We report a case of a 750 grams premature female who Blackcherry Concentrate was scheduled for surgical ligation of a patent arterial duct.Intra-operative findings showed a patent arterial duct in association to a retro-esophageal aortic arch creating a complete vascular ring around the trachea, which was successfully divided.A vascular ring should be ruled-out in premature Proteins infants prior to ductal ligation at bidimensional echocardiography.
Keywords: congenital heart disease; premature infant; surgery; vascular ring.