The effects of single-dose intravenous dexmedetomidine on hyperbaric bupivacaine spinal anesthesia

Purpose Dexmedetomidine, a selective α2-adrenoceptor agonist, has analgesic and sedative effects. The purpose of this study was to investigate the effects of small, single-dose intravenous dexmedetomidine administration after hyperbaric bupivacaine spinal anesthesia.