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Pubmed for Handhelds

PUBMED FOR HANDHELDS

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  • Title: Proximal periarticular locking plates in proximal humeral fractures: functional outcomes.
    Author: Schulte LM, Matteini LE, Neviaser RJ.
    Journal: J Shoulder Elbow Surg; 2011 Dec; 20(8):1234-40. PubMed ID: 21420322.
    Abstract:
    BACKGROUND: Some recent studies have asserted that locking plates do not provide adequate fixation of proximal humeral fractures. The purpose of this study is to review our experience with proximal humeral locking plates, including complications, functional outcomes, and predictors of successful treatment. MATERIALS AND METHODS: At our institution, 45 patients (46 shoulders) with displaced proximal humeral fractures were treated with a proximal humeral locking plate over a 6-year period. Patients underwent standard surgical and rehabilitation protocols and were evaluated clinically with Disabilities of the Arm, Shoulder and Hand and American Shoulder and Elbow Surgeons standardized outcome measurements and range of motion at last follow-up. Radiographs obtained preoperatively, immediately postoperatively, and at final follow-up were evaluated for fracture type, union, and change in alignment. RESULTS: There were 43 patients (44 shoulders) available for range-of-motion and functional outcome measures with an average follow-up of 34 months. Fracture types included 19 two-part, 21 three-part, 3 four-part, and 1 head-splitting fracture. The mean Disabilities of the Arm, Shoulder and Hand score was 11. The average American Shoulder and Elbow Surgeons score was 85. The average visual analog pain score was 0.8. The average range of motion was as follows: elevation, 140°; external rotation at side, 49°; external rotation in abduction, 77°; and internal rotation, T11. No patient had evidence of screw cutout, varus collapse, or avascular necrosis. One patient required hardware removal. CONCLUSIONS: Displaced proximal humeral fractures can be successfully fixed with locking plates when attention is paid to anatomic reduction, proper plate placement below to the greater tuberosity to allow abduction, screws in the head with subchondral bone purchase, calcar screws from inferior-lateral to superior-medial and delaying shoulder motion until at least 2 weeks.
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