[Femoral head necrosis in hip dislocation and its prognosis (a literature review)].

In this article are discussed the classifications of avascular necrosis following treatment of congenital dislocation of the hip. The reported incidences of avascular necrosis according to the method of treatment are reviewed. The long-term follow-up and end results of conservative treatment of congenital dislocation of the hip with and without avascular necrosis have been analysed.