Management strategies for acetabular defects in revision total hip arthroplasty

The management of failed acetabular implants in total hip arthroplasty revision surgery requires an algorithm for intraoperative decisions regarding technique and implant selection. When > or = 50% of the acetabular host-bone is intact and stable, a press-fit ingrowth socket offers a reliable solution. In the presence of peripheral, central, or combined defects, a reconstruction ring with compacted cancellous allograft is advised.