腱板滑液包側断裂における上腕骨停止部での断裂部位の検討 : 術前MRIを用いた検討

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Recently, some papers about arthroscopic repairs of bursal-sided rotator cuff tear showed good clinical results. The purposes of this study were to analyze our operative outcomes of arthroscopic repair for bursal-sided rotator cuff tear and to determine retrospectively locations of torn site based on our new anatomical concepts. A total of 14 shoulders of patients (7 females, 7 males) underwent arthroscopic cuff repair for bursal-sided tear from 2000 to 2007. The mean age at surgery and the mean follow-up period were 61.3 years old (average, 53 to 76) and 10.4 months (average, 6 to 24), respectively. The distributions of the torn site were analyzed with preoperative magnetic resonance imaging (MRI) using bony landmarks. The clinical outcomes were evaluated using the JOA shoulder score. Based on preoperative MRIs, torn sites of 3 cases were located at the anterior side of the highest impression of greater tuberosity (type A), that of 5 cases were located from the posterior side of the highest impression to the middle impression (type B), that of 4 cases were located from the anterior side of the highest impression to the middle impression (type C), and that of 2 cases were difficult to determine. The average total JOA score improved from 70.3 to 95.9. In the present study, good clinical results for arthroscopic repair for bursal-sided rotator cuff tear were shown. Based on our anatomical concepts for the footprint of the infraspinatus, the presence of isolated infraspinatus tears might be included in bursal-sided rotator cuff tear.
日本肩関節学会の論文
2009-07-27

腱板滑液包側断裂における上腕骨停止部での断裂部位の検討 : 術前MRIを用いた検討

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