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The study of minimum local analgesic dose of ropivacaine in thoracic epidural analgesia after thoracotomy

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Author:
No author available
Journal Title:
CHINESE JOURNAL OF PRIMARY MEDICINE AND PHARMACY
Issue:
3
DOI:
10.3760/cma.j.issn.1008-6706.2007.03.003
Key Word:
镇痛,硬膜外;罗哌卡因;剂量效应关系,药物

Abstract: 目的 探讨开胸手术后罗哌卡因胸段硬膜外镇痛的最低有效浓度.方法 选择30例食管癌开胸手术病例,ASAⅠ~Ⅲ级.手术后均于硬膜外给予罗哌卡因5 ml负荷量并以此浓度持续泵入(5 ml/h)行患者自控硬膜外镇痛.罗哌卡因浓度选择0.10%、0.11%、0.12%、0.13%、0.14%、0.15%、0.16%、0.17%、0.18%.根据上下序贯的方法,上一个患者的镇痛效果决定下一个患者所用的罗哌卡因浓度.结果 开胸手术后罗哌卡因胸段硬膜外镇痛的最低有效浓度是0.148%.结论 罗哌卡因用于开胸手术后硬膜外镇痛的最低有效浓度是0.148%,此浓度使患者得到镇痛而不产生运动阻滞.

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