兔病理性氧供依赖性模型的血液流变学变化

来源 :中国病理生理杂志 | 被引量 : 0次 | 上传用户:lcb225
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以小剂量大肠杆菌内毒素分次注射复制了家兔病理性氧供依赖性(POSD)模型,观察了氧供(DO-2)、氧耗量(VO-2)及血液流变学的变化特点。结果显示,在DO-2-VO-2的关系中,对照组依赖段的斜率与内毒素组斜率相差显著(P<0.05),POSD时血浆粘度、纤维蛋白原浓度、红细胞聚集指数、血沉等增加。循环系统状态基本稳定,肝、肾功能及肺湿/干重比结果尚无显著变化,而血液流变性质已发生改变,故可认为在POSD现象时,其血液流变学改变早于机体出现的其它机能变化,是其早期改变之一。 The pathological oxygen dependence (POSD) model of rabbits was replicated in small doses by E. coli endotoxin injection. The changes of oxygen supply (DO-2), oxygen consumption (VO-2) and hemorheology were observed Features. The results showed that in the DO-2-VO-2 relationship, the slope of the dependent segment of the control group was significantly different from that of the endotoxin group (P <0.05). The plasma viscosity, fibrinogen concentration, erythrocyte aggregation index, ESR, etc. increased. Circulatory system is basically stable, liver, kidney function and lung wet / dry weight ratio results no significant change, and the blood rheological properties have changed, it can be considered in the POSD phenomenon, the hemorheological changes earlier than the body appears Other changes in function are one of its early changes.
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