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目的探讨利多卡因表面麻醉在ICU人工气道患者留置液囊空肠导管可行性与效果。方法将入住ICU60例需留置液囊空肠导管人工气道患者随机分为两组，观察者组30例采用利多卡因鼻咽喉表面麻醉后按液囊空肠导管改良方法(下称改良方法)置管，对照组30例直接应用改良方法置管。结果两组置管所需时间、一次置管成功率、不良反应均有显著性差异。结论人工气道患者留置液囊空肠导管前1~3 min行利多卡因3~5 ml表面麻醉，能提高人工气道患者留置液囊空肠导管成功率，置管时间短，减少置管过程呛咳、恶心、呕吐、心血管反应等，方法简便、安全。“,”Objective To explore the lidocaine anesthesia in ICU patients with artificial airway surface lien sac jejunum catheter feasibility and ef ect.Methods Check-in ICU60 patients need lien sac jejunum catheter artificial airway patients were randomly divided into two groups,the observer group of 30 cases with lidocaine nose throat surface anesthesia by sac jejunum after catheter improved method (hereinafter refer ed to as the modified method)catheter,the control group 30 cases directly modified method.Results Tme needed for two groups of catheter,a success rate of catheter,adverse reactions have significant dif erence.Conclusion Lien sac jejunum catheters in patients with artificial airway line 1~3 min lidocaine before 3~5 ml surface anesthesia,can improve the success rate of lien sac jejunum catheters in patients with artificial airway,catheter time is short,reduce catheter process choke to cough,nausea,vomiting,cardiovascular reaction,etc.