Abstract of Medical Dissertation: Research on efficacy of intraoperative anesthesia and postoperative analgesia by mixture of bupivacaine with dexmedetomidine in brachial plexus block for upper extremity bone surgery

To compare intraoperative anesthetic and postoperative analgesic efficacy of 75mg bupivacaine and 100mcg dexmedetomidine mixture with bupivacaine alone by brachial plexus block for upper extremity bone surgery. To evaluate on blood pressure, heart rate, sedative effect and some adverse effects of 75mg bupivacaine and 100mcg dexmedetomidine mixture by brachial plexus block for upper extremity bone surgery.