Objective:To compare the efficiency and side-reaction between the compound injection of 0 25% tetracaine and 1% lidocaine and single use of 2% lidocaine in upper abdominal operation by epidural block.

• 目的:比较1%25利多卡因复合025%25丁卡因液与2%25利多卡因硬膜外腔麻醉的效果和不良反应。方法:采用随机双盲研究1%25利多卡因复合025%25丁卡因液进行硬膜外腔注射(实验组)30例,2%25利多卡因(对照组)30例,观察指标分为硬膜外腔阻滞麻醉时效评定;