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Patent ductus arteriosus in the adult is an extremely rare clinical phenomenon. We report the case of a year old man who developed pulmonary endarteritis and subsequent embolic lung abscess. Patent ductus arteriosus (PDA) is a fairly common congenital heart defect that occurs in about 3, newborns every year in the United States, according to the Cleveland originalhoffbrausteaks.com occurs when a. Patent ductus arteriosus (PDA) is a congenital heart defect in which the ductus arteriosus, a vascular structure between the pulmonary artery and the aorta that normally closes shortly after birth, remains open. We present two cases of adults with PDA.
In the developing fetusthe ductus arteriosusalso called the ductus Botalliis a blood vessel connecting the main pulmonary artery to the proximal descending what is adult patent ductus ateriosus.
It allows most of the blood from the right ventricle to bypass the fetus's fluid-filled non-functioning lungs. Upon closure at birth, it becomes the ligamentum arteriosum. There are two other fetal shunts, the ductus venosus and the foramen ovale. The ductus arteriosus is formed from the left 6th aortic arch during embryonic development  and attaches to the final part of the aortic arch the isthmus of aorta and the first part of the pulmonary artery .