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  1. Proximal femur fractures after free vascularized fibular grafting to the hip.

    Article - En anglais

    The management of symptomatic femoral head osteonecrosis in young, active patients is troublesome and controversial.

    At the authors'institution, 707 consecutive free vascularized fibular grafts were performed for femoral head osteonecrosis between October 1979 and October 1995.

    Patients who underwent this procedure were at increased risk for proximal femur fractures because of the 16 to 21 mm core drilled through the lateral femoral cortex for removal of the avascular bone and placement of the fibular graft.

    An ongoing prospective database of patients who underwent this procedure was accessed to determine the incidence of and factors associated with postoperative subtrochanteric femur fractures.

    Eighteen subtrochanteric fractures occurred for an overall incidence of 2.5%. All fractures occurred through the core decompression site in the lateral femoral cortex.

    The treatment was nonoperative in seven patients and operative in 11.

    Fourteen of 18 fractures (77%) healed with an average of 4.1 months until radiographically documented union.

    Four fractures had nonunions develop, three of which later healed with bone grafting and internal fixation, whereas the fourth eventually required conversion to total hip arthroplasty.

    Twelve fractures in 251 patients occurred when the weightbearing regimen was touchdown weightbearing for the first 6 weeks and five fractures in 456 patients occurred when the weightbearing regimen was changed to nonweightbearing. (...)

    Mots-clés Pascal : Ostéonécrose aseptique, Tête fémorale, Traitement, Greffe, Péroné, Complication, Fracture, Fémur, Extrémité supérieure, Epidémiologie, Incidence, Facteur risque, Homme, Hanche, Membre inférieur, Système ostéoarticulaire pathologie, Ostéopathie, Chirurgie orthopédique, Traumatisme

    Mots-clés Pascal anglais : Aseptic osteonecrosis, Femoral head, Treatment, Graft, Fibula, Complication, Fracture, Femur, Upper extremity, Epidemiology, Incidence, Risk factor, Human, Hip, Lower limb, Diseases of the osteoarticular system, Bone disease, Orthopedic surgery, Trauma

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 99-0080954

    Code Inist : 002B25I. Création : 31/05/1999.