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The different effects of esmolol and local anaesthesia on HRV for intubation reaction

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Author:
No author available
Journal Title:
CHINESE JOURNAL OF PRIMARY MEDICINE AND PHARMACY
Issue:
9
DOI:
10.3760/cma.j.issn.1008-6706.2003.09.004
Key Word:
气管内;插管术;艾司洛尔;应激反应;儿茶酚胺

Abstract: 目的采用HRV(heart rate variability)比较观察气管插管前分别静注艾司洛尔和用LTA(kit for laryngotracheal anaesthesia)作表面麻醉从两个不同层次来抑制插管反应的差别.方法 120例病人随机等分为三组,Ⅰ组插管前2 min,静注艾司洛尔2 mg/kg;Ⅱ组用LTA做会厌、声门及气管内的表面麻醉,2 min后再行插管;Ⅲ组于清醒时,用LTA作舌根、软腭、咽及喉部喷雾,再行常规诱导,其余操作同Ⅱ组.从诱导时至插管后10 min连续记录MBP、HR、BIS、HRV、LF、HF、LF/HF、LF+HF等指标的变化.结果在插管即刻和插管后1 min,Ⅰ组病人心率明显低于Ⅱ、Ⅲ组;Ⅲ组病人的LF/HF明显低于Ⅰ、Ⅱ组(P<0.05);HRV和LF(低频)在插管前后只有Ⅲ组持续不变.结论插管前静注艾司洛尔只能缓解由于儿茶酚胺释放引起的心血管反应;而LTA能阻断神经冲动的传入,从根本上抑制应激反应的发生.

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