[Development and formation of the hip joint in children with surgically treated congenital hip dislocation].

The aim of this paper was to evaluate the development of different elements of the hip joint after surgical treatment, depending on age, anatomic conditions and degree of dysplasia at the time treatment was implemented. 100 hip joints were evaluated in 76 children treated because of congenital hip dislocation with the Dega or Chiari method in the years 1988-1993, according indication proposed during the XXVI Conference of the Polish Orthopedic Society. Age of patients at the time of surgery ranged from 2.5 to 7.5 years. There were 62 girls and 14 boys. The Dega method was implemented in 85 joints and the Salter method in 12 joints. Follow-up period ranged from 5 to 10 years. The best results were obtained in children who underwent surgery before 4 years of age.