Abstract
Long-term results of kinematic stabilizer total knee arthroplasty (TKA) were assessed clinically using the knee score of the Japanese Orthopedic Association. TKA was carried out on 43 knees of 24 rheumatoid patients. The mean age of patients at time of surgery was 57.3 years and the mean follow-up period was 11.2 years (range 10-15.2) . The average knee score was 36.5 before surgery, which improved to 60.3 at the final follow-up. This was statistically significant (95%CI, P<0.0001) . One patient had femoral loosening but there was no revision surgery. Three patients received intrascopic treatment for pain in the patello-femoral joints. Activities of daily living (ADL) decreased with time in some severe cases with multiple joint destruction, incomplete spinal palsy, and renal failure induced by amyloidosis. Our results suggest that kinematic stabilizer total knee arthroplasty is a good form of treatment for RA patients.
