抄録
Background: We have been performing the Arthroscopic Superior Capsular Reconstruction on the patch operation difficult cases since 2010.
Methods: We performed ASCR on large or massive irreparable rotator cuff tears and present six cases where it has been possible to carry out one year or more of postoperative progress observation. The transplanted tendon in five cases was one layer. The average age at the time of operation was 70.8 years (57-79). The average during of the disease was 10.3 months(1-48). The average postoperative follow-up period was 21.5 months (12-30). The operation method followed the method of Mihata. From the 3rd case, in order to reduce the stress of the inner side suture part, we also covered the suture over drawn SSP. For postoperative clinical evaluation, we used the JOA score and MRI evaluation (Sugaya classification).
Results: The JOA score was improved significantly from an average of 58.2(47-72) points preoperatively to an average of 86.8(81-93) points postoperatively. In MRI evaluation, Type2 was one case, Type3 was three and Type 4 was two cases. Both two cases of Type4 were retear in the glenoid cavity and greater tuberosity suture part. Retear was not seen after the 3rd case that covered the suture over fascia lata and SSP in the glenoid cavity.
Conclusion: We reported six cases which had ASCR performed. In three cases which transplanted tendon of one layer, it was observed that the tendon became thin after the operation. It seemed that the double layer or more thicker tendon is good for the transplant.