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单词 Chronic Obstructive Lung Disease
释义

Chronic Obstructive Lung Disease

中文百科

慢性阻塞性肺病 Chronic obstructive pulmonary disease

(重定向自Chronic Obstructive Lung Disease)
Percentage of females smoking tobacco as of the late 1990s early 2000sPercentage of males smoking tobacco as of the late 1990s early 2000s. Note the scales used for females and males differ.[22]

慢性阻塞性肺病英语:chronic obstructive pulmonary disease,缩写为COPD), 亦可称为慢性阻塞性肺炎COLD)或慢性阻塞性呼吸道疾病COAD),常简称为慢阻肺。COPD是阻塞性肺炎的一种,主要表现为持续性的气流受限,病情会随着时间推移而加重。 COPD的主要症状包括呼吸短促、咳嗽和喀痰。许多慢性支气管炎的病人同时也是患有慢性阻塞性肺病。

吸烟是导致慢性阻塞性肺病的主要原因。其他相对次要的因素包括空气污染、二手烟和遗传等。在发展中国家,导致空气污染最常见的原因是烹煮及供暖炉火的通风不良。长期暴露在这様的环境下,会使肺部产生炎症反应,并导致气流信道变窄及肺组织功能障碍,即肺气肿。 这一诊断是以肺功能测试所给出的空气流通不良为准.。肺气肿与哮喘有所不同:哮喘可透过药物治疗改善,而肺气肿即使在药物治疗的帮助下,气流减少也不会有明显改善。

英语百科

Chronic obstructive pulmonary disease 慢性阻塞性肺病

(重定向自Chronic Obstructive Lung Disease)
Percentage of females smoking tobacco as of the late 1990s early 2000sPercentage of males smoking tobacco as of the late 1990s and early 2000s. Note the scales used for females and males differ.[28]
On the left is a diagram of the lungs and airways with an inset showing a detailed cross-section of normal bronchioles and alveoli. On the right is lungs damaged by COPD with an inset showing a cross-section of damaged bronchioles and alveoli.

Chronic obstructive pulmonary disease (COPD) is a type of obstructive lung disease characterized by long term poor airflow. The main symptoms include shortness of breath and cough with sputum production. COPD typically worsens over time. Eventually walking up stairs or carrying things will be difficult. Chronic bronchitis and emphysema are older terms used for different types of COPD. Chronic bronchitis is still used to define a productive cough that is present for at least three months each year for two years.

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