Quadricuspid aortic valve associated with fibromuscular subaortic stenosis and aortic regurgitation treated by conservative surgery.

A case of subaortic fibromuscular stenosis associated with a quadricuspid aortic valve with severe aortic insufficiency is reported. Correction of the anomaly was by resection of the subaortic stenosis and aortic valvuloplasty was performed with excellent clinical and hemodynamic results.