Retransfusion or Not of Cardiotomy Blood

Blood Loss With Cardiopulmonary Bypass, Re-transfusion or Not.

This randomised controlled trial has a non-inferiority design. The aim is to test if the blood loss (volume in mL and hemoglobin) is effected by heart and lung cardiotomy retransfusion, or not? Forty CABG (Coronary Artery By pass Grafting) patients will be allocated to either receive retransfusion (n=20) of cardiotomy blood via the heart and lung mashine, or no retransfusion (n=20).

Inclusion Criteria:

• Elective CABG.

Exclusion Criteria:

• Anaemia, infection, massive bleeding, CABG off pump.