ArticleClinical and experimental emergency medicine2026
Skull fractures may be associated with hyperfibrinolysis in patients with isolated traumatic brain injury.
Article in Clinical and experimental emergency medicine, 2026. 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
objectiveTo identify relationships between skull fracture (SF) and hyperfibrinolysis (HF) among patients with isolated traumatic brain injury (TBI).
methodsThis was a retrospective cohort study based on a nationwide neurotrauma database in Japan. Adult patients with isolated TBI (head Abbreviated Injury Scale [AIS] >2, any other AIS <3) and who were registered in the multicenter neurotrauma registry from 2015 to 2017 were included. To examine the relationship between SF and HF, we conducted multivariable logistic regression analyses to calculate the adjusted odds ratios (aORs) with their 95% confidence intervals (CIs) for HF. HF was defined as a D-dimer level ≥38 mg/L on arrival based on a previous study.
resultsA total of 335 patients were enrolled and the median age of the cohort was 64 years (interquartile range, 44-76 years). HF was observed in 161 patients (48.1%). The association of SF with HF yielded an aOR of 4.78 (95% CI, 2.71-8.42) compared to non-SF in multivariable logistic regression analysis. In addition, the associations of skull base fracture, skull vault fracture, and combination of skull base and vault fracture with HF yielded the corresponding aORs of 3.60 (95% CI, 1.20-10.81), 4.99 (95% CI, 2.63-9.44), and 4.84 (95% CI, 2.41-9.72), respectively, relative to non-SF.
conclusionThis multicenter observational study demonstrated the association of SF with HF in patients with isolated TBI.
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