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支气管舒张剂雾化吸入广泛地用以治疗支气管哮喘并有一定的疗效,但需用多少剂量才对气道发生最大效果,文献报告很少。本实验的目的是探索哮喘患者吸入异丙基肾上腺素对气道产生最大效果的最小剂量。实验分二组,采用双盲法随机分组。第一组12例患者在诊所吸入0.02毫克异丙基肾上腺素前和10分钟后,用Wright流速仪分别测定最大呼气流速升/分(Peak expiratory flow rate)。第二组11例患者在家
Bronchodilator inhalation is widely used to treat bronchial asthma and have a certain effect, but how many doses need to have the greatest effect on the airways, the literature reports few. The purpose of this experiment was to explore the minimum dose of inhaled isoproterenol for maximum airway effects in asthmatic patients. The experiment was divided into two groups, randomized by double-blind method. The first group of 12 patients measured peak expiratory flow rate separately using a Wright meter before and after inhaling 0.02 mg of isoproterenol at the clinic. The second group of 11 patients were at home