High-dose dexmedetomidine versus dexamethasone supplementation to interscalene brachial plexus block in arthroscopic shoulder surgery: A randomized, controlled trial
Background In this double-blind, randomized controlled trial, we compared the efficacy of perineural 2 µg/kg dexmedetomidine and 5 mg dexamethasone as adjuvants to bupivacaine for postoperative pain control in patients undergoing arthroscopic shoulder surgery. We hypothesized that the combination of bupivacaine with de...