Key result
Three-dimensional MR imaging of excised lamb hearts demonstrated that slice-area x apex-base length is highly correlated with right ventricular volume (r = 0.987).
Population
6 freshly excised lamb hearts
Design
Preclinical
Authors
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Supports simplified RV volumetry in animal models; leaves open human validation before clinical use.
Effect estimate: r = 0.987
The right ventricle exhibits a high degree of shape regularity that can be characterized by cross-sectional shape and its changes from base to apex, which may improve RV volume estimation techniques.
Yim et al. (1998) studied Right ventricular shape (n=6). Three-dimensional magnetic resonance (MR) imaging with passive pressurization was evaluated on Correlation between slice-area x apex-base length and right ventricular volume (r = 0.987). Three-dimensional MR imaging of excised lamb hearts demonstrated that slice-area x apex-base length is highly correlated with right ventricular volume (r = 0.987).
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