Patent Ductus Arteriosus (PDA)enparents ductus arteriosus is a blood vessel that connects two major arteries before birth and normally closes after a baby is born. If it stays open, the result is a condition called patent ductus arteriosus (PDA).patent ductus, Patent Ductus Arteriosus, PDA, heart murmur, my child has a heart defect, congenital defect, heart defect, heart defects, heart problem, heart problems, heart, congenital heart defects, heart abnormalities, common heart defects, heart surgery, my baby's heart, my child's heart, heart chambers, heart valves, pulmonary valves, arteries, blood vessels, stethoscopes, pediatricians, heart doctors, pulmonologists, pediatric cardiologists, cardiology, chest x-ray, ecg, ekg, echocardiogram, pulmonary stenosis, atrial septal defect, ventricular septal defect, aortic stenosis, pulmonary stenosis, hole in the heart, march of dimes, congenital birth defects, congenital birth defect, neonatal, neonatology, heart surgery, cardiac, baby was born with a heart problem, CD1Congenital Heart Defects, CD1Cardiac Catheterization, CD1Heart Surgery, CD1Congenital Heart Defects, CD1Cardiac Catheterization, CD1Heart Surgery, CD1Patent Ductus Arteriosus01/25/201211/27/201709/02/2019Gina Baffa, MD08/01/20171220a363-ed10-4541-94c6-ecb923902cd8<h3>What Is Patent Ductus Arteriosus?</h3> <p>Patent ductus arteriosus (PDA) is an extra blood vessel found in babies before birth and just after birth.</p> <p>In most babies who have an otherwise normal <a href="">heart</a>, the PDA will shrink and close on its own in the first few days of life. If it stays open longer, it may cause extra blood to flow to the lungs. Problems are most likely if the PDA is large. Some smaller PDAs that don't close early will seal up on their own by the time the child is a year old.</p> <p><img class="right" title="" src="" alt="Illustration: Healthy Heart" /></p> <p>A patent ductus arteriosus (PAY-tent DUK-tus are-teer-ee-OH-sus) is more likely to stay open in a <a href="">premature infant</a>, particularly if the baby has lung disease. When this happens, doctors might need to close the PDA.</p> <h3>What Happens in Patent Ductus Arteriosus?</h3> <p>The ductus arteriosus is a normal blood vessel that connects two major arteries &mdash; the aorta and the pulmonary artery &mdash; that carry blood away from the heart.</p> <p><img class="right" title="" src="" alt="Illustration: Patent Ductus Arteriosus" /></p> <p>The lungs are not used while a fetus is in the womb because the baby gets oxygen directly from the mother's placenta. The ductus arteriosus carries blood away from the lungs and sends it directly to the body. When a newborn breathes and begins to use the lungs, the ductus is no longer needed and usually closes by itself during the first 2 days after birth.</p> <p>If the ductus doesn't close, the result is a patent (meaning "open") ductus arteriosus. The PDA lets oxygen-rich blood (blood high in oxygen) from the aorta mix with oxygen-poor blood (blood low in oxygen) in the pulmonary artery. As a result, too much blood flows into the lungs, which puts a strain on the heart and increases blood pressure in the pulmonary arteries.</p> <p>In infants born with other heart problems that decrease blood flow from the heart to the lungs or decrease the flow of oxygen-rich blood to the body, the PDA may actually help, and the doctor might prescribe medicine to keep the ductus arteriosus open.</p> <h3>What Causes Patent Ductus Arteriosus?</h3> <p>The cause of PDA is not known, but genetics might play a role. PDA is more common in premature babies and affects twice as many girls as boys. It's also common among babies with neonatal respiratory distress syndrome, babies with genetic disorders (such as <a href="">Down syndrome</a>), and babies whose mothers had rubella (also called German measles) during pregnancy.</p> <h3>What Are the Signs &amp; Symptoms of Patent Ductus Arteriosus?</h3> <p>Babies with a large PDA might have symptoms such as:</p> <ul> <li>a bounding (strong and forceful) pulse</li> <li>fast breathing</li> <li>not feeding well</li> <li>shortness of breath</li> <li>sweating while feeding</li> <li>tiring very easily</li> <li>poor growth</li> </ul> <h3>How Is Patent Ductus Arteriosus Diagnosed?</h3> <p>If a PDA is suspected, the doctor will use a stethoscope to listen for a <a href="">heart murmur</a>, which is often heard in babies with PDAs. Follow-up tests might include:</p> <ul> <li>a <a href="">chest X-ray</a></li> <li>an <a href="">EKG</a>, a test that measures the heart's electrical activity and can show if the heart is enlarged</li> <li>an echocardiogram, a test that uses sound waves to diagnose heart problems. These waves bounce off parts of the heart, creating a picture of the heart. In babies with PDA, an echo shows how big the opening is and how well the heart is handling it.</li> <li>blood tests</li> </ul> <h3>How Is Patent Ductus Arteriosus Treated?</h3> <p>The three treatment options for PDA are medicine, <a href="">catheter-based procedures</a>, and surgery. A doctor will close a PDA if the size of the opening is big enough that the lungs could become overloaded with blood, a condition that can lead to an enlarged heart.</p> <p>A doctor also might close a PDA to reduce the risk of developing a heart infection known as <strong>endocarditis</strong>, which affects the tissue lining the heart and blood vessels. Endocarditis is serious and requires treatment with intravenous (IV) antibiotics.</p>Conducto arterioso persistente (CAP)Las causas del CAP son desconocidas, pero se piensa que la genética suele desempeñar un papel importante. El CAP es más común en los bebés prematuros y suele ocurrir con el doble de frecuencia en las niñas que en los niños.
Arrhythmia (Abnormal Heartbeat)An arrhythmia is an abnormal heartbeat usually caused by an electrical "short circuit" in the heart. Many are minor and not a health threat, but some can indicate a more serious problem.
ArrhythmiasArrhythmias are abnormal heartbeats usually caused by an electrical "short circuit" in the heart. Many are minor and not a significant health threat, but others can indicate a more serious problem.
Atrial Septal DefectAtrial septal defect, or ASD, is a heart defect that some people are born with. Most ASDs are diagnosed and treated successfully with few or no complications.
Atrial Septal Defect (ASD)Atrial septal defect (ASD) — also known as a "hole in the heart" — is a type of congenital heart defect. Most ASDs are diagnosed and treated successfully.
Coarctation of the AortaWhen someone has coarctation of the aorta, that person's aorta (the major blood vessel that carries blood away from the heart to the body) is narrowed at some point.
Congenital Heart DefectsHeart defects happen when there's a problem with a baby's heart development during pregnancy. Most heart defects can be treated during infancy.
Heart MurmursEveryone's heart makes sounds, but some people have hearts that make more noise than others. Usually, however, these heart murmurs don't mean anything is wrong. Find out more about these mysterious murmurs.
Heart and Circulatory SystemThe heart and circulatory system (also called the cardiovascular system) make up the network that delivers blood to the body's tissues.
Ventricular Septal DefectVentricular septal defect, or VSD, is a heart condition that a few teens can have. Find out what it is, how it happens, and what doctors do to correct it.
Ventricular Septal Defect (VSD)Ventricular septal defect (VSD) — also known as a "hole in the heart" — is a congenital heart defect. Most VSDs are diagnosed and treated successfully.
Words to Know (Heart Glossary)Your heart beats and sends blood all around your body. Find out more about the heart, from A to Z, in this glossary.
Your Heart & Circulatory SystemYour heart is a hard-working muscle. Find out more in this article for kids.
kh:age-babyZeroToOnekh:age-toddlerOneToThreekh:clinicalDesignation-cardiologykh:genre-articlekh:primaryClinicalDesignation-cardiologyHeart & Blood Vessels Conditions