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本文探讨利多卡因对气管内插管时心血管副反应有无抑制作用，将４０例患者随机分为两组。试验组２０例和对照组２０例。试验组２％利多卡因２０ｍｌ口腔含嗽和２％利多卡因１ｍｇ／ｋｇ静脉注入。２．５％硫苯妥钠８ｍｇ／ｋｇ，琥珀胆碱１．５ｍｇ／ｋｇ静注诱导，对照组单纯２．５％硫苯妥钠８ｍｇ／ｋｇ，琥珀胆碱１．５ｍｇ／ｋｇ静注诱导气管内插管，然后，观察各时期的ＨＲ、ＳＢＰ、ＲＰＰ的变化，结果表明利多卡因对心血管副反应是有抑制作用，优于硫苯妥钠，但仍不能有效地防止。
This article investigates the effect of lidocaine on cardiovascular adverse reactions during endotracheal intubation, 40 patients were randomly divided into two groups. 20 cases in trial group and 20 cases in control group. The experimental group 2% lidocaine 20ml oral cough and 2% lidocaine 1mg / kg intravenously. 2.5% of sodium thio-sevoflurane 8mg / kg, succinylcholine 1.5mg / kg intravenously induced, the control group of 2.5% pure sodium thiotech 8mg / kg, succinylcholine 1.5mg / kg intravenously induced Intratracheal intubation, and then observe the changes of HR, SBP, RPP in each period, the results show that lidocaine has an inhibitory effect on cardiovascular adverse reactions, superior to the sodium, but still can not effectively prevent.