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The search terms used were\n                      <jats:italic>(borderline OR mild) AND hip AND (arthroscopy OR dysplasia) AND failure<\/jats:italic>\n                      . The primary outcomes assessed were risk factors reported by each study for failure of a HA\u2010only approach in patients with BHD.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Fourteen studies (8 Level III, 6 Level IV) met inclusion criteria, totaling 749 hips. Patient age ranged from 29.8 to 39.2 years, with a mean follow\u2010up ranging from 24.0 to 144.0 months. The overall percentage of female patients ranged from 11.8% to 100.0%. Overall, the clinical failure rate ranged from 0 to 53.3%, and the reoperation rate ranged from 0 to 44.0%. The predominant predictors of poor outcomes after HA alone included T\u00f6nnis angle \u226515\u00b0, age \u226540 to 42 years at surgery, and female sex. Other risk factors for failure were preoperative clinical arthritis, grade 3 or 4 articular cartilage changes to the femoral head or acetabulum, an anterior wall index &lt;0.35, and labral debridement. Revision procedures performed included revision HA (n = 88, 0\u201028.0%), total hip arthroplasty (n = 55, 0%\u201023.7%), and endoscopic shelf acetabuloplasty (n = 5, 0%\u201011.0%). One study included an additional 9 patients converting to either periacetabular osteotomy or total hip arthroplasty without distinguishing between the two.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>For patients with BHD, T\u00f6nnis angle \u226515\u00b0, age \u226540 to 42 years at surgery, female sex, anterior wall index &lt;0.35, labral debridement, and pre\u2010existing hip osteoarthritis are common risk factors for treatment failure following isolated HA.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Level of Evidence<\/jats:title>\n                    <jats:p>Level IV, systematic review of Level III\u2010IV studies.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1016\/j.arthro.2024.10.021","type":"journal-article","created":{"date-parts":[[2024,10,28]],"date-time":"2024-10-28T01:44:43Z","timestamp":1730079883000},"page":"2636-2645","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":23,"title":["Risk Factors for Failure of Hip Arthroscopy in Patients With Borderline Dysplasia Include a T\u00f6nnis Angle \u226515\u00b0, Age \u226540 to 42 Years, Female Sex, Anterior Wall Index &lt;0.35, Labral Debridement, and Preexisting Hip Osteoarthritis: A Systematic Review"],"prefix":"10.1002","volume":"41","author":[{"given":"Matthew J.","family":"Kraeutler","sequence":"first","affiliation":[{"name":"Department of Orthopaedic Surgery &amp; Rehabilitation Texas Tech University Health Sciences Center Lubbock Texas U.S.A."},{"name":"Department of Orthopaedics Institute of Clinical Sciences University of Gothenburg Sahlgrenska Academy Gothenburg M\u00f6Indal Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Preston M.","family":"Terle","sequence":"additional","affiliation":[{"name":"Tulane University School of Medicine New Orleans Louisiana U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mahant","family":"Malempati","sequence":"additional","affiliation":[{"name":"Tulane University School of Medicine New Orleans Louisiana U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jaydeep","family":"Dhillon","sequence":"additional","affiliation":[{"name":"Department of Orthopedics Samaritan Health Services Corvallis Oregon U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kristian","family":"Samuelsson","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics Institute of Clinical Sciences University of Gothenburg Sahlgrenska Academy Gothenburg M\u00f6Indal Sweden"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Omer","family":"Mei\u2010Dan","sequence":"additional","affiliation":[{"name":"Department of Orthopedics University of Colorado Anschutz Medical Campus Aurora Colorado 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