1·Objective : To study the safety subarachnoidanesthesia of ropivacaine for labor analgesia .
目的： 探讨罗哌卡因分娩镇痛方法的安全性。
2·To determine the motor block minimum local analgesic concentrations (EC50) of levobupivacaine and ropivacaine, and compare the relative potency of these drugs used in epidural space.
在分娩第一产程时测定左旋布比卡因和罗哌卡因的最小运动阻滞浓度(EC50)并对其运动阻滞效能进行比较。
3·AIM To study anesthetic effect of ropivacaine in brachial plexus block.
目的研究罗哌卡因在臂丛麻醉中的临床应用效果。
4·Objective To investigate the efficacy and safety of ropivacaine and bupivacaine for combined spinal-epidural anesthesia (CSEA) for caesarean section.
目的研究罗哌卡因腰麻-硬膜外联合阻滞用于剖宫产术的临床效果及安全性。
5·Objective to determine the minimum effective concentration of ropivacaine in thoracic epidural analgesia after surgical incision into the chest wall.
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。