Objective: To study the anatomic-clinical profile of aortic bicuspidy and outcome surgery. Patients Methods: During an 18-year period, 448 patients had valve replacement. Of these, 24 (5.3%) (AB). The diagnosis AB was made by echocardiography or during All underwent surgery under extracorporeal circulation. Results: mean age 45.2 ± 11.8 years, 14 (58.3%) stenosis 10 cases (41.7%) insufficiency,...