This study evaluated the analgesic efficacy of fentanyl and dexamethasone in combination with bupivacaine for single-shot paravertebral block (PVB) in patients undergoing major breast surgery.~Patients will receive ultrasound guided paravertebral block and stratified into 3 groups according to medication used :~Group 1 : bupivacaine (0.5%) 20 ml , fentanyl 1 μg/kg Group 2 : bupivacaine (0.5%) 20 ml , dexamethasone 4 mg Group 2 : bupivacaine (0.5%) 20 ml , fentanyl 1 μg/kg , dexamethasone 4 mg
This study evaluated the analgesic efficacy of fentanyl and dexamethasone in combination with bupivacaine for single-shot paravertebral block (PVB) in patients undergoing major breast surgery.