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- W2024956633 abstract "Real-time three-dimensional (3D) echocardiography (RT-3DE) has emerged as a new technique in measuring left atrial and ventricular volume. However, the impact of cutting planes of RT-3DE on the accuracy of volume measurement in patients with a normal or enlarged heart is still unknown. We enrolled 30 normal subjects (control group) and 30 patients with heart failure (patient group). RT-3DE was performed to measure maximal volume of the left atrium (LAVmax) and left ventricular end-diastole volume (LVEDV) with 2-, 4-, 8- and 16-cutting planes, compared with cardiac magnetic resonance imaging (CMRI). In both groups, LAVmax by RT-3DE using 2- and 4-cutting planes was significantly underestimated (mean difference: −10.4 ± 16.6 mL, p = 0.001 and −8.8 ± 14.2 mL, p = 0.002 in the control group and −13.4 ± 19.6 mL, p = 0.001 and −11.2 ± 17.5 mL, p = 0.001 in the patient group, respectively). These differences became nonsignificant when 8- and 16-cutting planes were adopted (mean difference: −2.1 ± 7.6 mL and −1.9 ± 7.4 mL in the control group and −2.7 ± 8.4 mL and −2.2 ± 8.3 mL in the patient group, respectively). The agreement for LVEDV was acceptable when 4- or more cutting planes were used in the control group and when 8- or 16-cutting planes were used in the patient group. The time expense for data analysis of LAVmax with 8-image planes was only 7 ± 4 min in the control group and 6 ± 5 min in the patient group, almost halving that of the 16-image planes. Similarly, 4- and 8-cutting planes were required for an accurate measurement of LVEDV in the control and patient groups, respectively. In conclusion, RT-3DE with 8-cutting planes is both accurate and timesaving for measurement of LAVmax and LVEDV in patients with normal or enlarged left atria and ventricles. (E-mail: [email protected])" @default.
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- W2024956633 date "2008-01-01" @default.
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- W2024956633 title "Impact of The Number of Image Planes of Real-Time Three-Dimensional Echocardiography on the Accuracy of Left Atrial and Ventricular Volume Measurements" @default.
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- W2024956633 doi "https://doi.org/10.1016/j.ultrasmedbio.2007.07.012" @default.
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