title: Severe pulmonary hypertension accompanying patent ductus arteriosus.
mesh_terms: D000293:Adolescent; D000328:Adult; D006332:Cardiomegaly / Q000150:complications; D004374:Ductus Arteriosus, Patent / Q000150:complications* / Q000175:diagnosis / Q000601:surgery; D005260:Female; D006352:Heart Ventricles; D006439:Hemodynamics; D006801:Humans; D006976:Hypertension, Pulmonary / Q000150:complications* / Q000209:etiology; D008297:Male; D008875:Middle Aged; D011651:Pulmonary Artery / Q000000981:diagnostic imaging; D011859:Radiography; D014655:Vascular Resistance