Abstract
AbstractObjective: Postanaesthetic shivering is a recognised complication of general and regional anaesthesia. Pharmacological and nonpharmacological methods have been used to prevent shivering. This study was conducted to determine the efficacy of ketamine when compared with pethidine and placebo for the prevention of postanaesthetic shivering.Design: A randomised, double-blind study was conducted.Setting and subjects: This study was conducted on 90 American Society of Anesthesiologists (ASA) I and II patients of both genders, aged 18–70 years, who were to undergo surgery under general anaesthesia. Patients were randomised into three equal groups: Group S received a saline placebo, Group P received pethidine 20 mg and Group K received ketamine 0.5 mg/kg. The study medication was given within 20 minutes of the estimated end of surgery.Outcome measures: Haemodynamic parameters were noted before, during and after anaesthesia. Tympanic temperature was recorded during the intraoperative period, on arrival in ...
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