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  • Title: Long-term follow-up study of radiocarpal arthrodesis for the rheumatoid wrist.
    Author: Ishikawa H, Murasawa A, Nakazono K.
    Journal: J Hand Surg Am; 2005 Jul; 30(4):658-66. PubMed ID: 16039354.
    Abstract:
    PURPOSE: Pain-free stability of the wrist is a prerequisite for the rheumatoid hand to maintain power and perform various tasks. The purpose of this study was to investigate whether a radiocarpal (radiolunate, radioscapholunate, or radiolunotriquetral) arthrodesis produces a stable wrist and whether the results remain satisfactory for more than 10 years. METHODS: A retrospective review was performed on 25 wrists of 25 patients with rheumatoid arthritis who had radiocarpal arthrodesis. All patients had a synovectomy of the extensor tendons and the wrist joint combined with a Darrach procedure. The indications for radiocarpal arthrodesis included radiographic changes in Larsen-Dale-Eek grades II to IV, midcarpal joint space of greater than 1 mm, and ulnar shift or palmar subluxation of the carpus. The presence of scapholunate dissociation was an optional indication. The mean follow-up period was 13 years (range, 10-18 y) and radiographs taken just before the surgery and 0 to 2 years, 2 to 5 years, 5 to 10 years, and more than 10 years after the surgery were evaluated as were pain relief, swelling, grip power, range of motion, and complications. RESULTS: Pain was resolved for 22 of the patients and 3 experienced occasional mild pain. Swelling generally decreased, grip power increased significantly, flexion decreased, and forearm rotation increased significantly. The complication rate was low. Radiographically ulnar shift and palmar subluxation improved initially and were maintained at the time of the 10-year follow-up evaluation; carpal collapse improved initially but returned to the preoperative level by the time of the 5-year follow-up evaluation. The midcarpal joint space was preserved in 16 wrists, and all but 1 wrist (in a patient with mutilating type of the disease) remained stable. CONCLUSIONS: Radiocarpal arthrodesis for treatment of the rheumatoid wrist results in good stability with preservation of motion despite radiographic progression of the disease. We therefore recommend this treatment for the unstable wrist with moderate deterioration.
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