Abstract
Different drugs have been used to enhance postoperative neuraxial opioid analgesia and reduce adverse effects. We randomized 60 patients into 2 groups to receive either 2 mL saline or 0.1 mg/kg dexamethasone IV before the administration of intrathecal anesthesia (15 mg and meperidine 15 mg). After surgery, patients were asked to score their pain at 6, 12, 18, and 24 h. The presence of postoperative nausea and vomiting (PONV), pruritus and respiratory depression were recorded. The total dose of diclofenac (P < 0.05), visual analog scale pain score at 6-h intervals (P < 0.001), and the incidence of PONV (P < 0.05) were significantly lower in the dexamethasone group. Administration of IV dexamethasone prior to intrathecal meperidine injection enhances analgesia and reduces PONV.
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