Efficacy and safety of volar locking plate versus cast immobilization for distal radius fractures: a systematic review and meta-analysis of randomized controlled trials
DOI:
https://doi.org/10.2340/jphs.v59.41372Keywords:
Volar locking plate, immobilization, surgical, conservative, distal radius fracturesAbstract
Volar locking plates (VLPs) are increasingly used for distal radius fractures (DRFs), yet their efficacy compared to cast immobilization remains debated. This meta-analysis aimed to compare VLPs versus cast immobilization for DRFs across various follow-up durations. Randomized controlled trials reporting patient-reported functional scores, wrist range of motion (ROM), radiological assessments, and complications were included. Meta-analysis was performed for 6-week, 3-month, 6-month, 12-month, and >12-month follow-ups. Subgroup analysis stratified studies by age group, ≥ 60 years and < 60 years. VLPs showed significantly lower Disabilities of the Arm, Shoulder, and Hand (DASH) scores at 6 weeks (p < 0.001), 3 months (p < 0.001), 12 months (p = 0.012), and > 12 months (p < 0.001), and lower PRWE scores at 6 weeks (p < 0.001), 3 months (p = 0.048), and >12 months (p = 0.032). Wrist ROM favored VLPs at 6 weeks (p < 0.05), with higher flexion and supination at 3 months (p = 0.027) and 12 months (p = 0.003). Radiologically, VLPs showed improved parameters at 3- and 12-month follow-up. Overall complications did not significantly differ. Subgroup analysis in patients < 60 years generally supported these findings, while in patients ≥ 60 years, radiological outcomes aligned, yet only lower DASH scores were observed with VLPs at 3 months (p < 0.001). VLPs may offer superior clinical, functional, and radiological outcomes compared to cast immobilization at 3- and 12-month follow-up for patients < 60 years, with comparable safety profiles. For patients ≥ 60 years, VLPs may yield better radiological outcomes at 3- and 12-month follow-up, though clinical benefits remain uncertain.
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