SERIAL MEASUREMENT OF POLYETHYLENE WEAR IN TOTAL HIP JOINT REPLACEMENT

P.A. Devane; J.G. Horne

doi:10.1302/0301-620X.87BSUPP_I.0870025g

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SERIAL MEASUREMENT OF POLYETHYLENE WEAR IN TOTAL HIP JOINT REPLACEMENT

P.A. Devane
J.G. Horne

SERIAL MEASUREMENT OF POLYETHYLENE WEAR IN TOTAL HIP JOINT REPLACEMENT

Devane P, Horne J. SERIAL MEASUREMENT OF POLYETHYLENE WEAR IN TOTAL HIP JOINT REPLACEMENT. Orthop Procs. 2005;87-B(SUPP_I):25-26. doi:10.1302/0301-620X.87BSUPP_I.0870025g

Devane, P.A., and J.G. Horne. “SERIAL MEASUREMENT OF POLYETHYLENE WEAR IN TOTAL HIP JOINT REPLACEMENT.” Orthopaedic Proceedings, vol. 87-B, no. SUPP_I, 2005, pp. 25-26., https://doi.org/10.1302/0301-620X.87BSUPP_I.0870025g

Devane, P., & Horne, J. (2005). SERIAL MEASUREMENT OF POLYETHYLENE WEAR IN TOTAL HIP JOINT REPLACEMENT. Orthopaedic Proceedings, 87-B(SUPP_I), 25-26. https://doi.org/10.1302/0301-620X.87BSUPP_I.0870025g

Devane, P. and Horne, J. (2005) “SERIAL MEASUREMENT OF POLYETHYLENE WEAR IN TOTAL HIP JOINT REPLACEMENT.” Orthopaedic Proceedings, 87-B(SUPP_I), pp. 25-26. Available at: https://doi.org/10.1302/0301-620X.87BSUPP_I.0870025g

Devane, P.A., and J.G. Horne. “SERIAL MEASUREMENT OF POLYETHYLENE WEAR IN TOTAL HIP JOINT REPLACEMENT.” Orthopaedic Proceedings 87-B, no. SUPP_I (2005): 25-26. https://doi.org/10.1302/0301-620X.87BSUPP_I.0870025g

Devane P, Horne J. SERIAL MEASUREMENT OF POLYETHYLENE WEAR IN TOTAL HIP JOINT REPLACEMENT. Orthop Procs. 2005 Mar 1;87-B(SUPP_I):25-26. https://doi.org/10.1302/0301-620X.87BSUPP_I.0870025g

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Abstract

A new method of polyethylene wear measurement for analysis of serial radiographs of the same patients over a 10 year period is described.

Eighteen patients with a PCA THJR had serial radiographs performed with a minimum of 8.5 year follow up. A total of 560 A-P and lateral radiographs were analysed.

The graphs of PE wear v time fell into two groups: Group 1 – (7 patients) had accelerated PE wear with eventual development of osteolysis. Group 2 – (11 patients) had PE wear of less than 0.16mm/year and their latest radiograph showed no evidence of osteolysis.

With improved accuracy and elimination of user error, measurement of PE wear may now have the ability to make predictions about the longterm survival of a THJR. Clinical decisions may be able to be made based on individual patient measurements.

The abstracts were prepared by Jean-Claude Theis. Correspondence should be addressed to him at Department of Orthopaedic Surgery, Dunedin Hospital, Private Bag 1921, Dunedin, New Zealand.