Outcome of isolated tibial polyethylene insert exchange after uncemented total knee arthroplasty: 27 Patients followed for 8-71 months

Claus L. Jensen, Michael M. Petersen*, Karl E. Jensen, Matthias Therbo, Henrik M. Schrøder

*Corresponding author af dette arbejde

    Publikation: Bidrag til tidsskriftArtikelForskningpeer review

    Abstract

    Background: The outcome of performing isolated tibial polyethylene insert exchange (ITPIE) after total knee arthroplasty (TKA) is under debate. We evaluated the survival probability of ITPE after uncemented TKA. Method: 27 patients (27 knees) with an ITPIE performed mean 9 (0.9-17) years after the initial TKA were included in the study (22 patients also had the patellar component replaced simultaneously). All patients had their exchange performed at our department between 1997 and 2001 and had their latest follow-up examination mean 40 (8-71) months after the exchange. Results: During the follow-up, 2 patients had total knee revision because of aseptic loosening and 2 patients had isolated patella component exchange (in 1 of the patients, combined with a new ITPIE). Kaplan-Meier survival analysis gave a survival probability of 80% at 34 months of follow-up. Interpretation: The short-term survival after an ITPIE was similar to that of a total knee revision with exchange of all components. Since the ITPIE is a much smaller operation with fast rehabilitation, we recommend it in elderly patients with a well-fixed and wellaligned prosthesis without surface damage of the components. Copyright

    OriginalsprogEngelsk
    Sider (fra-til)917-920
    Antal sider4
    TidsskriftActa Orthopaedica
    Vol/bind77
    Udgave nummer6
    DOI
    StatusUdgivet - 1 dec. 2006

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