Volar Locking Plate Fixation Versus Closed Reduction for Distal Radial Fractures in Adults: A Systematic Review and
Andrew Lawson1, Michael Na, Justine M Naylor
1Whitlam Orthopaedic Research Centre, Ingham Institute for Applied Medical Research, South Western Sydney Clinical School, University of New South Wales (UNSW) Australia, Sydney, New South Wales, Australia.
Background:
Distal radial fractures in adults are common, representing a substantial burden to patients and health systems. The 2 main treatments are closed reduction and cast immobilization (CR) and volar locking plate (VLP) fixation. Our primary aim was to determine if VLP fixation leads to better patient-reported pain and function at 12 months compared with CR.
Methods:
We searched systematically for randomized controlled trials (RCTs) comparing outcomes of VLP fixation with CR for the treatment of distal radial fractures in adults. The Cochrane Collaboration risk-of-bias tool was used to assess the methodological quality of each study. Meta-analyses of patient-reported outcomes, clinical outcomes, and complications were performed. Key findings were assessed using the Grading of Recommendations, Assessment, Development and Evaluation (GRADE) approach.
Results:
A total of 8 RCTs (810 participants) were eligible for inclusion. Based on moderate-certainty evidence, no clinically important differences in patient-reported pain and function were found: although the mean difference (MD) in the Disabilities of the Arm, Shoulder and Hand (DASH) score at 12 months was 4.1 points (95% confidence interval [CI], 1.2 to 7.0 points) in favor of VLP fixation, this was well below the minimum clinically important difference of 10 points. There was low-certainty evidence that VLP fixation led to better Patient-Rated Wrist Evaluation (PRWE) scores at 12 months (MD, 6.9 points; 95% CI, -0.6 to 14.3 points) and better DASH scores at 24 months (MD, 8.9 points; 95% CI, 5.8 to 12.1 points) but again, these differences were not clinically important. There was very low or low-certainty evidence that VLP fixation provided better long-term radiographic outcomes, including palmar tilt (MD, 6.5°; 95% CI, 2.8° to 10.1°), radial inclination (MD, 3.4°; 95% CI, 2.5° to 4.3°), and ulnar variance (MD, 0.7 mm; 95% CI, -0.8 to 2.1 mm).
Conclusions:
There were no clinically important differences between treatments with respect to patient-reported pain and function at 12 months post-treatment, even though VLP fixation resulted in better fracture alignment than CR.
Level Of Evidence:
Therapeutic Level II. See Instructions for Authors for a complete description of levels of evidence.
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