Chronic obstructive pulmonary disease
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.Clinical diagnosis: Chronic Obstructive Pulmonary Disease; 2.Use of inhalation device for >= 30 days; 3.Voluntarily participate in the questionnaire survey and sign the informed consent form.
Exclusion criteria
Exclusion criteria: 1.Those with severe symptoms of heart, liver, kidney, blood, or nervous system diseases who are unable to cooperate with the investigators; 2.Pregnant women, women planning to become pregnant, or lactating women.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Whether the device is used correctly; | — |
Countries
China
Contacts
The Third Affiliated Hosptial of ChongQing Medical University