Abstract
We consider dual-plate fixation to improve construct rigidity in cases with fracture complexity. The purpose of this study is to compare the rate of nonunion, prognosis, and complications at 6-12 months for surgically treated acute mid-shaft clavicle fractures when extra-periosteal dual-plate fixation is used in place of the conventional single-plate fixation. The comparative study was conducted on 47 patients who received acute mid-shaft clavicular fracture treatment in our hospital from March 2015 to July 2018. All patients were divided into dual-plate fixation treatment (group A) and single-plate fixation (group B). Patients undergoing single-plate fixation were compared to dual-plate fixation. Patients were followed up for 6-12 months. Charts were reviewed to assess union rates, prognosis, and complications. Forty-seven clavicles (30 single plates and 17 dual plates) were evaluated. All patients (100%) in dual plating group and 128 (93.3%) in single plating group obtained bony union by 1 year. When comparing groups at 3 months, radiographic union was present in 50.0% of single plates and 64.7% in the dual plating group (p = 0.032). However, at 6 months, no significant difference existed (90.0% vs. 94.1%, p = 0.297). Comparing groups at 1.5 and 6 months, Constant-Murley outcome scores were present with no significant difference (p = 0.129, p = 0.054) between single plates and dual plating group. However, at 3 months, significance difference existed. Three months after the operation, patients with dual-plate fixation showed good functional recovery. Extra-periosteal dual plating for acute mid-shaft clavicle fractures can be safely considered for the treatment of complex acute mid-shaft clavicle fractures without increasing the risk of nonunion or revision. Open reduction and internal fixation with an extra-periosteal dual plating technique is a reliable option for treatment of acute mid-shaft clavicle fractures, especially in the setting of severely comminuted fractures and in situations where bone quality is questionable and additional fixation is desired.
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