Myocardial strain measurement with 2-dimensional speckle-tracking echocardiography: definition of normal range.
Thomas H. Marwick,Rodel Leano,Joseph Brown,Jing Ping Sun,Rainer Hoffmann,Peter Lysyansky,Michael Becker,James D. Thomas +7 more
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TLDR
This multicenter study of nearly 250 volunteers without evidence of cardiovascular disease showed an average LV peak systolic strain of -18.6 +/- 0.1% and there was significant segmental variation of regional strain to necessitate the use of site-specific normal ranges.Abstract:
The interpretation of wall motion is an important component of echocardiography but remains a source of variation between observers. It has been believed that automated quantification of left ventricular (LV) systolic function by measurement of LV systolic strain from speckle-tracking echocardiography might be helpful. This multicenter study of nearly 250 volunteers without evidence of cardiovascular disease showed an average LV peak systolic strain of −18.6 ± 0.1%. Although strain was influenced by weight, blood pressure, and heart rate, these features accounted for only 16% of variance. However, there was significant segmental variation of regional strain to necessitate the use of site-specific normal ranges.read more
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Age, Sex, and Blood Pressure-Related Influences on Reference Values of Left Atrial Deformation and Mechanics From a Large-Scale Asian Population.
Jo-Nan Liao,Tze-Fan Chao,Jen-Yuan Kuo,Kuo-Tzu Sung,Jui-Peng Tsai,Chi-In Lo,Yau-Huei Lai,Cheng-Huang Su,Chung-Lieh Hung,Hung-I Yeh,Shih Ann Chen +10 more
TL;DR: Wang et al. as discussed by the authors studied 4042 participants undergoing annual cardiovascular survey and found that women demonstrated higher peak atrial longitudinal systolic strain (39.34±7.99% versus 37.95−7.96% for men.
Journal ArticleDOI
Incremental Prognostic Value of Echocardiographic Strain and Its Association With Mortality in Cancer Patients
TL;DR: Eastern Cooperative Oncology Group performance status, male sex, and GLS were significantly associated with all-cause mortality in patients with cancer with normal ejection fractions receiving chemotherapy.
Journal ArticleDOI
Evaluation of longitudinal and radial left ventricular function by two-dimensional speckle-tracking echocardiography in a large cohort of normal probands
TL;DR: The aim of this study was to characterize global and regional LV function by STE in a large cohort of healthy adult probands across a wide range of age to serve as reference for comparison with different disease entities.
Journal ArticleDOI
Right Ventricular Mechanics Using a Novel Comprehensive Three-View Echocardiographic Strain Analysis in a Normal Population
Daniel Forsha,Niels Risum,P Andrea Kropf,Sudarshan Rajagopal,P. Brian Smith,Ronald J. Kanter,Zainab Samad,Peter Søgaard,Piers Barker,Joseph Kisslo +9 more
TL;DR: Eighteen-segment RV strain analysis is feasible, with strain measures falling into discrete ranges in this normal population, and important disease not seen in the four-chamber apical view alone is identified in the pilot population of 11 patients with RV disease.
Journal ArticleDOI
Diagnosis of Nonischemic Stage B Heart Failure in Type 2 Diabetes Mellitus: Optimal Parameters for Prediction of Heart Failure
Ying Wang,Hong Yang,Quan Huynh,Mark Nolan,Kazuaki Negishi,Thomas H. Marwick,Thomas H. Marwick +6 more
TL;DR: Subclinical left ventricular systolic dysfunction is prevalent in asymptomatic elderly patients with type 2 diabetes mellitus, and impaired GLS is independent and incremental to LVH in the prediction of incident HF.
References
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Journal ArticleDOI
Two-dimensional strain-a novel software for real-time quantitative echocardiographic assessment of myocardial function.
Marina Leitman,P. Lysyansky,Stanislav Sidenko,Vladimir Shir,Eli Peleg,Michal Binenbaum,Edo Kaluski,Ricardo Krakover,Zvi Vered +8 more
TL;DR: In this paper, the authors assess the feasibility of 2D strain, a software for real-time quantitative echocardiographic assessment of myocardial function, which is based on the estimation that a discrete set of tissue velocities are present per each of many small elements on the ultrasound image.
Journal ArticleDOI
Quantitative assessment of intrinsic regional myocardial deformation by Doppler strain rate echocardiography in humans. Validation against three-dimensional tagged magnetic resonance imaging
TL;DR: The present study demonstrates the ability of Doppler echocardiography to measure myocardial strains in a clinical setting and may represent a new powerful method for quantifying left ventricular function noninvasively in humans.
Journal ArticleDOI
Can natural strain and strain rate quantify regional myocardial deformation? A study in healthy subjects
Mirosław Kowalski,Tomasz Kukulski,Fadi Jamal,Jan D'hooge,Frank Weidemann,Frank Rademakers,Bart Bijnens,Liv Hatle,George R. Sutherland +8 more
TL;DR: SR/epsilon imaging appears to be a robust technique for quantifying regional myocardial deformation, and values describing radial deformation were higher than the corresponding SR/ep silon values obtained for longitudinal deformation.
Journal ArticleDOI
Noninvasive quantification of regional myocardial function using Doppler-derived velocity, displacement, strain rate, and strain in healthy volunteers: effects of aging
Jing Ping Sun,Zoran B. Popović,Neil L. Greenberg,Xiao Fang Xu,Craig R. Asher,William J. Stewart,James D. Thomas +6 more
TL;DR: Although myocardial velocities and strain rate showed significant dependence on age, displacement and peak systolic strain measures were less affected, and Doppler tissue echocardiography measurements showed a strong dependence on wall segment position.
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