Objective To compare the sedative efficacy and untoward effect of dexmedetomidine and midazolam in drunken patients after general anesthesia.Methods Thirty-eight drunken patients having underwent mechanical ventilation after general anesthesia were enrolled.The patients were divided into dexmedetomidine group and midazolam group with 19 cases each according to random digital table method.The sedation onset time,dysphoria,percentage of with good sleep quality,duration of mechanical ventilation,ICU length of staying and untoward effect were compared.Results The sedation onset time and duration of mechanical ventilation in dexmedetomidine group were significantly shorter than those in midazolam group:(45.6 ±8.9) s vs.(112.5 ±20.3) s and (9.4 ±2.1) h vs.(18.6 ±5.1) h,the patients of dysphoria in dexmedetomidine group was significantly less than that in midazolam group:6 cases vs.14 cases,the patients of good sleep quality in dexmedetomidine group was significantly more than that in midazolam group:12 cases vs.4 cases,and there were statistical differences (P＜ 0.05).There was no statistical difference in ICU length of staying between 2 groups (P ＞ 0.05).The patients of bradyarrhythmia in dexmedetomidine group was significantly more than that in midazolam group:9 cases vs.2 cases,but the patients of respiratory depression in dexmedetomidine group was significantly less than that in midazolam group:4 cases vs.12 cases,and there were statistical differences (P ＜ 0.05).There were no statistical differences in delirium and hypopiesis between 2 groups (P ＞ 0.05).Conclusion Compared with midazolam,dexmedetomidine is highly recommended to be used for the sedation of drunken patients after general anesthesia,but the incidence of circulatory adverse reactions should be paid attention to.

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