Follow-up Study of Arthroscopic Synovectomy of the Rheumatoid Arthritic Knee Joint.

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The clinical results after arthroscopic synovectomy in 24 knees of 14 RA patients with chronic synovitis were reviewed. The follow-up period ranged from 2 to 55 months, with an average of 32 months. The operated knee joints were divided into early synovectomy (Larsen's grade 0, 1, 2) and late synovectomy (Larsen's grade 3, 4, 5). Compared with preoperative findings, pain and swelling was on the whole improved. In early synovectomy, pain and swelling was improved in 11 of 13 knees and the effect was expected to remain for 3 to 5 years. In comparison, in late synovectomy, pain and swelling was improved in 5 of 9 knees (56%) within 3 years after surgery, with none achieving a good result after more than 3 years. This procedure seems to be indicated in early grade patients and appears to provide significant time saving in late grade patients.
西日本整形・災害外科学会の論文