- Transfusions: Institution standards should be followed for blood product support. In lieu of standards, packed RBCes should be given to maintain the hemoglobin >8.5 gm/dl or hematocrit >25%. Platelet should be transfused to keep the platelet count >10-20 x 109/l. Blood should be filtered and irradiated (3000 cGy). CMV seronegative patients should receive CMV-seronegative blood products if available.