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Clin Shoulder Elbow > Volume 20(4); 2017 > Article
Clinics in Shoulder and Elbow 2017;20(4):222-229.
DOI:    Published online December 31, 2017.
Hook Plate Fixation for Isolated Greater Tuberosity Fractures of the Humerus
Kyoung Rak Lee, Ki Cheor Bae, Chang Jin Yon, Chul Hyun Cho
Department of Orthopedic Surgery, Dongsan Medical Center, Keimyung University School of Medicine, Daegu, Korea.
Received: 1 November 2017   • Accepted: 2 November 2017
BACKGROUND: The purpose of this study was to investigate the outcomes after fixation using a 3.5-mm locking compression plate (LCP) hook plate for isolated greater tuberosity (GT) fractures of the proximal humerus.
We evaluated the postoperative radiological and clinical outcomes in nine patients who were followed up at least 1 year with isolated GT fractures. Using the deltopectoral approach, we fixed the displaced GT fragments with a 3.5-mm LCP hook plate (Synthes, West Chester, PA, USA). Depending on the fracture patterns, the hook plate was fixed with or without augmentation using either tension suture or suture anchor fixation.
All the patient showed successful bone union. The mean time-to-union was 11 weeks. The radiological and clinical outcomes at the final follow-up were generally satisfactory. The mean visual analogue scale for pain, the University of California at Los Angeles score, the American Shoulder and Elbow Surgeons score, and the subjective shoulder value were 1.4, 30.3, 84.3, and 82.2%, respectively. The mean active forward flexion, abduction, external rotation, and internal rotation of the shoulder were 156.7°, 152.2°, 61.1°, and the 10th thoracic vertebral level, respectively. Only one patient presented with a postoperative complication of shoulder stiffness. The patient was treated through arthroscopic capsular release on the 5th postoperative month.
We conclude that fixation using 3.5-mm LCP hook plates for isolated GT fractures of the proximal humerus is a useful treatment method that provides satisfactory clinical and radiological outcomes.
Key Words: Hook plate fixation; Greater tuberosity fracture; Humerus


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