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The ductus arteriosus should be present and open before birth while the fetus is developing in the uterus.
Since oxygen and nutrients are received from the placenta and the umbilical cord instead of the lungs, the ductus arteriosus acts as a"short cut" that allows blood to bypass the deflated lungs and go straight out to the body.
Medicines can work very well for some newborns, with few side effects.
The earlier treatment is given, the more likely it is to succeed.
Closure of the ductus arteriosus usually occurs at birth as levels of certain chemicals, called prostagladins, change and the lungs fill with air.
A transcatheter device closure is a procedure that uses a thin, hollow tube placed into a blood vessel. Surgery may be needed if the catheter procedure does not work or it cannot be used due to the baby's size or other reasons.Babies with a larger PDA could develop heart problems such as heart failure, high blood pressure in the arteries of the lungs, or an infection of the inner lining of the heart if the PDA does not close. Chen, MD, Ph D, Associate Professor of Medicine, Division of Cardiology, Harborview Medical Center, University of Washington Medical School, Seattle, WA. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A. The doctor passes a small metal coil or other blocking device through the catheter to the site of the PDA. Surgery involves making a small cut between the ribs to repair the PDA. If a small PDA stays open, the baby may eventually develop heart symptoms.