支气管哮嘴 (Asthma 哈尔滨医科大学临床第一医院 呼吸内科张一梅
支 气 管 哮 喘 (Asthma ) 哈尔滨医科大学临床第一医院 呼吸内科 张一梅
a chronic Inflammatory di sorder o the airways STHM Clinical Pearls in Nutritien
A chronic inflammatory disorder of the airways
Characterized b episodic airway narrowing 2 increased reactivity 3、 pharmacologic and spontanoud reversibility
⚫Characterized by 1、episodic airway narrowing 2、 increased reactivity 3、 pharmacologic and spontanoud reversibility
o The classic triad of symptoms I Episodic expiratory dyspnea persistent wheeze 3、 Chronic coug h o Other associated symptoms I chest pain or tightness 2、 sputum production
⚫ The classic triad of symptoms: ⚫ 1、Episodic expiratory dyspnea ⚫ 2、persistent wheeze ⚫ 3、Chronic cough ⚫ Other associated symptoms: ⚫ 1、chest pain or tightness ⚫ 2、sputum production
←不可逆性狭窄 气道重塑两 OURS
不可逆性狭窄 气道重塑
仝球哮喘防治创议 (GINA) Global Initiative for asthma
全球哮喘防治创议 (GINA) ⚫ Global Initiative for Asthma
流行病学( Epidemiology) ● Incidence:1-13 1-4 in China 5--10% in USA
流行病学(Epidemiology) ⚫Incidence:1-13% ⚫ 1—4% in China ⚫ 5—10% in USA
病因和发病机制 (Aetiology and Pathogenesis NOT VERY CLEAR ● Genetic factors: o Environmental factors
病因和发病机制 (Aetiology and Pathogenesis) NOT VERY CLEAR ⚫ Genetic factors : ⚫ Environmental factors:
哮喘发病机制示意囹 环境因素 遗传易感个体 炎症细胞、细胞因子 神经调节失衡、上皮细胞 及炎症介质相互作用 气道平滑肌结构功能异 气道炎症 气道高反应性 环境激发因子 症状性哮喘
哮喘发病机制示意图 环境因素 遗传易感个体 炎症细胞、细胞因子 及炎症介质相互作用 神经调节失衡、上皮细胞 及气道平滑肌结构功能异常 气道炎症 气道高反应性 症状性哮喘 环境激发因子
Precipitating factors Virus At tmos Others H ouse aus Cigarette parainfluenza B-blockers Cold air smoKing Flour, VirusEs ozone emotion pollen aspirin Animal syncytial Sulphur umes danders rhinovirus dioxide grain particulates exercise mycetes Occupation
Precipitating factors Virus Atmos drugs Others House dust mite parainfluenza Cigarette smoking B-blockers Cold air Flour, pollen VirusRes ozone aspirin emotion Snimal danders Syncytial rhinovirus Sulphur dioxide Fumes grain particulates exercise mycetes Occupation