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喉痉挛是儿童浅麻醉下拔管后出现的一种严重并发症。喉痉挛时,真假声带向中间靠拢使声门闭锁。作者报道静注利多卡因2毫克/公斤可以预防和控制拔管所致的喉痉挛,并且认为比较安全。本组40例年龄3～6岁,体重13～23公斤,均在全麻下施行扁桃体摘除术。术前45～60分钟,肌注度冷丁2毫克/公斤,戊巴比妥4毫克/公斤和阿托品0. 3～0. 6毫克吸入5立升氧内含2～4％氟烷作为麻醉诱导。根据年龄/3+3. 5厘米算出导管内径选用合适的导管。用1～2％氟烷-氧维持麻醉。手术结束前5～10分停用
Laryngeal spasm is a serious complication after extubation in children under light anesthesia. Laryngeal spasm, the true and false vocal cords to move closer to the middle of the glottis. The authors report intravenous lidocaine 2 mg / kg can prevent and control extubation-induced laryngospasm and is considered safe. The group of 40 patients aged 3 to 6 years old, weighing 13 to 23 kg, were performed under general anesthesia tonsillectomy. 45 to 60 minutes before surgery, intramuscular injection of cold 2 mg / kg, pentobarbital 4 mg / kg and atropine 0.3 ~ 0.6 mg inhalation of 5 liters of oxygen containing 2-4% halothane anesthesia induced . According to age / 3 +3. 5 cm catheter diameter calculated using the appropriate catheter. With 1 to 2% halothane - oxygen to maintain anesthesia. 5 to 10 minutes before the end of surgery disabled