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J Shoulder Elbow Surg. 2008 Sep-Oct;17(5):709-14. doi: 10.1016/j.jse.2008.03.004. Epub 2008 Jul 14.

Reconstruction of humeral length and centering of the prosthetic head in hemiarthroplasty for proximal humeral fractures.

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1
Center for Musculoskeletal Surgery, Charité-Universitätsmedizin Berlin, Berlin, Germany. stefan.greiner@charite.de

Abstract

Anatomic reconstruction of humeral length in hemiarthroplasty for complex proximal humeral fractures is difficult because reliable surgical landmarks are missing or are destroyed by the fracture. The pectoralis major tendon is a reliable landmark to determine prosthetic height intraoperatively. This study analyzed the clinical outcome, reconstruction of humeral length, centering of the prosthetic head in the glenoid, and tuberosity positioning and healing, using the pectoralis major tendon as a reference intraoperatively. The study included 30 patients. In 21 patients (group 1), humeral length reconstruction was performed using the pectoralis major tendon as a reference; in 9 (group 2), this reference was not used. Patients underwent a clinical and radiologic evaluation at a mean of 22.7 months. Group 1 showed significantly better results in clinical and radiologic values, especially in anatomic reconstruction of humeral length, than group 2. Clinical outcome depended significantly on greater tuberosity healing and centering of the prosthetic head in the glenoid.

PMID:
18621554
DOI:
10.1016/j.jse.2008.03.004
[Indexed for MEDLINE]
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