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作者做了一个随机双盲安慰剂对照试验,比较在全麻下,输卵管绝育时用涂有2％利多卡因凝胶与无效凝胶Filshie夹的镇痛效力。顺序筛选受术者随机给予灭菌2％利多卡因凝胶10ml(0.02mg/ml)或安慰剂凝胶10ml。静脉注射普鲁泊福和芬太尼1μg/kg诱
The authors did a randomized, double-blind, placebo-controlled trial comparing the analgesic efficacy of a 2% lidocaine gel with an invalid gel Filshie clip under general anesthesia for tubal sterilization. Sequencing Screening Subjects were randomized to receive either 10 ml of sterilized 2% lidocaine gel (0.02 mg / ml) or placebo gel 10 ml. Intravenous propofol and fentanyl 1μg / kg lure