A Prospective Cohort Study Characterizing Incidence of Dural Venous Sinus Thrombosis in Traumatic Brain Injury Patients with Skull Fractures

Ellen McGuckin, Kwok M. Ho, Stephen Honeybul, Emma Stuckey, Swithin Song

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1 Citation (Scopus)

Abstract

Background: Limited retrospective data suggest that dural venous sinus thrombosis (DVST) in traumatic brain injury (TBI) patients with skull fractures is common and associated with significant morbidity and mortality. Prospective data accurately characterizing the incidence of DVST in patients with high-risk TBI are sparse but are needed to develop evidence-based TBI management guidelines. Methods: After obtaining institutional approval, 36 adult patients with TBI with skull fractures admitted to an Australian level III adult intensive care unit between April 2022 and January 2023 were prospectively recruited and underwent computed tomography venography or magnetic resonance venography within 72 hours of injury. When available, daily maximum intracranial pressure was recorded. Results: Dural venous sinus abnormality was common (36.1%, 95% confidence interval 22.5%–52.4%) and strongly associated with DVST (P = 0.003). The incidence of DVST was 13.9% (95% confidence interval 6.1%–28.7%), which was lower than incidence reported in previous retrospective studies. Of DVSTs confirmed by computed tomography venography, 80% occurred in patients with extensive skull fractures including temporal or parietal bone fractures in conjunction with occipital bone fractures (P = 0.006). However, dural venous sinus abnormality and DVST were not associated with an increase in maximum daily intracranial pressure within the first 7 days after injury. Conclusions: Dural venous sinus abnormality was common in TBI patients with skull fractures requiring intensive care unit admission. DVST was confirmed in more than one third of these patients, especially patients with concomitant temporal or parietal and occipital bone fractures. Computed tomography venography is recommended for this subgroup of TBI patients.

Original languageEnglish
Pages (from-to)e374-e383
Number of pages10
JournalWorld Neurosurgery
Volume184
Early online dateJan 2024
DOIs
Publication statusPublished - Apr 2024

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