• Neurosurgery · Jun 2024

    Coagulopathy in Penetrating Ballistic Cranial Trauma: A 7-Year Experience.

    • Ahmad Alhourani, Tyler L Stephenson, Elizabeth M Bridwell, Sarah E Danehower, Konrad W Walek, Jason W Smith, and Emily Sieg.
    • Department of Neurosurgery, University of Louisville, Louisville, Kentucky, USA.
    • Neurosurgery. 2024 Jun 20.

    Background And ObjectivesPenetrating ballistic cranial trauma (PBCT) carries significant mortality when compared with blunt trauma. The development of coagulopathy in PBCT is a strong predictor of mortality. The goal of the study was to describe the incidence and risk factors of coagulopathy in PBCT and to report the value of tranexamic acid administration in PBCT.MethodsWe retrospectively analyzed 270 patients who presented with PBCT to a single, Level 1 trauma center between 2016 and 2023.ResultsA total of 47% (127/270) of patients with PBCT developed coagulopathy at presentation. Fifty-seven patients received tranexamic acid at presentation, which did not affect the development of coagulopathy. Coagulopathic patients were more likely to have more serious injury patterns (bihemispheric [adjusted odds ratio, aOR: 2.6 CI: 1.4-4.9, P = .004] or transventricular trajectories [aOR: 4.9 CI: 1.9-19.6, P = .03]). In addition, they presented with a larger base deficit (aOR: 0.9 CI: 1.002-1.2 per mEq/L, P = .006) which negatively correlated with the international normalized ratio (ρ: -0.46, P < .0001, Spearman correlation). Using thromboelastography helped to identify an additional 20% of patients who presented with normal coagulation on conventional testing.ConclusionCoagulopathy is prevalent in approximately 50% of patients with PBCT and is persistent despite treatment in a substantial subset of patients. The addition of thromboelastography with its increased coagulopathy sensitivity can potentially guide treatment more efficiently than traditional coagulopathy laboratory tests and fibrinogen alone. Patients with a significant base deficit on arterial blood gas are at higher risk for coagulopathy.Copyright © Congress of Neurological Surgeons 2024. All rights reserved.

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