上腕二頭筋長頭腱の形態変化および断裂について

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A rotator cuff tear with the long head of the biceps (LHB) changing in form or LHB rupture are experienced frequently. This study investigated the characteristics of the rotator cuff tears with the LHB changing in form and a LHB rupture. 200 consecutive shoulders in 197 patients who underwent rotator cuff repair were studied retrospectively. Out of these shoulders, LHB changing in form was identified in 48 shoulders in 48 patients (31 men and 17 women, the changing in form group) and 14 shoulders in 14 patients (11 men and 3 women, the rupture group). The age of the patients ranged from 33 to 84 (mean 61.4) years old of the changing in form group and from 45 to 75 (mean 61.3) years old of the rupture group. Medical histories and operative findings were compared between the changing in form and the rupture group. Additionally, the preoperative and the postoperative results were evaluated using the JOA score. There was no significant difference between the changing in form and rupture groups in age or gender, duration between time of injury and surgery and the JOA scores of the pre-operation and post-operation. Traumatic presence in the rupture group was significantly more than that in the changing in form group (P<0.05). There was no significant difference between the changing in form and rupture groups in the size of the rotator cuff tear. Cases with a subscapularis tear in the changing in form group were significantly more than those in the rupture group (P<0.05). Many of the rotator cuff tears in the changing in form group had a few to traumatic presences and a large with subscapularis tear. We suggested that these appearances of the disease machine beginnings of the 2 groups were not the same.

上腕二頭筋長頭腱の形態変化および断裂について

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