Hand surgery : an international journal devoted to hand and upper limb surgery and related research : journal of the Asia-Pacific Federation of Societies for Surgery of the Hand
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Comparative Study
Radiocarpal arthrodesis for osteoarthritis following fractures of the distal radius.
To 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. ⋯ 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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We dissected 20 preserved Caucasian cadaveric upper limbs looking at the relation of the superficial branch of the radial nerve (SBRN) to the brachioradialis tendon. SBRN emerged from deep to superficial position by piercing the brachioradialis tendon near its dorsal border in four limbs. The resulting dorsal tendinous band compressed the nerve and prevented longitudinal gliding movement during ulnar flexion. ⋯ No such communication was found in the remaining 16 forearms. This communication could contribute to the minimal area of sensory loss observed in Wartenberg's syndrome. We recommend that this anatomical anomaly is looked for and if present dealt with during surgical treatment of Wartenberg's syndrome, as it is likely to predispose to chronic compression neuropathy.
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Forty-one dorsally displaced intra-articular fractures of the distal radius were treated by open reduction and internal fixation with the dorsal Symmetry plates. The average age at the time of the injury was 49 years. An average follow-up period was 15 months. ⋯ According to the Gartland and Werly scales, 36 fractures were excellent and five were good. However, ulnar variance increased more than 3 mm during follow-up in eight patients, and volar tilt increased more than 5 degrees during follow-up in ten patients. Use of dorsal Symmetry plate is effective for unstable comminuted intra-articular distal radius fractures, but severely comminuted fractures may possibly undergo re-displacement post-operatively.