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Orthopaedic Proceedings
Vol. 92-B, Issue SUPP_I | Pages 87 - 87
1 Mar 2010
Santacreu EF GarcĂ­a AM Salcedo GA Helmling JL Blaya PV Prats SB
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Introduction and Objectives: There is more experience with the use of cemented models of knee prosthesis. However, non-cemented models are proving to have equivalent survival. Our aim was to analyze our experience of long term survival of non-cemented total knee replacement prosthesis.

Materials and Methods: We included the patients operated in our unit between 1989 and 1996. In all cases the same implant was used (LCS Total Knee Replacement, Depuy, Warsaw, IN). We included a total of 129 knees (117 patients). The variables we studied were: Age, sex, follow-up time, KSS score, implant survival and reasons for revision.

Results: Follow-up was 14.5 years and mean age was 78.7 years. A total of 60 knees did not complete the study correctly. For the 69 knees that remained in the study, the results were: 11 TKR (16%) were reoperated: 2 due to dissociation-dislocation of the patellar component, 3 due to wear or rupture of the tibial polyethylene, 6 were revised due to aseptic loosening. There were no cases of infection. The mean KSS score was 90.29.

Discussion and Conclusions: In our experience, the use of non-cemented TKR prosthesis:

Provides an excellent clinical and functional result, assessed by KSS.

There is survival of 91% of the implants at 14.5 years.

If we include all reoperations, survival free of reintervention was 84%.