Effect of infusion great dosage HAES-Steril during operation on the blood coagulation function of alimentary tract tumor patients

Objective To observe the effect of infusion great dosage HAES-Steril for a long time on the blood coageulation function in the alimentary tract tumor patients. Methods Selected thirty alimentary tract tumor patients of ASA I-II before operation, collected their venous blood to make contrast after entered the operating-room .During the operation, when the blood loss volume reached 20%～30% of the total blood volume, adopted 6% HAES-Steril to expand the blood volume, when the blood loss beyonded 30%, ...