Why the study?
Does real time 3D echocardiography improve the accuracy of left ventricular outflow tract area measurement compared to standard 2D echocardiography in patients with normal aortic valves?
Population
53 patients with normal aortic valves
Comparison
Real time 3D echocardiography for left… vs 2D echocardiography using πr² for ALVOT…
Design
Cross-sectional
Authors
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May warrant caution with 2D LVOT assumptions; hypothesis-generating and leaves open need for outcome validation.
Does real time 3D echocardiography improve the accuracy of left ventricular outflow tract area measurement compared to standard 2D echocardiography in patients with normal aortic valves?
Real-time 3D echocardiography demonstrates that the LVOT is frequently elliptical, and standard 2D assumptions of a circular LVOT underestimate its area by 15%.
Doddamani et al. (2007) studied this question.
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