上腕骨大結節骨折に対するスーチャーアンカーを用いた骨接合術の術後成績

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The purpose of this study was to evaluated the short term outcome of osteosynthesis with suture anchors in greater tuberosity fracture of the proximal humerus. 5 patients who underwent open reduction and anchor fixation between August 2007 and January 2010 were included in the study.There were 2 males and 3 females. The mean age was 71(66-84) years old and the average follow-up period was 19 (9-38)months. 4 patients had anterior shoulder dislocation. Operative indications were more than 2 facet fractures of greater tuberosity and more than 1 cm displacement.4 patients involved 3 facet fractures and the remaining 1 patient superior and middle facet fractures.The average posterior displacement was 17 mm(10-20), medial displacement 15 mm (13-20).5 mm size anchors were used in good bone quality patients and 6.5 mm size anchors in poor bone quality patient. The mean active flexion was 146° (130°-160°), ER: 42°(30°-50°), IR: T12 (L4/5 -T6). The average JOA score was 80.6 pts (73-94). All patients showed bone union.Osteosynthesis with suture anchors was useful for the treatment of greater tuberosity fracture of the proximal humerus.