Risk factors for the development of avascular necrosis after femoral neck fractures in children: a review of 239 cases.

Aims: The aim of this study was to clarify the factors that predict the development of avascular necrosis (AVN) of the femoral head in children with a fracture of the femoral neck.

Patients And Methods: We retrospectively reviewed 239 children with a mean age of 10.0 years (sd 3.