• Juan Reátiga Aguilar, Eduardo Gonzalez Edery, Julio Guzmán Badrán, Juan Molina Gandara, Laura Arzuza Ortega, Ximena Ríos Garrido, and Claudia Medina Monje.
• Orthopedics Department, Fundación Campbell, Barranquilla, Atlántico, Colombia. Electronic address: juan.reatiga@clinicacampbell.com.co.
• Injury. 2023 Nov 1; 54 Suppl 6: 110720110720.

IntroductionOpen tibial plateau fractures are complex injuries that require specialized management to prevent complications. The objective of this study was to compare the infection risk and functional outcomes between open and closed tibial plateau fractures.Materials And MethodsIn this multicenter cohort study the propensity score matching was used to pair participants according to age, sex, and Schatzker classification. 190 patients were followed for 1 year postoperatively. The Fracture-Related Infection (FRI) Consensus Group criteria was used to diagnose infection. Knee functionality was measured using the Oxford Knee Score scale (OKS).ResultsThe proportion of open fractures was 5.1%, and the overall incidence rate of FRI was 8% with 14% of them represented by open fractures and 4% for closed fractures (p = 0.014). Open fractures were found to be a risk factor associated with FRI, with a 5.48 times higher probability of FRI than closed fractures (odds ratio 5.41, 95% confidence interval [CI] 1.55-18.85). Among the study population, 50% had satisfactory functional outcomes of the knee (median OKS 45, IQR = 3). The median OKS was 44 (IQR = 11) in open fractures and 46 (IQR = 7) in closed ones (p = 0.03). Multivariate analysis showed that the OKS was 3 points lower for open fractures (95% CI -5.530--0.478) than closed ones, and the score was 9.7 points lower for FRI.ConclusionOpen TPF is a risk factor that increases the probability of fracture related infections. Functional outcomes were excellent for both open and closed TPF, with a slight difference numerical that was under the minimal clinical difference (MCID). The presence of FRI significantly decreases the functional outcome.Copyright © 2023. Published by Elsevier Ltd.

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