title: Relief of left ventricular outflow tract obstruction in infants and small children with valved extracardiac conduits.
abstract: Six infants and small children underwent placement of a porcine valved apical-aortic conduit for left ventricular outflow tract obstruction. Five survived operation and continue to do well without evidence of marked narrowing or valve regurgitation in the conduit. The operative technique is described.
mesh_terms: D001013:Aorta, Thoracic / Q000601:surgery*; D001807:Blood Vessel Prosthesis; D002312:Cardiomyopathy, Hypertrophic / Q000601:surgery; D002648:Child; D005500:Follow-Up Studies; D006330:Heart Defects, Congenital / Q000601:surgery; D006349:Heart Valve Diseases / Q000601:surgery; D006350:Heart Valve Prosthesis; D006439:Hemodynamics; D006801:Humans; D007223:Infant