Abstract
Annual transfusion activity between 1980 and 1985 was surveyed in four sets of United States (US) hospitals, which together accounted for 4.8 percent of the red cell (RBC) transfusions in the US in 1980. Total RBC transfusion rates (total RBCs transfused/1000 hospital admissions) increased between 1980 and 1982 but remained nearly constant between 1982 and 1985. Plasma transfusion dynamics followed a similar pattern, whereas the preoperative deposit of autologous blood by patients accelerated rapidly after 1982. These changes appear to reflect responses to the acquired immune deficiency syndrome epidemic. In contrast, total platelet transfusion rates grew by 76 percent during the 6-year period, approaching total RBC rates by 1985. This is the first reported evidence in such a large sample of transfusions that total RBC transfusion rates have moderated.
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