Why the study?
Does single-beat three-dimensional echocardiography improve the accuracy and reproducibility of right ventricular quantification compared to standard 2D echocardiography in patients with RV pressure and volume overload?
Does single-beat three-dimensional echocardiography improve the accuracy and reproducibility of right ventricular quantification compared to standard 2D echocardiography in patients with RV pressure and volume overload?
Single-beat 3D echocardiography provides feasible and incrementally valuable right ventricular quantification over standard 2D methods in patients with RV overload, particularly in dilated cavities.
Single-beat 3DE is feasible and clinically applicable for volumetric quantification in acquired RV pressure or volume overload. It has improved limits of agreement compared with previous disk summation 3D echocardiographic studies and has incremental value over standard 2D echocardiographic measures for identifying RV dysfunction. Despite the ability to obtain and postprocess a full-volume 3D echocardiographic RV data set, the quality of the raw data did influence the accuracy of the data obtained. The technique performs better with dilated rather than nondilated RV cavities, with a learning curve that might affect the test-retest reproducibility for serial RV studies.
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Knight et al. (2014) studied this question.
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