鏡視下腱板修復術後の肩甲骨脊椎間距離の変化
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概要
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We reported the differences of scapula-spine distance (SSD) between the affected and un-affected side were increased in the large size of RCT. The purpose of this study is to measure the SSD before and after operation and to investigate whether to improve the displacement of scapula. We examined 84 cases that had ARCR and had postoperative follow of six months. We measured SSD of both sides at the upper distances between the medial border of the spine of the scapula and the spinous process of the same height and at the lower distances between the inferior angle of scapula and that. We measured the tear size by arthroscopy. The small group (under 1cm) had 12cases. The medium group (1-3cm) had 40cases. The large group (over 3cm) had 32cases. The evaluation of MRI at six months postoperative used Sugaya classification. The re-tear group belonging to Type IV and V had 7cases (8.3%). The difference of SSD before and after operation. Small group: the upper +2.1mm, +0.5mm and the lower +3.2mm, +1.9mm. Medium group: the upper +4.2mm, +1.3mm and the lower +3.0mm, +1.2mm. Large group: the upper +7.5mm, +1.7mm and the lower +9.4mm, +3.2mm. Re-tear group: the upper +10.7mm, +3.4mm and the lower +8.9mm, +7.1mm. The differences of SSD at six months postoperative in all groups were decreased in comparison with pre-operation. However in the re-tear group it did not show enough to improve. When the function of the rotator cuff muscles were recovered, the anterior displacement of humeral head got better and the scapula returned to the normal position. It was thought that the improvement of the differences of SSD reflected the effect of ARCR.
- 2010-08-04
著者
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