All information about patent ductus arteriosus (PDA)  causes of patent ductus arteriosus symptoms of patent ductus arteriosus diagnosis of patent ductus arteriosus treatments for patent ductus arteriosus |
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What causes patent ductus arteriosus?
Before birth, the mother and placenta take care of the oxygen needs of the fetus (baby before birth). The fetus does not need to use his/her lungs. Therefore, very little blood needs to go to the lungs to help them grow. The ductus arteriosus allows most of the blood to bypass the lungs and go the rest of the body. After birth, the baby must use his/her lungs to take in
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oxygen and get rid of carbon dioxide. Now, the blood from the pulmonary artery needs to go to the lungs to pick up oxygen instead of going through the ductus arteriosus. Normally after birth the ductus gradually narrows and then closes in the first few hours to days. In premature infants, especially those who have had respiratory distress syndrome, this blood vessel may stay open.
Some babies are more likely to have PDA, especially premature babies. Babies with respiratory problems at birth may have a difficult time increasing the pressure inside the lungs and changing the blood flow. PDA is also a common congenital (present at birth) heart defect and may occur along with other heart defects. It is twice as common in females as in males. |
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More information on patent ductus arteriosus
What is patent ductus arteriosus (PDA)? - Patent ductus arteriosus (PDA) is a congenital heart defect wherein a child's ductus arteriosus fails to close after birth.
What causes patent ductus arteriosus? - Some babies are more likely to have PDA, especially premature babies. In premature infants, especially those who have had respiratory distress syndrome, this blood vessel may stay open.
What are the symptoms of patent ductus arteriosus? - Symptoms of patent ductus arteriosus may include fatigue, sweating, rapid breathing, heavy breathing, congested breathing, disinterest in feeding, or tiring while feeding, poor weight gain.
How is patent ductus arteriosus diagnosed? - Your child's physician may have heard a heart murmur during a physical examination, and referred your child to a pediatric cardiologist for a diagnosis.
What're the treatments for patent ductus arteriosus? - Both surgical and non-surgical methods of treatment are available. In premature infants, an intravenous (IV) medication called indomethacin may help close a patent ductus arteriosus. |
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