“…42 Therefore, the definition of massive bleeding which we use, and which was described in the 1990s as the need for over 10 red cell concentrate units in under 24 h, does not precisely reflect the way in which transfusions currently should be carried out in severe trauma patients. 35,41,43 The recently published results of the PROMMPT study, which included 1245 patients in 10 trauma centers, indicate a decrease in mortality when the ratios of FFP and platelets versus RC approach 1:1. 26 These data are consistent with those of previous studies which found FFP:RC ratios of under 1:2 to be associated with decreased mortality after trauma.…”