2012-07-29

(global longitudinal peak systolic strain [GLS], strain rate [SR-s] and early diastolic strain rate [SR-e]) from speckle tracking were measured at baseline, 6 and 12m. • Cardiotoxicity was defined by a decrement of EF >10%.

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It can be adjusted according to aortic valve closure (AVC) time in the AVC layout. GLS is calculated as global shortening of the endocardial border. It is defined as a peak value and thus independent from AVC as shown (Figure 3c). (a) Peak-systolic strain (b) End-systolic strain (c) Global peak strain Left ventricular global longitudinal strain (LV GLS) is a measure of LV systolic function more reproducible than LV ejection fraction (LVEF). LV GLS permits early detection of LV systolic dysfunction.

2020-06-26 · Three-dimensional (3D) left ventricular (LV) myocardial strain measurements using transthoracic 3D echocardiography speckle tracking analysis have several advantages over two-dimensional (2D) LV strain measurements, because 3D strain values are derived from the entire LV myocardium, yielding more accurate estimates of global and regional LV function. In this review article, we summarize the

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Other colour maps to represent time to peak strain exist and highlight early time to peak strain (preceding or at AVC), late time to peak strain (proceeding AVC + 250 ms) and intermediate time to peak strain.

Results Subjects with HCM had significantly lower regional and average global peak longitudinal systolic strain (GLS-avg) compared with controls and other forms of LVH. Strain dispersion index, a measure of regional contractile heterogeneity, was higher in HCM compared with the rest of the groups. 2019-01-31 · Among measures of myocardial function, echocardiography-measured peak systolic global longitudinal strain (GLS) is the most extensively studied marker and provides an easy, inexpensive, and quantitative assessment of global long-axis systolic function. 10 Several studies have linked threshold changes in GLS or an absolute GLS value during cancer treatment with the subsequent development of CTRCD. Peak strain dispersion within the left ventricle detected by two-dimensional speckle tracking in patients with uncomplicated systemic lupus erythematosus We aimed to investigate the value of peak strain dispersion (PSD) in evaluating left ventricular dysfunction in patients with uncomplicated SLE. RV fast global longitudinal strain (GLS)—strain value at end-systole—was obtained from the strain curve; the peak SRs at RV systole (GLSR s), early diastole (GLSR e), and late diastole (GLSR a) were obtained from the SR curve (Fig. 1), which was the first time-derivative of the strain curve obtained by central difference method.
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Also, global longitudinal strain (GLS), global radial strain  Dec 15, 2020 Global longitudinal strain (GLS) is the best studied strain parameter with In a systematic review (2), an early decrease in peak systolic GLS  Aug 10, 2018 GLS is a simple parameter that expresses longitudinal shortening as a percentage (change in length as a proportion to baseline length). · GLS is  Time to peak LS (TTP) and peak strain dispersion (PSD) from 17 consecutive segments The average values of GLS (GLS avg) (p = 0.01) and GLS of the apical  GLS, left ventricular global peak systolic longitudinal strain; basSept, basal septum; midSept, midseptum; apSept, apical septum; apLat, apical lateral wall;  Strain imaging is a cardiac imaging technique which detects ventricular Global longitudinal strain (GLS) is the best-evaluated strain parameter so far and is reduction in peak systolic strain, systolic lengthening and post-systoli May 8, 2018 both LVEF and global longitudinal strain (GLS). The study protocol derived peak-systolic, early, and late-diastolic veloc- ities of the septal  Strain rate imaging is a method in echocardiography (medical ultrasound) for measuring regional or global deformation of the myocardium (heart muscle).

2019-09-01 2019-12-02 2021-04-01 Echocardiographic peak systolic LV global longitudinal strain (GLS) has shown promise for detecting subclinical cardiac dysfunction before LVEF is abnormal.
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2012-07-29

In addition, GLS has better intra- and inter-observer reproducibility in post hoc analysis compared to LVEF [ 4, 7, 8 ]. Global longitudinal strain (GLS) is more reliable for assessing the systolic function in normal individuals as well as in patients with heart failure.