title: [Echocardiographic study of calcification of a dura mater prothesis. Presentation of 4 cases].
mesh_terms: D000293:Adolescent; D000328:Adult; D001021:Aortic Valve / Q000601:surgery; D001794:Blood Pressure; D002114:Calcinosis / Q000209:etiology*; D002648:Child; D002932:Cineangiography; D004388:Dura Mater / Q000637:transplantation*; D004452:Echocardiography; D006350:Heart Valve Prosthesis; D006801:Humans; D008297:Male; D008943:Mitral Valve / Q000601:surgery; D011183:Postoperative Complications
vernacular_title: Estudo ecocardiográfico da calcificação da prótese de dura-máter. Appresentação de 4 casos.