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- W3028701261 abstract "Objective To evaluate the effect of dexmedetomidine on the efficacy of patient-controlled intravenous analgesia （PCIA） with morphine after elective radical gastrectomy. Methods One hundred and twenty ASA T or II patients aged 41-64 yr weighing 50-80 kg undergoing elective radical gastrectomy were randomly divided into 2 groups of 60 patients, according to the composition of PCIA solution ： group I morphine （group M） and group II morphine ＋ dexmedetomidiue （group MD） . In group M the PCIA solution contained morphine 100 mg in 200 ml of normal saline （NS）, while in group MD the PCIA solution contained morphine 100 mg ＋ dexmedetomidine 200 ug in NS 200 ml. PCIA was started immediately after operation. A loading dose of 6 ml was given iv at the end of operation. PCIA setting was as follows： background infusion 1 ml/h, bolus dose 3 ml and lockout interval 10 rain. VAS score was maintained at ≤4 and Ramsay score at 2-3. The total amount of morphine consumed, the number of attempts and successfully delivered doses within 24 and 48 h after operation were recorded. Postoperative complications including nausea, vomiting, bradycardia, hypotension, oversedation and respiratory depression were recorded. Results The total amount of morphine consumed, the number of attempts and successfully delivered doses within 24 and 48 h after operation were significantly smaller and the incidence of nausea and vomiting and pruritus was significantly lower in group MD than in group M. No bradycardia, hypotension, oversedation or respiratory depression was observed in either group. Conclusion Dexmedetomidine added to intravenous morphine PCA can improve the analgesic efficacy after radical gastrectomy with less adverse effects.Key words: Dexmedetomidine ; Morphine ; Analgesia, patient- controlled" @default.
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- W3028701261 date "2010-07-20" @default.
- W3028701261 modified "2023-09-26" @default.
- W3028701261 title "Effect of dexmedetomidine on efficacy of PCIA with morphine after gastrectomy" @default.
- W3028701261 doi "https://doi.org/10.3760/cma.j.issn.0254-1416.2010.07.020" @default.
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