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The Journal of Bone and Joint Surgery (American) 80:440-51 (1998)
© 1998 The Journal of Bone and Joint Surgery, Inc.

Instructional Course Lecture

Instructional Course Lectures, The American Academy of Orthopaedic Surgeons - Revision Arthroplasty of the Acetabulum in Association with Loss of Bone Stock*{dagger}

ALLAN E. GROSS, M.D., F.R.C.S.(C){ddagger}, TORONTO, CLIVE P. DUNCAN, M.B., M.SC., F.R.C.S.(C)§, DONALD GARBUZ, M.D., F.R.C.S.(C)# and ELSAYED MORSI Z. MOHAMED, M.B.B.C.H., M.S.(ORTH)**, VANCOUVER, BRITISH COLUMBIA, CANADA

An Instructional Course Lecture, The American Academy of Orthopaedic Surgeons

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   Introduction
 
The goals of revision arthroplasty of the hip are to relieve pain and to improve function. These goals can be accomplished by insertion of a new implant with stable fixation of the interface and restoration (or at least near restoration) of the anatomy.

Stable fixation may be achieved with use of components inserted either with cement12,55 or without cement11,32. However, marked osteolysis caused by wear debris, abrasion, or inflammation may make this task extremely difficult14,19-21,29,33,38,44,46.

If there is no loss of bone stock, the anatomy may be restored by simply inserting a new implant. If there is loss of bone stock on either the acetabular or the femoral side, however, the deficit should be categorized as either contained or uncontained and should be dealt with accordingly.

Contained, or cavitary, defects are more easily dealt with because the skeleton, while weakened, is basically intact. A contained defect of the . . . [Full Text of this Article]


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