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Clin Shoulder Elbow > Volume 20(2); 2017 > Article
Clinics in Shoulder and Elbow 2017;20(2):95-99.
DOI:    Published online June 30, 2017.
Operative Treatment with Intramedullary Fibular Strut Allograft for Osteoporotic Proximal Humerus Fracture
Yong Min Chun, Wonyong Lee
Department of Orthopaedic Surgery, Arthroscopy and Joint Research Institute, Severance Hospital, Yonsei University College of Medicine, Seoul, Korea.
Received: 27 July 2016   • Revised: 1 March 2017   • Accepted: 20 March 2017
BACKGROUND: The purpose of this study was to investigate the clinical and radiological outcomes of locking plate fixation with fibular strut allograft to manage unstable osteoporotic proximal humerus fractures.
We retrospectively reviewed 15 patients who underwent open reduction and locking plate fixation with fibular strut allograft for osteoporotic proximal humerus fracture between July 2011 and June 2015. For functional evaluation, we evaluated visual analogue scale (VAS) pain score, American Shoulder and Elbow Surgeons (ASES) score, University of California Los Angeles (UCLA) shoulder score, and active range of motion. For radiological evaluation, shoulder true anteroposterior (AP) and AP in 20° external rotation, as well as the axillary view were taken at two weeks, six weeks, three months, six months, and one year. And the neck-shaft angle was measured on the AP view in 20° external rotation view.
At the one-year follow-up, mean VAS pain score and all shoulder scores, including ASES score and UCLA shoulder score, exhibited satisfactory clinical outcomes. All patients obtained bone union between three and six months post-procedure. Moreover, the mean immediate postoperative neck-shaft angle was 138° ± 4°, and at one-year follow-up, the neck shaft angle was 137° ± 5°. There was no significant difference between the preoperative and postoperative values (p=0.105).
For the unstable two-part and three-part osteoporotic proximal humerus fractures with medial calcar comminution, the use of fibular strut allograft with locking plate fixation was effective in maintaining the initial status of reduction and exhibiting the satisfactory functional and radiological outcomes.
Key Words: Humerus; Aged; Osteoporosis; Fibula; Fracture fixation


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