Abstract
We performed rotational acetabular ostetomy (RAO) on 14 patients. All subjects were women, their ages at surgery ranged from 25 to 52 years, and the follow-up period averaged 4 years. We compared the CE angle and AC angle before and after surgery.All patients showed improvement of both the CE angle and AC angle. The mean CE angle improved from 4.4 degrees to 24.6 degrees (p<0.01), and the mean AC angle from 23.8 degrees to 8.3 degrees (p<0.01). The range of motion (flexion and abduction) did not decrease alter surgery. 1 patient showed progression of the degenerative change by the necrosis of the rotated bone.The clinical results for RAO were not significant compared to early stage OA (11 hips) and advanced OA (4 hips).
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