[Results of combined surgical operations in the management of congenital hip dislocation].

The results of 51 different combined operations for the treatment of CDH after the age of two years performed between 1980 and 1989 are presented. The age of the patients at the time of the operation ranged from 2 to 12 (mean 4.5 years. Follow-up was 2-12 (meean 6) years. Preoperatively 19 hips were untreated. Primary surgery included reduction alone in 6 cases, together with femoral osteotomy in 28 cases, reduction combined with Pemberton's operation in 1, and reduction supplemented by both correction techniques in 16 cases. Secondary acetabular correction was later necessary only in 14 cases (27%), thus in 63% of all cases. Radiologycally, the results were of Severin's grade I and II in 64% of the whole series, but in 88% in the 2-3-years-old group. The results in the different surgical groups correlated primarily with the incidence of avascular necrosis and not with the extent of surgery.