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Revision of Ceramic Hip Replacements for Fracture of a Ceramic Component

Revision of a total hip arthroplasty due to fracture of a ceramic component is rare. The fracture rate of ceramic components has been reported to be between 0.004% 1 and 0.05% 2 for femoral heads and between 0.013% 2 and 1.1% 3 for acetabular liners. Nevertheless, this problem is occurring more frequently because of the increasing use of ceramic total hip replacements. Revision arthroplasty performed because of a fractured ceramic component carries a high risk of failure: the fragments of the failed component are sharp and harder than metal; if left in the articular space, these fragments would act as an abrasive paste, and the use of a metal head against a polyethylene liner in the revision arthroplasty would quickly lead to catastrophic wear and failure of these new total hip implants 4 - 6 ( Fig. 1 ). Thus, revision arthroplasty performed because of a fractured ceramic component is difficult and the failure rate has been reported to be as high as 31% 6 . Fig. 1 Early failure of a revision arthroplasty performed because of fracture of a ceramic femoral head. The aims of the present study were to evaluate the outcome of revision total hip http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Bone and Joint Surgery JB&JS
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