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• W4386851775 abstract "Prior studies have demonstrated a close association between cervical spine fractures and blunt cerebrovascular injuries (BCVI). Undiagnosed BCVI is a feared complication because of the potentially catastrophic outcomes in a missed posterior circulation stroke. Computed tomography angiography (CTA) is commonly used to screen BCVI in the trauma setting. However, determining which cervical fracture patterns mandate screening is still not clearly known.The aim of this retrospective review is to further elucidate which fracture patterns are associated with BCVI when using CTA and may mandate screening.Retrospective cohort study PATIENT SAMPLE: All patients that presented to our trauma and emergency departments with a blunt cervical spine fracture from January 2018 to December 2021. Inclusion criteria included blunt cervical trauma and the use of CTA for BCVI screening. Exclusion criteria included patients under the age of 18, penetrating cervical trauma, and use any imaging modality besides CTA for BCVI screening.Patient demographics (age, gender, Glasgow coma scale, hospital length of stay (LOS), intensive care unit LOS, mechanism of energy of injury, polytrauma status), fracture location, fracture pattern (anterior arch, dens, dislocations/subluxations, facet, hangman, Jefferson, lamina, lateral mass, occipital condyle dissociation, occipital condyle, pedicle, posterior arch, spinous process, transverse process, transverse foramen, and vertebral body), and whether the patient sustained a BCVI or CVA.If a patient had multiple fracture levels or fracture patterns, each level and pattern was counted as a separate BCVI. Multilevel fractures were defined as any patient with fractures at two distinct cervical levels. Differences between the patients who had a BCVI and those who did not were analyzed using independent sample t-tests for continuous variables and the chi-square or Fisher exact test for categorical variables. Odds ratios and 95% confidence intervals were calculated to assess likelihood between patient characteristics/fracture characteristics and BCVI.A total of 690 patients were identified as having a blunt cervical spine injury. A total of 453 patients (66%) underwent screening for BCVI with CTA. Among patients who underwent CTA, BCVI was diagnosed in 138 patients (30%), VAI in 119 patients (26%), CAI in 30 patients (7%), and 11 patients were diagnosed with both a VAI and CAI (2%). Overall, among all patients there were 9 strokes, all in patients identified with a BCVI (1%). No individual cervical level was associated with increased risk of BCVI, but when combined, OC-C3 fractures were associated with an increased risk (OR: 1.4, 95% CI: 1.0-1.9, p-value: .006). Multilevel fractures were also associated with an increased risk (OR: 1.7, 95% CI: 1.1-2.3, p-value: .01). The only fracture pattern associated with increased risk of BCVI were fractures associated with a dislocation/subluxation (OR: 3.8, 95% CI: 1.9-7.8, p-value = .0001) CONCLUSIONS: The only fracture pattern associated with an increased risk of BCVI were fractures associated with dislocation/subluxation. The only fracture levels associated with BCVI were combined OC-C3 and multilevel fractures. We recommend that any upper cervical fracture (OC-C3), multilevel fracture, or fracture with dislocation/subluxation undergo screening for BCVI." @default.
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• W4386851775 date "2023-09-01" @default.
• W4386851775 modified "2023-10-17" @default.
• W4386851775 title "Association Between Cervical Fracture Patterns and Blunt Cerebrovascular Injury When Screened with Computed Tomographic Angiography" @default.
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• W4386851775 doi "https://doi.org/10.1016/j.spinee.2023.09.010" @default.
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