Objective: to estimate the efficacy of noninvasive ventilation via face mask in severe respiratory failure (SRF) caused by chronic obstructive pulmonary disease (COPD), and observe its complications.
目的探讨无创面罩通气对慢性阻塞性肺疾病(COPD)引起的重度呼吸衰竭的疗效，并观察其并发症。
Pulmonary disease, chronic obstructive; Noninvasive positive pressure ventilation; Respiratory failure; Conscious disturbance.
肺疾病，慢性阻塞性；无创正压通气；呼吸衰竭；意识障碍。
Among 102 chronic obstructive pulmonary disease (COPD) patients with acute respiratory failure 48 patients died, a mortality of 47.1%.
经机械呼吸治疗的慢性阻塞性肺疾病(COPD)呼吸衰竭102例中死亡48例，病死率47.1%。
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