The results showed that SI,TPR,VPE,HOI and CPP were improved when MAP was reduced to ninty percent of basic value. But the peripheral resistence and myocardial oxygen consumption were high still.

• 结果发现，当MAP降至基础值的90%25时，SI、TPR、VPE、HOI、CPP有所改善，但外周阻力仍高，心肌耗氧量仍大。