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Effects of Tramadol on shivering post spinal anesthesia in elective cesarean section

Effects of Tramadol on shivering post spinal anesthesia in elective cesarean section

  1. Gradient
    Fatemeh Javaherforoosh1, Reza Akhondzadeh2, Kaveh Beh Aein3, Alireza Olapour4, Mehrdad Samimi5

    Abstract: Background and Objective: Post operative shivering is a complication commonly observed in post spinal anesthesia. For prevention and treatment of this complication different drugs are used. This study evaluated the effects of tramadol for post operative shivering prevention in parturients carried out by help of spinal anesthesia (SA) for cesarean section.
    Methodology: In this randomized double blind cross-sectional study, 90 patients who were candidates for cesarean section with American Society of Anesthesiologist (ASA) 1 or 11, from April 2005 until February 2006 were randomly allocated to one of two groups (study and control). All patients underwent spinal anesthesia. Near the end of operation, 1 mg/kg tramadol, in 20ml (diluted by normal saline) to study group and 20ml. of normal saline to control group was slowly injected intravenously. Patients were evaluated regarding their hemodynamic signs, arterial oxygen saturation percentage, oral temperature, presence and intensity of shivering and nausea and vomiting. Collected data was analysed by using of Chi-square test.
    Results: Thirty nine patients (86.6%)in control group had shivering, while only four patients (8.8%) in study group had shivering. Thirty three patients (73.3%) of control group experienced moderate shivering and six patients (13.3%) experienced mild shivering. In study group two patients (50%) had moderate shivering and two patients (50%) experienced mild shivering. Neither group experienced severe shivering. Therefore between the two groups a significant difference (P