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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Strain y strain rate para dummies
TL;DR: In this article, aplicación de the strain and the strain rate derivados by speckle tracking (strain 2D) is presented, as well as a discussion of the applicability of the concept of deformacion and velocidad de deformacion.
Journal ArticleDOI
Atrioventricular and Ventricular Functional Interdependence in Individuals Without Overt Cardiac Disease.
Yuriko Yoshida,Koki Nakanishi,Masao Daimon,Jumpei Ishiwata,Naoko Sawada,Megumi Hirokawa,Hidehiro Kaneko,Tomoko Nakao,Yoshiko Mizuno,Hiroyuki Morita,Marco R. Di Tullio,Shunichi Homma,Issei Komuro +12 more
TL;DR: In this paper, the authors investigated the atrioventricular and ventricular functional interdependence in a community-based cohort without overt cardiovascular disease and hypothesized that subclinical left ventricular dysfunction adversely affects LA/RV geometry and function even in a preclinical setting.
Journal ArticleDOI
Echocardiographic features in antiphospholipid-negative Sneddon’s syndrome and potential association with severity of neurological symptoms or recurrence of strokes: a longitudinal cohort study
Florence Assan,Dominique de Zuttere,L. Bottin,Sebastian Tavolaro,Delphine S. Courvoisier,Annick Barbaud,Sonia Alamowitch,Camille Francès,François Chasset +8 more
TL;DR: No change in neurological relapse was observed in patients presenting LS endocarditis occurrence during follow-up without any modification in antithrombotic treatment, and further research is necessary to assess the usefulness of treatment escalation in these patients.
Journal ArticleDOI
Incremental Prognostic Value of Left Ventricular Global Longitudinal Strain in Patients with Preserved Ejection Fraction Undergoing Transcatheter Aortic Valve Implantation.
Sunhack Lee,Jin Kyung Oh,Seung Ah Lee,Do-Yoon Kang,Sahmin Lee,Hyun Kim,Jung-Min Ahn,Joon Bum Kim,Duk-Woo Park,Jong-Min Song,Suk Jung Choo,Duk-Hyun Kang,Jae-Kwan Song,Seung-Jung Park,Jong Hyun Choi,Dae-Hee Kim +15 more
TL;DR: In this paper , a study was conducted to determine whether left ventricular global longitudinal strain (LVGLS) has prognostic value in patients with severe aortic stenosis and preserved LVEF undergoing Transcatheter Aortic valve implantation (TAVI).
Journal ArticleDOI
Left atrial longitudinal speckle tracking echocardiography in healthy aging heart
Federico Cacciapuoti,Venere Delli Paoli,Anna Scognamiglio,Michele Caturano,Fulvio Cacciapuoti +4 more
TL;DR: 2D-LASTE appears to be a reliable tool to evaluate the role of LA to compensate the derangement of left ventricle happening with ageing and confirmed that LA conduit function deteriorates with age while booster pump increases respect to adult controls and reservoir phase is maintained.
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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