Abstract
Purpose
The objective of this study was to evaluate the functional and radiological outcome after lateral tibial plateau fractures (Müller AO classification (AO) 41-B1, B2 and B3) treated with minimal invasive bone tamp reduction and percutaneous screw fixation.
Methods
Retrospective, cross-sectional study. Review and clinical examination of 37 patients treated between 2005 and 2010. The patients completed a clinical examination, Knee Injury and Osteoarthritis Outcome Score (KOOS) and questionnaire evaluating QOL (Eq5D-5L).
Results
Thirty-seven patients agreed to participate (76 %). Mean time of follow-up was 5.2 years. At final follow-up, maintained anatomical joint reduction was achieved in 34 patients. The mean KOOS score was pain = 84.4, ADL = 88.4, symptoms = 80.7, QOL = 70.3, sport = 59.6. Compared with the established KOOS reference population patients, the current study reports a tendency towards worse KOOS scores but is only significant for KOOS sport. The mean Eq5D-5L index was 0.815 and shows a tendency towards worse outcome compared with the reference population. Mean knee flexion: 125.7° (95–135). A reduced number of sit-to-stands in the mean 30-s chair stand test showed a significant negative association with KOOS. The study showed a significant association between younger age at surgery and worse KOOS outcome.
Conclusion
At 5.2-year follow-up, the patients reported a tendency towards worse KOOS and Eq5D-5L scores compared with established reference populations. This study shows a significant association between a decrease in muscle strength and worse KOOS outcome. Furthermore, a significant association between younger age at the time of surgery and worse KOOS outcome score was observed.
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Acknowledgments
The Department of Orthopaedic surgery and the Department of Occupational and Physiotherapy Aalborg University Hospital, Denmark, were acknowledged for approving unrestricted grants. The authors did not receive benefits or grants in any form from a commercial part related directly or indirectly to the subject of this article.
Conflict of interest
Rasmus Elsoe, Peter Larsen, Nitesh Shekhrajka, Luis Ferreira, Svend Erik Ostgaard, Sten Rasmussen declare that they have no conflict of interest.
Ethical standard
This study was conducted in accordance with the ethical standards of the responsible committee and with the ethical principles of the 1975 Declaration of Helsinki. The study was approved by the Danish Data Protection Agency (J. No. 2010-41-4354). All participants gave their informed consent prior to their inclusion in the study.
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Elsoe, R., Larsen, P., Shekhrajka, N. et al. The outcome after lateral tibial plateau fracture treated with percutaneus screw fixation show a tendency towards worse functional outcome compared with a reference population. Eur J Trauma Emerg Surg 42, 177–184 (2016). https://doi.org/10.1007/s00068-015-0497-9
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DOI: https://doi.org/10.1007/s00068-015-0497-9