Bony Bankart Bridge変法で治療した反復性肩関節脱臼の５症例

概要

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Millett reported “Bony Bankart Bridge” procedure as an easy and reproducible method. It is one of double row fixation, similar to DAFF (double anchor footprint fixation). We have applied a suture-bridgeing technique to fix bony Bankart lesion from 2 years ago. We call this the modified bony Bankart bridge procedure. We operated on the 4 patients (5 shoulders) for bony Bankart lesion, and fixed its bony fragments by 2 suture-bridges using anchor loop. All cases were men with an average age of 28 years old (range: 23-36). The follow-up period was 13 months (range: 4-24). In all 5 cases, radiographic union was achieved although a minor osteoarthritic change was observed in 2 cases. The mean JSS Shoulder Instability Score was 30.4 points (range: 27-34) preoperatively, and 93.0 points (90-98) postoperatively. Especially, the score of instability was normal in all the cases postoperatively. In 2 cases of the non-dominant hand side, external rotation decreased by 20 percent compared to the non-operated side. One patient (2 shoulders) was followed-up over 1 year, and had returned to sports activity (snow board). In these 5 cases, our results were satisfactory.