A study to compare postoperative analgesia in patients undergoing modified radical mastectomy under epidural ropivacaine alone or using butorphanol versus fentanyl as adjuvant to ropivacaine

The aim of this study is to compare the pain relief and complications after epidural administration of ropivacaine or ropivacaine–butorphenol or ropivacaine-fentanyl or complications arising due to the procedure itself, in patients undergoing Modified Radical Mastectomy(MRM). The study will be conducted on 90 females undergoing Modified Radical Mastectomy will be divided into 3 groups with 30 patients each. Group A will be given ropivacaine 0.25% 6ml with 2 ml of normal saline through epidural route; Group B will receive 6ml of 0.25% ropivacaine with butorphanol 1ml (1mg/ml) and 1 ml normal saline through epidural route.; Group C will receive 6ml of 0.25% ropivacaine with 2 ml fentanyl (100 micrograms) through epidural route. The postoperative analgesia will be given as epidural top-ups in the form of ropivacaine(0.125% 6ml) and the data from the above study will be systematically collected, compiled and statistically analyzed to draw relevant conclusions.