Comparison of three different concentrations 0.2%, 0.5%, and 0.75% epidural ropivacaine for postoperative analgesia in lower limb orthopedic surgery

0.5% and 0.75% ropivacaine were sufficient and effective for intrathecal subarachnoid block as well as for postoperative analgesia with epidural use. Shorter duration of motor blockade and analgesia was seen with ropivacaine 0.2%.