Chronic Obstructive Pulmonary Disease (COPD)
Conditions
Interventions
N95 mask group:In the first stage, the subjects in this group wearing N95 masks to complete the test. After a 24-hour washout period, the subjects in this group wearing surgical masks in the second st
Surgical mask group:In the first stage, the subjects in this group wearing surgical masks to complete the test. After a 24-hour washout period, the subjects in this group wearing N95 masks in the seco
Sponsors
Department of Respiratory and Critical Care Medicine, General Hospital of Xinjiang Military Region
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. Pulmonary function examination was performed and COPD patients were diagnosed as stable according to GOLD grading criteria. 2. Aged 18-80 years. 3. Sufficient physical activity to permit unassisted walking.
Exclusion criteria
Exclusion criteria: 1. Severe respiratory failure with long-term oxygen therapy requires mechanical ventilation; 2. Severe liver and kidney failure; 3. History of acute cardiovascular and cerebrovascular events within 2 months; 4. Have a malignant tumor; 5. Patients with mental disorders; 6. Pregnant patients.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| partial pressure of CO2;oxygen partial pressure;blood pH;systolic blood pressure;diastolic blood pressure;oxygen saturation;Borg scale score;heart rate;respiratory frequency;hypoxemia;hypercapnia;subjective discomfort (dizziness, headache, dyspnea, fatigue); | — |
Countries
China
Contacts
Public ContactJiang Peng
Outcome results
None listed