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Orthopaedic Proceedings
Vol. 95-B, Issue SUPP_29 | Pages 25 - 25
1 Aug 2013
Hooper G Maxwell R Wilkinson B Mathew J Woodfield T Penny I Burn P Frampton C
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Method.

We prospectively investigated the radiological outcomes of the uncemented Oxford medial compartment arthroplasty in 231 consecutive patients performed in a single centre with a minimum two year follow up.

Results.

The functional outcome using the Oxford knee score and the High Activity Arthroplasty Score were significantly improved on the pre-operative scores (p<0.001). There were 196 patients with a radiological examination that was acceptable for analysis of the bone-implant interface. Of the six tibial zones examined on the anteroposterior radiograph there were only three with a partial radiolucent line (3 out of 1176 zones). All were present in the medial aspect of the tibial base plate (Zone 1) and all were <1 mm in size. All of these patients were asymptomatic. There were no radiolucent lines seen around the femoral component or on the lateral tibial view. There was one revision for mal-seating of the tibial component.