腱板修復術の2年以上の成績：直視下法と鏡視下重層固定法の比較

概要

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Previous studies have reported that double row cuff repair had superior initial fixation strength and footprint coverage compared with single row repair or transosseus fixation method. The clinical outcome and repair integrity after arthroscopic double row cuff repair (ARCR) was compared with that of open cuff repair (ORCR). ORCR included 21 shoulders from 19 patients with a mean age of 66.4 years old. ARCR included 30 shoulders from 29 patients with a mean age of 65.6 years old. The average size of the tear was 25.4 mm in ORCR and 24.0mm in ARCR. Both groups were comparable in age, gender, duration of symptoms, size of tear and preoperative JOA score. JOA score and cuff integrity assessed by MRI were compared at the most recent follow-up. The duration of immobilization and hospitalization was significantly shorter in ARCR. The mean postoperative JOA score was 94.9 points in ARCR and 91.3 points in ORCR. Postoperative retear rate was 23.3% in ARCR and 23.8% in ORCR. There was no significant difference in the groups. In this series, ARCR gave good clinical results at minimum 2-year follow-up, which was comparable to that of ORCR.