结果发现2 3例患者粘稠痰液阻塞一侧主支气管或叶支气管，为阻塞性肺不张；

Results Unilateral bronchus or lobar bronchus was obstructed by thick sputum in 23 patients, where the atelectasis was obstructive.

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目的：观察雾化吸入盐酸氨溴索对慢性阻塞性肺病（COPD）急性发作期患者痰液理化性质的影响。

Objective: To investigate the influence of ambroxol hydrochloride for atomizing inhalation on the phlegm liquid and to explore a new way to treat chronic obstructive pulmonary disease (COPD).

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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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