• Gillian M Keating.
• Springer, Private Bag 65901, Mairangi Bay 0754, Auckland, New Zealand, demail@springer.com.
• Drugs. 2015 Jul 1; 75 (10): 1119-30.

AbstractDexmedetomidine (Dexdor(®)) is a highly selective α2-adrenoceptor agonist. It has sedative, analgesic and opioid-sparing effects and is suitable for short- and longer-term sedation in an intensive care setting. In the randomized, double-blind, multicentre MIDEX and PRODEX trials, longer-term sedation with dexmedetomidine was noninferior to midazolam and propofol in terms of time spent at the target sedation range, as well as being associated with a shorter time to extubation than midazolam or propofol, and a shorter duration of mechanical ventilation than midazolam. Patients receiving dexmedetomidine were also easier to rouse, more co-operative and better able to communicate than patients receiving midazolam or propofol. Dexmedetomidine had beneficial effects on delirium in some randomized, controlled trials (e.g. patients receiving dexmedetomidine were less likely to experience delirium than patients receiving midazolam, propofol or remifentanil and had more delirium- and coma-free days than patients receiving lorazepam). Intravenous dexmedetomidine had an acceptable tolerability profile; hypotension, hypertension and bradycardia were the most commonly reported adverse reactions. In conclusion, dexmedetomidine is an important option for sedation in the intensive care setting.

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