Early Percutaneous Vertebroplasty Versus Standard Conservative Treatment in Thoracolumbar Vertebral Fractures

Inclusion Criteria: * Age ≥ 50 years * Fracture localisation : vertebrae from T8 to L5 * Recent fracture (\< 10 days, maximum 15 days) * CT scan showing a fracture of the superior endplate and of the anterior cortex of the vertebral body of type A1 according to the Magerl classification AND vertebral kyphosis deformation \< 30° * Patient affiliated to the French social security system or an equivalent system * Patient who has signed consent form Exclusion Criteria: * Multiple level fracture * Repeated fracture at the same level * Others peripheral fractures * Contraindication for percutaneous procedure * Contraindication for vertebroplasty procedure (pathology with risk of decompensation, coagulation problems, deformation considered by the surgeon to be inaccessible by vertebroplasty procedure, presence of an infected site) * Contraindication for anasthesia * Methylmethacrylate (MMA) allergy known * Impossibility to plan the start of the treatment (set up of treatment or carrying out of a vertebroplasty gesture) within a maximum deadline of 15 days after the fracture * Body Mass Index (BMI) \> 31,5 * Progressive local infection * Progressive local cancer * Patient presenting cognitive disorder with behavioural disorder which could disturb the treatment * Non-cooperative patient * Patient who can not be followed up at Grenoble hospital during the 3 months of the study * Patient concerned by articles L1121-5, L1121-6, L1121-8 of the French public health code