airway obstruction or stenosis
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Airway obstruction or stenosis caused by any cause, degree of shortness of breath 4 (according to the American Thoracic Society rating method, the gas is divided into 0 to 4). Level 0: Normal; Level 1: Shortness of breath when walking fast; Level 2: Shortness of breath when walking at normal speed; Level 3: Stopping due to shortness of breath when walking at normal speed; Level 4: Shortness of breath when there is slight activity.
Exclusion criteria
Exclusion criteria: Atherosclerosis, thrombosis, severe bleeding tendency, shock, hemorrhagic disease, irreversible central nervous system disease
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| mortality; | — |
Countries
China
Contacts
Sichuan Provincial People's Hospital