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- W2348670631 abstract "Objective To assess left ventricular systolic synchrony in patients with old myocardial infarction(OMI)quantitatively by two-dimensional speckle tracking imaging(STI).Methods Twenty-five patients with OMI and 30 healthy subjects were enrolled in this study.Their two-dimensional gray-scale dynamic picture of left ventricular short-axis views(mitral valve,papillary muscles,cardiac apex)were observed by echocardiography.Radial strain(RS),circumferential strain(CS),Radial strain rate(RSr)and circumferential strain rate(CSr)curves of different segments were obtained by two-dimensional speckle tricking software,then the Trs、Tcs、Trsr、Tcsr、Trs-SD、Tcs-SD、Trsr-SD and Tcsr-SD were measured.Then the left ventricle of patients with MI were divided into infarcted segments and non—infarcted segments.Trs、Tcs、Trsr and Tcsr of two groups were compared.Results Trs-SD、Tcs-SD、Trsr-SD and Tcsr-SD in patients with OMI were higher than those in control group(P0.05),Trs、Tcs、Trsr and Tcsr of infarcted segments were longer than those in non-infarcted segments(P0.05).Conclusion The left ventricular contractive dyssynchrony exists in patients with OMI,two-dimensional speckle tracking imaging can quantitatively asses left ventricular contractive synchrony of the patients with OMI." @default.
- W2348670631 created "2016-06-24" @default.
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- W2348670631 date "2009-01-01" @default.
- W2348670631 modified "2023-09-23" @default.
- W2348670631 title "Quantitative assessment of left ventricular systolic synchrony in patients with old myocardial infarction by two-dimensional speckle tracking imaging" @default.
- W2348670631 hasPublicationYear "2009" @default.
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