• Br J Anaesth · Aug 2013

    Randomized Controlled Trial

    Efficacy of intraoperative dexmedetomidine infusion on emergence agitation and quality of recovery after nasal surgery.

    • S Y Kim, J M Kim, J H Lee, B M Song, and B N Koo.
    • Department of Anaesthesiology and Pain Medicine, Yonsei University College of Medicine, 50 Yonsei-ro, Seodaemun-gu, Seoul 120-752, Republic of Korea.
    • Br J Anaesth. 2013 Aug 1;111(2):222-8.

    BackgroundEmergence agitation is common after nasal surgery. We investigated the effects of intraoperative dexmedetomidine infusion on emergence agitation and quality of recovery after nasal surgery in adult patients.MethodsOne hundred patients undergoing nasal surgery were randomized into two groups. The dexmedetomidine group (Group D, n=50) received dexmedetomidine infusion at a rate of 0.4 μg kg(-1) h(-1) from induction of anaesthesia until extubation, while the control group (Group C, n=50) received volume-matched normal saline infusion as placebo. Propofol (1.5-2 mg kg(-1)) and fentanyl (1 μg kg(-1)) were used for induction of anaesthesia, and desflurane was used for maintenance of anaesthesia. The incidence of agitation, haemodynamic parameters, and recovery characteristics were evaluated during emergence. A 40-item quality-of-recovery questionnaire (QoR-40) was provided to patients 24 h after surgery.ResultsThe incidence of agitation was lower in Group D than Group C (28 vs 52%, P=0.014). Mean arterial pressure and heart rate were more stable in Group D than in Group C during emergence (P<0.05). Time to extubation, bispectral index, and respiratory rate at extubation were similar between the groups. Global QoR-40 score at 24 h after surgery was higher in Group D (median [range], 183 [146 -198]) compared with Group C (178 [133-196]) (P=0.041).ConclusionsIntraoperative infusion of dexmedetomidine provided smooth and haemodynamically stable emergence. It also improved quality of recovery after nasal surgery.

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