Abstract
Periprosthetic acetabular fractures sustained following acute trauma after total hip arthroplasty are rare and historically have poor outcomes. This article reviews 5 cases and the treatment algorithm used by a single orthopaedic surgeon specializing in acetabular fracture care with a co-surgeon specializing in arthroplasty. Team-based surgical management with arthroplasty- and fracture-trained surgeon(s) is paramount for optimal outcome. The following approach resulted in satisfactory outcomes without need for revision implants. In fracture patterns with columnar involvement, the columns were restored with plates and screws. In fracture patterns with wall involvement, the acetabular component functioned as a template for wall reconstruction with use of a buttress plate. The acetabular component was revised when deemed loose during stress of the component through the surgical approach used for fracture fixation.
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