Abstract
Bone grafts are implanted materials that support or promote bone healing through an osteogenic, osteoconductive and/or osteoinductive mechanism to the local site. Acetabular bone deficiencies encountered during acetabular hip arthroplasty revision vary from cavitary or segmental defects to complete discontinuity. Several techniques exist to manage these defects. In this review we present the current surgical techniques for reconstructing the acetabular socket which includes a cementless acetabular component with morselised bone, structural allograft, reinforcement rings and bone cages. Segmental acetabular defects involving both columns with more than 50% of the graft supporting the cup suggest the application of ilioischial devices. The aim is to bridge areas of bone loss, providing immediate mechanical fixation. Acetabular reconstruction with the use of the antiprotrusion cage and allografts has to be considered as a reliable procedure to manage severe periprosthetic deficiencies with highly successful long-term outcomes in revision arthroplasty.
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