• Martyn Snow, Margaret Kelly, Muthu Jeyam, and Nabil Fahmy.
• , 4 Newton Avenue, Withington, Manchester M20 1JJ, United Kingdom. snowmartyn@hotmail.com.
• Eur J Trauma Emerg S. 2007 Feb 1;33(1):81-6.

IntroductionA randomized, prospective study has been carried out to determine if immobilisation in dorsiflexion following K-wire fixation of unstable distal radial fractures improves functional outcome.MethodsSixty patients with unstable fractures of the distal radius were entered into the trial. There were 52 female and 11 male with an average age of 60yrs (17-84). Randomisation was undertaken in theatre using a closed envelope system. The fractures were initially reduced by closed manipulation and interfocal percutaneous K-wires inserted. Patients randomised to group I had their wrists placed in 30 degrees of dorsiflexion and group II had their wrists placed in 30 degrees of palmer flexion. Patients were reviewed with an x-ray at 1, 3, 5, and 17 weeks by a single physician. Dorsal angulation, Radial inclination, Radial length and Radial height were measured. The K-wires were removed in the outpatient clinic at 3 weeks and the plaster at 5 weeks. Blinded functional review was carried out by an Occupational therapist at 5, 8 and 17 weeks post operation. The power and pinch grip was measured using a Jamar dynamometer. Flexion and extension were measured with a goniometer.ResultsThere was no statistical difference in radiological or functional outcomes in either group. At 17 weeks the mean dorsal angulation was -0.5 and -1.9 degrees. The mean radial shortening was 1.5mm in both groups. The power grip was 86% and 82% and pinch grip was 99% and 101%. Patients regained 76% and 79% of flexion and 94% and 88% of extension compared to the opposite side.ConclusionsImmobilisation in dorsi-flexion following K-wiring for unstable distal radial fractures does not improve functional outcome. The overall functional results were excellent and we believe that Kwiring still as a place in the treatment of distal radial fractures in the previously defined population.

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