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什么是慢性阻塞性肺病慢性阻塞性肺病(简称慢阻肺,COPD)是一种可以预防和治疗的呼吸系统常见病,特征是持续性气流受限,常呈进行性发展,伴有害颗粒或气体所致的气道和肺的慢性炎症。慢阻肺包括具有气流阻塞的慢性支气管炎和肺气肿。慢性支气管炎是指慢性咳嗽咳痰,每年持续3个月、连续2年,并除外引起慢性咳嗽咳痰的其他原因。肺气肿病理定义为终末细支气管远端的气腔永久性扩张,伴有肺泡壁破坏而没有明显纤维
What is chronic obstructive pulmonary disease Chronic obstructive pulmonary disease (COPD) is a common disease that can be prevented and treated by the respiratory system, characterized by persistent airflow limitation, often progressive development, associated with harmful particles or gases Chronic inflammation of the airways and lungs. Chronic obstructive pulmonary disease includes chronic bronchitis and emphysema with airflow obstruction. Chronic bronchitis refers to chronic cough and expectoration, which lasts for 3 months each year for 2 consecutive years and excludes other causes of chronic cough and expectoration. The pathology of emphysema is defined as the permanent expansion of the air space distal to the terminal bronchioles accompanied by disruption of the alveolar wall without obvious fibers