Total shoulder arthroplasty.

摘要: A prospective study was done of fifty total shoulder replacements in forty-four patients who were followed for an average 3.5 years (range, 2.0 to 7.5 years). The preoperative diagnosis osteoarthritis thirty-three shoulders, rheumatoid arthritis eleven, and a previous fracture the humeral head six shoulders. Nine shoulders had tear rotator cuff. Neer-II system replacement with non-metal-backed component used all At follow-up, (88 per cent) no significant pain. Of painful four loosening glenoid one malposition both components. Three pain after revision. range active forward elevation improved from 71 100 degrees, external internal rotation as well. Five specific activities daily living evaluated, patients' ability perform them 14 78 cent. Thirty-five (68 rated by much better; thirteen (26 cent), three (6 better. An incomplete lucent line noted around five (10 cemented stems thirty-seven (74 prostheses. Four arthroplasties (8 required revision: components.(ABSTRACT TRUNCATED AT 250 WORDS)