スーチャーブリッジを追加した重層固定法の鏡視下腱板修復術

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The purpose of this study was to investigate the short term clinical results and the re-tear rate on MRI after arthroscopic rotator cuff repair (ARCR) using double-row technique with additional bridging sutures. We studied 30 shoulders who underwent ARCR using double-row technique with additional bridging sutures (D+SB technique) and 30 shoulders using conventional double-row technique (D technique). 20 were males, 10 were females and the average age was 62.3 years old in the D+SB technique group, while 22 were males, 8 were females and the average was 62.8 years old in the D technique group. We investigated the clinical results using Japanese Orthopaedic Association score (JOA score) at 6 months after operations and the postoperative cuff integrity determined by Sugayas classification on MRI. The average total JOA score at 6 months after operation increased to 90.5 points with D+SB technique and to 90.8 points with D technique. There was no significant difference between these techniques in small, medium, large and massive tear cases but there was in partial tear cases. Sugayas type IV or V that implied rotator cuff re-tear were 4 of 27 (15 %) in D+SB technique group and 3 of 30 (10 %) in D technique group. The functional outcomes of ARCR using D+SB technique were satisfactory especially in partial tear cases and the re-tear rates were quite low in both methods. These results indicate that these two techniques are clinically and structurally effective and reliable methods for ARCR, and there is a possibility that the addition of the bridging suture makes for early recovery in partial tear cases.

スーチャーブリッジを追加した重層固定法の鏡視下腱板修復術

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