[1]Department of Critical Care Medicine;
the Seconde Affiliated Hospital of Xingtai Medical College in Hebei Province;
Xingtai City;
Hebei Province;
054001;
[1]Department of Critical Care Medicine;
the Seconde Affiliated Hospital of Xingtai Medical College in Hebei Province;
Xingtai City;
Hebei Province;
054001;
[1]Department of Critical Care Medicine;
the Seconde Affiliated Hospital of Xingtai Medical College in Hebei Province;
Xingtai City;
Hebei Province;
054001;
COPD; Severe pneumonia; Non-invasive positive pressure; ventilation; Lung lavage via fiber bronchoscope;