Dexmedetomidine vs Fentanyl on Time to Extubation in Patients Undergoing Laparoscopic Sleeve Gastrectomy

Fentanyl (1 μg/kg) was given intravenously slowly over 60 seconds before induction of anesthesia as loading dose followed by continuous infusion at a rate of (1μg/kg/hr) after intubation and was stopped 10 minutes before the end of surgery.

The patients received loading dose of dexmedetomidine (1 μg/kg) (Precedex, Abbot Laboratories Inc., Abbot Park, IL, USA) intravenously over 15 minutes before induction of anesthesia followed by continuous infusion at a rate of (0.6 μg/ kg/ hr) after intubation and was stopped 10 minutes before the end of surgery.