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先天性巨结肠根治术106例,年龄3个月～4岁,体重3.5～15kg,手术时间为160～235min,平均185min。术前插胃管,肌注东莨菪碱0.006～0.01mg/kg、胃复安0.1mg/kg。入室后先用基础麻醉氯胺酮5～10mg/kg、利多卡因3～5mg/kg混合肌注。58例全麻缓慢静注r-OH50～100mg/kg进行全麻诱导气管插管,术中每隔30～60min静注氯胺酮利多卡因合剂(两药各取100mg,稀释至10ml,下称KL)0.1～0.2ml/kg,必要时静注芬太尼2～5μg/kg或安定0.25～0.5mg/kg维持全麻。48例为骶麻组行骶管穿刺置管后首量注入0.5％～1.5％利多卡因5～7mg/kg,术中视情况骶管分次追加首量的1/3～1/2,同时按<0.1ml·kg~(-1)的剂量静注KL合剂,必要时静注辅助用药芬太
Hirschsprung radical surgery of 106 cases, aged 3 months to 4 years old, weighing 3.5 ~ 15kg, the operative time was 160 ~ 235min, an average of 185min. Preoperative gastric tube, intramuscular injection of scopolamine 0.006 ~ 0.01mg / kg, metoclopramide 0.1mg / kg. After entering the room with basic anesthesia ketamine 5 ~ 10mg / kg, lidocaine 3 ~ 5mg / kg mixed intramuscular injection. 58 cases of general anesthesia slow intravenous injection of r-OH50 ~ 100mg / kg anesthesia induced tracheal intubation, intraoperative every 30 ~ 60min ketamine ketamine injection (two drugs each take 100mg, diluted to 10ml, hereinafter referred to as KL ) 0.1 ~ 0.2ml / kg, if necessary, intravenous fentanyl 2 ~ 5μg / kg or stability of 0.25 ~ 0.5mg / kg to maintain general anesthesia. 48 cases of sacral anesthesia for sacral canal puncture after the first infusion of 0.5% to 1.5% lidocaine 5 ~ 7mg / kg, intraoperative sacral gratification additional amount of the first volume of 1/3 ~ 1/2, while pressing <0.1ml · kg ~ (-1) dose of intravenous injection of KL mixture, if necessary, intravenous infusion of fentanyl