Abstract
BackgroundInterest in direct anterior approach (DAA) has increased over the last decade. In our previously published study comparing DAA to posterolateral approach (PA), early 3-month benefits were noted in terms of pain and function. There was no difference noted at 6 or 12 months. This study reports average 5-year follow-up of our original study. MethodsOriginally there were 43 DAA patients and 44 PA patients. At an average 5-year follow-up, patients were evaluated clinically with a University of California at Los Angeles activity score, Harris hip score, and Hip Disability and Osteoarthritis Outcome Score Jr Survivorship analysis was calculated. Radiographs were evaluated for loosening and evidence of radiolucent lines. ResultsThere were 2 deaths 1 in each group, neither was related to the implant or procedure. Four patients were lost to follow-up: 2 in the DAA group and 2 in the PA group. There was no statistical difference between surgical approaches in terms of Harris hip score, University of California at Los Angeles activity score, and Hip Disability and Osteoarthritis Outcome Score Jr. The 7-year survivorship was not significantly different. There were no loose implants at average 5-year follow-up. ConclusionBoth DAA and PA yield good results at an average 5-year follow-up in terms of survivorship, function, rate of complications, and radiographic analysis.
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