Prior Arthroscopy Leads to Inferior Outcomes in Total Hip Arthroplasty: A Match-Controlled Study.

Abstract: Total hip arthroplasty (THA) is one of the most common reoperations after hip arthroscopy. Although arthroscopy causes changes in the hip joint and the surrounding soft tissues that can make THA more challenging, previous reports on arthroscopy before THA have not demonstrated any significant effect on clinical outcomes.

Methods: Patients who underwent a THA following an ipsilateral hip arthroscopy were matched to a control group of THA patients with no history of ipsilateral hip surgery. Matching criteria were age within 5 years, sex, body mass index within 5, surgical approach, and robotic assistance. Harris Hip Score, Forgotten Joint Score-12, visual analog scale score, satisfaction, and postoperative complication and reoperation rates were compared at minimum 2-year follow-up.

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