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0.75%轻比重罗哌卡因用于剖宫产患者腰硬联合麻醉的半数有效剂量 被引量:3

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摘要 目的探讨择期剖宫产术患者鞘内注射0.75%轻比重罗哌卡因(ropivacaine,Rop)的半数有效剂量。方法选择32名ASAⅠ~Ⅱ择期在腰硬联合麻醉(蛛网膜下腔-硬膜外腔联合麻醉,CSEA)下行剖宫产的患者,年龄24~32岁,身高154~165cm,所有患者均使用0.75%轻比重罗哌卡因。采用序贯法进行试验,初始剂量为12mg,相邻剂量的差为1.5mg,阻滞有效,则下1例采用低一级剂量;阻滞无效,则下1例采用高一级剂量。阻滞有效的标准:阻滞平面达到T6,切皮无痛觉,无牵拉反应,肌松满意,Bromage达3分。计算罗哌卡因的半数有效剂量和95%可信区间(CI)。结果 29名产妇完成本研究。序贯法实验得出,剖宫产时腰硬联合麻醉鞘内注射0.75%轻比重罗哌卡因的半数有效剂量(ED50)是9.67,ED50的95%CI为9.13~10.24。结论 L2~3间隙CSEA下剖宫产时,鞘内注射0.75%轻比重罗哌卡因麻醉的ED50为9.67。
作者 史文文 李慧
出处 《齐齐哈尔医学院学报》 2012年第21期2897-2898,共2页 Journal of Qiqihar Medical University
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参考文献9

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二级参考文献25

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