In group B,AHH was accomplished through the rabbits receiving Voluven after induction of anesthesia in 30 min,in order that the hematocrit(Hct)would be reduced to 30% or so.

• B组在麻醉诱导完成后30min内输注万汶行高容血液稀释,使Hct下降至30%25左右。