Tranexamic acid is not inferior to placebo with respect to adverse events in suspected traumatic brain injury patients not in shock with a normal head computed tomography scan: A retrospective study of a randomized trial

alexandrossfakianakis shared this article with you from Inoreader Tranexamic acid is not inferior to placebo with respect to adverse events in suspected traumatic brain injury patients not in shock with a normal head computed tomography scan: A retrospective study of a randomized trial via Journal of Trauma and Acute Care Surgery - Current Issue BACKGROUND A 2-g bolus of tranexamic acid (TXA) has been shown to reduce 28-day mortality in a randomized controlled trial. This study investigates whether out-of-hospital TXA use is associated with adverse events or unfavorable outcomes in suspected traumatic brain injury (TBI) when intracranial hemorrhage (ICH) is absent on initial computed tomography. METHODS This study used data from a 2015 to 2017, multicenter, randomized trial studying the effect of the following TXA doses on moderate to severe TBI: 2-g bolus, 1-g bolus plus 1-g infusion over 8 hours, and a placebo bolus with placebo infusion. Of the 966 participants enrolled, 395 with an initial computed tomography negative for ICH were included in this analysis. Fifteen adverse events (28-day incidence) were studied: myocardial infarction, deep vein thrombosis, seizure, pulmonary embolism, acute respiratory distress syndrome, cardiac failure, liver failure, renal failure, cerebrovascular accident, cardiac arrest, cerebral vasospasm, "any thromboembolism," hypernatremia, acute kidney injury, and infection. Other unfavorable outcomes analyzed include mortality at 28 days and 6 months, Glasgow Outcome Scale—Extended score of ≤4 at discharge and 6 months, intensive care unit–free days, ventilator-free days, hospital-free days, and combined unfavorable outcomes. In both study dr ug groups, the incidence of dichotomous outcomes and quantity of ordinal outcomes were compared with placebo. RESULTS No statistically significant increase in adverse events or unfavorable outcomes was found between either TXA dosing regimen and placebo. Demographics and injury scores were not statistically different other than two methods of injury, which were overrepresented in the 1-g TXA bolus plus 1-g TXA infusion. CONCLUSION Administration of either a 2-g TXA bolus or a 1-g TXA bolus plus 1-g TXA 8-hour infusion in suspected TBIs without ICH is not associated with increased adverse events or unfavorable outcomes. Because the out-of-hospital 2-g bolus is associated with a mortality benefit, it should be administered in suspected TBI. LEVEL OF EVIDENCE Therapeutic/Care Management; Level II. View on Web

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