Saves the questions and what to expect into your notes, next to the visit they belong to.
Keep this study
Lead
Beijing YouAn Hospital
Age
18–any
Sex
ALL
Healthy volunteers
Not accepted
You may be eligible if
All subjects included in the study met the diagnostic criteria for AECOPD in the Global Initiative for Chronic Obstructive Pulmonary Disease (2014 Update);
Age \> 18 years old;
All patients met the diagnostic criteria for type II respiratory failure in the eighth edition of ' Internal Medicine ', that was, arterial blood PaO2 \< 50mmHg;
The patient was conscious, without myocardial infarction, acute stroke, severe liver and kidney dysfunction, severe coagulation dysfunction and other diseases;
The patient did not have life-threatening hypoxemia and severe hemodynamic instability, and did not need tracheal intubation or tracheotomy;
Patients can cooperate with pulmonary function tests.
You may not be if
Patients with pneumothorax, mediastinal emphysema or severe thoracic deformity;
Patients with bronchial asthma, interstitial pneumonia and other diseases;
Patients with coma and disturbance of consciousness;
The upper respiratory tract or facial injury and facial deformity, can not wear a good nose (face) mask;
Patients with septic shock or severe heart, kidney, liver and other diseases;
Sputum and sticky, unable to expectoration or prone to aspiration caused by airway obstruction.
Automatic discharge or transfer, or due to non-respiratory serious diseases (including non-invasive ventilator complications, non-invasive ventilation treatment ineffective need to be changed to invasive ventilation), termination of the study patients.
