• Hiroshi Yajima, Yasunori Kobata, Koji Shigematsu, Kenji Kawamura, and Yoshinori Takakura.
• Department of Orthopaedic Surgery, Nara Medical University, Kashihara, Nara 634-8522, Japan. hyajima@naramed-u.ac.jp
• Hand Surg. 2004 Dec 1; 9 (2): 203-9.

AbstractTo compare the radioscapholunate (RSL) arthrodesis and radiolunate (RL) arthrodesis as a treatment for radiocarpal osteoarthritis following fractures of the distal radius, nine patients, 23 to 70 years old (average 41) at the time of surgery, were assessed two to 33 years after surgery. The periods between injury and surgery ranged from four months to 30 years. RSL arthrodesis was performed in three cases and RL arthrodesis in six. Post-operative wrist pain disappeared in six and was decreased in the other three. In the RSL group, the total arc of wrist flexion and extension was reduced from 50 degrees pre-operatively to 35 degrees post-operatively. In the RL group, it was increased from 72 degrees to 76 degrees after surgery. Grip strength improved in most patients, from 7 to 18 kg in the RSL group, and from 16 to 27 kg in the RL group. On roentogenogram, three patients showed arthritic changes in the adjacent joints, but there were no symptoms in two of the three patients. We concluded that partial radiocarpal arthrodesis (preferably RL arthrodesis) is a reliable procedure for radiocarpal osteoarthritis following fractures of the distal radius.

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