Fig. 4

Changes in the HCT of rats in each group. T0, 5 min before CPB; T1, at the beginning of CPB; T2, at cardiac arrest; T3, at the end of cardiac arrest; T4, after 5 min of reperfusion; T5, at the end of reperfusion. ^aP < 0.05 versus T0. HCT haematocrit, CPB cardiopulmonary bypass