Factors predicting adverse outcome in complete intra-articular distal radius fractures

Abstract

Purpose

To determine risk factors associated with adverse functional and radiological outcome in complete intra-articular distal radius fractures (AO 23 C2–3) with a minimum follow-up of 1 year.

Methods

Retrospective case series of 87 consecutive patients with a complete intra-articular distal radius fracture (AO/OTA 23 C2–3) and a minimum follow-up of 1 year between 2012 and 2016. Risk factors for adverse clinical [using the Patient-Rated Wrist Evaluation (PRWE) score] and radiological outcome (positive ulnar variance 1 year postoperative) were analysed in a linear regression model.

Results

PRWE scored a median of 4.5 points (range 0–72.5) after a median follow-up of 31 months (range 12–70 months). A concomitant polytrauma was associated with a worse PRWE (β = 23.34, p < 0.01) and was also significantly associated with the use of a temporary external fixator (χ² = 11.93; p < 0.01) and high-energy trauma (χ² = 19.39; p < 0.01). Radiological outcome measures 1 year postoperative did not correlate with clinical outcome measures.

Conclusion

This cohort of complete intra-articular distal radius fractures (AO/OTA 23 C2–3) shows a good clinical outcome at medium-term follow-up independent of the radiological outcome. A concomitant polytrauma was associated with worse functional outcome and a higher complication rate. This is most likely due to the associated injury severity. These factors help the treating physician in decision-making and informing patients when treating displaced intra-articular radius fractures.

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