Objective To evaluate the effect of 6% hydroxyethyl starch (HES) 200/0.5 on the pulmonary capillary permeability in oleic acid induced acute lung injury (ALI) and investigate the possible mechanism of the therapeutic effect of HES.

• 目的 观察6%25中分子羟乙基淀粉(贺斯200/0.；5)对油酸型肺损伤大鼠肺毛细血管通透性的影响；探讨贺斯对毛细血管渗漏综合征的治疗作用。