Regional myocardial systolic function during acute myocardial ischemia assessed by strain Doppler echocardiography
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TLDR
The new SDE approach might be a more accurate marker than TDE for detecting systolic regional myocardial dysfunction induced by LAD occlusion and reduced velocities in all septal segments during angioplasty.About:
This article is published in Journal of the American College of Cardiology.The article was published on 2001-03-01 and is currently open access. It has received 264 citations till now. The article focuses on the topics: Tissue Doppler echocardiography & Doppler echocardiography.read more
Citations
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Speckle tracking echocardiography - Quo Vadis?
TL;DR: Speckle tracking echocardiography (STE) has subsequently emerged as a technique that analyzes motion by tracking "speckles" on the Eulerian coordinates in fluid dynamics.
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Assessment of the regional myocardial deformation changes and viability in anterior acute myocardial infarction patients by strain and strain rate imaging.
Enbiya Aksakal,Yekta Gürlertop,Bedri Seven,Serdar Sevimli,Fuat Gundogdu,Şakir Arslan,Erhan Varoglu,Mustafa Kemal Erol,Hüseyin Şenocak,Sule Karakelleoglu +9 more
TL;DR: The remedial effect of PCI on the deformation values was observed in the first week and continued during the first month, and in the early reperfusion period, S/Sr indices have the potential to differentiate necrotic tissue from other viability types.
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Atrium-driven mitral annulus motion velocity reflects global left ventricular function and pulmonary congestion during acute biventricular pacing.
Jiirgen Frielingsdorf,Christoph Schmidt,Marianne Debrunner,Reza Tavakoli,Michele Genoni,Edwin Straumann,Osmund Bertel,Barbara Naegeli +7 more
TL;DR: In this article, mitral annular tissue Doppler imaging (TDI) is used to predict acute changes in global systolic function determined by the continuous cardiac output method that was measured postoperatively during various pacing configurations in patients with depressed left ventricular (LV) function.
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Combination of single quantitative parameters into multiparametric model for ischemia detection is not superior to visual assessment during dobutamine stress echocardiography
Jelena Čelutkienė,Greta Burneikaitė,Linas Petkevicius,Laura Balkevičienė,Aleksandras Laucevičius +4 more
TL;DR: Myocardial deformation imaging may potentially replace visual assessment with an automated predictive model for stress-induced ischemia detection, however, a multiparametric mathematical model based on quantitative deformation markers did not demonstrate incremental value to visual assessment of wall motion.
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Detection of significant stenotic lesions in the left anterior descending coronary artery using adenosine triphosphate stress strain imaging: comparison with coronary flow velocity reserve measurement using transthoracic Doppler echocardiography.
TL;DR: Strain imaging can differentiate ischemic and nonischemic myocardium accurately comparable with coronary flow velocity reserve measurement, and diagnostic accuracy for the presence of significant LAD lesions were 88% and 82%, respectively.
References
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Statistical methods for assessing agreement between two methods of clinical measurement.
TL;DR: An alternative approach, based on graphical techniques and simple calculations, is described, together with the relation between this analysis and the assessment of repeatability.
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Myocardial Strain by Doppler Echocardiography Validation of a New Method to Quantify Regional Myocardial Function
TL;DR: Myocardial strain by Doppler echocardiography may represent a new, powerful method for quantifying regional myocardial function and is less influenced by tethering effects than Dopplers tissue imaging.
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Real-time strain rate imaging of the left ventricle by ultrasound
TL;DR: In the healthy hearts, a spatially homogeneous distribution of the strain rate was found and all the infarcted areas in this study showed up as hypokinetic or akinetic, demonstrating that this method may be used for imaging of regional dysfunction.
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Color Doppler myocardial imaging: a new technique for the assessment of myocardial function
G. R. Sutherland,M.J. Stewart,K.W.E. Groundstroem,Carmel M. Moran,Alan Fleming,F.J. Guell-Peris,Rudolph A. Riemersma,L.N. Fenn,Keith A.A. Fox,William McDicken +9 more
TL;DR: The concomitant enhancement of the myocardial Doppler signal after an intravenous injection of a transpulmonary echocardiographic contrast agent could permit the noninvasive assessment of regional myocardIAL perfusion.