Prevention of Shivering during Spinal Anesthesia: Comparison between Tramadol, Ketamine and Ondansetron (original) (raw)

2017, Journal of Nepal Medical Association

Introduction: Shivering is an unpleasant experience after spinal anesthesia. We conducted this study to evaluate the efficacy of ondansetron, ketamine and tramadol for prevention of shivering. Methods: In this prospective, randomized controlled study, 120 patients aged 18-65 years of American Society of Anesthesiologist (ASA) physical status I&II undergoing various surgical procedures were included and allocated alternately to one of the 4 groups; Normal saline (Group1), Ondansetron 4mg (Group2), Ketamine 0.25mg/kg (Group3) and Tramadol 0.5mg/kg (Group4). Incidence of shivering, effect on hemodynamics, nausea, vomiting, sedation and emergence reactions were recorded. Data was analyzed using SPSS (The Statistical Package for Social Sciences) version 20.0 software. Results: The patients were comparable in terms of demographic variables, baseline temperature, type of surgery, median level of sensory blockade, duration of surgery and anesthesia. Shivering was present in 17 (56.7%), 5 (1...