{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,28]],"date-time":"2026-03-28T05:12:02Z","timestamp":1774674722129,"version":"3.50.1"},"reference-count":32,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2024,12,15]],"date-time":"2024-12-15T00:00:00Z","timestamp":1734220800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["esskajournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Knee surg. sports traumatol. arthrosc."],"published-print":{"date-parts":[[2025,6]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>To evaluate clinical, functional and radiological mid\u2010term outcomes following posterior open\u2010wedge glenoid osteotomy (POWGO) for the treatment of posterior shoulder instability (PSI) associated with increased glenoid retroversion.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Patients who underwent POWGO for the treatment of symptomatic PSI with glenoid retroversion &gt;10\u00b0 and participated in a previous study assessing short\u2010term outcomes were included after a minimum follow\u2010up of 5 years. Clinical (Rowe score and physical examination) and functional outcomes (Oxford Shoulder Instability Score [OSIS] and visual analogue scale [VAS] for pain) were assessed. Preoperative versus follow\u2010up magnetic resonance imaging (MRI) assessments were compared for changes in posterior humeral head subluxation (PHHS) and progression of osteoarthritis (shoulder osteoarthritis severity [SOAS] score).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Eight patients (nine shoulders) were included 92.0 months (88.0\u2013109.5 months) post\u2010operatively, of which seven patients (eight shoulders) underwent MRI. Shoulder function was good (Rowe score: 80.0 [76.3\u201391.3], OSIS: 41.0 [31.0\u201341.5]) and pain levels were low (VAS for pain: 3.0 [1.0\u20133.0]) at follow\u2010up. Overall, the degree of PHHS did not change between preoperatively and follow\u2010up (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&gt;\u20090.05). Four shoulders demonstrated PHHS preoperatively, of which two had a centred humeral head at follow\u2010up. Shoulder osteoarthritis progressed significantly (SOAS score: 17.0 [11.0\u201324.5] to 33.0 [31.0\u201345.0],\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.018). Residual PSI was evident in 75.0% of shoulders.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>At mid\u2010term follow\u2010up, POWGO for PSI associated with increased glenoid retroversion led to good functional outcomes but failed to reliably restore posterior shoulder stability and prevent osteoarthritis progression.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Level of Evidence<\/jats:title>\n                    <jats:p>Level IV.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/ksa.12548","type":"journal-article","created":{"date-parts":[[2024,12,15]],"date-time":"2024-12-15T14:16:40Z","timestamp":1734272200000},"page":"2237-2243","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Good functional outcome but high rates of instability recurrence after posterior open\u2010wedge glenoid osteotomy for the treatment of posterior shoulder instability with increased glenoid retroversion at mid\u2010term follow\u2010up"],"prefix":"10.1002","volume":"33","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2649-8420","authenticated-orcid":false,"given":"Maximilian","family":"Hinz","sequence":"first","affiliation":[{"name":"Department of Sports Orthopaedics Technical University of Munich Munich Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lorenz","family":"Fritsch","sequence":"additional","affiliation":[{"name":"Department of Sports Orthopaedics Technical University of Munich Munich Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0005-3193-6869","authenticated-orcid":false,"given":"Sebastian","family":"Siebenlist","sequence":"additional","affiliation":[{"name":"Department of Sports Orthopaedics Technical University of Munich Munich Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5422-4411","authenticated-orcid":false,"given":"Lucca","family":"Lacheta","sequence":"additional","affiliation":[{"name":"Department of Sports Orthopaedics Technical University of Munich Munich Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6178-4940","authenticated-orcid":false,"given":"Jonas","family":"Pogorzelski","sequence":"additional","affiliation":[{"name":"Department of Sports Orthopaedics Technical University of Munich Munich Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7899-6299","authenticated-orcid":false,"given":"Marco\u2010Christopher","family":"Rupp","sequence":"additional","affiliation":[{"name":"Department of Sports Orthopaedics Technical University of Munich Munich Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0009-0006-3592-6999","authenticated-orcid":false,"given":"Bastian","family":"Scheiderer","sequence":"additional","affiliation":[{"name":"Department of Sports Orthopaedics Technical University of Munich Munich 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