Cardiac surgery in the infant group.
D006348:Cardiac Surgical Procedures / Q000295:instrumentation / Q000401:mortality; D004374:Ductus Arteriosus, Patent / Q000601:surgery; D006330:Heart Defects, Congenital / Q000601:surgery*; D006345:Heart Septal Defects, Ventricular / Q000601:surgery; D006349:Heart Valve Diseases / Q000601:surgery; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D011182:Postoperative Care; D013771:Tetralogy of Fallot / Q000601:surgery; D014188:Transposition of Great Vessels / Q000601:surgery