Key result
Real-time 3DE using apically rotated methods correlates strongly with MRI for calculating LV volumes.
Why the study?
The feasibility and accuracy of using symmetrically rotated apical long axis planes with real-time 3DE for determining LV volumes required investigation.
Does real-time three-dimensional echocardiography accurately measure left ventricular volumes compared to electromagnetic flow and MRI in sheep and patients?
Comparison
Real-time 3DE methods vs electromagnetic flow measurements and MRI
Design
Observational study comparing 3DE with EM and MRI
Authors
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Apical six-plane 3DE may aid LV volumetry; leaves open prospective validation before routine adoption.
Observational (n=29)
Does real-time three-dimensional echocardiography accurately measure left ventricular volumes compared to electromagnetic flow and MRI in sheep and patients?
Effect estimate: r=0.93-0.98
p-value: p=<0.05
The apical six-plane method of real-time 3DE provides an optimal balance of accuracy and time efficiency for calculating left ventricular volumes compared to MRI.
Jian Qin (2000) reported an observational. Real-time three-dimensional echocardiography (3DE) vs. Electromagnetic flow method and Magnetic Resonance Imaging (MRI) was evaluated on Left ventricular volumes (r=0.93-0.98, p=<0.05). Real-time 3DE using apically rotated measurement methods correlated well with MRI for calculating absolute left ventricular volumes in patients (r=0.93-0.98).
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