{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,16]],"date-time":"2026-10-16T13:48:22Z","timestamp":1792158502926,"version":"4.4.0"},"reference-count":24,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2026,8,20]],"date-time":"2026-08-20T00:00:00Z","timestamp":1787184000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"},{"start":{"date-parts":[[2026,8,20]],"date-time":"2026-08-20T00:00:00Z","timestamp":1787184000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["arthroscopyjournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Arthroscopy, Sports Medicine, and Rehabil."],"published-print":{"date-parts":[[2026,10]]},"abstract":"<jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>To prospectively investigate subjective anterior groin pain, patient\u2010reported outcome measures, complications, reoperation rates, and hip flexion strength after arthroscopic iliopsoas fractional lengthening.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>From 2023 to 2025, patients with persistent groin pain after total hip arthroplasty refractory to conservative management undergoing arthroscopic iliopsoas fractional lengthening were prospectively identified at 2 tertiary referral centers. Pre\u2010 and postoperative outcomes at a minimum 6\u2010month follow\u2010up including the Visual Analog Scale, Tegner activity scale, Single Assessment Numeric Evaluation, and subjective anterior groin pain and hip flexion strength were analyzed.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Fifty\u2010nine hips in 56 patients were included (age: 64.9\u2009\u00b1\u20099.8\u2009years, 59% women, body mass index: 30.0\u2009\u00b1\u20095.8\u2009kg\/m\n                      <jats:sup>2<\/jats:sup>\n                      ) and followed for 10.0\u2009\u00b1\u20096.9\u2009months postoperatively (range: 4\u201025\u2009months). Patients experienced significant (\n                      <jats:italic>P<\/jats:italic>\n                      \u2009&lt;\u2009.001) postoperative improvements in the Visual Analog Scale at rest (1.4\u2009\u00b1\u20092.2 vs 2.8\u2009\u00b1\u20092.1), Visual Analog Scale with use (3.0\u2009\u00b1\u20092.9 vs 7.8\u2009\u00b1\u20091.8), Tegner activity scale (2.8\u2009\u00b1\u20091.2 vs 2.0\u2009\u00b1\u20091.0), and Single Assessment Numeric Evaluation score (73.8\u2009\u00b1\u200922.5 vs 47.7\u2009\u00b1\u200922.2). Postoperative surgical satisfaction was 8.0\u2009\u00b1\u20092.7 (scale: 0\u201010). Nearly 90% of patients reported feeling much or slightly better regarding their anterior groin pain postoperatively at 2\u2010week (91%), 6\u2010week (88%), 3\u2010month (91%), and final follow\u2010up (92%). Regarding hip flexion strength, \u226566% reported feeling much or slightly better at 2\u2010week (73%), 6\u2010week (95%), 3\u2010month (89%), and final follow\u2010up (66%). Three hips (6%) underwent reoperation at the final follow\u2010up (1 acetabular screw removal with open revision release, 1 revision total hip arthroplasty for loosening, and 1 two\u2010stage exchange for nonacute periprosthetic joint infection).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Nearly 90% of patients who underwent arthroscopic iliopsoas fractional lengthening after primary total hip arthroplasty reported improved anterior groin pain, whereas two\u2010thirds reported increased subjective hip flexion strength throughout the follow\u2010up. Of note, clinically meaningful improvement in pain at rest was achieved by 50% of patients based on cohort\u2010specific minimal clinically important difference criteria.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Level of Evidence<\/jats:title>\n                    <jats:p>Level IV, retrospective therapeutic case series.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/ars2.70068","type":"journal-article","created":{"date-parts":[[2026,8,21]],"date-time":"2026-08-21T02:40:10Z","timestamp":1787280010000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Significant Clinical Improvements Following Arthroscopic Iliopsoas Fractional Lengthening After Total Hip Arthroplasty: A Prospective Multicenter Study"],"prefix":"10.1002","volume":"8","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-6904-4720","authenticated-orcid":false,"given":"Brandon","family":"Cabarcas","sequence":"first","affiliation":[{"name":"Department of Orthopedic Surgery Mayo Clinic  Rochester Minnesota U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0006-4072-4718","authenticated-orcid":false,"given":"Sanathan","family":"Iyer","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery Mayo Clinic  Rochester Minnesota U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0002-9272-3400","authenticated-orcid":false,"given":"Sandeep","family":"Yanamala","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery Mayo Clinic  Rochester Minnesota 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