OBJECTIVE:To draw a comparison between 6% Hetastarch(H)and Succinylated Gelatin(G)in fluid expansion and their effects on blood coagulation activity.METHODS:A total of 60 surgery patients who needed volume expansion with colloid fluid were randomized to H group and G group.According to the design,the same dose of H and G were infused into the patients.Before and after infusion,the vital signs were monitored and the venous blood samples were taken for the determination of indexes of coagulation,fibrinolysis ...