Why the study?
Does echocardiography reliably assess left ventricular size and function compared to angiography in patients with aortic regurgitation?
Does echocardiography reliably assess left ventricular size and function compared to angiography in patients with aortic regurgitation?
This study evaluates the reliability of echocardiography against the gold standard of angiography for assessing left ventricular size and function to guide valve replacement timing in aortic regurgitation.
Echocardiography should not yet replace angiography for LV assessment in AR; leaves open need for prospective validation studies.
The optimal timing for prosthetic valve replacement in patients with aortic regurgitation (AR) depends on the identification of left ventricular (LV) enlargement and dysfunction. Whether this goal could he achieved reliably by echocardiography was evaluated in 22 patients with pure or dominant AR (AR group) in whom echocardiographic LV dimensions and performance indices were compared with corresponding dimen- sion, volume and performance data obtained by single-plane and biplane angiography. Echocardiographic and single-plane angiographic comparisons were also made in 18 patients with diseases other than AR (non-AR group).
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Abdulla et al. (1980) studied this question.
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