[Postoperative follow-up study of prosthetic valve replacement by echocardiography: a clinical analysis of 202 cases].
D000293:Adolescent; D000328:Adult; D001705:Bioprosthesis / Q000009:adverse effects; D002648:Child; D004452:Echocardiography; D004697:Endocarditis, Bacterial / Q000209:etiology; D005260:Female; D005500:Follow-Up Studies; D006350:Heart Valve Prosthesis / Q000009:adverse effects; D006801:Humans; D008297:Male; D008875:Middle Aged; D011184:Postoperative Period; D011475:Prosthesis Failure