Hip Reconstruction in Cerebral Palsy With Pelvic Osteotomy

Prospective study enrolling patients with cerebral palsy and with subluxation of the hips \> 40% and acetabular dysplasia. The patients will be stratified according the degree of subluxation and age. The treatment protocol is composed by femur variation osteotomy and periacetabular osteotomy. Patients will be divided in two groups according the type of bone graft used at periacetabular osteotomy (autologous or ceramic).