We also recorded the first additional analgesic demands and ketamine associated adverse events. Results: We detected significant differences between the visual analogue scale values of ketamine and control group in the 2 nd , 4 th and 12 th hours. Significant differences were also seen in the first analgesic demand periods. We found a significant decrease in nausea and vomiting and insignificant elevation of psychodysleptic findings in ketamine group. Conclusion: We believe that low-dose ketamine can be effectively used to sustain analgesia in pregnant patients who received spinal anaesthesia. We further believe that the effect of ketamine in decreasing nausea and vomiting, in exchange of low levels of neuropsychiatric symptoms, is a remarkable subject.
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