DO Hyun Kim, Youn Mo Ahn, Ha Balk Lee, Kyoo Hwan Rhee, Hahng Lee, Seok Chol Jeon
Clin Exp Pediatr. 1988;31(9):1139-1145. Published online September 30, 1988
Ductus arteriosus plays important hemodynamic role in fetal development, and establish a certain
spatial relationship with aorta. Although ductus arteriosus normally closes after birth, it could remain
patent alone, or in association with various congenital heart anomalies. In these patients the develop-
mental hemodynamic changes may result in the specific variation in the spatial relationhip of patent
ductus arterisus (PDA) and aortic arch.
The developmental...
