scholarly journals Assessment 2D and 3D Global Longitudinal Strain of Abnormal LV Myocardial Deformation Properties Using 3D Speckle-Tracking Echocardiography in Young HCM

2017 ◽  
Vol 43 ◽  
pp. S69
Author(s):  
Qian Yang ◽  
Peng Tang ◽  
Liwen Liu ◽  
Xiaodong Zhou ◽  
Shuping Ge
Keyword(s):  
Speckle Tracking ◽  
Longitudinal Strain ◽  
Speckle Tracking Echocardiography ◽  
Global Longitudinal Strain ◽  
Myocardial Deformation ◽  
Deformation Properties ◽  
2D And 3D

scholarly journals Impact of ventricular morphology on myocardial deformation in patients with single ventricle

QJM ◽  
2020 ◽  
Vol 113 (Supplement_1) ◽  
Author(s):  
K A E A Shoman ◽  
D A Ezzeldin ◽  
Y A Esmail ◽  
H Attia
Keyword(s):  
Ejection Fraction ◽  
Strain Rate ◽  
Speckle Tracking ◽  
Longitudinal Strain ◽  
Single Ventricle ◽  
Speckle Tracking Echocardiography ◽  
Global Longitudinal Strain ◽  
Myocardial Deformation ◽  
P Value ◽  
Strain And Strain Rate

Abstract Background Functional single ventricle (FSV) is a spectrum of severe congenital heart disease, with multiple anatomic variations but similar surgical treatment strategies. FSV patients are living longer into adulthood compared to two or three decades ago, and they are more frequently undergoing imaging to assist in clinical and surgical management. Objective To determine impact of ventricular morphology on myocardial deformation in patients with single ventricle. Material and Methods From November 2017 to July 2018, 41 patients with single ventricle morphology or Physiology who were referred to Ain-Shams University hospitals for follow up Echocardiography or diagnostic cardiac catheterization were enrolled in the study.All patients subjected to history, clinical examination Echocardiography (conventional 2D and speckle tracking “global longitudinal strain and strain rate”.Dominant ventricular strain was analyzed using conventional two-dimensional echocardiographic. The region of interest was obtained by tracing the dominant ventricle endocardial borders at end-systole. An automated software program was used to calculate the frame-to-frame displacements of speckle pattern within the region of interest throughout the cardiac cycle. Results There is statiscially significance between the basic anatomy of the single ventricle and the ejection fraction (p value 0.001) and global longitudinal strain pattern by speckle tracking echocardiography with (p value 0.031) with no statistically effect of the side of dominance. Conclusion: Regarding the side of dominant ventricle there is no significant relation between the side of dominant ventricle on myocardial deformation (by ejection fraction, global strain and strain rate by speckle tracking echocardiography) but there is significant relation between the ventricular morphology and the myocardial deformation that was assessed by by the ejection fraction and global longitudinal strain (by speckle tracking echocardiography) but with no significant effect on the strain rate (by speckle tracking echocardiography)

Possibilities of applying speckle tracking echocardiography to assess fetal myocardial function. Part 1. Methods to assess fetal cardiac function

2019 ◽  
Author(s):  
S.I. Buryakova, M.V. Medvedev
Keyword(s):  
Cardiac Function ◽  
Speckle Tracking ◽  
Myocardial Function ◽  
Speckle Tracking Echocardiography ◽  
Myocardial Deformation ◽  
Prenatal Period ◽  
Fetal Cardiac Function ◽  
Deformation Properties

The article deals with the physiology of the heart and methods to assess fetal cardiac function. The leadingedge technique to assess the myocardial deformation properties by speckle tracking echocardiography in prenatal period is presented.

scholarly journals Direct comparison of multilayer left ventricular global longitudinal strain using CMR feature tracking and speckle tracking echocardiography

2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Saikrishna Ananthapadmanabhan ◽  
Giau Vo ◽  
Tuan Nguyen ◽  
Hany Dimitri ◽  
James Otton
Keyword(s):  
Feature Tracking ◽  
Speckle Tracking ◽  
Longitudinal Strain ◽  
Speckle Tracking Echocardiography ◽  
Imaging Modality ◽  
Global Longitudinal Strain ◽  
Intraclass Correlation ◽  
Strain Analysis ◽  
Left Ventricular ◽  
Multilayer Strain

Abstract Background Cardiac magnetic resonance feature tracking (CMR-FT) and speckle tracking echocardiography (STE) are well-established strain imaging modalities. Multilayer strain measurement permits independent assessment of endocardial and epicardial strain. This novel and layer specific approach to evaluating myocardial deformation parameters may provide greater insight into cardiac contractility when compared to whole-layer strain analysis. The aim of this study is to validate CMR-FT as a tool for multilayer strain analysis by providing a direct comparison between multilayer global longitudinal strain (GLS) values between CMR-FT and STE. Methods We studied 100 patients who had an acute myocardial infarction (AMI), who underwent CMR imaging and echocardiogram at baseline and follow-up (48 ± 13 days). Dedicated tissue tracking software was used to analyse single- and multi-layer GLS values for CMR-FT and STE. Results Correlation coefficients for CMR-FT and STE were 0.685, 0.687, and 0.660 for endocardial, epicardial, and whole-layer GLS respectively (all p < 0.001). Bland Altman analysis showed good inter-modality agreement with minimal bias. The absolute limits of agreement in our study were 6.4, 5.9, and 5.5 for endocardial, whole-layer, and epicardial GLS respectively. Absolute biases were 1.79, 0.80, and 0.98 respectively. Intraclass correlation coefficient (ICC) values showed moderate agreement with values of 0.626, 0.632, and 0.671 respectively (all p < 0.001). Conclusion There is good inter-modality agreement between CMR-FT and STE for whole-layer, endocardial, and epicardial GLS, and although values should not be used interchangeably our study demonstrates that CMR-FT is a viable imaging modality for multilayer strain

scholarly journals Assessment of myocardial deformation with CMR: a comparison with ultrasound speckle tracking in a cohort of highly trained endurance athletes

2021 ◽  
Vol 22 (Supplement_1) ◽  
Author(s):  
B Domenech-Ximenos ◽  
M Sanz-De La Garza ◽  
A Sepulveda-Martinez ◽  
D Lorenzatti ◽  
F Simard ◽  
...  
Keyword(s):  
Speckle Tracking ◽  
Longitudinal Strain ◽  
Systolic Function ◽  
Global Longitudinal Strain ◽  
Myocardial Deformation ◽  
Endurance Athletes ◽  
National Budget ◽  
Complex Anatomy ◽  
Exercise Induced ◽  
Public Grant

Abstract Funding Acknowledgements Type of funding sources: Public grant(s) – National budget only. Main funding source(s): Plan Nacional I.D., Del Programa Estatal de Fomento De La Investigación Científica y Técnica de Excelencia, Subprograma De Generación Del Conocimiento, Ministerio de Economía y Competitividad 2013. Background  Myocardial deformation integrated with cardiac dimensions provides a comprehensive assessment of the ventricular remodelling patterns induced by cumulative effects of intensive exercise. Feature tracking(FT) can measure myocardial deformation from cardiac magnetic resonance(CMR) cine sequences; however, its accuracy is still scarcely validated. Purpose  Our aim was to compare FT’s accuracy and reproducibility to speckle tracking echocardiography (STE) in highly trained endurance athletes (EAs). Methods  93 EAs (&gt;12 hours training/week during the last 5 years, 52% male, 35 ± 5.1 years) and 72 age-matched controls underwent a resting CMR and a transthoracic echocardiography to assess biventricular exercise-induced remodelling and biventricular global longitudinal strain (GLS) by CMR-FT and STE. Results   High endurance training load was associated with larger bi-ventricular and bi-atrial sizes and mildly reduced systolic function of both ventricles (p &lt; 0,05). Strain values (both by CMR-FT and STE) proportionally decreased with increasing ventricular volumes potentially depicting the increased volume and functional biventricular reserve that characterize EAs heart. Strain values were lower when assessed by CMR-FT as compared to STE (p &lt; 0.001), with good reproducibility for the LV (bias = 3.94%, LOA= ± 4.27%) but wider variability for RV strains (Figure 2). Conclusions   Biventricular longitudinal strain values were lower when assessed by FT compared to STE. Both methods were comparable when measuring LV strain but not RV strain. These differences might be justified by FT’s lower in-plane spatial and temporal resolution, which is particularly relevant for the complex anatomy of the RV. Abstract Figure. Fig 1. Bland-Altman plots; FT vs STE.

scholarly journals Atrial and Ventricular Structural and Functional Alterations in Obese Children

Medicina ◽  
2021 ◽  
Vol 57 (6) ◽  
pp. 562
Author(s):  
Rima Šileikienė ◽  
Karolina Adamonytė ◽  
Aristida Ziutelienė ◽  
Eglė Ramanauskienė ◽  
Jolanta Justina Vaškelytė
Keyword(s):  
Speckle Tracking ◽  
Longitudinal Strain ◽  
Speckle Tracking Echocardiography ◽  
Myocardial Dysfunction ◽  
Global Longitudinal Strain ◽  
Radial Strain ◽  
Left Ventricular ◽  
Z Score ◽  
Obese Children ◽  
2D Speckle Tracking

Background and objectives: Childhood obesity has reached epidemic levels in the world. Obesity in children is defined as a body mass index (BMI) equal to or above the 95th percentile for age and sex. The aim of this study was to determine early changes in cardiac structure and function in obese children by comparing them with their nonobese peers, using echocardiography methods. Materials and methods: The study enrolled 35 obese and 37 age-matched nonobese children. Standardized 2-dimensional (2D), pulsed wave tissue Doppler, and 2D speckle tracking echocardiography were performed. The z-score BMI and lipid metabolism were assessed in all children. Results: Obese children (aged 13.51 ± 2.15 years; 20 boys; BMI z-score of 0.88 ± 0.63) were characterized by enlarged ventricular and atrial volumes, a thicker left ventricular posterior wall, and increased left ventricular mass. Decreased LV and RV systolic and diastolic function was found in obese children. Atrial peak negative (contraction) strain (−2.05% ± 2.17% vs. −4.87% ± 2.97%, p < 0.001), LV and RV global longitudinal strain (−13.3% ± 2.88% vs. −16.87% ± 3.39%; −12.51% ± 10.09% vs. −21.51% ± 7.42%, p < 0.001), and LV global circumferential strain (−17.0 ± 2.7% vs. −19.5 ± 2.9%, p < 0.001) were reduced in obese children. LV torsion (17.94° ± 2.07° vs. 12.45° ± 3.94°, p < 0.001) and normalized torsion (2.49 ± 0.4°/cm vs. 1.86 ± 0.61°/cm, p = 0.001) were greater in obese than nonobese children. A significant inverse correlation was found between LV and RV global longitudinal strain and BMI (r = −0.526, p < 0.01; r = −0.434, p < 0.01) and total cholesterol (r = −0.417, p < 0.01). Multivariate analysis revealed that the BMI z-score was independently related to LV and RV global longitudinal strain as well as LV circumferential and radial strain. Conclusion: 2D speckle tracking echocardiography is beneficial in the early detection of regional LV systolic and diastolic dysfunctions, with preserved ejection fraction as well as additional RV and atrial involvement, in obese children. Obesity may negatively influence atrial and ventricular function, as measured by 2D speckle tracking echocardiography. Obese children, though they are apparently healthy, may have subclinical myocardial dysfunction.

Abstract 13101: Assessment of Left Ventricular Myocardial Fibrosis Using Two-dimensional and Three-dimensional Speckle Tracking Echocardiography in Patients With End-stage Heart Failure

Circulation ◽  
2020 ◽  
Vol 142 (Suppl_3) ◽  
Author(s):  
Mingxing XIE ◽  
TiAN Fangyan ◽  
Li Yuman
Keyword(s):  
Myocardial Fibrosis ◽  
Speckle Tracking ◽  
Speckle Tracking Echocardiography ◽  
Global Longitudinal Strain ◽  
Radial Strain ◽  
Surrogate Marker ◽  
Area Under The Curve ◽  
Left Ventricular ◽  
End Stage ◽  
2D And 3D

Background: Previous studies showed that 2-dimensional speckle-tracking echocardiography (2D-STE) correlates with the extent of left ventricular(LV)myocardial fibrosis (MF). However, the utility of 3D-STE in predicting LV MF remains unknown. We aimed to identify which LV strain assessed by 2D- and 3D-STE is the most reliable parameter to predict LV MF in patients with end-stage HF. Methods: 105 patients with end-stage HF undergoing heart transplantation were enrolled in our study. LV global longitudinal strain (GLS), global circumferential strain (GCS) and global radial strain (GRS) were measured by 2D- and 3D-STE. LV ejection fraction (EF) was determined by 3D-STE.The degree of MF was quantified by using Masson trichrome stain in LV myocardial samples. The study population was divided into 3 groups according to the degree of MF on histology (mild, moderate, and severe MF). Results: Patients with severe MF had lower 2D-STE, 3D-STE, and LVEF compared with those with mild and moderate MF. LV MF strongly correlated with 3D-LVGLS (r =0.73; P < 0.001), modestly with 3D-LVGRS (r =0.53; P< 0.001), weakly with 2D-LVGLS (r =0.49, P<0.001), 3D-LVGCS(r = 0.37, P <0.01), and LVEF (r =-0.46, P<0.001), but did not correlated with 2D-LVGCS and 2D-LVGRS. 3D-LVGLS correlated best with the degree of MF (r = 0.73 vs 0.37~0.53; P<0.05) compared with other 2D- and 3D-STE, and LVEF. 3D-LVGLS had the highest accuracy for detecting severe MF (area under the curve 0.90 VS 0.62~0.80; P< 0.05) compared with the 2D- and 3D-STE, and LVEF. Stepwise multivariate analysis showed that 3D-LVGLS (β=0.79, p < 0.001) was the only independent predictor of the degree of MF. Conclusion: 3D-LVGLS may be an ideal surrogate marker for LV MF in patients with end-stage HF.

scholarly journals Left Ventricular Myocardial Deformations in Hemodialysis Children by Speckle Tracking Echocardiography

2020 ◽  
Vol 14 ◽  
pp. 117954682093001
Author(s):  
Manal F Elshamaa ◽  
Fatma A Mostafa ◽  
Inas AES Sad ◽  
Ahmed M Badr ◽  
Yomna AEM Abd Elrahim
Keyword(s):  
Speckle Tracking ◽  
Longitudinal Strain ◽  
Speckle Tracking Echocardiography ◽  
Systolic Dysfunction ◽  
Global Longitudinal Strain ◽  
Radial Strain ◽  
Left Ventricular ◽  
Left Ventricular Ejection ◽  
Ventricular Ejection Fraction ◽  
Myocardial Mechanics

Background: Cardiac systolic dysfunction was potentially found in adult patients with end-stage renal disease (ESRD) who have preserved left ventricular ejection fraction (EF%). In children with ESRD, little data are available on early changes in myocardial function. This study aimed to detect the early changes in myocardial mechanics in pediatric patients with ESRD using speckle tracking echocardiography (STE). Methods: Thirty ESRD children receiving hemodialysis (HD) and30 age-matched controls were prospectively studied. Patients underwent echocardiographic studies before and after HD. Left ventricular longitudinal strain (LS), circumferential strain (CS), and radial strain (RS) myocardial deformation parameters (strain, strain rate) were evaluated by STE. Results: The LS was significantly reduced in pre-HD and post-HD patients compared with controls ( P = .000). Controls showed the highest global longitudinal strain. The RS measurements did not differ significantly among the studied groups except for the inferior segment that is significantly reduced after HD compared with controls ( P < .05). The CS was significantly reduced in pre-HD and post-HD patients compared with controls at the lateral and posterior segments ( P = .035 and P = .013, respectively). Conclusion: Speckle-tracking echocardiography might detect early changes in myocardial mechanics in children with ESRD with preserved EF%.

scholarly journals Abnormal left ventricular global longitudinal strain by speckle tracking echocardiography in COVID-19 patients

2020 ◽  
Author(s):  
Lori B Croft ◽  
Parasuram Krishnamoorthy ◽  
Richard Ro ◽  
Malcolm Anastasius ◽  
Wenli Zhao ◽  
...  
Keyword(s):  
Speckle Tracking ◽  
Longitudinal Strain ◽  
Speckle Tracking Echocardiography ◽  
Global Longitudinal Strain ◽  
Left Ventricular ◽  
Healthy Population ◽  
Significant Difference ◽  
The Mean ◽  
Lv Ejection Fraction ◽  
Prognostic Implications

COVID-19 infection can affect the cardiovascular system. We sought to determine if left ventricular global longitudinal strain (LVGLS) is affected by COVID-19 and if this has prognostic implications. Materials & methods: Retrospective study, with LVGLS was measured in 58 COVID-19 patients. Patients discharged were compared with those who died. Results: The mean LV ejection fraction (LVEF) and LVGLS for the cohort was 52.1 and -12.9 ± 4.0%, respectively. Among 30 patients with preserved LVEF(>50%), LVGLS was -15.7 ± 2.8%, which is lower than the reference mean LVGLS for a normal, healthy population. There was no significant difference in LVGLS or LVEF when comparing patients who survived to discharge or died. Conclusion: LVGLS was reduced in COVID-19 patients, although not significantly lower in those who died compared with survivors.

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