Abstract
Seven adult patients with osteoarthritis due to dysplasia were treated by the medial displacement osteotomy of Chiari.
Age of the patients ranged from 25 to 56 (average 41).
The following results were obtained clinically and radiologically.
1. The releaf of gait pain, the improvement of A. D. L., R. O. M. and limping in 5 cases.
2. The improvement of CE Angle, Acetabullar-Head-Index and the muscle leverage in 7 cases. The widening of joint space in 4 cases. The disappearance of cyste in 1 case.
