Disease of respiratory system
Conditions
Interventions
Normal frequency ventilation group (J60 group):Jet ventilation was performed at a frequency of 60 beats/min
High frequency ventilation group (J200 group):Jet ventilation was performed at a frequency of 200 times/min
Normal frequency plus high frequency ventilation group (J12+200 group):The normal frequency is 12 times /min, the high frequency is 200 times /min, and the high frequency driving pressure is 0.15kPa f
Sponsors
Affiliated Hospital of Xuzhou Medical University
Eligibility
Sex/Gender
All
Age
18 Years to 70 Years
Inclusion criteria
Inclusion criteria: 1. Age 18-70 years old, gender is not limited; 2. American Society of Anesthesiologists (ASA) grade I to III; 3. Body mass index (BMI) 18.0 ~ 28 kg /m2; 4. Hard tracheoscopy (biopsy, electrocoagulation, freezing, tumor resection, stent implantation, etc.) was performed; 5.Informed consent of patients and their families.
Exclusion criteria
Exclusion criteria: 1. Acute hemorrhage in larynx and trachea; 2. Acute respiratory infection; 3. Active pulmonary tuberculosis; 4. Patients who cannot be put into rigid tracheoscopes due to head backward limitation; 5. Serious cardiovascular and cerebrovascular diseases, cardiac pacemakers, ICD, serious mental diseases.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Arterial partial pressure of oxygen;Oxygenation index;Partial pressure of carbon dioxide in artery; | — |
Secondary
| Measure | Time frame |
|---|---|
| Peak inspiratory pressure;Mean inspiratory pressure;Pulmonary impedance value; | — |
Countries
China
Contacts
Public ContactZhiping Wang
Affiliated Hospital of Xuzhou Medical University
Outcome results
None listed