Feasibility Study of Balloon Kyphoplasty in Traumatic Vertebral Fractures Needing Surgical Fixation

Inclusion Criteria: * Preliminary clinical examination (the anaesthesist must have provided his approval for the surgical procedure) * Patient must have signed the consent form * Male or female patient aged 18 or over * One or two traumatic vertebral fractures located between T11 and L5 and type A3.2, A3.3, B1 or C1 in the MAGERL classification, and with a regional kyphotic angle \> 15° and treated by osteosynthesis through a posterior surgical approach with or without spinal decompression * Fracture with or without neurological difficulties * Non tumoral origin: Confirmed by biopsy at the same time of the Balloon Kyphoplasty procedure. Exclusion Criteria: * Non- traumatic, malignant or osteoporotic vertebral fractures * History of surgical or percutaneous spine treatment except simple discectomy at a single or multiple vertebral levels with no residual pain. * Known allergy to a contrast media or to one of the cement components used for kyphoplasty. * More than two recent vertebral fractures * Current infection * Impossibility to perform the percutaneous approach of the vertebra to treat. * Reduction by more than 50% of the anteroposterior width of the bony spinal canal due to the vertebral fracture to treat. * Vertebral fracture with loss of 90%or more of the vertebral body height * Patient presenting a non correctable spontaneous or therapeutic coagulation disorder. * Evolutive cardiac disease nonreactive to medical treatment * Non compliant patient: Impossibility to participate to the study and to be followed up for 1 year. * Pregnant or breast feeding women * Patient not affiliated to social security