Postoperative Dexmedetomidine in Prevention of Postoperative Delirium

Combining with 3 μg.kg-1 sufentanil, 3 μg.kg-1 dexmedetomidine is injected through intravenous patient controlled anesthesia pump in a 2 ml bolus with 20 minutes lock-out, and a background infusion rate of 2 ml per hour.

3 μg.kg-1 sufentanil is injected through intravenous patient controlled anesthesia pump in a 2 ml bolus with 20 minutes lock-out, and a background infusion rate of 2 ml per hour.