This article presents common misconceptions about the physiologic significance of early ductal shunting and reviews the evidence regarding the preferential use of echocardiography rather than ...

Cite this: Current Controversies in the Diagnosis and Treatment of Patent Ductus Arteriosus in Preterm Infants - Medscape - Aug 01, 2003. The DA of a very preterm infant has minimal constriction ...

Preterm infants frequently have a patent ductus arteriosus (PDA), and its incidence is inversely related to gestational age (1,2). Aortopulmonary shunting via the PDA leads to excessive blood ...