Key result
Echocardiography in patients with coarctation of the aorta revealed bicuspid aortic valves in 53%, suspected idiopathic hypertrophic subaortic stenosis in 11%, and mitral valve prolapse in 5.6%.
Observational (n=36)
Echocardiography frequently identifies associated structural abnormalities in patients with coarctation of the aorta, most commonly bicuspid aortic valves.
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Supports routine echocardiography to detect associated anomalies in coarctation; leaves open effects on outcomes and management.
Echocardiograms were performed in thirty-six patients (aged 4 to 36 years) with proven coarctation of the aorta. Nineteen patients (53%) were found to have marked diastolic eccentricities of their aortic valves (Eccentricity Index greater 1.5), indicating the presence of bicuspid aortic valves. One of these patients also had multilayered aortic root echoes in diastole. Five patients had angiographic proof of their aortic valve morphologies which corroborated the echo findings. Five patients with bicuspid aortic valves showed mitral valve diastolic flutter indicative of aortic regurgitation. Idiopathic hypertrophic subaortic stenosis (IHSS) was suspected in four patients (11%) with abnormal systolic anterior motion of the mitral valve; three of these patients also had asymmetric septal hypertrophy. There was catheterization proof of IHSS in one patient. Two patients (5.6%) demonstrated mitral valve proplapse.
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Scovil et al. (1976) conducted an observational in Coarctation of the aorta (n=36). Echocardiography was evaluated on Echocardiographic abnormalities. Echocardiography in patients with coarctation of the aorta revealed bicuspid aortic valves in 53%, suspected idiopathic hypertrophic subaortic stenosis in 11%, and mitral valve prolapse in 5.6%.
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