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A blunt look at stroke risk in BCVI: Do multiple injuries increase the risk of stroke?
Victoria Wagner1, Joshua D Preston1, Alejandro De Leon Castro2
1Emory University School of Medicine, 100 Woodruff Circle, Atlanta, GA, USA, 30322.
Introduction:
Minimal literature correlates stroke rates in blunt cerebrovascular injury (BCVI) to bilaterality, multi-vessel injury, or multifocal injury. We hypothesized that a synchronous cerebrovascular injury and a higher-grade injury would increase stroke rates.
Methods:
A single-center retrospective (1/2016-12/2023) review was conducted identifying patients with BCVI. Injury characteristics, clinical features, and demographic data were collected and statistically modeled in relation to stroke risk.
Results:
Stroke rate in our cohort was 3.7 %. Higher-grade injuries increased the odds of stroke in carotid and vertebral BCVIs. The odds of stroke also increased with combined carotid and vertebral BCVIs versus isolated vertebral injury (OR 3.9 [1.4-10.2]), but not with bilateral carotid (OR 1.5 [0.5-3.9]) or vertebral injuries (OR 1.0 [0.3-2.8]).
Conclusion:
Our findings support previous data on the relationship between BCVI grade and stroke risk; however, combined vertebral and carotid injuries may also increase the risk.
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