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慢性阻塞性肺病 (COPD)为慢性的呼吸气流受阻性疾患 ,其病变常呈进行性而不可逆 ,并常与对有害刺激发生的异常炎性反应有关。估计全世界至少有 5 2 0 0万名COPD患者 ,成为第 4位致死病因和第12位致病原因。COPD急性加重 (AECOPD)时的表现为明显气短和痰量增多或有脓痰。COPD患
Chronic obstructive pulmonary disease (COPD) is a chronic obstructive airway disease that is often progressive and irreversible and is often associated with an abnormal inflammatory response to a noxious stimulus. It is estimated that at least 52 million COPD patients worldwide are the fourth leading cause of death and the 12th cause of death. COPD acute exacerbation (AECOPD) when the performance of shortness of breath and sputum increased or purulent sputum. COPD patients