小儿呼吸道疾病.ppt

文档介绍：BronchialAsthma支气管哮喘简介哮喘是一种全球性的慢性疾患全球:逾3亿哮喘患者我国:逾2千万哮喘患者儿童:%~%哮喘患病率及死亡率仍有上升趋势★★★★★GINAlobalitiativeforsthmaGINA简介简介世界哮喘病日WorldAsthmaDayWorldAsthmaDay2005:anizedbytheGlobalInitiativeforAsthma(GINA)'s2004"HealthyHome;HealthyLungs":是以气道内炎症、反应性增加(同时气道对通常称为哮喘诱发因素的各种过敏原)的为特点的一种慢性呼吸道疾病。气道慢性炎症可逆性的气道阻塞/气流受阻正常的支气管黏膜异常的支气管黏膜DefinitionofAsthmaAsthmaisachronicinflammatorydisorderoftheairwaysinwhichmanycellsandcellularelementsplayaroleChronicinflammationleadstorecurrentepisodesofwheezing,breathlessness,chesttightness,andcoughing,particularlyatnightorintheearlymorning