左旋布比卡是新型长效酰胺类局麻药,是布比卡因的左旋对映体。中枢神经系统毒性和心脏毒性较布比卡因低[1]。笔者比较等效价浓度的两种局麻药复合芬太尼用于妇科术后硬膜外自控镇痛(PCEA)的临床效果。1资料与方法1.1一般资料选择妇科手术患者60例,年龄25~54岁,体重40~70 kg,A S Levobupivacaine is a new long-acting amide of local anesthetics, is the B enantiomer of Bupivacaine. Central nervous system toxicity and cardiotoxicity than bupivacaine low [1]. The author compared the equivalent concentration of two local anesthetics combined fentanyl for gynecological postoperative epidural analgesia (PCEA) clinical effect. 1 Materials and Methods 1.1 General Information Select 60 cases of gynecological surgery patients, aged 25 to 54 years old, body weight 40 to 70 kg, A S