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  • Title: Plate fixation or intramedullary fixation for midshaft clavicle fractures: a systematic review and meta-analysis of randomized controlled trials and observational studies.
    Author: Houwert RM, Smeeing DP, Ahmed Ali U, Hietbrink F, Kruyt MC, van der Meijden OA.
    Journal: J Shoulder Elbow Surg; 2016 Jul; 25(7):1195-203. PubMed ID: 27068381.
    Abstract:
    BACKGROUND: The last decade has shown a shift toward operative treatment of a subset of midshaft clavicle fractures. However, it is unclear whether there are differences between plate fixation and intramedullary fixation regarding complications and functional outcome. The aim of this systematic review and meta-analysis was to compare plate fixation and intramedullary fixation for midshaft clavicle fractures. METHODS: The Medline, Embase, and Cochrane databases were searched for both randomized controlled trials and observational studies. The methodologic quality of all included studies was assessed using the Methodological Index for Non-Randomized Studies. RESULTS: Twenty studies were included. Ten of the 20 included studies used a fracture classification. Seven of these studies reported exclusion of patients with comminuted fractures. No difference in the total re-intervention rate was found (odds ratio [OR], 1.21; 95% confidence interval [CI], 0.71 to 2.04). Major re-interventions occurred more often after plate fixation (OR, 1.88; 95% CI, 1.02 to 3.46). The mean implant removal rates were 38% after plate fixation and 73% after intramedullary fixation. Re-fracture after implant removal occurred more often after plate fixation (OR, 3.42; 95% CI, 1.12 to 10.42). The Constant-Murley scores showed no differences at both short term (mean difference, -1.18; 95% CI, -13.41 to 11.05) and long term (mean difference, 0.15; 95% CI, -1.57 to 1.87). No differences were observed regarding nonunion (OR, 1.50; 95% CI, 0.82 to 2.75). The rate of infections showed no differences when outlier studies were excluded (OR, 1.54; 95% CI, 0.88 to 2.69). CONCLUSION: Major re-intervention and re-fracture after implant removal occurred more frequently after plate fixation of non-comminuted, displaced midshaft clavicle fractures. No differences in terms of function and nonunion between plate fixation and intramedullary fixation were observed.
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