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什么叫哮喘病?简单地讲病人自述喘息,医生能听到哮鸣音,就称为哮喘。现代医学认为哮喘是一种由多种炎症细胞参与的气道慢性非特异性炎症,引起气道高反应性并有气道明显收缩,表现为反复发作的喘息,呼气性呼吸困难,胸闷或咳嗽等症状,一年四季均可发作,冬春加重,我国的发病率为1％～4％。 哮喘病的原因还不十分清楚,但大多数认为哮喘是与多基因遗传有关的疾病,即受遗传因素和环境因素的双重影响。在发病过程中变态反应,气道炎症,气道高反应性,神经机制等都参与其过程。各种年龄的人都可得哮喘病,老年人也可得哮喘病,但多数是喘
What is asthma? Simply speaking patients breathe, the doctor can hear wheezing, it is called asthma. Modern medicine that asthma is a chronic non-specific inflammation of the airways involving a variety of inflammatory cells, causing airway hyperresponsiveness and significant airway constriction, manifested as recurrent wheezing, expired breathing difficulties, chest tightness or cough And other symptoms, can be seizures throughout the year, winter and spring increased, the incidence of 1% to 4%. The cause of asthma is not yet clear, but most people think that asthma is a polygenic hereditary disease, that is, both genetic and environmental factors. In the pathogenesis of allergic reactions, airway inflammation, airway hyperresponsiveness, neural mechanisms are involved in the process. People of all ages have asthma and older people have asthma, but most are asthmatic