chronic obstructive pulmonary disease
Conditions
Interventions
Experimental group:Inhaler training education including PIFr optimization and EIT (Pulmonary Electrical Impedance Imaging Machine)-based
Control group:Inhaler use education is given face-to-face based on physician experience
Sponsors
The Fourth Military Medical University, 986th Hospital of Air Force
Eligibility
Sex/Gender
All
Age
40 Years to No maximum
Inclusion criteria
Inclusion criteria: Inclusion criteria: 1. Age >=40 years old; Smoking history >=20 pack-years; 2. The airflow is blocked after inhaling the branch expander (FEV 1/VC is less than 0.7); 3. Stable patients with symptoms consistent with COPD (dyspnea, cough, phlegm) who are being treated with DIP; 4. Expected survival >=12 weeks;
Exclusion criteria
Exclusion criteria: Exclusion criteria: 1. Respiratory symptoms that include other causes, such as pulmonary embolism, congestive heart failure, worsening interstitial lung disease, pneumonia or pneumothorax; 2. Patients with serious basic diseases of important organs such as heart, lung, liver and kidney; 3. Cardiovascular and cerebrovascular events, such as acute cerebral infarction and acute coronary syndrome, occurred within 6 months before entering the study, and cardiovascular clinical symptoms or diseases were not well controlled; (1) New York Heart Association (NYHA) Grade 2 or higher heart failure; (2) LVEF (left ventricular ejection fraction) was < 50% by heart color ultrasonography; (3) Unstable angina; (4) supraventricular or ventricular arrhythmias that are clinically significant and require treatment or intervention. 4. Known history of psychotropic substance abuse or drug use; 5. There are other abnormalities that may increase the risk of participation or interfere with the study results, as well as patients deemed unsuitable for participation by the investigator.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Readmission rates for AECOPD; | — |
Secondary
| Measure | Time frame |
|---|---|
| COPD test score;Error rate of suction device use;Satisfaction with the suction device;All-cause mortality;Length of stay;FEV1/FVC abnormal area; | — |
Countries
China
Contacts
Public ContactZhao Ke
The Fourth Military Medical University, 986th Hospital of Air Force
Outcome results
None listed