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根据大家发表的意见,仅就职业性哮喘的诊断问题,作几点说明。 一、职业性哮喘的类型 职业性哮喘目前大多按病因分类,即①变应性哮喘,由职业性变应原引起的哮喘,在临床上有明显的变态反应特征,多属IgE介导的速发反应,占职业性哮喘的大多数,如铂和青霉素所致哮喘具有代表性。②药理性哮喘:如棉、麻尘可使肺组织释放组胺而引起支气管收缩。有机磷农药使乙酰胆碱积聚而产生支气管收缩。异氰酸酯也可有阻断β-肾上腺能受
According to the opinions expressed by everyone, only on the diagnosis of occupational asthma, make a few notes. First, the type of occupational asthma Occupational asthma are mostly classified according to cause, namely ① allergic asthma, caused by occupational allergens asthma, clinically significant allergic reaction characteristics, mostly IgE-mediated speed The reaction, accounting for the majority of occupational asthma, such as platinum and penicillin-induced asthma is representative. ② pharmacological asthma: such as cotton, dust can make histamine release of lung tissue caused bronchoconstriction. Organophosphorus pesticides accumulate acetylcholine to produce bronchoconstriction. Isocyanates can also block beta-adrenergic receptors