J Korean Orthop Assoc.  1999 Aug;34(4):681-686.

Cementless Total Knee Arthroplasty and Effects of Disease Modifying Anti-Rheumatic Drugs in Rheumatoid Arthritis

  • 1Department of Orthopedic surgery, St. Mary's Hospital, The Catholic University of Korea.


We reviewed patients with rheumatoid arthritis to evaluate the results of cementless total knee replacement and the effects of Disease Modifying Anti-Rheumatoid Drugs.
The results of 59 cementless total knee arthroplasty in 35 patients were retrospectively analyzed. Cases were divided into two groups: one was treated with Disease Modifying Anti-Rheumatic Drugs and the other without them. Clinical and radiological outcomes were evaluated using the Knee Society clinical rating system and Knee Society roentgenographic evaluation and scoring system, respectively.
At the most recent follow-up, femoral flexion angle, tibial angle and total valgus angle in anteroposterior view were 97.1, 89.1 and was 7.6. Femoral flexion angle and tibial angle in lateral view were 3.0 and 91.0. There were no statistical differences as compared with the postoperative values. There were also no statistical differences between the two groups. Knee score and function score of all cases were 85.5 and 67.6. Those of the group treated with Disease Modifying Anti-Rheumatic Drugs were 90.9 and 78.1. Those of the group without them were 74.0 and 45.5.
Results of the cementless total knee arthroplasty in rheumatoid arthritis are very promising and Disease Modifying Anti-Rheumatic Drugs have an effect on the postoperative clinical results.


Knee; Rheumatoid arthritis; Cementless total knee arthroplasty; Disease modifying Anti-rheumatic drugs
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