Does glenoid bone loss accompany posterior shoulder instability with only labral tear? A magnetic resonance imaging-based study

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dc.contributor.authorOrhan, Ozlem
dc.contributor.authorSezgin, Erdem Aras
dc.contributor.authorOzer, Mustafa
dc.contributor.authorAtaoglu, Muhammet Baybars
dc.contributor.authorKanatli, Ulunay
dc.date.accessioned2024-02-23T14:13:03Z
dc.date.available2024-02-23T14:13:03Z
dc.date.issued2023
dc.departmentNEÜen_US
dc.description.abstractBackground: The primary aim of this study was to investigate bone loss in the glenoid with magnetic resonance imaging in posterior shoulder instability with only a labral tear.Methods: A total of 76 patients operated on because of posterior and anteroposterior shoulder instability only with a labral tear between 2006 and 2019 (n = 40 and n = 36, respectively) were included in this study. The instability type, a presence of an additional superior labrum anteroposterior (SLAP) lesion, the number of dislocations, and the magnetic resonance imaging-based measurements (the glenoid diameter and the bone defect size in the glenoid, the Hill-Sachs lesion [HSL] and the reverse HSL [rHSL] length, the angle and the arc length of HSL and rHSL, and the humerus head diameter and its area) were analyzed.Results: The size of the anterior glenoid defect, the rHSL measurements (length, angle, and arc length), and the ratio of the anterior glenoid defect size to the glenoid diameter were significantly higher for anteroposterior instability (P < .01) cases. There was no significant difference (P = .49, .64, and .82, respectively) for the presence of an additional SLAP pathology, the glenoid diameter, the posterior glenoid defect, and the ratio of the posterior glenoid defect size to the glenoid diameter in posterior and anteroposterior instability groups. The increased number of dislocations was associated with increased rHSL length and total arc length (P = .04 and .03, respectively). An additional SLAP lesion in posterior shoulder instabilities was not associated with the bone defect size (P = .29).Conclusion: Although the posterior shoulder instability with only a labral tear is likely to cause a bone defect, we have shown that the instability is not expected to be caused by the bone defect. Therefore, this study points out that only soft tissue repair without considering the bone defect could be promising in this patient group.Level of evidence: Anatomy Study; Imaging (c) 2023 Journal of Shoulder and Elbow Surgery Board of Trustees. All rights reserved.en_US
dc.description.sponsorshipGazi University [2019-117, 91610558-604.01.02]en_US
dc.description.sponsorshipThis research was approved by the Gazi University institutional review board (2019-117, 91610558-604.01.02) .en_US
dc.identifier.doi10.1016/j.jse.2023.06.032
dc.identifier.endpage2073en_US
dc.identifier.issn1058-2746
dc.identifier.issn1532-6500
dc.identifier.issue10en_US
dc.identifier.pmid37507000en_US
dc.identifier.scopus2-s2.0-85171148583en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage2066en_US
dc.identifier.urihttps://doi.org/10.1016/j.jse.2023.06.032
dc.identifier.urihttps://hdl.handle.net/20.500.12452/12278
dc.identifier.volume32en_US
dc.identifier.wosWOS:001081851100001en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherMosby-Elsevieren_US
dc.relation.ispartofJournal Of Shoulder And Elbow Surgeryen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectHill-Sachs Lesionen_US
dc.subjectMultidirectional Instabilityen_US
dc.subjectPosterior Instabilityen_US
dc.subjectReverse Hill-Sachs Lesionen_US
dc.subjectReverse Bankart Lesionen_US
dc.subjectShoulder Instabilityen_US
dc.titleDoes glenoid bone loss accompany posterior shoulder instability with only labral tear? A magnetic resonance imaging-based studyen_US
dc.typeArticleen_US

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