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The Journal of Bone and Joint Surgery 80:1085-6 (1998)
© 1998 The Journal of Bone and Joint Surgery, Inc.

Correspondence

Correspondence

S. J. Krikler, B.Sc., Ph.D., F.R.C.S.(Orth), Jeff Ondrla, Ian T. Pulliam, D.O. and Robert T. Trousdale, M.D.

TO THE EDITOR:

I read with interest "Fracture of a Ceramic Femoral Head after a Revision Operation. A Case Report" (79-A: 118–121, Jan. 1997), by Pulliam and Trousdale, but a few points need clarification.

It is not clear why the authors restricted themselves to the English-language literature when there is extensive experience with ceramic in Europe. Schatzker and I, in a case report that was published in an English-language journal, listed twenty-eight reported incidents of failure2. The reported incidence of breakage for the more than one million ceramic heads supplied to various orthopaedic implant companies by the manufacturer of the components (Feldmühle, Plochingen, Germany) used in our patients is one per 10,000 heads3.

Because of their material properties, ceramic femoral heads have a tendency to fracture explosively. Such a fracture may cause small fragments of ceramic to become embedded in the polyethylene acetabular component. These fragments can be . . . [Full Text of this Article]


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