[Konno procedure for congenital aortic stenosis associated with complex left ventricular outflow tract obstruction]
T Uchida1, M Fukasawa, Y Kawahara
1Department of Cardiovascular Surgery, Yamagata Prefectural Central Hospital, Yamagata, Japan.
Abstract:
Two successful cases of Konno procedure for congenital aortic stenosis and left ventricular outflow tract obstruction (LVOTO) were reported herein. A 3-year-old child previously underwent definitive repair of complete atrioventricular septal defect. Follow-up echocardiography revealed progression of valvular aortic stenosis and subaortic tunnel stenosis. Second patient was a 30-year-old male with congenital aortic stenosis, severe LVOTO and funnel chest. Both patients underwent Konno procedure, and their postoperative courses were uneventful. The Konno procedure is effective and stenotic lesion could be enlarged sufficiently even in complex LVOTO. Especially in the patient of advanced age, care should be taken to fragility of the left ventricular muscle and coronary malperfusion caused by the procedure itself.
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