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    ARTICLE

    Comparative case studies: PDAs treated with medication, surgical ligation, and transcatheter device closure

    Ruth Seaton, Chandler Williams, Julia Peredo

    Congenital Heart Disease, Vol.14, No.1, pp. 65-68, 2019, DOI:10.1111/chd.12711

    Abstract The ductus arteriosus is a lifeline for the developing fetus prior to delivery, allowing the circulation of oxygen‐rich blood from the placenta to bypass the lungs and per‐ fuse the body. However, when the ductus fails to close after birth, the pressures can cause blood to shunt from the aorta back into the lungs, causing pulmonary edema. This is called a left‐to‐right shunt. The patent ductus arteriosus (PDA) can also shunt blood from the pulmonary arteries to the aorta, bypassing the lungs and causing oxy‐ gen‐poor blood to mix with the oxygen‐rich blood circulating to More >

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