ArticleJournal of craniovertebral junction & spine
Clinical characteristics and outcomes of patients with concomitant cervical spine trauma and vertebral artery injury: A literature review and retrospective analysis.
Article in Journal of craniovertebral junction & spine. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Study Design: Retrospective review of a single institution cohort. Objective: To assess the injury characteristics and outcomes in patients who suffered trauma to the cervical spine and vertebral artery injury (VAI). Methods: This was a retrospective study of patients admitted to our trauma center with osseous or ligamentous cervical spine injury and VAI. Imaging findings were reviewed to classify the fracture types and fracture extension into transverse foramina was noted. Electronic medical records were reviewed to capture the mechanism of injury, discharge disposition, neurologic status, and mortality. Kaplan-Meier analysis was performed to determine the mean survival time and cumulative survival rate. Results: Ultimately, 30 patients were included for the analysis. The mean age was 56 years old (range: 18-91 years). There were four major subgroups of cervical injuries: unilateral facet fractures (9 patients, 30%), occipital-cervical junction fractures (15 patients, 50%), translation or distraction injuries (3 patients, 10%), and injuries without extension into transverse foramina (20 patients, 67%). Left-sided VAIs were more common than right-sided (60% vs. 37%). Twelve patients (40%) initially presented with neurological symptoms. Nine patients (30%) died by final follow-up; the mean survival time for the cohort was 704.5 days (95% confidence interval: 440.1-968.9 days). Conclusion: The laterality of facet fractures and fractures extending into the transverse foramina are associated with VAI sidedness. Various mechanisms may account for injury presentation, including rotation and hyperflexion. Given that patients may initially present without neurologic deficits, it is recommended that cervical trauma protocols integrate computed tomography angiography to reduce morbidity and mortality.
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