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- W2378049786 abstract "Objective:To compare the accuracy of low dose dobutamine(Dob) stress echocardiography(LDDSE) combined with integrated backscatter(IBS) and that combined with Doppler tissue image(DTI) for identifying survival myocardium in patients with coronary artery disease(CAD).Methods:Percutaneous coronary intervention(PCI) was performed in 18 patients for CAD by quantitative coronary artery(QCA).LDDSE was applied and images and parameters IBS or DTI were obtained before a week of PCI.Two-dimensional echocardiography was penfomed after three months of PCI again.Defining the maximumal changing rate of CVIB(K) of IBS(during LDDSE 13) and the maximumal change of Vs(K) of(DTI during LDDSE 2cm/s) were defined as survival myocardium and then the accuracies in identifying survival myocardium were compared among LDDSE.IBS combined with LDDSE,and DTI combined with LDDSE.Results:The sensitivity,specificity,accuracy for identifying survival myocardium by LDDSE combined with IBS and DTI were significantly higher than those of LDDSE(5,10μg/(Kg.min))(P40.05～0.01),as well as compared with DTI,the sensitivity,accuracy were 86.7%,87.1% Vs 78.9%,79.1% and significantly improved respectively by LDDSE+IBS(P0.05).The specificity of LDDSE combined with DTI was than that of LDDSE combined with IBS(87.5% Vs 81.3%)(P0.05).Conclusion:Identifying survival myocardium by LDDSE combined with IBS have a higher value than those of LDDSE combined with DTI alone." @default.
- W2378049786 created "2016-06-24" @default.
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- W2378049786 date "2007-01-01" @default.
- W2378049786 modified "2023-09-24" @default.
- W2378049786 title "Comparison study of echocardiography with or without low dose dobutamine stress combined with integrated backscatter and Doppler tissue image for identifying survival myocardium in patients with coronary artery disease" @default.
- W2378049786 hasPublicationYear "2007" @default.
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