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• W2012100823 abstract "To evaluate the accuracy of cardiac output measurements with biplane transesophageal Doppler echocardiography, we examined 26 sets of observations in 14 patients using thermodilution technique as the standard. A mitral inflow method by single-plane combined the time-velocity integral of mitral inflow at the mitral annulus with the area of mitral annulus, assuming it to be a circular shape, by use of either the four- or the two-chamber view. With both views, a mitral inflow method by biplane combined the average of time-velocity integral of mitral inflow from the four- and the two-chamber views with the area of mitral annulus, assuming it to be an ellipsoid shape. The correlation coefficients between thermodilution and single-plane method of cardiac output were 0.81 (SEE = 0.72 L/min) and 0.85 (SEE = 0.79 L/min) for the four- and the two-chamber views, respectively. The correlation coefficient with biplane method was 0.93 (SEE = 0.47 L/min). Thus, biplane transesophageal Doppler echocardiography can be used for more accurate estimation of cardiac output. To evaluate the accuracy of cardiac output measurements with biplane transesophageal Doppler echocardiography, we examined 26 sets of observations in 14 patients using thermodilution technique as the standard. A mitral inflow method by single-plane combined the time-velocity integral of mitral inflow at the mitral annulus with the area of mitral annulus, assuming it to be a circular shape, by use of either the four- or the two-chamber view. With both views, a mitral inflow method by biplane combined the average of time-velocity integral of mitral inflow from the four- and the two-chamber views with the area of mitral annulus, assuming it to be an ellipsoid shape. The correlation coefficients between thermodilution and single-plane method of cardiac output were 0.81 (SEE = 0.72 L/min) and 0.85 (SEE = 0.79 L/min) for the four- and the two-chamber views, respectively. The correlation coefficient with biplane method was 0.93 (SEE = 0.47 L/min). Thus, biplane transesophageal Doppler echocardiography can be used for more accurate estimation of cardiac output." @default.
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• W2012100823 date "1993-01-01" @default.
• W2012100823 modified "2023-09-27" @default.
• W2012100823 title "Accuracy of Cardiac Output Estimation With Biplane Transesophageal Echocardiography" @default.
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• W2012100823 doi "https://doi.org/10.1016/s0894-7317(14)80257-5" @default.
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