吸収性アンカーを用いた鏡視下腱板修復術の治療経験

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The purpose of this study was to evaluate the surgical results of arthroscopic rotator cuff repair (ARCR) and investigate the interoperative complication using bioabsorbable suture anchors.We studied 50 patients with 52 shoulders and who underwent ARCR and were followed-up for more than 6 months from September, 2005 to August, 2007. 41 were males and 11 were females. The average age was 60 years old (32-83 years old) and the average follow-up period was 6 months (6-28.8 months). We investigated the surgical results using the Japanese Orthopaedic Association score (JOA score).Tear type was incomplete in 10 shoulders, small in 4, medium in 19, large in 15 and massive in 4. The average total JOA score increased from 67.3 points to 92.7 points after ARCR. The total of 200 Bioknotless RC (Depuy Mitek) anchors and 15 Panalok Loop RC (Depuy Mitek) anchors were utilized for repairing the torn cuff in all cases for this period. In 4 out of 200 Bioknotless RC anchors, the tips of metal inserters broke and remained in the anchors in tapping the anchors into the bone. 3 of 4 cases were performed by non-practiced operators.The surgical outcome of ARCR using bioabsorbable sutures is satisfactory, and ARCR is a technically demanding procedure especially using bioknotless anchors.
2009-07-27