• J A Williams-Johnson, A H McDonald, G Gordon Strachan, and E W Williams.
• W Indian Med J. 2010 Dec 1;59(6):612-24.

BackgroundTranexamic acid can reduce bleeding in patients undergoing elective surgery. We assessed the effects of early administration of a short course of tranexamic acid on death, vascular occlusive events, and the receipt of blood transfusion in trauma patients.MethodsThis randomised controlled trial was undertaken in 274 hospitals in 40 countries. 20 211 adult trauma patients with, or at risk of significant bleeding were randomly assigned within 8 h of injury to either tranexamic acid (loading dose 1 g over 10 min then infusion of 1 g over 8 h) or matching placebo. Randomisation was balanced by centre, with an allocation sequence based on a block size of eight, generated with a computer random number generator Both participants and study staff (site investigators and trial coordinating centre staff) were masked to treatment allocation. The primary outcome was death in hospital within 4 weeks of injury, and was described with the following categories: bleeding, vascular occlusion (myocardial infarction, stroke and pulmonary embolism), multiorgan failure, head injury, and other AL analyses were by intention to treat. This study is registered as ISRCTN86750102, Clinicaltrials.gov NCT00375258, and South African Clinical Trial Register DOH-27-0607-1919.Results10096 patients were allocated to tranexamic acid and 10 115 to placebo, of whom 10060 and 10067, respectively, were analysed. All-cause mortality was significantly reduced with tranexamic acid (1463 [14.5%] tranexamic acid group vs 1613 [160%] placebo group; relative risk 0.91, 95% CI 085-097; p = 00035). The risk of death due to bleeding was significantly reduced (489 [49%] vs 574 [5-7%]; relative risk 0-85, 95% CI 0.76-0.96; p = 0-0077).ConclusionTranexamic acid safely reduced the risk of death in bleeding trauma patients in this study On the basis of these results, tranexamic acid should be considered for use in bleeding trauma patients.

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