Airway stenosis
Conditions
Interventions
Group L1:Myer-Cotton I degree, LFJV (low-frequency jet ventilation)
Group L2:Myer-Cotton II degree, LFJV
Group SH1:Myer-Cotton I degree, SHFJV (superimposed high frequency jet ventilation)
Group SH2:Myer-Cotton II degree, SHFJV
Sponsors
Beijing Chaoyang Emergency General Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 60 Years
Inclusion criteria
Inclusion criteria: 1. Aged 18 to 60 years, no gender limitation; 2. Patients with scar stenosis after endotracheal intubation or tracheotomy; 3. 18.5 kg/m^2 <= BMI <= 27.9 kg/m^2; 4. ASA I-III; 5. Voluntarily participate in this study and sign informed consent.
Exclusion criteria
Exclusion criteria: 1. Preoperative supine position was not allowed, SpO2 < 90%; 2. Bronchial involvement; 3. Severe organ system diseases and severe mental diseases were complicated before surgery; 4. Patients considered unsuitable for this study by the researcher.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Percentage of dorsal ventilation; | — |
Secondary
| Measure | Time frame |
|---|---|
| ROI (region of interest);?EELI (End-Expiratory-Lung Impedance);MAP (mean artery pressure);Heart rate;SpO2;Artery Blood Gas; | — |
Countries
China
Contacts
Public ContactXu Jing
Department of Anesthesiology, Chaoyang Emergency General Hospital of Beijing
Outcome results
None listed