The Journal of Bone and Joint Surgery, Vol 70, Issue 6 802-811, Copyright © 1988 by Journal of Bone and Joint Surgery, Inc
Use of a total condylar knee prosthesis for treatment of osteoarthritis and rheumatoid arthritis. Long-term results
VM Goldberg, MP Figgie, HE Figgie, KG Heiple and M Sobel
Department of Orthopaedics, Case Western Reserve University School of Medicine, Cleveland, Ohio 44106.
Between May 1975 and December 1979, 113 patients had 153 arthroplasties
using a total condylar knee prosthesis. Thirty patients (forty-two knees)
died, and one (two knees) was lost to follow-up. Thirty-eight of these
forty-four knees had been followed for more than two years, and none had
had a revision. The remaining eighty-two patients (109 knees) were followed
for an average of nine years (range, seven to 11.5 years). At the time of
the latest examination, ten had had a revision for various reasons. For the
ninety-nine knees that had the original prosthesis, the findings were
compared with those of an evaluation that had been done four years
postoperatively. The average over-all knee score was found to have
decreased between the four-year and the latest follow-up evaluation,
primarily because of a 7-point decrease in the score for function. The rate
of infection was 0.6 per cent. The knees that had had patellar resurfacing
had better over-all scores and better scores for pain than those that had
not. This was particularly true in the patients who had osteoarthritis. The
results of arthroplasty using a total condylar prosthesis appeared to be
consistent and durable. Although there was a decrease in the quality of the
functional result with increasing age, the patients reported consistent
relief of pain.
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