Key result
Initial diastolic indentation of the anterior mitral leaflet on echocardiography occurred in 8 of 12 patients with 3+ to 4+ aortic insufficiency, but in no patients from the control group (0/100).
Why the study?
Is the initial diastolic indentation of the mitral valve on short-axis two-dimensional echocardiograms a specific indicator of critical aortic insufficiency?
Observational (n=118)
Is the initial diastolic indentation of the mitral valve on short-axis two-dimensional echocardiograms a specific indicator of critical aortic insufficiency?
Absolute Event Rate: 44.4% vs 0%
Initial diastolic indentation of the anterior mitral leaflet on short-axis 2D echocardiography is a highly specific indicator of severe (3+ to 4+) aortic insufficiency.
May support mitral indentation as specific echo marker for severe AI; leaves open prospective validation before clinical adoption.
An abnormal diastolic indentation of the mitral valve has been noted on short-axis two-dimensional echocardiograms in patients with aortic insufficiency. In order to assess the clinical usefulness of this finding, we reviewed the echocardiograms of 18 patients with this lesion who had undergone cineaortography. Results were compared with those of a control group of 100 patients. Initial diastolic indentation of the anterior mitral leaflet occurred in 8 of 12 patients with 3+ to 4+ aortic insufficiency. None of the patients with lesser regurgitation and no patients from the control group demonstrated this pattern. The presence of this abnormality appears to be a specific indicator of critical aortic insufficiency.
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Rowe et al. (1982) conducted an observational in Aortic insufficiency (n=118). Short-axis two-dimensional echocardiography vs. Control group was evaluated on Initial diastolic indentation of the anterior mitral leaflet. Initial diastolic indentation of the anterior mitral leaflet on echocardiography occurred in 8 of 12 patients with 3+ to 4+ aortic insufficiency, but in no patients from the control group (0/100).
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