Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography
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J Am Soc Echocardiogr · Dec 2012
Measurement of left atrial volume from transthoracic three-dimensional echocardiographic datasets using the biplane Simpson's technique.
Although left atrial volume (LAV) by two-dimensional (2D) echocardiography provides prognostic information, the misalignment of the 2D cutting plane of the left atrium could make the measurements inaccurate. The aim of this study was to test the hypothesis that LAV measurement from three-dimensional (3D) echocardiographic data sets using the biplane Simpson's technique is a more reliable approach for measuring LAV. ⋯ The 2D biplane Simpson's method overestimates LAV because of the misalignment of the 2D cutting plane, and the 3D biplane Simpson's method is a practical and more reliable way to accurately determine LAV.