高渗氯化钠羟乙基淀粉40注射液高容量血液稀释对大鼠肝脏缺血再灌注损伤的影响 |
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引用本文: | 杨泽勇,吕浩,杨立群,俞卫锋,孙玉明. 高渗氯化钠羟乙基淀粉40注射液高容量血液稀释对大鼠肝脏缺血再灌注损伤的影响[J]. 中华麻醉学杂志, 2000, 29(1): 513-515. DOI: 10.3760/cma.j.issn.0254-1416.2009.06.008 |
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作者姓名: | 杨泽勇 吕浩 杨立群 俞卫锋 孙玉明 |
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作者单位: | 第二军医大学东方肝胆外科医院麻醉科,上海市,200438; |
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摘 要: | Objective To investigate the effects of hypervolemic hemodilution (HH) with hypertonic saline plus hetastarch solution 40 injectio on hepatic ischemia-reperfusion (I/R) injury in rats. Methods Thirty male Wistar rats weighing 300-350 g were randomly divided into 3 groups ( n = 10 each): group I sham operation (group S); group II I/R and group Ⅲ HH. Partial liver ischemia was produced by clamping hepatic portal vein and left arteria hepatica for 30 min with atraumatic mini-clamp, followed by 2 h of reperfusion in I/R group and HH group. In HH group the animals were infused hypertonic saline plus hetastarch solution 40 injectio 10 ml/kg through vena caudalis over 30 min and then hepatic I/R was performed IS min after the infusion.The animals were killed at 2 h of reperfusion. The left liver was removed and blood sample was taken from inferior caval vein for determination of (1) serum alanine amino transferase (ALT) and aspartate amino transferase (AST) activities; (2) superoxide dismutase ( SOD) activity and malondialdehyde ( MDA) content in the liver; ( 3 ) microscopic examination. Results The serum ALT and AST activities and MDA content in the liver were significantly higher, SOD activity in the liver significantly lower after hepatic I/R and pathological changes in the liver severer in group I/R and HH than in group S. The serum ALT and AST activities and MDA content in the liver were significantly lower, SOD activity in the liver significantly higher after hepatic I/R and pathological changes in the liver milder in group HH than in group I/R. Conclusion Hypervolemic hemodilution with hypertonic saline plus hetastarch solution 40 injectio can ameliorate hepatic I/R injury by decreasing oxygen free radical production in rats.
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关 键 词: | 盐水,高渗 羟乙基淀粉 血液稀释 再灌注损伤 肝 |
Effects of hypervolemic hemodilution with hypertonic saline plus hetastarch solution 40 injectio on hepatic ischemia- reperfusion injury in rats |
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Abstract: | |
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Keywords: | Saline solution hypertonicHetastarchHemodilutionReperfusion injuryliver |
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