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慢性阻塞性肺疾病(COPD)是以进行性不完全可逆的气流阻塞为特征的疾病. COPD 急性加重更是导致患者死亡和致残的主要原因. 经大量临床试验证实,在对 COPD患者进行抗感染、氧疗、祛痰、舒张支气管等基础治疗的基础上,加用糖皮质激素可显著改善患者的临床症状,加快病情好转,缩短住院时间,减少急性加重发作的频率,提高生活质量.“,”Chronic obstructive pulmonary disease ( COPD ) is a progressive disease characterized by incompletely reversible airflow restriction.And acute exacerbation chronic obstructive pulmonary disease ( AECOPD) is the major cause of mortality and disability of the patients .A large number of clinical trials on COPD have confirmed that on the basis of anti-infection treatment,oxygen therapy,expectorant,bronchodila-tor,etc, additional application of inhaled corticosteroids can significantly relieve the symptoms , accelerate condition improvement,shorten the duration of hospital stay,decrease the frequancy of recurrent exacerbations and improve the quality of life in patients with COPD .