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Risk for total knee arthroplasty after tibial plateau fractures: a systematic review
D J Haslhofer1,2, N Kraml3,4, P W Winkler1,2
1Department for Orthopedics and Traumatology, Med Campus III, Kepler University Hospital Linz, Krankenhausstrasse 9, 4020, Linz, Austria.
Purpose:
Tibial plateau fractures (TPFs) may lead to posttraumatic osteoarthritis and increase the risk for total knee arthroplasty (TKA). The aim of this systematic review was to analyse the conversion rate to TKA after TPF treatment.
Methods:
A systematic search for studies reviewing the conversion rate to TKA after TPF treatment was conducted. The studies were screened and assessed by two independent observers. The conversion rate was analysed overall and for selected subgroups, including different follow-up times, treatment methods, and study sizes.
Results:
A total of forty-two eligible studies including 52,577 patients were included in this systematic review. The overall conversion rate of treated TPF to TKA in all studies was 5.1%. Thirty-eight of the forty-two included studies indicated a conversion rate under 10%. Four studies reported a higher percentage, namely, 10.8%, 10.9%, 15.5%, and 21.9%. Risk factors for TKA following TPF treatment were female sex, age, and low surgeon and hospital volume. The conversion rate to TKA is particularly high in the first 5 years after fracture.
Conclusion:
Based on the studies, it can be assumed that the conversion rate to TKA is approximately 5%. The risk for TKA is manageable in clinical practice.
Prospero Registration Number:
CRD42023385311.
Level Of Evidence:
IV.
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