Aneurysmal dilatation of ductus arteriosus during lipo-prostaglandin E1 therapy for diaphragmatic hernia.

We report a case of congenital diaphragmatic hernia in which aneurysmal dilatation of ductus arteriosus developed after lipo-prostaglandin E1 (PGE1) therapy for persistent fetal circulation. After surgery Lipo-PGE1 was used at a dosage of 5 ng/kg per minute from days 2-9 during which aneurysmal dilatation (7 mm in diameter) developed and remained thereafter. Ductus arteriosus ligation was then performed. Lipo-PGE1 may promote ductus arteriosus dilatation in cases of persistent fetal circulation.