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  • Title: Asymptomatic vertebral artery injury after acute cervical spine trauma.
    Author: Rodriguez M, Tyberghien A, Matgé G.
    Journal: Acta Neurochir (Wien); 2001 Sep; 143(9):939-45. PubMed ID: 11685627.
    Abstract:
    Two recent cases of vertebral artery injury from cervical fracture-dislocation prompted us to review the literature of these wrongly thought uncommon lesions. Extracranial vertebral artery injury during cervical trauma needs to be suspected not only in the case of vertebrobasilar ischemia, but also in asymptomatic patients presenting serious flexion-distraction deformities. Fracture of a transverse foramen or facet joint dislocation should alert the clinician. Magnetic resonance evaluates blood flow and vessel injury, usually unilateral, localized to the traumatized unstable vertebral segment. A four-stage classification is useful to understand and treat vertebral artery injury, also a standardized therapeutic protocol is not documented. Anterior cervical fusion seems indicated to decompress the injured vessel, and to avoid further damage to both vertebral arteries. Unstable spine conditions may also promote clot mobilization at the traumatized vessel leading to vertebrobasilar embolization. The benefit of antithrombotic therapy in reducing neurological morbidity and improving outcome is not yet established and needs long-term follow-up.
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