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氯胺酮对七氟烷麻醉维持时Narcotrend指数监测的影响 被引量:1

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摘要 目的观察七氟烷麻醉维持时0.2、0.5、1.0mg/kg的氯胺酮对Narcotrend指数(NI)的影响。方法 ASAⅠ~Ⅱ级准备接受腹部手术的患者40例,随机分为Ⅰ~Ⅳ组对应0.2、0.5、1.0mg/kg的氯胺酮及生理盐水。七氟烷进行麻醉诱导及维持,气管插管后待麻醉深度稳定10min,没有外科刺激时,静脉注射氯胺酮或生理盐水,连续观察15min血流动力学及NI的变化并记录。结果给药前各组的NI基本无差异,Ⅰ组39.4±3.0,Ⅱ组37.5±2.6,Ⅲ组38.0±4.5,Ⅳ组38.4±4.5。给药后Ⅰ组与Ⅳ组的NI在各个时间点均无差异;Ⅱ组和Ⅲ组与Ⅳ组相比,NI明显升高,但Ⅱ组的Narcotrend分级并无变化,而Ⅲ组NI明显升高并使Narcotrend分级显著提高。结论在七氟烷麻醉维持时,0.2mg/kg的氯胺酮对NI无影响,0.5mg/kg时NI增加,但不影响Narcotrend分级,而1.0mg/kg的氯胺酮明显增加NI,并改变Narcotrend分级,可能导致麻醉深度的误判,致使麻醉药物过量。
出处 《广东医学》 CAS CSCD 北大核心 2010年第10期1299-1301,共3页 Guangdong Medical Journal
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参考文献10

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二级参考文献8

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共引文献5

同被引文献4

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