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The Journal of Bone & Joint Surgery British Volume
Vol. 82-B, Issue 8 | Pages 1182 - 1188
1 Nov 2000
Barker DS Wang AW Yeo MF Nawana NS Brumby SA Pearcy MJ Howie DW

We studied the effect of the surface finish of the stem on the transfer of load in the proximal femur in a sheep model of cemented hip arthroplasty. Strain-gauge analysis and corresponding finite-element (FE) analysis were performed to assess the effect of friction and creep at the cement-stem interface.

No difference was seen between the matt and polished stems. FE analysis showed that the effects of cement creep and friction at the stem-cement interface on femoral strain were small compared with the effect of inserting a cemented stem.