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Reverse shoulder arthroplasty for four-part proximal humerus fracture in elderly patients: can a healed tuberosity improve the functional outcomes?

Title
Reverse shoulder arthroplasty for four-part proximal humerus fracture in elderly patients: can a healed tuberosity improve the functional outcomes?
Authors
Chun, Yong-MinKim, Doo-SupLee, Doo-HyungShin, Sang-Jin
Ewha Authors
신상진
SCOPUS Author ID
신상진scopus
Issue Date
2017
Journal Title
JOURNAL OF SHOULDER AND ELBOW SURGERY
ISSN
1058-2746JCR Link
Citation
vol. 26, no. 7, pp. 1216 - 1221
Keywords
Proximal humerusfracturearthroplastyshouldertuberosityrepair
Publisher
MOSBY-ELSEVIER
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
Background: The purpose of this study was to investigate whether healed tuberosities yield better rotational range of motion (ROM) and functional outcomes compared with unhealed tuberosities after reverse shoulder arthroplasty in elderly patients with comminuted proximal humerus fractures. Methods: This study included 38 patients who underwent reverse arthroplasty because of 4-part proximal humerus fractures; 14 patients had healed tuberosities (group A) and 24 patients had unhealed tuberosities (group B). Functional assessments included visual analog scale pain score, American Shoulder and Elbow Surgeons score, Constant score, and active ROM. Results: There were no significant differences in the patients' demographics between the 2 groups. At final follow-up, no significant differences were found between groups in visual analog scale score (group A, 1.4; group B, 1.6; P =.647), American Shoulder and Elbow Surgeons score (74.3 and 70.7; P =.231), and Constant score (67.9 and 63.9; P =.228) and ROM with forward flexion and internal rotation. However, in external rotation, there was a significant difference between groups (29 degrees and 10 degrees in external rotation with the elbow at the side [P <.001]; 25 degrees and 7 degrees in external rotation with shoulder abduction [P <.001]). Conclusion: After reverse shoulder arthroplasty for 4-part proximal humerus fracture, tuberosities were healed in an anatomic position in 37% of patients. However, there were no significant differences in functional outcomes and ROM between the 2 groups, with the exception of external rotation, which was better in the healed tuberosity group. Therefore, tuberosity healing is not a prerequisite for satisfactory outcomes after reverse shoulder arthroplasty for 4-part proximal humerus fractures in elderly patients. (C) 2016 Journal of Shoulder and Elbow Surgery Board of Trustees. All rights reserved.
DOI
10.1016/j.jse.2016.11.034
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의과대학 > 의학과 > Journal papers
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