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支气管哮喘是一种慢性非特异性气道炎症,以气道高反应为特征,重症支气管哮喘表现为呼吸困难突然加重或在原有哮喘的基础上进行性加重,危及生命,在保守治疗无效的情况下,气管插管机械通气是必要的抢救手段,但因病情恶化迅速,气管插管相对滞后或插管时间过长易导致治疗的延误[1]
Bronchial asthma is a chronic non-specific airway inflammation, characterized by airway hyperresponsiveness, severe bronchial asthma manifested as sudden increase in dyspnea or progressive increase in the original asthma, life-threatening, in the case of conservative treatment is invalid , Endotracheal intubation mechanical ventilation is necessary rescue measures, but due to the rapid deterioration of the condition, the relative lag of tracheal intubation or intubation time lead to treatment delays [1]