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术前肌肉注射右美托咪定镇静效应及其对氯胺酮麻醉诱导插管期血流动力学的影响 被引量:13

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摘要 目的研究术前肌肉注射右美托咪定的镇静效应及其对失血性休克患者氯胺酮麻醉诱导插管期血流动力学的影响。方法选择术前诊断异位妊娠、处于失血性休克代偿期(心率>100次/min,休克指数≈1,出血Ⅱ级),并拟在全麻下行急诊手术探查患者32例,按术前用药不同分为两组,对照组(C组,n=16)和右美托咪定组(D组,n=16),术前30 min C组常规肌肉注射0.1 g苯巴比妥钠,D组肌肉注射右美托咪定2μg/kg。所有患者采用2 mg/kg氯胺酮、0.9 mg/kg罗库溴铵诱导气管插管,观察患者诱导插管前镇静程度及术前用药前(T0)、氯胺酮诱导前(T1)、氯胺酮诱导后3 min内(T2)测得的最高平均动脉压(MAP)和最快心率(HR)以及气管插管后5min内(T3)测得的最高MAP和最快HR。记录两组患者心动过缓、镇静过度等不良反应发生率。结果 T0时点两组患者均表现为HR快、MAP正常或略低于正常;C组和D组患者T1时点MAP和HR与T0时点差异无统计学意义,氯胺酮诱导后两组患者均表现为MAP升高、HR加快,两组患者T2时点最高MAP差异无统计学意义;而D组患者HR增加幅度小于C组,C、D组HR最快分别为(119.6±25.4)次/min和(101.7±22.3)次/min(P<0.05),气管插管应激引起MAP升高、HR加快;两组患者T3时点最高MAP均有所升高,组间差异无统计学意义,而T3时点最快HR C、D组分别为(121.5±28.1)次/min和(106.7±23.7)次/min(P<0.05),两组均无出现心动过缓和镇静过度患者。结论术前肌肉注射2μg/kg右美托咪定镇静程度适当,并有利于维持失血性休克患者氯胺酮麻醉诱导气管插管期血流动力学稳定。
出处 《广东医学》 CAS CSCD 北大核心 2012年第11期1667-1669,共3页 Guangdong Medical Journal
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共引文献49

同被引文献155

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