就这些病人而言，重症肺炎通常与其他器官的衰竭或者原有哮喘或慢性阻塞性呼吸道疾病的急剧恶化相关。
In these patients, severe pneumonia is often associated with failure of other organs, or marked worsening of underlying asthma or chronic obstructive airway disease.
患者中的三组进行了测试：110名健康人，60例肺癌和慢性阻塞性肺疾病50，肺部呼吸道变窄。
Three groups of patients were tested: 110 healthy people, 60 with lung cancer and 50 with chronic obstructive pulmonary disease, a narrowing of the airways of the lungs.
目的寻找一种快速准确的收集慢性阻塞性肺疾病(COPD)患者下呼吸道痰液的方法，并探讨其安全性。
Objective To evaluate the safety and effectiveness of a sputum collection method in patients with chronic obstructive pulmonary disease (COPD).
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