LOW-FRICTION ARTHROPLASTY OF THE HIP USING ALUMINA CERAMIC AND CROSS-LINKED POLYETHYLENE. A SEVENTEEN YEAR FOLLOW-UP STUDY.

Professor BM Wroblewski; PD Siney; PA Fleming

doi:10.1302/0301-620X.88BSUPP_II.0880234

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LOW-FRICTION ARTHROPLASTY OF THE HIP USING ALUMINA CERAMIC AND CROSS-LINKED POLYETHYLENE. A SEVENTEEN YEAR FOLLOW-UP STUDY.

Professor BM Wroblewski
PD Siney
PA Fleming

LOW-FRICTION ARTHROPLASTY OF THE HIP USING ALUMINA CERAMIC AND CROSS-LINKED POLYETHYLENE. A SEVENTEEN YEAR FOLLOW-UP STUDY.

Wroblewski PB, Siney P, Fleming P. LOW-FRICTION ARTHROPLASTY OF THE HIP USING ALUMINA CERAMIC AND CROSS-LINKED POLYETHYLENE. A SEVENTEEN YEAR FOLLOW-UP STUDY.. Orthop Procs. 2006;88-B(SUPP_II):234-234. doi:10.1302/0301-620X.88BSUPP_II.0880234

Wroblewski, Professor BM, et al. “LOW-FRICTION ARTHROPLASTY OF THE HIP USING ALUMINA CERAMIC AND CROSS-LINKED POLYETHYLENE. A SEVENTEEN YEAR FOLLOW-UP STUDY..” Orthopaedic Proceedings, vol. 88-B, no. SUPP_II, 2006, pp. 234-234., https://doi.org/10.1302/0301-620X.88BSUPP_II.0880234

Wroblewski, P. B., Siney, P., & Fleming, P. (2006). LOW-FRICTION ARTHROPLASTY OF THE HIP USING ALUMINA CERAMIC AND CROSS-LINKED POLYETHYLENE. A SEVENTEEN YEAR FOLLOW-UP STUDY.. Orthopaedic Proceedings, 88-B(SUPP_II), 234-234. https://doi.org/10.1302/0301-620X.88BSUPP_II.0880234

Wroblewski, P. B., Siney, P. and Fleming, P. (2006) “LOW-FRICTION ARTHROPLASTY OF THE HIP USING ALUMINA CERAMIC AND CROSS-LINKED POLYETHYLENE. A SEVENTEEN YEAR FOLLOW-UP STUDY..” Orthopaedic Proceedings, 88-B(SUPP_II), pp. 234-234. Available at: https://doi.org/10.1302/0301-620X.88BSUPP_II.0880234

Wroblewski, Professor BM, PD Siney, and PA Fleming. “LOW-FRICTION ARTHROPLASTY OF THE HIP USING ALUMINA CERAMIC AND CROSS-LINKED POLYETHYLENE. A SEVENTEEN YEAR FOLLOW-UP STUDY..” Orthopaedic Proceedings 88-B, no. SUPP_II (2006): 234-234. https://doi.org/10.1302/0301-620X.88BSUPP_II.0880234

Wroblewski PB, Siney P, Fleming P. LOW-FRICTION ARTHROPLASTY OF THE HIP USING ALUMINA CERAMIC AND CROSS-LINKED POLYETHYLENE. A SEVENTEEN YEAR FOLLOW-UP STUDY.. Orthop Procs. 2006 May 1;88-B(SUPP_II):234-234. https://doi.org/10.1302/0301-620X.88BSUPP_II.0880234

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Abstract

We report the results of our continued review of 11 hip arthroplasties using 22.225mm alumina ceramic femoral heads (CCH) on a Charnley flanged stem articulating with a chemically cross-linked polyethylene (XLPE) cup. The initial bedding-in of up to 0.41mm, which was reached within about 2 years, has not progressed further with a follow up to 18.1 years. The mean total penetration of the XLPE cup for this group of patients is 0.31mm (0 – 0.41) and a penetration rate of 0.019 mm/year (mean 0 – 0.026). One patient with CCH/XLPE arthroplasty on the left side and a conventional metal on ultra high molecular weight polyethylene (UHMWPE) on the right side, has a ten fold difference in total penetration: 0.41mm compared with 4.1mm and a year shorter follow-up.

The mean age of the 9 patients (11 hips) attending was 47.2 years (26–58) at the operation and is now 64 years (42–73). Clinical results remain excellent with freedom from pain and normal activity level appropriate to their age and gender.

Radiographically none of the cups or stems show evidence of loosening or osteolysis and there have been no problems that could have been attributed to the materials or the design used.

Editoral Secretary Mr Peter Howard. Correspondence should be addressed to BHS at the Royal College of Surgeons, 35 - 43 Lincoln’s Inn Fields, London WC2A 3PN.