经气道给药是治疗哮喘的有效方法。但潮气量过小,气道阻塞严重,呼吸频率过低,哮喘持续状态等病人,因吸气时间短及吸气动力小,常用超声、射流雾化及含抛射剂的雾化器均难以使药物到达下气道,无法控制哮喘发作。作者应用喉头喷雾器给药,治疗常规疗法不能控制的危重哮喘病人,疗效良好。 Administration via the airway is an effective method of treating asthma. But the tidal volume is too small, severe airway obstruction, respiratory rate is too low, asthma persistence and other patients, due to short inspiratory time and inspiratory motivation, commonly used ultrasound, jet atomization and propellant-containing nebulizer are difficult to make The drug reaches the lower airway and can not control the asthma attack. The application of laryngeal sprayer, the treatment of conventional therapy can not control the critically ill patients with asthma, good effect.