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单纯失血休克2h的犬和兔均不并发肺损伤,若在休克前分别造成易伤性则肺损伤恒定发生。作者不将动物预先造成易伤性而只将休克时间从2h延长至5h,结果不仅是肺,而且心、肝、肠、肾均出现超微结构显著变化;同时血中肠源性内毒素含量随休克时间延长而递增,而且不同部位的血液其内毒素含量也不一样,门静脉血最高,动脉血次之,肝静脉血最低,提出失血性体克可因时间延长而并发多器官结构损伤,这可能是肠腔内毒素入侵所致。
Lupus erythematosus 2 h dogs and rabbits are not concurrent lung injury, if the injury caused by the former were fragile lung injury occurred consistently. The author does not pre-injury animals and only shock time from 2h to 5h, the result is not only the lungs, and heart, liver, intestine, kidney ultrastructure showed significant changes; the same time, blood endotoxin content With the extension of shock time and increase, and different parts of the blood endotoxin content is not the same, the highest portal vein blood, arterial blood, hepatic venous blood minimum, suggesting that hemorrhagic body grams may be due to prolonged and complicated by multiple organ damage, This may be caused by toxins in the intestine.