A Comparison of Total Hip Resurfacing and Total Hip Arthroplasty: Patients and Outcomes‪.‬

Metal-metal surface replacement (MMSR) has seen increased utilization around the world.1 This growth is fueled in the orthopaedic community by reports of favorable outcomes in peer-reviewed publications.2-4 Patient interest in hip resurfacing in the United States (U.S.) is partly driven by Internet promotions and patient postings reporting faster recovery and greater functional capacity, including a higher range of motion (ROM) and lower dislocation risk than with traditional total hip arthroplasties (THAs). In fact, there is a paucity of comparisons in the literature of patients and outcomes with current generation MMSRs and THA. The following investigation is a comparative study of patient demographics, preoperative clinical condition, and postoperative outcome across these two procedures. We hypothesize that the functional benefits of MMSR are due, at least in part, to patient-related variables, such as age and general health status. Materials and Methods