本研究对比了纤维支气管镜(简称纤支镜)检查时3种不同通气方式,旨在探索纤支镜检查麻醉的可行之道。1资料与方法1.1一般资料选择我院2007年1-9月接受纤支镜检查或治疗、ASAⅡ~Ⅲ级、无麻醉禁忌证患者共78例,排除吸氧后SPO2仍低于95%、年龄75岁者。分为3组:Ⅰ组31例,Ⅱ组24例, This study compared the bronchoscopy (bronchofibroscopy) examination of three different ways of ventilation, to explore the feasibility of fiberoptic bronchoscopy. 1 Materials and Methods 1.1 General Information Selection of our hospital from January 2007 to January bronchoscopy or treatment, ASA Ⅱ ~ Ⅲ level, no anesthesia contraindications in 78 patients, excluding oxygen after SPO2 is still less than 95%, age 75 years old. Divided into 3 groups: group Ⅰ 31 cases, group Ⅱ 24 cases,