Arthroscopic Synovectomy of the Knee Joint in Rheumatoid Arthritis.

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Arthroscopic synovectomy of the Knee was performed on 18 joints in 21 patients with rheumatoid arthritis. The average follow-up period was 1 year 1 month, ranging from 6 months to 2 years.The procedure was performed using both shaver and punch. Synovial tissue in the suprapateller pouch and medial and lateral sulci was resected using a shaver, and synovial tissue at the intercondylar notch and above and below the meniscus was resected using a punch.We assessed the preoperative X-ray findings using 6 stages of Larsen's grading and the arthroscopic cartilaginous findings using 5 stages. The postoperative results were evaluated using the JOA score for the rheumatoid knee.Results for the early stage cases were superior to those for the late stage cases. However the procedure for the late stage cases was useful, even if the postoperative improvement was temporary.These results suggest that arthroscopic synovectomy is a useful method for local treatment of rheumatoid arthritis.
西日本整形・災害外科学会の論文