Effect of dexmedetomidine on consumption of anesthetic agents, duration of surgery, time to extubationand post-operative emergence during endoscopic nasal surgeries: a pilot study
Journal Title: Scholars Journal of Applied Medical Sciences - Year 2016, Vol 4, Issue 6
Abstract
Abstract: Our aim was to study the effects of dexmedetomidine on anesthetic consumption, duration of surgery, time to extubation and post-operative emergence when used as an adjunct to general anesthesia in endoscopic nasal surgeries. Fifty two patients scheduled for elective nasal surgery (Functional Endoscopic Sinus Surgery and Functional Endoscopic Nasal surgery) were randomized into two groups.Dexmedetomidine - group (D) and placebo or control - group (C).Dexmedetomidine was administered to the D group at a bolus dose of 0.5 ug/kg via an intravenous infusion pump over 10 min. Intraoperative maintenance was supplied by a continuous infusion of 0.2 ug/kg/hr. Infusion of Dexmedetomidine was stopped when the major surgical intervention was over.Group C was given equal amounts of normal saline, instead of Dexmedetomidine.The intraoperative hemodynamics during the surgery were recorded on a proforma. The duration of surgery, time to extubation and amount of anesthetic agents consumed in both the groups were noted. We found that there was a statistically significant difference in anesthetic consumption between both groups. The time to extubation was more in group C(p value < 0.05) .Awakening scores were better in group D(p value < 0.05).No significant difference in the duration of surgery was found.Our conclusion was that Dexmedetomidine reduces anesthetic agent consumption significantly when used as an adjunct in endoscopic nasal surgeries, thereby leading to shorter extubation times and better awakening scores. Keywords:Dexmedetomidine, endoscopicsurgeries,propofol,sevoflurane,controlled hypotension,awakening score.
Authors and Affiliations
Dr. Harpreet Kaur, Dr. Rajeev Lochan Tiwari, Dr. Jyotsna Bhargava, Dr. Neeraj Kasliwal
Keywords
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