Key result
M-mode echocardiography correlates poorly with surgical estimates of aortic root dimensions in AVR patients.
Why the study?
Does M-mode echocardiography accurately measure aortic root dimensions compared to surgical estimates in patients undergoing aortic valve replacement?
Population
79 patients who had aortic valve replacement
Comparison
Aortic root M-mode echocardiography vs Surgical estimates of aortic root dimensions
Design
Cross-sectional
Authors
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M-mode echo should not guide aortic root sizing pre-AVR; leaves open need for validation against surgical or CT references.
Does M-mode echocardiography accurately measure aortic root dimensions compared to surgical estimates in patients undergoing aortic valve replacement?
M-mode echocardiography correlates poorly with surgical estimates of aortic root dimensions in patients with aortic valve disease, likely due to the inclusion of the sinuses of Valsalva.
Reeves et al. (1979) studied this question. M-mode echocardiographic measurements of aortic root dimensions correlated poorly with surgical estimates in patients who had aortic valve replacement.
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