Metal Augments Used in Revision Hip Arthroplasty: A Systematic Review and Single-Arm Meta-Analysis

•Revision hip arthroplasty utilizing metal augments has achieved good clinical results.•With the use of metal augment, the hip center of rotation has returned to a more anatomical position, as well as functional status scores improved.•Acetabular revision with the use of metal augment has achieved low reoperation, revision, and complication rate throughout all time points assessed in this analysis.