| 
      CPB=Cardiopulmonary bypass, CC=Cross clamping, ACT= Activated clotting time
    Values are expressed %, mean(SD)
        | Item | Number of patients ( total 43 ) |  
        | Tranexamic acid | all patients (100%) |  
        | Heparin dose (mg) | 259.23 ± 138.96 |  
        | Post heparin ACT(seconds) | 626.14 ± 131.70 |  
        | Protamine dose (mg) | 267.79 ± 140.30 |  
        | Post protamine ACT(seconds) | 137.79 ± 16.17 |  
        | CPB time(minutes) | 109.39 ± 29.42 |  
        | CC time(minutes) | 88.55 ± 24.65 |  
        | Temperature(°C) | 29.48 ± 2.89 |  |