支气管哮喘是在支气管高反应状态下,由变应原或其它因素引起的广泛气道狭窄的疾病,俗称气喘病、吼病。临床表现为反复发作带有哮鸣音的呼气性呼吸困难。大多好发于秋、冬季。任何年龄均可发病,约20％的病人有家族史。如及早进行合理治疗,可减轻发作或痊愈;如哮喘反复发作而加重,可出现气胸、肺心病、心功能不全等并发症,则预后较差。 Bronchial asthma in the bronchial hyperresponsiveness, by the allergen or other factors caused by extensive airway stenosis, commonly known as asthma, roar disease. Clinical manifestations of recurrent wheeze exhaled breathing difficulties. Mostly made in autumn and winter. Any age can be onset, about 20% of patients have a family history. Such as early rational treatment can reduce the onset or cure; such as repeated episodes of asthma and aggravate pneumoconiosis, pulmonary heart disease, heart failure and other complications, the prognosis is poor.