Some aspects of orthopaedic surgery in childhood.

The aetiological role of immunodeficiency in acute septic arthritis of the hip in infancy, the management of the condition after the acute infection has subsided, and the special hazards of infection in the region of the hip joint in the older child are discussed. The principles of treatment of congenital dislocation of the hip are examined in relation to the maintenance of acetabular growth potential. The factors determining the outcome of treatment in Perthes' disease are discussed and a comparison of the result in a series of cases treated by femoral osteotomy with those in untreated controls is presented.