The use of a 1:1:1 blood transfusion protocol in patients with severe trauma is feasible in hospitals, although it is associated with higher waste of plasma, according to a randomized trial published in CMAJ (Canadian Medical Association Journal). Previous retrospective studies suggested that a 1:1:1 transfusion strategy or fixed-ratio transfusion could reduce the number of deaths from hemorrhage; therefore, the strategy has been widely adopted in trauma centres around the world and for nontrauma patients...
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