Copyright © 1990 by the European Society of Cardiology.
© 1990 The European Society of Cardiology
Discrete subaortic stenosis (DSS) in childhood: a congenital or acquired disease? Follow-up in 65 patients
*Department of Paediatric Cardiology, ‘Ramon y Cajal’ Hospital Madrid, Spain
Received 9 February 1989; revised 27 July 1990; .
Address for reprints. M. J. Maitre Azc{acute}rate, Servicio de Cardiologia Pedi{acute}trica, Hospital ‘Ramon y Cajal’, Crr. de Colmenar Km. 9.100.28034 Madrid, Spain.
Abstract
Discrete subaortic stenosis (DSS) is a frequent malformation easily diagnosed by echocardiography; surgical resection of the membrane is the most suitable treatment. However, some evolutive aspects of the lesion remain unexplained (the presence of aortic dysfunction, associated malformations, etc. ). With a view to analyse these aspects, we have studied 65 patients with DSS and divided them into two groups: Group I. 37patients without surgery, and Group II, 28 patients treated by resection of the membrane. During follow-up we observed: (a) development of aortic regurgitation in operated and non-operated cases; (b) frequent association of DSS with closed or closing ventricular septal defect; (c) the absence of DSS in neonates and (d) the progressive growth of the membrane. These aspects give this malformation an evolutive character that requires observation and management even after resection of the DSS.
Key Words: Aortic regurgitation • surgery • ventricular septal defect
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