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肝移植不同阶段顺苯磺酸阿曲库铵的药效学比较

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摘要 目的在非静脉-静脉转流(NON-VVB)同种异体原位肝移植术中,比较无肝前期、无肝期和新肝期3个阶段肌肉松驰药顺苯磺酸阿曲库铵(Cis)单剂量给药的起效和恢复情况;探讨肝移植术中可能影响Cis药效学的因素。方法选择拟行NON-VVB同种异体原位肝移植、Child-Paugh肝脏功能分级C级的患者20例。诱导给予Cis 0.1mg/kg〔2倍95%有效剂量(ED95)〕,肌颤搐高度(T值)恢复至对照值的75%时,泵入Cis 1.5~2.0μg/(kg.min),使T值稳定在25%,此时注入Cis 0.1mg/kg,T值再次恢复到75%时泵入Cis维持T值为25%至下个阶段;同样,无肝期和新肝期在0.1mg/kg单剂量给药后持续泵注。采用TOF-Watch SX加速度肌松监测仪监测肝移植3个阶段单剂量给药的最大阻滞程度、起效时间、T值恢复到25%和75%的时间、恢复指数。结果无肝期25%的恢复时间比无肝前期延长〔(68.3±11.9)min vs.(48.1±7.5)min,P<0.05〕;肝移植术中3个阶段Cis的最大阻滞程度、起效时间、75%的恢复时间和恢复指数差异没有统计学意义;多元逐步回归结果显示肝移植术中影响Cis起效时间的因素有温度和血肌酐值、游离钙离子浓度,影响25%和75%恢复时间的因素有pH值和下腔静脉阻断,影响恢复指数的因素有血肌酐值和尿量。结论肝移植术中无肝期25%的恢复时间比无肝前期延长,影响Cis作用的因素有温度、pH值、钙离子浓度、下腔静脉阻断和肾功能情况。
出处 《四川大学学报(医学版)》 CAS CSCD 北大核心 2012年第1期127-129,共3页 Journal of Sichuan University(Medical Sciences)
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参考文献15

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