• Hans J Kreder, Julie Agel, Michael D McKee, Emil H Schemitsch, David Stephen, and Douglas P Hanel.
• University of Toronto, Division of Orthopaedics, Sunnybrook & Women's College Health Sciences Centre, Toronto Ontario, Canada.
• J Orthop Trauma. 2006 Feb 1; 20 (2): 115-21.

ObjectivesTo compare closed reduction and casting with closed reduction and external fixation with optional K-wire fixation for distal radius fractures with metaphyseal displacement but without joint incongruity.DesignProspective study.SettingMulticenter study at 3 University teaching hospitals.Patients/ParticipantsA total of 113 skeletally mature patients with distal radius fractures with metaphyseal displacement, but without joint incongruity, were randomized to receive 1 of 2 standardized treatment protocols. Patients were evaluated at 6 weeks, 6 months, 1 year, and 2 years.InterventionClosed reduction and casting (n = 59) or closed reduction and external fixation (n = 54).Main Outcome MeasurementsUpper extremity function was measured using upper extremity MFA domain scores, overall Jebsen Taylor scores, and pinch and grip strength tests. Global function and pain were measured using the SF-36. Radiographic evaluation and range of motion were documented.ResultsUpper extremity MFA scores, Jebsen Taylor scores, SF-36 bodily pain scores, and grip strength improved significantly during the first year for all patients. By 2 years, mean Jebsen Taylor scores and SF 36 bodily pain scores for patients in both groups were similar to scores for normal age- and gender-matched population controls. At all points, there was a trend for better function in the external fixation; however, this did not reach statistical significance. There was a trend for better length and palmar tilt restoration with external fixation.ConclusionsFor distal radius fractures with metaphyseal displacement but with a congruous joint, there exists a trend for better functional, clinical, and radiographic outcomes when treated by immediate external fixation and optional K-wire fixation.

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