Two-dimensional echocardiography can identify an elongated and domed mitral-aortic separation in patients with discrete subaortic stenosis, a finding previously only described in anatomic studies.
May enable noninvasive detection of mitral-aortic separation in discrete subaortic stenosis; extends anatomic observations but leaves open diagnostic validation.
The present study reports the two-dimensional echocardiographic pattern of 6 patients affected by discrete subaortic stenosis. The diagnosis was proven at cardiac catheterization. The echocardiographic picture was characterized by a deformity of the left ventricular outflow tract due to an inward-protruding upper septum and to an elongated and domed mitral-aortic separation. The latter finding has been described in anatomic studies but has never been reported with wide-angle echocardiography.
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Donato et al. (2008) studied this question.
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