从目前国内、外研究资料来看,植物神经系统紊乱和过敏是喘息型慢性支气管炎和哮喘发病机制中的二个主要方面。在植物神经系统紊乱方面,目前多认为是由于β肾上腺素受体功能低下所致,但近年来也有一些学者提出α肾上腺素受体兴奋与哮喘发作有关。根据国内外一些报导,如阿托品类药 From the current domestic and foreign research data, autonomic nervous system disorders and allergies are two major aspects of the pathogenesis of asthmatic chronic bronchitis and asthma. In the disorder of the autonomic nervous system, it is currently considered to be due to the low beta adrenergic receptor function, but in recent years, some scholars have also suggested that the alpha adrenergic receptor excitability is related to the asthma attack. According to some reports at home and abroad, such as atropine drugs