Stopped: target number of inclusion not reached
The macroporous calcium phosphate cement, MCPC, which composition is close to bone, is malleable and biocompatible, and has intrinsic radio opacity and good ability to undergo mechanical constraints. After the filling of the bone cavity, the cement hardens. Interestingly, this calcium phosphate cement has no exothermic hardening (on the contrary, the ordinary cements used nowadays cause necrotic lesions in tissues around during this phase) and favours vascularisation, cellular colonisation and bone healing. Thanks to its resorbability, the MCPC cement is replaced little by little by a physiologic bone. This last property is very important for young people needing a vertebroplasty after a traumatism. Thus, it will be tested in a low-invasive surgery, a non-percutaneous vertebroplasty, consisting in filling with the MCPC the body of the broken vertebra, after its stabilization thanks to 4 interpedicular screws. This protocol will be proposed to patients 1 to 3 weeks after the trauma having caused the fracture. The follow up will last 12 months with 5 visits (2 days, and 3, 4, 6 and 12 months after vertebroplasty), 2 CT scanners before inclusion and at 12 months, 2 EOS (ultra low dose imager replacing classical radiography) at 5 and 12 months, questionnaires (visual analogic scale for pain, and quality of life with OSWESTRY and SF36 scales) before inclusion and at 2 days, and 3, 4, 6 and 12 months, and biological exams (CRP/VS, for inflammation) at each visit except 2 days after surgery. An osteodensitometry will be performed at 3 months.
Age range
18 Years – 65 Years
Sex
ALL
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The efficiency of non-percutaneous vertebroplasty using MCPC, in 18 to 65 years old patients, after a huge trauma, will be evaluated based on evaluation of the vertebra height by measuring local traumatic angle.
Timeframe: At the 4th month after the surgical procedure