Second Affiliated Hospital, Sun Yat-Sen University
Third Affiliated Hospital, Sun Yat-Sen University
Dongguan People's Hospital
Age
40–80
Sex
ALL
Healthy volunteers
Not accepted
You may be eligible if
clinically stable, hypercapnic GOLD stage IV COPD, aged 18 years or older, baseline arterial carbon dioxide pressure (PaCO2) of 6.7 kPa (50 mmHg) or higher and a pH higher than 7·35, measured after at least 1 h rest in a sitting position.
You may not be if
thorax or the lung other than COPD
No smoking or Cigarette≤10/day
obesity with a bodymass index (BMI) ≥40 kg/m²
malignant co-morbidities,severe heart failure (New York Heart Association stage IV),unstable angina, and severe arrhythmias.
Clareo Health | Non-invasive Positive Pressure (NPPV ) for Severe Stable Chronic Obstructive Pulmonary Disease
