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  • Title: Good long-term outcome of synovectomy in advanced stages of the rheumatoid elbow.
    Author: Ishii K, Inaba Y, Mochida Y, Saito T.
    Journal: Acta Orthop; 2012 Aug; 83(4):374-8. PubMed ID: 22880708.
    Abstract:
    BACKGROUND AND PURPOSE: Synovectomy is an effective procedure for management of the rheumatoid elbow at radiographically early stages (Larsen grades 1 and 2). However, its efficacy for advanced stages (Larsen grades 3-5) is controversial. We investigated the outcome of synovectomy for advanced stages of the rheumatoid elbow. METHODS: Between May 1985 and September 1994, synovectomy was performed for 67 rheumatoid elbows in 59 patients (mean age 52 (26-72) years, 54 women). 3 elbows (3 patients) were lost to follow-up after mean 15 (10-23) years. Thus, 64 elbows were evaluated clinically and radiographically. RESULTS: The mean Mayo elbow performance score (MEPS) improved from 42 (15-75) points preoperatively to 78 (45-100) points at the final follow-up examination. In cases of Larsen grade 5, the mean MEPS at final follow-up examination (69 points) was lower than those of Larsen grade 3 and 4 cases (80 and 79 points, respectively) (p < 0.01). Recurrence of synovitis was obvious in 20/67 elbows. 12 cases had a total elbow arthroplasty mean 13 years after the synovectomy. The 10-year, 15-year, and 20-year survival rates were 97%, 75%, and 70%, respectively. INTERPRETATION: Our findings suggest that synovectomy for the rheumatoid elbow gives a good long-term outcome for radiographically judged destroyed joints of Larsen grades 3-4.
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