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  • Title: [Effects of dexamethasone on epidural morphine-related nausea and vomiting].
    Author: Wu YW, Xu JS, Chen ZQ, Gu MN, Wang YZ.
    Journal: Di Yi Jun Yi Da Xue Xue Bao; 2002 Aug; 22(8):758-9. PubMed ID: 12376274.
    Abstract:
    OBJECTIVE: To observe the effect of intravenous dexamethasone injections in preventing nausea and vomiting resulted from epidural morphine for post-operation pain relief. METHODS: Eighty-four adult patients (ASA class I to II ) requiring epidural anesthesia for low abdominal surgical procedures were randomly divided into 2 groups, of which Group 1 (n=42) received intravenous dexamethasone injections at 10 mg and Group 2 (n=42) intravenous injection of 2 ml normal saline before administration of 2 mg epidural morphine for post-operation pain relief. The incidence of nausea and vomiting were recorded within 24 h after surgery. RESULTS: The incidence of nausea and vomiting were 12% and 7% in Group 1, while 31% and 21% in Group 2 respectively, showing significant difference between the 2 groups (P<0.05). The total incidence of nausea and vomiting were also significantly different (19% vs 52%, P<0.01). CONCLUSION: Intravenous dexamethasone injections at 10 mg can significantly decrease the incidence of epidural morphine-related nausea and vomiting.
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