title: Severe pulmonary hypertension with patent ductus arteriosus.
abstract: A 36-year-old man was found to have severe pulmonary hypertension and a right-to-left shunt secondary to a patent ductus arteriosus. Attempt at surgical closure was unsuccessful. The patient was followed up for 21 years, and his only significant medical problem is leg weakness to moderate exertion.
mesh_terms: D004374:Ductus Arteriosus, Patent / Q000150:complications*; D005500:Follow-Up Studies; D006801:Humans; D006976:Hypertension, Pulmonary / Q000209:etiology*; D008297:Male; D008875:Middle Aged