• J Wright, F C Ewald, P S Walker, W H Thomas, R Poss, and C B Sledge.
• Department of Orthopedic Surgery, Brigham and Women's Hospital, Boston, Massachusetts 02115.
• J Bone Joint Surg Am. 1990 Aug 1; 72 (7): 1003-9.

AbstractA review of the results of 192 kinematic total knee replacements five to nine years after the operation showed that the results were still satisfactory. At the time of the review, the ages of the patients ranged from twenty-two to eighty-seven years. About half of the patients had rheumatoid arthritis and the other half, osteoarthrosis. About 90 per cent of the results were rated good or excellent, and the average range of flexion was 109 degrees. Radiolucency was present around 40 per cent of the tibial components, 30 per cent of the femoral components, and 60 per cent of the patellar components, but the lines were thin and not progressive. The complications included loosening of the patellar components in five knees, one fracture of the tibial tray with loosening of the patellar component, one fracture of the patellar component, and one dislocation of the patellar component.

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