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急性高容量血液稀释对阿曲库铵量效关系及作用时间的影响

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摘要 目的探讨急性高容量血液稀释(AHH)对阿曲库铵的量效关系和作用时间的影响。方法选取预计术中出血量〉500ml的择期骨科手术患者40例,按照随机数字表法分为AHH组和对照组,每组各20例。两组均常规补充乳酸林格液8~10ml](kg·h),AHH组在常规补液的基础上,用6%羟乙基淀粉130/0.4(15ml/kg)行血液稀释。均用普鲁泊福、芬太尼行麻醉诱导,插入气管导管后机械通气,用加速度肌松监测仪监测肌松,用累计剂量技术测量两组患者阿曲库铵的量效关系。结果AHH组阿曲库铵的50%有效剂量、90%有效剂量和95%有效剂量[(86.3±23.8)、(161.5±35_3)、(200.3±93.4)μg/kg]较对照组[(111.5±21.7)、(230.7±31.4)、(298.8±85.7)μg/kg]明显降低,差异均有统计学意义(P〈0.05)。AHH组肌松作用时间和最后一次加药到rrl恢复到80%的时间[(39.9±8.4)、(66.7±14.2)min]较对照组[(31.1±6,6)、(52.1±15.8)min]明显延长,差异均有统计学意义(P〈0.05),而恢复指数两组比较差异无统计学意义(P〉0.05)。结论行AHH的患者对阿曲库铵的敏感度增加,在相同的剂量时,作用时间延长,因此在临床麻醉中必须合理调整用药剂量。
出处 《中国医师进修杂志》 2010年第6期36-38,共3页 Chinese Journal of Postgraduates of Medicine
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参考文献6

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