[Subvalvular aortic stenosis in adults. Apropos of 31 cases].

The aim of this cooperative study was to analyse the clinical profile of subvalvular aortic stenosis (SVAS) in adults. Thirty one cases were collected : patients aged 17 to 60 years (average 34 years). The diagnosis was confirmed in all patients either at surgery (30 cases) or at autopsy (1 case).