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In 51 patients (27-67 years) with subacromial impingement syndrome, an acromioplasty according to Neer was performed. In 11 patients, acromioclavicular arthrosis was found, and in these patients the lateral end of the clavicle was resected as well. The patients have been followed for an average of 21 (6-42) months. The result was excellent or good in 33 patients. In seven patients there was no improvement.
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Thorling et al. (1985) studied this question.
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