Journal
JOURNAL OF SHOULDER AND ELBOW SURGERY
Volume 28, Issue 6, Pages S131-S137Publisher
MOSBY-ELSEVIER
DOI: 10.1016/j.jse.2019.05.002
Keywords
Clinical outcomes; fracture fixation; intramedullary cage; pain; proximal humeral fracture; range of motion
Categories
Funding
- Conventus research contract
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Background: Reverse total shoulder arthroplasty is a treatment option for 3- and 4-part proximal humeral fractures in elderly patients. However, arthroplasty has drawbacks in younger patients because of their greater activity level and more likely need for revision surgery. In such patients, an intramedullary cage may allow for reconstruction of the proximal humerus. Methods: We reviewed the outcomes of patients with proximal humeral fractures treated with expandable intramedullary cages from 2016 to 2017. We included patients with closed 3- or 4-part fractures (Neer classification), no osteoarthritis of the glenohumeral joint, and minimum 12-month follow-up. We assessed range of motion, pain, the American Shoulder and Elbow Surgeons score, and the Subjective Shoulder Value. Results: Eleven patients (mean follow-up, 54 weeks [range, 49-61 weeks]) were included. Two patients had 3-part fractures, and nine had 4-part fractures. At final follow-up, the mean visual analog scale score for pain was 1.4 (range, 0-6), the mean Subjective Shoulder Value was 69 (range, 20-90), and the mean American Shoulder and Elbow Surgeons score was 80 (range, 27-98). Mean forward flexion was 123 degrees (range, 45 degrees-160 degrees), mean abduction was 82 degrees (range, 30 degrees-90 degrees), and mean external rotation in 90 degrees of abduction was 71 degrees (range, 30 degrees-90 degrees). At final radiographic evaluation, all fractures were healed. No woundrelated or neurologic complications were noted. Avascular necrosis developed in 1 patient; conversion to shoulder arthroplasty was performed. Conclusion: Treatment of 3- and 4-part proximal humeral fractures with an expandable intramedullary cage produced good clinical outcomes and a 100% union rate. (C) 2019 Journal of Shoulder and Elbow Surgery Board of Trustees. All rights reserved.
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