Patent ductus arteriosus (PDA) is a persistent opening between two major blood vessels leading from the heart. The opening, called the ductus arteriosus, is a normal part of a baby's circulatory system before birth that usually closes shortly after birth. If it remains open, however, it's called a patent ductus arteriosus.
A small patent ductus arteriosus often doesn't cause problems and might never need treatment. However, a large patent ductus arteriosus left untreated can allow poorly oxygenated blood to flow in the wrong direction, weakening the heart muscle and causing heart failure and other complications.
Treatment options for a patent ductus arteriosus include monitoring, medications and closure by cardiac catheterization or surgery.
Dec. 16, 2014
- What is patent ductus arteriosus? National Heart, Lung, and Blood Institute. http://www.nhlbi.nih.gov/health/health-topics/topics/pda/. Accessed Oct. 20, 2014.
- Patent ductus arteriosus. The Merck Manual Professional Edition. http://www.merckmanuals.com/professional/pediatrics/congenital_cardiovascular_anomalies/patent_ductus_arteriosus_pda.html?qt=patent%20ductus%20arteriosus&alt=sh. Accessed Oct. 20, 2014.
- Doyle T, et al. Clinical manifestations and diagnosis of patent ductus arteriosus. http://www.uptodate.com/home. Accessed Oct. 20, 2014.
- Doyle T, et al. Management of patent ductus arteriosus. http://www.uptodate.com/home. Accessed Oct. 20, 2014.
- Planning for pregnancy. Centers for Disease Control and Prevention. http://www.cdc.gov/preconception/planning.html. Accessed Oct. 22, 2014.
- Riggin EA. Decision Support System. Mayo Clinic, Rochester, Minn. July 10, 2014.
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