Objective To observe the changes of ventilation and respiratory dynamics in patients undergoing bronchialintubation with double channel catheter and monitored by Side Stream Spirometry(SSS).
目的应用旁气流通气监测法（SSS）观察双腔支气管导管插管患者围术期呼吸功能变化。
2
A sufficient depth of anesthesia before intubation of the trachea of a person with bronchial asthma minimizes the risk of hyperreactive airway reflexes leading to bronchospasm.