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The Journal of Bone & Joint Surgery British Volume
Vol. 91-B, Issue 6 | Pages 730 - 737
1 Jun 2009
Carrington NC Sierra RJ Gie GA Hubble MJW Timperley AJ Howell JR

The first 325 Exeter Universal stems (309 patients) implanted at the originating centre were inserted between March 1988 and February 1990 by a group of surgeons with differing experience. In this report we describe the clinical and radiological results at a mean of 15.7 years (14.7 to 17.3) after operation with no loss to follow-up. There were 97 patients (108 hips) with replacements still in situ and 31 (31 hips) who had undergone a further procedure. With an endpoint of revision for aseptic loosening, the survivorship at 17 years was 100% and 90.4% for the femoral and acetabular component, respectively. The mean Merle D’Aubigné and Postel scores at review were 5.4 (sd 0.97) for pain and 4.5 (sd 1.72) for function. The mean Oxford score was 38.4 (sd 9.8) (0 to 48 worst-to-best scale) and the mean combined Harris pain and function score was 73.2 (sd 16.9). Radiological review showed excellent preservation of bone stock in the proximal femur and no failures of the femoral component.


Orthopaedic Proceedings
Vol. 90-B, Issue SUPP_II | Pages 330 - 330
1 Jul 2008
Carrington NC Veysi VT Datir S Pavlou G Stone MH
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Purpose: We report the 10 to 13 year results of the PFC knee system at our institution.

Method/Results: Between 1992 and 1995 97 PFC primary knee arthroplasties were performed consecutively in 82 patients. 32 patients have subsequently died (37 knees) and four (4 knees) are lost to follow-up. Clinical and radiological review of 46 patients (56 knees) was performed at a mean of 11.1 years post-operatively. Outcome was assessed using the Charnley modification of the Merle D’Aubigne score, with a median of 5 for pain and 4 for function. Radiological failure was defined as progressive radiolucency (1 case), lysis (1 case) or subsidence (1 case). Polyethylene wear was detectable in 10 cases, with > 50% in two. There was 100% survivorship with revision for aseptic loosening as an endpoint. There has been one revision for infection and one patella resurfacing, giving a 98% survivorship with no re-operation. In addition one periprosthetic fracture above a well fixed femoral component, required a supracondylar nail.

Conclusions: The PFC gives excellent outcome and survivorship at 13 years, regardless of the experience of the operating surgeon. This demonstrates that with careful training the PFC is a reliable knee replacement in the long-term for trainers and trainees alike.