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慢性阻塞性肺疾病(慢阻肺)是一种常见的具有气流受限特征的疾病,气流受限不完全可逆、呈进行性发展。慢阻肺的发生与肺部对有害颗粒或有害气体的慢性非特异性的气道炎症性反应有关。长期吸烟或者接触有毒气体或污染的空气的人,以及儿童时期曾患有重度下呼吸道感染或反复发生肺、支气管感染者,容易发生慢阻肺。
Chronic obstructive pulmonary disease (COPD) is a common disease characterized by limited air flow, with limited and irreversible airflow limitation and progressive development. Chronic obstructive pulmonary disease occurs in the lungs with chronic nonspecific airway inflammatory responses to harmful particles or noxious gases. Long-term smoking or exposure to toxic gases or polluted air, as well as children who had severe lower respiratory tract infection or recurrent pulmonary and bronchial infections, prone to chronic obstructive pulmonary disease.