,INDICATION FOR SURGERY: , This premature baby with operative weight of 600 grams and evidence of persistent pulmonary over circulation and failure to thrive has been diagnosed with a large patent ductus arteriosus originating in the left-sided aortic arch. 
,INDICATION FOR SURGERY : , This premature baby with operative weight of 600 grams and evidence of persistent pulmonary over circulation and failure to thrive has been diagnosed with a large patent ductus arteriosus originating in the left - sided aortic arch .