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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Left Ventricular and Atrial Functions in Hypertrophic Cardiomyopathy Patients with Very High LVOT Gradient: A Speckle Tracking Echocardiographic Study
Kursat Tigen,Murat Sunbul,Tansu Karaahmet,Cihan Dundar,Beste Ozben,Ahmet Guler,Altug Cincin,Mustafa Bulut,Ibrahim Sari,Yelda Basaran +9 more
TL;DR: Assessment of LV and left atrial (LA) functions with 2DSTE in HCM patients and relation between strain analysis and LV outflow tract (LVOT) gradient are investigated.
Journal ArticleDOI
Effect of preload on left atrial function: evaluated by tissue Doppler and strain imaging
Chan Seok Park,Yong-Kyun Kim,Ho Chul Song,Euy Jin Choi,Sang-Hyun Ihm,Hee-Yeol Kim,Ho-Joong Youn,Ki Bae Seung +7 more
TL;DR: Both tissue velocity and SR during late diastole, representing the contractile function of the LA, are relatively preload-independent parameters and are available for the evaluation of theLA function.
Journal ArticleDOI
Increased longitudinal contractility and diastolic function at rest in well-trained amateur Marathon runners: a speckle tracking echocardiography study
Sebastian Schattke,Yan Xing,Jürgen Lock,Lars Brechtel,Sabrina Schroeckh,Sebastian Spethmann,Gert Baumann,Adrian C. Borges,Fabian Knebel +8 more
TL;DR: There is increased overall longitudinal myocardial contractility at rest in experienced endurance athletes compared to the published normal values in the literature indicating a preserved and even supra-normal contractility in the athletes.
Journal ArticleDOI
Relation between Mitral Annular Plane Systolic Excursion and Global longitudinal strain in normal subjects: The HUNT study.
TL;DR: This study tested whether normalizing LV shortening reduced biological variability of MAPSE due to normalizing for heart size and, possibly BSA to provide normal reference values for MAPSE.
Journal ArticleDOI
Left ventricular global longitudinal strain is associated with cardiovascular risk factors and arterial stiffness in chronic kidney disease
Rathika Krishnasamy,Carmel M. Hawley,Carmel M. Hawley,Tony Stanton,Elaine M. Pascoe,Elaine M. Pascoe,Katrina L. Campbell,Katrina L. Campbell,Megan Rossi,Megan Rossi,William Petchey,Ken-Soon Tan,Ken-Soon Tan,Kassia S. Beetham,Jeff S. Coombes,Rodel Leano,Brian Haluska,Nicole M. Isbel +17 more
TL;DR: In the CKD cohort, LV systolic function assessed using GLS was associated with uremic toxins, obesity and arterial stiffness, and it was demonstrated that GLS correlated with diabetes.
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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