Comparing Intravenous Dexamethasone, Pethidine, and Ketamine for Postoperative Shivering Prevention in Patients Undergoing General Anesthesia

Aims: Postoperative shivering is unpleasant and annoying for the patient, occurring in up to 65% of cases undergoing general anesthesia. Various mechanisms were suggested postoperative shivering. Shivering after anesthesia can cause complications, such as cardiovascular conditions, bleeding, infection. This study compared effects dexamethasone, pethidine, ketamine on prevention Methods & Materials: In total, 164 patients with ASA classes one two age range 20-60 years under orthopedic surgery, urology, surgery included study. was a double-blind, randomized, placebo-controlled The divided into 4 groups 41 subjects. After induction before first group, dexamethasone 0.15 mg/kg body weight, second 0.5 mg/kg, third pethidine fourth normal saline 0.9% all given 2 cc volume. examined monitored visible by researcher. obtained data analyzed using SPSS. Findings: frequency severity lower (P=0.009), (P=0.004), (P=0.000) groups, control group. Besides, there significant difference between each these 3 controls. group not significantly different from those (P=0.565). statistically (P=0.071). (P=0.063). Conclusion: results indicated that effective preventing There no medications