Article
The results of total hip prosthesis in rheumatoid arthritis patients with secondary coxarthrosis
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Published: | September 12, 2014 |
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Background: To review the results of total hip prosthesis according to baseline disease activity
Methods: Total hip prosthesis was used on 36 RA patients (32 women, 4 men) with a mean age of 49,5 ± 15,82 years. High disease activity by DAS28 was observed in 10 patients (27.8%), moderate - in 19 (52.8%), low - in 7 (19.4%) patients, the mean DAS28 4,5 ± 1,7. At the time of surgery (before and after), 24 (66.7%) of the patients continued to take DMARDs. 6 (16.6%) patients received biological therapy, which were canceled before the operation in accordance with the terms specified in the national guidelines. 19 (52.8%) patients received steroids, of which, in combination with DMARDs - 7 (19.4%). Before the surgery, in the postoperative period and after 6 months VAS, DAS28, HAQ have been evaluated
Results: For 6 months after surgery VAS decreased by 2.5 times to 31,7 ± .19,4 mm (p <0.05), disease activity decreased (high - 4 (11.1%), moderate 17 (47.2%), low -15 (41,7%)), DAS28 = 1,1 ± .0,7, HAQ index decreased from 1,63 ± 0,91 to 1,04 ± 0, 78 (p <0.05). VAS in patients receiving steroids alone (n = 12) was - 24,9 ± .18,6 mm, steroids + DMARD (n = 7) - 29,1 ± 19,7 mm, only DMARDs (n = 11 ) 34,8 ± 18,9 mm, biological therapy + DMARD (n = 6) 37,4 ± 20,8 mm. Activity decreasing - DAS28 – did not depend from treatment. Functional capacity in patients in the group (n = 17), receiving DMARDs with or without biological therapy ( HAQ = -0,69 ± 0,34) compared to patients receiving steroids without basic therapy (n = 12) - HAQ = -0,48 ± 0,31 was significantly better improved (p <0.05).
Conclusion: Total hip prosthesis is an effective way to improve functional capacity, to relieve pain and to reduce the activity of RA. Functional ability after surgery is higher in patients using DMARDs continuously and receiving biological therapy compared to patients receiving steroids.