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琥珀酰明胶急性等容血液稀释对关节置换患者血液学影响

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摘要 目的:观察佳乐施(琥珀酰明胶)用于改良后的急性等容量血液稀释(ANH)对关节置换术患者血流动力学、组织氧合、凝血功能和血流变学的影响.方法:选择30例关节置换术患者,ASA Ⅰ~Ⅱ级,随机分成佳乐施组(S组)和乳酸钠林格液组(LR组),每组10例.S组蛛网膜下隙麻醉前快速输入佳乐施10 mL/kg后开始手术,于术中、手术结束后再次给予佳乐施10 mL/kg.LR组则快速输入乳酸钠林格液10 mL/kg.监测血液稀释前(T1),稀释后即刻(T2)及开始后30 min(Ts),手术结束后1 h(T4),手术结束后6 h(Ts)动、静脉血中血流变指标,凝血功能指标(PT,APTT)并进行血气分析.结果:两组患者麻醉开始后1 h和手术结束后6 h内全血黏度、血细胞比容、红细胞聚集指数及纤维蛋白原均有不同程度下降,S组下降幅度明显大于LR组(P<0.05).S组APTT在ANH后显著延长,明显长于其他时点值和LR组值(P<0.05).LR组APTT和两组PT在实验中各时间点均无明显变化(P>0.05).两组动脉pH值、动脉氧分压(PaO2)、动脉氧饱和度(SaO2)等均无显著变化.结论:使用佳乐施后血液黏滞度下降,血流速加快,代偿了Hb浓度下降对机体的携氧能力,保证了组织氧供.
作者 雷亚娟 马平
出处 《临床医药实践》 2007年第10期981-984,共4页 Proceeding of Clinical Medicine
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