Suture anchor を用いた上腕骨大結節骨折の手術療法

概要

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Background: The purpose of this study was to evaluate the clinical results of suture anchor fixation of displaced greater tuberosity fractures of the humerus. Methods: Between 2005 and 2012, a total of eight patients (3 males and 5 females) with displaced greater tuberosity fractures of the humerus had suture anchor fixation. The mean age was 69 years old (range, 62 to 85). The duration from injury to surgery was 74.4 days (range, 7 to 245). The average duration of follow-up was 25.5 (5 - 60) months. We evaluated the medial and superior distance from the humeral heads to the displaced bone fragment, the range of motion (flexion, abduction, external rotation (ER)) and JOA score. Results: The preoperative distance of superior and medial displacement was 19.6mm (range, -5.9 to 43.0mm) and 8.4mm (range, 1.3 to 16.7mm) respectively. At final follow-up, mean flexion was 91.9 (range, 60 to 140°), mean abduction was 86.3°(range, 50 to 140°), ER was 21.9°(range, -20 to 60°) and mean postoperative JOA score was 72.9 (range, 63 to 87). Conclusion: The larger the displacement and the longer the interval from injury to surgery, the more likely that there will be a worse clinical result. We therefore conclude that suture anchor fixation is a useful procedure in the treatment of displaced greater tuberosity fractures of the humerus.
日本肩関節学会の論文