1 ObjectiveIn order to explore the effects of intravenous butorphanol for postoperative Analgesia.

2 Objective: To observe the analgesic effect of butorphanol combined with flurbiprofen axetil in patients after the operation of nasal endoscope.

3 Objective To investigate the paregoric effects of butorphanol when the errhysis occurs inside the epidural catheter during continuous epidural anesthesia.

4 Conclusion Ropivacaine combined with butorphanol is suitable for PCEA with their good results and less side effects.

5 Objective To evaluate the clinical effects of butorphanol preemptive analgesia on brachial plexus block with ropivacaine.

6 ObjectiveTo observe the effects of Butorphanol preemptive analgesia on brachial plexus nerve block.

7 Objective To observe the effects of butorphanol coordinated with lidocaine carbonate on draw reaction and newborns at epidural anesthesia for cesarean section.

8 Conclusion It can significantly reduce the draw reaction that epidural anesthesia with butorphanol coordinated with lidocaine carbonate for cesarean section. And there are no effects for the newborns.

9 Objective Observation of gynecologic laparoscopic surgery after general anesthesia butorphanol for continuous intravenous analgesic effect.

10 Objective To observe the clinical effect and side effect of continuous venous analgesia(CVA) with butorphanol in the patients undergoing total hip replacement.