Severe subaortic stenosis that progressed over a 12-year period after cardiac surgery

Journal of Medical Ultrasonics (Impact Factor: 0.62). 12/2009; 36(4):211-214. DOI: 10.1007/s10396-009-0232-4


A 12-year-old girl who had undergone cardiac surgery for ventricular septal defect (VSD), atrial septal defect (ASD), and
patent ductus arteriosus (PDA) in infancy was referred to our institution for fatigue and excessive sweating. Transthoracic
and transesophageal echocardiographic studies revealed tunnel-type subaortic stenosis with aortic valvular stenosis, for which
she underwent aortic valve replacement and myomectomy of left ventricular outflow tract. Progression of subaortic stenosis
should be considered in patients with only mild aortic valve stenosis after previous cardiovascular surgery. Echocardiography
contributed significantly to making the diagnosis and therapeutic decision in our patient.

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