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力学稳定,同时可能导致拔管时间及清醒时间较长;右                                TY M,et al. Controlled hypotension during rhinoplasty:
        美托咪定的应用不影响自主呼吸恢复并能减少术中麻                                 a comparison of dexmedetomidine with magnesium sul-
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        美托咪定心动过缓发生率较高 ,本研究发现心动过缓                                glycerine,esmolol and dexmedetomidine for induced hy-
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        的发生率并未增加,这可能与右美托咪定应用方法和剂
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        量有关。
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            本Meta分析存在一定的局限性,体现在以下几个方
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        面:(1)由于纳入文献数量较少,部分文献质量较差,未
                                                                potension in ambulatory functional endoscopic sinus sur-
        给出具体数据,部分数据仅以图表的形式描述结果,无                                gery:a comparison between dexmedetomidine and cloni-
        法提取数据进行合并分析,特别是血流动力学指标;(2)                              dine as premedication:a prospective,double-blind,and
        纳入文献中有些指标的采集分析,如术中降压药补充情                                randomized study[J]. Saudi J Anaesth,2016,10(1):74-80.
        况及术后不良反应,各研究结果存在异质性,可能与文                           [ 8 ]  DAS A,CHHAULE S,BHATTACHARYA S,et al. Con-
        献报道结果偏差较大,各报道的患者性别比例及体质量                                trolled hypotension in day care functional endoscopic si-
        指数差异、用药量及用药方法的不同有关,得到的分析                                nus surgery:a comparison between esmolol and dexme-
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                                                                et al. Induced hypotension for functional endoscopic sinus
        少,本文未进行分析。纳入的文献中右美托咪定多为辅                                surgery:a comparative study of dexmedetomidine versus
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        中国药房    2020年第31卷第5期                                               China Pharmacy 2020 Vol. 31 No. 5  ·621  ·
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