SummaryThe authors have studied patients with traumatic and non-traumatic spinal cord injury (SCI) occurring in Spain during 1984 and 1985. They calculate the incidence, and consider the distribution by age, sex, civil state, and the aetiology, lesional level, mortality, job, labour incapacity, dependence independence, social labour reinstatement, transportation from the place of the accident, medical assistance, type of lesion, urinary vesical dysfunction, also re-education, hospital stay, and complications.In addition, they defined the main risk group for SCI (in respect of age, sex, occupation, etc) in order to address the preventive campaigns to the high risk group. They conclude with the prototype of acute SCI in Spain.

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We evaluated treatment by posterior approach and its results for unilateral and bilateral facet dislocation of the lower cervical spine. Fracture reduction and ultimate stabilization of low cervical fractures located between C3 and C7 depend on the mechanism of the lesion and the resulting affectation of the osteoligamentary structures. The varied surgical approaches to fractures with unilateral or bilateral luxation include anterior, posterior, and combined. No surgery is performed if a conservative approach is used. Of the 71 low cervical fractures treated in our service in 10 years, 42 were facetary luxations (unilateral in 24 patients and bilateral in 18). Radiological studies included X-ray, CT and, in some cases, MRI. Once cervical fracture was diagnosed, halo traction was initiated and the decision to operate (34 cases) or continue conservative treatment (eight cases) was made a week after admittance. Surgery consisted of the posterior approach (27 bilateral clamps with bone graft, 5 wires with bone graft, and two posterior plates). Average patient follow-up was 7 (range 2-12) years. The patients' neurological status improved in 30 cases (71.42%) and was unchanged in 12 (28.57%). Three of eight patients initially treated conservatively developed radicular pain and instability and underwent surgery. Clamps were placed via a posterior approach in one case and the other two cases required a combined posterior and anterior approach. No instrumentation has required removal, although one patient developed a wall abscess. We found a posterior approach provides good stability for placing an arthrodesis in patients with a unilateral or bilateral cervical dislocation. In most of our cases we used clamps, and there was no worsening of any patient's neurological condition.