title: An unusual cause of arterial desaturation in the premature infant undergoing patent ductus arteriosus ligation.
abstract: A premature infant undergoing ligation of a patent ductus arteriosus had arterial desaturation during surgical retraction, which was caused by a previously unrecognized vascular ring anomaly.
authors.affiliation: Departments of Anesthesiology and Critical Care Medicine, Children's Hospital of Los Angeles, California.
authors.forename: Laura A
authors.initials: LA
authors.lastname: Hastings
authors.forename: Gerald A
authors.initials: GA
authors.lastname: Bushman
mesh_terms: D001013:Aorta, Thoracic / Q000473:pathology / Q000601:surgery; D001784:Blood Gas Analysis; D006348:Cardiac Surgical Procedures; D004374:Ductus Arteriosus, Patent / Q000150:complications / Q000601:surgery*; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D010100:Oxygen / Q000097:blood*; D013908:Thoracotomy
chemical_list: D010100:Oxygen