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Intra-articular Lesions and Clinical Outcomes in Traumatic Anterior Shoulder Dislocation Associated with Greater Tuberosity Fracture of the Humerus
Clinics in Shoulder and Elbow 2017;20:195-200
Published online December 31, 2017
© 2017 Korean Shoulder and Elbow Society.

Kuk Pil Lim, In Seung Lee, In-Bo Kim

Department of Orthopedic Surgery, Busan Bumin Hospital, Busan, Korea
Correspondence to:
In-Bo Kim
Department of Orthopedic Surgery, Busan Bumin Hospital, 59 Mandeok-daero, Buk-gu, Busan 46555, Korea
Tel: +82-51-330-3082, Fax: +82-51-330-3075, E-mail: zeusibk@naver.com
IRB approval (No. 201706-BM-005).
Received July 17, 2017; Revised October 12, 2017; Accepted October 30, 2017.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
 Abstract
Background: This study investigated and evaluated the clinical outcomes of intra-articular lesions of traumatic anterior shoulder dislocation (TASD) associated with greater tuberosity (GT) fracture of the humerus.
Methods: Subjects included 20 patients who were surgically or non-surgically treated for GT fracture of the humeurs with TASD, and followed-up for at least 2 years. The mean follow-up period was 54.1 months (range, 24–105 months). Of the 20 patients, 12 were treated surgically. Intra-articular lesions were identified randomly on magnetic resonance imaging scans (repeated thrice) by experienced radiologists and orthopedic surgeons. The accompanying intra-articular lesions were left untreated. Clinical outcomes were evaluated by Simple Shoulder Test (SST) and Western Ontario Shoulder Instability index (WOSI) at the last follow-up.
Results: Intra-articular lesions were identified in 19 patients: 7 Bankart lesions, 15 humeral avulsion of the glenohumeral ligament lesions, 3 glenoid avulsion of the glenohumeral ligament lesion, and 6 inferior capsular tears. Two or more intra-articular lesions were identified in 6 patients. The mean SST score was 10.9 and the mean WOSI score was 449.3 at the last follow-up.
Conclusions: For GT fracture of the humerus with TASD, a high frequency of diverse intra-articular lesions was identified. There were no incidence of recurrent shoulder dislocations, and good clinical outcomes were obtained without treatment of the intra-articular lesions. We thereby comprehend that although intra-articular lesions may occur in TASD associated with GT fracture of the humeurs, merely treating the GT fracture of the humerus is sufficient.
(Clin Shoulder Elbow 2017;20(4):195-200)
Keywords : Intra-articular lesions; Traumatic anterior shoulder dislocation; Greater tuberosity fracture