[Development in the treatment of congenital dislocation of hip (author's transl)].

Authors review the development in the treatment of congenital dislocation and dysplasy of hip and demonstrate the results with various methods. Results with treatment according to Lorenz (1040 cases) were unsatisfactory because of frequent occurance (66.3 percent) of osteochondritis. The treatment with Frejka cushion (360 cases) did not improve basically the results. Pavlik's strapping, especially when started under 1 month of age gave excellent results (3156 cases). In operative treated the results of 332 Colonna operations were unsatisfactory because of consecutive deformation of the hip and restriction of movements. Open reduction with varisation derotation osteotomy (474 cases) provided good acetabular development especially in cases where articular cartilage and upper limbus could be saved. Salter's operation is successful when proper indications are considered, but should be performed only after 1--2 years of observation of the acetabular development in non improving cases. The Chiari procedure can improve the weight bearing surfaces in cases of steep acetabular roof flat acetabulum and consecutive subluxation. In 557 cases of varisation derotation osteotomy subcapital coxa valga occured frequently. Basic principle of treatment remains prevention, early recognition and treatment after birth.