Abstract
Purpose
Magnetic resonance imaging (MRI) provides sufficient information with regard to specific soft-tissue injuries in the knee, but it is not generally used to evaluate acute tibial plateau fractures. The aim of the present study was to determine whether the amount of tibial plateau fracture depression on multi-detector computed tomography (MDCT) scans correlates with the incidence of associated soft-tissue injuries on MRI.
Methods
A total of 54 consecutive patients with a mean age of 51.2 years (SD = 18.3) were included in this retrospective study. All patients were admitted to the emergency department of a university clinic with acute tibial plateau fracture. The amount of articular depression was assessed from MDCT scans. Magnetic resonance images were evaluated for crucial and collateral ligament injury, meniscal tears, and patellar retinaculum lesions.
Results
Logistic regression revealed a significant impact of increasing tibial plateau fracture depression on the incidence of meniscus lateralis tears (P = 0.025) and anterior cruciate ligament lesions (P = 0.018). Analysis of covariance demonstrated a significant correlation between the amount of articular depression and absolute number of soft-tissue injuries (P = 0.001).
Conclusions
Articular depression is a potential predictor of specific meniscal and ligamentous injuries in acute tibial plateau fracture. Magnetic resonance imaging is generally recommended with respect to associated soft-tissue injuries, especially in cases with distinct tibial plateau fracture depression on multi-detector computed tomography scans.
Level of evidence
Case series, Level IV.
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A. S. Spiro and M. Regier contributed equally to this work and therefore share first authorship.
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Spiro, A.S., Regier, M., Novo de Oliveira, A. et al. The degree of articular depression as a predictor of soft-tissue injuries in tibial plateau fracture. Knee Surg Sports Traumatol Arthrosc 21, 564–570 (2013). https://doi.org/10.1007/s00167-012-2201-5
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DOI: https://doi.org/10.1007/s00167-012-2201-5