Figure 2: The changes of RBC level. In the days (arrow) the patients were infusion. 2011-3-18: Two units of erythrocyte suspension were infused .2011- 3-23: Washed erythrocyte suspension 2U was infused. 2011-3-27: Fresh frozen plasma 200ml and washed erythrocyte suspension 2U were infused, 2011-3-28: Fresh frozen plasma 200ml was infused. RBC (4-5.5×10-12/L): red blood cell, MCV (120-160g/L): mean cell volume, MCH (80-100fl): mean corpuscular hemoglobin, MCHC (320-360g/L): mean corpuscular hemoglobin concentration, HCT(40-50%): haematocrit, RET (0.4-1.9×-12/L): reticulocyte.