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支气管哮喘是由可逆性气道狭窄引起的阵发性呼吸困难,出现哮喘、咳嗽、咳痰等。气道收缩是由于气道的平滑肌收缩、粘膜肿胀、分泌亢进及分泌物排出不全等引起。气道过敏性是哮喘特有的病理学异常,对正常人不起反应的轻微刺激即可引起患者气道收缩造成狭窄,气道过敏性是肺自主神经异常(原发性气道过敏)和气道粘膜发生炎症,进一步提高气道过敏性(继发性气道过敏)引起的。 哮喘的治疗首先要避免引起气道收缩的刺激,其次要避免气道炎症,预防继发气道过敏性的因素。
Bronchial asthma is caused by the reversible airway stenosis paroxysmal dyspnea, asthma, cough, sputum and so on. Airway contraction is due to airway smooth muscle contraction, mucosal swelling, hypersecretion and discharge caused by incomplete discharge. Airway anaphylaxis is a unique pathological abnormality of asthma, mild irritation to normal people can cause narrowing of the airway caused by narrowing, airway allergy is an abnormality of the lungs (primary airway allergy) and airway Mucosal inflammation occurs, to further improve airway allergy (secondary airway allergy) caused. First of all, the treatment of asthma to avoid causing irritation of airway contraction, followed to avoid airway inflammation, prevention of secondary airway allergy factors.