : A first-pass stress perfusion cardiovascular magnetic resonance imaging study
... of myocardial infarction on LGE imaging, rest GLS, GLSR and E’ were also corre- lated with the presence of perfusion defects, however, these resting strain parameters did not discriminate between pa- tients ...
9
General anesthesia and positive pressure ventilation suppress left and right ventricular myocardial shortening in patients without myocardial disease – a strain echocardiography study
... wall strain and LV GLS, in the present study, as the patients need to be intubated and mechanically ventilated within minutes after induction of ...rived myocardial strain of the LV and ...
8
A novel hierarchical template matching model for cardiac motion estimation
... calculate myocardial strain values using human heart ...radial strain calculated by FFD is affected by regulariation term 27 , whereas HTM does not use regularisation term, and therefore, the ...
12
Comprehensive Cardiovascular magnetic resonance of myocardial mechanics in mice using three dimensional cine DENSE
... The computation of myocardial strain, twist, and torsion was performed offline in MATLAB (Mathworks Inc., Natick, MA, United States), and included segmentation of the myocardium, phase unwrapping and tissue ...
10
Relation of left atrial peak systolic strain with left ventricular diastolic dysfunction and brain natriuretic peptide level in patients presenting with ST-elevation myocardial infarction
... The myocardial systolic (Sm), early diastolic (Em), and late diastolic (Am) velocities were obtained at the septal and lateral mitral annulus by placing a tissue Doppler sam- ple ...
7
Volumetric motion quantification by 3D tissue phase mapped CMR
... In this work, displacements were calculated from vel- ocity data without any model assumptions similar to Pelc et al. [35]. Limitations of this approach are the limited temporal resolution (about 37 ms in this study) and ...
13
Quantitative evaluation of longitudinal strain in layer-specific myocardium during normal pregnancy in China
... Subjects underwent standard 2D echocardiographic examinations using commercially available ultrasound machine (Vivid E9; GE Healthcare, Horten, Norway) equipped with a M5S transducer. The following parame- ters were ...
8
Myocardial performance assessment in neonates by one-segment strain and strain rate analysis by tissue Doppler - a quality improvement cohort study
... and strain rate have the potential advantage over tissue velocities and atrioventricular annulus excur- sions 44 45 that they are size-independent ...indices. Strain rate is annulus velocity normalised for ...
9