Conclusion The use of a thermalsoftened nasotracheal tube to intubate guided by a fiberoptic bronchoscope to establish an artificial airway shortened preparation time before inbubation.

• 结论 导管加温后纤支镜引导经鼻建立人工气道，在置管前鼻腔黏膜表面无需使用缩血管药物，插管前准备时间缩短，避免了药物引发的心血管反应；