We believe that osteochondritis dissecans of the capitellum can be classified as stable or unstable. Stable lesions that healed completely with elbow rest had all of the following findings at the time of the initial presentation: an open capitellar growth plate, localized flattening or radiolucency of the subchondral bone, and good elbow motion. Unstable lesions, for which surgery provided significantly better results, had one of the following findings: a capitellum with a closed growth plate, fragmentation, or restriction of elbow motion of >or=20 degrees . For large unstable lesions, fragment fixation or reconstruction of the articular surface leads to better results than simple excision.
We treated 12 shoulders in ten patients with irreparable rotator-cuff tears by transfer of the latissimus dorsi. There were nine men and one woman. Their average age was 64.0 years and the average follow-up was 35.6 months (26 to 42).The results were excellent in four shoulders, good in four, fair in one, and poor in three. Active forward flexion improved from a preoperative average of 99°t o a postoperative average of 135°. Osteoarthritic changes appeared in five shoulders and proximal migration of the humeral head progressed in six. EMG revealed that nine of the 12 transferred muscles showed activity which was synergistic with the supraspinatus on external rotation with abduction.We conclude that latissimus dorsi transfer can be effective in restoring shoulder function after massive irreparable tears of the rotator cuff.
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