nasotracheal intubation

例句：

1. 1. The patient was intubated through the nose to prevent aspiration of secretions.
   为了预防分泌物吸入，患者被经鼻气管插管。
2. 2. During the surgery, the doctor inserted a nasotracheal tube to monitor the patient's oxygen levels.
   在手术期间，医生插入了一根经鼻气管导管来监测患者的氧水平。
3. 3. The patient required intubation due to respiratory distress, and the procedure was performed smoothly.
   由于呼吸困难，患者需要经鼻气管插管，整个过程顺利进行。