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Orthopaedic Proceedings
Vol. 90-B, Issue SUPP_I | Pages 56 - 56
1 Mar 2008
Harley B Beaupre L Scharfenberger A Jomha N Weber D
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We compared the radiographs, clinical outcomes, and complications of two techniques used for treatment of unstable distal radius fractures in young adults. Fifty patients were randomized to percutaneous pinning or augmented external fixation. At one year follow-up, the external fixator did not improve the parameters of radial length, radial angulation or volar tilt. Reduction of intra-articular steps was slightly improved. No differences in DASH scores or functional outcomes were observed, but more complications were noted with the fixator. While articular restoration can be slightly improved with use of the external fixator, a higher incidence of complications and patient dissatisfaction was noted.

Two common techniques for treatment of unstable distal radius fractures in young adults include percutaneous pinning combined with plaster cast, and application of an external fixator, frequently with adjunctive pinning.

The objective of this study was to:

1. To compare the short and mid-term radiographic and clinical outcomes of these two common fixation techniques.

2. To compare the complications of the two techniques.

Fifty patients (< 65 yrs) with unstable fractures of the distal radius were recruited. Patients were randomized pre-operatively to percutaneous pinning or external fixation. All surgery was performed by one of three surgeons. Patients were followed for one year with radiographs and an independent clinical exam including DASH questionnaires.

86% of fractures were AO classification C2 or C3, with an equal distribution of all types in both treatment groups. Use of an external fixator did not improve the parameters of radial length, radial angulation or volar tilt. However, reduction of intra-articular steps was slightly improved with its’ use. No differences in mean DASH scores, total ROM or grip strength were observed. More pin complications were noted with the fixator, and all three patients diagnosed with RSD received external fixation.

While external fixation represents a popular first line treatment for unstable distal radius fractures, this study suggests that similar gross radiographic and clinical results can be obtained with percutaneous pinning. While articular restoration can be slightly improved with use of the external fixator in highly comminuted fractures, this must be balanced by a higher incidence of complications and patient dissatisfaction.

Funding: Stryker-Howmedica-Osteonics