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Optimal dose of dexmedetomidine for intravenous analgesia after open radical resection of intestinal neoplasms when mixed with flurbiprofen axetil and butorphanol / 中华麻醉学杂志
Chinese Journal of Anesthesiology ; (12): 681-683, 2017.
Article in Chinese | WPRIM | ID: wpr-621482
ABSTRACT
Objective To determine the optimal dose of dexmedetomidine for intravenous analgesia after open radical resection of intestinal neoplasms when mixed with flurbiprofen axetil and butorphanol.Methods A total of 120 patients of both sexes,of American Society of Anesthesiologists physical status Ⅰ or Ⅱ,aged 20-60 yr,weighing 45-80 kg,undergoing elective open radical resection of intestinal neoplasms,were divided into 4 groups (n =30 each) using a random number tablecontrol group (group C)and different doses of dexmedetomidine groups (group DEX1,group DEX2,group DEX3).Group C received flurbiprofen axetil 2 mg/kg and butorphanol 0.05 mg/kg for intravenous analgesia.In DEX1,DEX2 and DEX3 groups,dexmedetomidine 0.3 μg/kg was intravenously infused starting from 30 min before the end of surgery,and the analgesia solution contained dexmedetomidine 1,2 and 3 μg/kg,respectively,which was mixed with flurbiprofen axetil 2 mg/kg and butorphanol 0.05 mg/kg in 100 ml of 0.9% normal saline,and the mixture was infused at a rate of 2 ml/h.Butorphanol 0.5 mg was intravenously injected as a rescue analgesic,postoperative pain was assessed using the visual analog scale at coughing,and visual analog scale score was maintained <4.The requirement for rescue analgesics was recorded within 48 h after operation.The occurrence of postoperative adverse reactions such as nausea and vomiting,respiratory depression,somnolence,bradycardia,hypotension and over-sedation,patient's satisfaction with analgesia and length of postoperative hospital stay were recorded.Results Compared with group C,the rate of rescue analgesia after operation was significantly decreased,and the degree of satisfaction with analgesia was increased in DEX2 and DEX3 groups,and the incidence of postoperative somnolence was significantly increased in group DEX3 (P<0.05).No other adverse effects were found in DEX1,DEX2 and DEX3 groups.Conclusion When mixed with flurbiprofen axetil and butorphanol,the optimal dose of dexmedetomidine for intravenous analgesia after open radical resection of intestinal neoplasms is 2 μg/kg.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Anesthesiology Year: 2017 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Anesthesiology Year: 2017 Type: Article