• Khang H Dang, Samuel S Ornell, Rose Ann Huynh, Jorge C DeLeon, Rachel Pesek, and Ravi A Karia.
• UT Health San Antonio, Department of Orthopaedics, San Antonio, TX 78229, United States.
• Injury. 2019 Oct 1; 50 (10): 1773-1780.

ObjectiveThe Smith and Nephew mini-EVOS plating system is a mini-fragment, low profile, variable-angled plating system designed to obtain anatomic reduction while also minimizing soft tissue handling. However, literature has been limited in reporting the clinical and surgical outcomes of these specific plates. The goal of our study is to evaluate the safety and efficacy of the Smith and Nephew mini-EVOS plate in pilon fracture management, where significant high energy forces can result in severe fracture patterns and soft tissue injury.MethodsPatients 18-65 years of age who underwent plate fixation of their tibial plafond fractures (OTA/AO) using the Smith and Nephew mini-EVOS plating system at our urban university-based level-1 trauma center were included in this retrospective investigation. A total of 37 patients (37 fractures) from January 2015 to March 2018 were included in this study. Primary outcome measure was mechanical hardware failure. Secondary outcome measures included nonunion, malunion, medical and surgical complications.ResultsThe fractures were classified according to the OTA/AO classification as 43C1 (n = 15), 42C2 (n = 6), and 43C3 (n = 16). A mechanical failure was observed in three patients (8.1%). Six additional patients needed a re-operation of the surgical site including two nonunion repairs, one malunion repair, one symptomatic hardware removal, and two soft tissue debridements. The mean follow-up was 298.9 days (range: 96-936).ConclusionsEarly results of operative fixation of tibial plafond fractures using the Smith-Nephew mini-EVOS demonstrated low hardware failure and complication rates. This plating system is a safe and effective implant.Level Of EvidenceTherapeutic Level IV.Copyright © 2019. Published by Elsevier Ltd.

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