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The Journal of Bone and Joint Surgery 79:901-5 (1997)
© 1997 The Journal of Bone and Joint Surgery, Inc.

Fracture of an Acetabular Component Inserted without Cement: A Case Report

R. T. TROUSDALE, M.D.{dagger}, D. J. BERRY, M.D.{dagger}, J. JACOBS, M.D.{ddagger} and J. L. GILBERT, PH.D.§, ROCHESTER, MINNESOTA

Investigation performed at the Mayo Clinic, Rochester


   Introduction
 
The use of acetabular components without cement for total hip arthroplasty has increased dramatically in the last decade, for several reasons. With increased follow-up, fixation of sockets with cement has proved to be problematic, with as many as 48 per cent of such sockets reported to be radiographically loose at twenty years1,9,10,15,19,20. In a study of 330 total hip replacements performed with cement, Schulte et al. noted that 23 per cent of the ninety-eight hips in the patients who were alive at a minimum of twenty years had a loose or revised acetabular component. Kavanagh et al.10 reviewed the results of the first 333 Charnley total hip replacements performed with cement at the Mayo Clinic and found possible loosening of thirty-three (48 per cent) of sixty-nine cups in patients who were followed for twenty years.

Sockets designed to be inserted without cement are so-called user-friendly. They are technically easy . . . [Full Text of this Article]


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