近十年以来 ,哮喘与变应性鼻炎的患病率有明显增加趋势。此外因哮喘所致死亡率亦有上升趋势。变态反应性炎症过程在此类疾病的发展中起着重要作用。例如 ,机体接触致敏原后 ,体内有炎症反应的发生。在机体的损害部位 ,有液体及血细胞聚积。对哮喘病人的病理检查结果表明 ,在气道炎性渗出物中含有多种细胞 ,主要是嗜酸性粒细胞 ,也包括嗜中性粒细胞、淋巴细胞及单核细胞。 Over the past decade, the prevalence of asthma and allergic rhinitis has increased significantly. In addition, the mortality rate due to asthma is also on the rise. The process of allergic inflammation plays an important role in the development of such diseases. For example, the body after exposure to allergens, the body has an inflammatory reaction. Damage in the body parts, there is accumulation of liquid and blood cells. The pathological examination of asthmatic patients showed that the airway inflammatory exudates contained a variety of cells, mainly eosinophils but also neutrophils, lymphocytes and monocytes.