Twtnty - one cases of open heart surgery with CPB were dynamically monitored continuousely. and compared with concurrently measured ACT. Fg. The results show that the ACT and CBT before and after CPB were positively correlated (r = 0.813 and 0.723 respectively)

and MCE% level was correlated with Fg concentration. At the first day after operation

the CFD peak MCT were shortened. At the seventh day after operation

all the parameters restored to the preoperation level except the MCE % . These results revealed that CFD monitor during GPB can intuitively reflect the case of coagulation - fibrinolysis during diffferent phases of pre - and after - operation

and may have definite application value for anticoagulation treatment and after - operation monitor.