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右美托咪定对腹腔镜子宫切除术患者循环及应激反应的影响 被引量:65

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摘要 目的观察新型α2肾上腺素能受体激动药右美托咪定(dexmedetomidine,Dex)对腹腔镜子宫切除术患者循环及应激反应的影响。方法择期全麻下行腹腔镜子宫切除术患者24例,ASAⅠ~Ⅱ级,将其随机双盲分为两组:D组(右美托咪定组,n=12),Dex静脉注射负荷剂量1μg/kg(在10 min内输注完),然后以0.5μg/(kg.h)持续静脉注射60 min;C组(对照组,n=12),以同样方式输注生理盐水。于麻醉前15 min(T0)、插管后5min(T1)、气腹后20 min(T2)、术毕(T3)和术后24 h(T4)四个时间点,分别监测其平均动脉压(MAP)、心率(HR),并测定血浆皮质醇(Cor)、去甲肾上腺素(NE)和白细胞介素6(IL-6)水平。结果 T0时两组所有检测值比较差异无显著性(P>0.05);在T1、T2、T3时C组MAP和HR值明显升高,而D组仅轻度增高,组间差异明显(P<0.05);与T0比较,C组Cor、NE及IL-6于T2、T3时明显升高,且高于D组同时段(P<0.05),Cor和IL-6两组均在T4时达到高峰。结论右美托咪定增加了围术期血流动力学的稳定,较为有效地抑制了腹腔镜子宫切除术引起的应激反应。
出处 《广东医学》 CAS CSCD 北大核心 2011年第4期489-491,共3页 Guangdong Medical Journal
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