METHODS: Twenty-four animals were randomized into control, lactated Ringer's solution and HES groups.方法：24只动物随机分为对照组、乳酸林格液组和HES组。
We tested the hypothesis that hydroxyethyl starch (HES) is superior to lactated Ringer's solution in pigs for preserving我们通过试验来探究HES对于猪急性等容性血液稀释过程中保留组织的灌注是否优于乳酸林格液。