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咳嗽变异型哮喘(CVA)是一种以慢性咳嗽为主要症状的不典型哮喘。目前有关CVA的病理生理学研究发现,CVA患者具有与典型哮喘相似的气道病理生理改变,包括气道壁嗜酸性粒细胞为主的炎细胞浸润、气道高反应性及气道重塑等,因此,使用吸入糖皮质激素(ICS)早期干预治疗可改善CVA的预后,防止其迁延发展为典型哮喘。2007年1月至
Cough variant asthma (CVA) is an atypical asthma characterized by chronic cough. The current CVA pathophysiology study found that CVA patients with typical asthma and airway pathophysiological changes, including airway wall eosinophil-based inflammatory cell infiltration, airway hyperresponsiveness and airway remodeling, etc., Therefore, early intervention with inhaled glucocorticoid (ICS) may improve the prognosis of CVA and prevent it from developing into typical asthma. From January 2007 to