{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,27]],"date-time":"2026-07-27T16:51:53Z","timestamp":1785171113185,"version":"3.55.0"},"reference-count":28,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2016,10,4]],"date-time":"2016-10-04T00:00:00Z","timestamp":1475539200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2016,10,4]],"date-time":"2016-10-04T00:00:00Z","timestamp":1475539200000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"},{"start":{"date-parts":[[2016,10,4]],"date-time":"2016-10-04T00:00:00Z","timestamp":1475539200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"}],"content-domain":{"domain":["clinicalkey.jp","clinicalkey.com","clinicalkey.es","arthroscopyjournal.org","clinicalkey.com.au","clinicalkey.fr","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Arthroscopy"],"published-print":{"date-parts":[[2017,2]]},"abstract":"<jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>To compare glenoid retroversion and functional outcomes between patients with traumatic onset of posterior shoulder instability (PSI) and patients with atraumatic onset of PSI.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Patients with PSI who underwent arthroscopic posterior capsulolabral anchor repair, were active in sports, and had undergone surgery a minimum of 2\u00a0years earlier were included. Traumatic onset was defined as PSI that occurred after a trauma with the shoulder in adduction, flexion, and internal rotation in patients with no history of instability. Subjective evaluations were obtained with the American Shoulder and Elbow Surgeons (ASES); Quick Disabilities of the Arm, Shoulder and Hand; Single Assessment Numeric Evaluation (SANE); and Short Form 12 Physical Component Summary scores preoperatively and after a minimum 2\u2010year follow\u2010up postoperatively. Additional questions assessed return to sport and shoulder stability. Glenoid version was measured with a 2\u2010dimensional glenoid vault method on magnetic resonance imaging.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      A total of 41 shoulders in 38 patients were eligible for inclusion (3 female and 35 male patients; mean age, 27.6\u00a0years; age range, 13 to 66\u00a0years). Three patients refused participation, and 2 patients required subsequent surgery for failure. Postoperative outcomes were available for 32 of the remaining 36 shoulders (89%) with a mean follow\u2010up of 4.1\u00a0years (range, 2.0 to 7.8\u00a0years; 20 atraumatic and 12 traumatic). The ASES score improved significantly in both groups (\n                      <jats:italic>P<\/jats:italic>\n                      &lt; .03), whereas the SANE; Quick Disabilities of the Arm, Shoulder and Hand; and Short Form 12 Physical Component Summary scores only significantly improved for patients with traumatic PSI (\n                      <jats:italic>P<\/jats:italic>\n                      &lt; .02). Baseline score\u2013adjusted comparison between groups showed that the postoperative median ASES scores (atraumatic, 95.8; traumatic, 99.9) and SANE scores (atraumatic, 86.5; traumatic, 98.0) were significantly more improved in patients with traumatic PSI (\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0= .01 and\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0= .012, respectively). Atraumatic PSI was associated with significantly higher glenoid retroversion (\u221221.8\u00b0 \u00b1 4.2\u00b0 vs\u00a0\u221217.7\u00b0 \u00b1 5.5\u00b0,\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0= .032). There was no significant difference regarding return to sport (\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0= .375) or postoperative re\u2010dislocations (\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0= .99) between the groups.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Atraumatic onset of PSI was associated with higher degrees of glenoid retroversion and less favorable functional outcomes of arthroscopic posterior capsulolabral anchor repair than traumatic PSI.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Level of Evidence<\/jats:title>\n                    <jats:p>Level III, retrospective case\u2010control study.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1016\/j.arthro.2016.07.020","type":"journal-article","created":{"date-parts":[[2016,10,8]],"date-time":"2016-10-08T18:19:14Z","timestamp":1475950754000},"page":"284-290","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":55,"title":["Association of Traumatic and Atraumatic Posterior Shoulder Instability With Glenoid Retroversion and Outcomes After Arthroscopic Capsulolabral Repair"],"prefix":"10.1002","volume":"33","author":[{"given":"J. Christoph","family":"Katthagen","sequence":"first","affiliation":[{"name":"Steadman Philippon Research Institute Vail Colorado U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Dimitri S.","family":"Tahal","sequence":"additional","affiliation":[{"name":"Steadman Philippon Research Institute Vail Colorado U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Scott R.","family":"Montgomery","sequence":"additional","affiliation":[{"name":"Steadman Philippon Research Institute Vail Colorado U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marilee P.","family":"Horan","sequence":"additional","affiliation":[{"name":"Steadman Philippon Research Institute Vail Colorado U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Peter J.","family":"Millett","sequence":"additional","affiliation":[{"name":"Steadman Philippon Research Institute Vail Colorado U.S.A."},{"name":"The Steadman Clinic Vail Colorado U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2016,10,4]]},"reference":[{"key":"e_1_2_3_2_2","doi-asserted-by":"publisher","DOI":"10.3109\/17453674.2011.641102"},{"key":"e_1_2_3_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jse.2014.06.053"},{"key":"e_1_2_3_4_2","doi-asserted-by":"publisher","DOI":"10.1177\/0363546504271509"},{"key":"e_1_2_3_5_2","doi-asserted-by":"publisher","DOI":"10.1177\/0363546515577622"},{"key":"e_1_2_3_6_2","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-198466020-00002"},{"key":"e_1_2_3_7_2","doi-asserted-by":"publisher","DOI":"10.5435\/00124635-200608000-00004"},{"key":"e_1_2_3_8_2","doi-asserted-by":"publisher","DOI":"10.5435\/JAAOS-22-03-145"},{"key":"e_1_2_3_9_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.arthro.2010.06.016"},{"key":"e_1_2_3_10_2","doi-asserted-by":"publisher","DOI":"10.1177\/0363546505285585"},{"key":"e_1_2_3_11_2","doi-asserted-by":"publisher","DOI":"10.1177\/0363546513493599"},{"key":"e_1_2_3_12_2","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-200308000-00008"},{"key":"e_1_2_3_13_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.arthro.2014.11.009"},{"key":"e_1_2_3_14_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.arthro.2012.03.011"},{"key":"e_1_2_3_15_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.arthro.2015.01.016"},{"key":"e_1_2_3_16_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.arthro.2015.02.022"},{"key":"e_1_2_3_17_2","doi-asserted-by":"publisher","DOI":"10.1097\/BPO.0000000000000315"},{"key":"e_1_2_3_18_2","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-198668050-00013"},{"key":"e_1_2_3_19_2","doi-asserted-by":"publisher","DOI":"10.2106\/JBJS.C.01448"},{"issue":"308","key":"e_1_2_3_20_2","first-page":"98","article-title":"Recurrent 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