Study of postoperative left ventricular function with and without residual pulmonary stenosis.
D002648:Child; D002675:Child, Preschool; D004452:Echocardiography; D006330:Heart Defects, Congenital / Q000503:physiopathology* / Q000601:surgery; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D007223:Infant; D011184:Postoperative Period; D011666:Pulmonary Valve Stenosis / Q000503:physiopathology*