painless fiberoptic bronchoscopy,Respiratory related diseases
Conditions
Interventions
High frequency injection through oropharyngeal airway group (Group O):High frequency ventilation via oropharyngeal airway
high frequency injection through laryngeal mask group (Group L):High frequency ventilation via laryngeal mask
Sponsors
The First Hospital of Jiaxing
Eligibility
Sex/Gender
All
Age
18 Years to No maximum
Inclusion criteria
Inclusion criteria: 1. ASA Grade I - III; 2. Patients undergoing painless bronchoscopy at selected time; 3. Age 18 years old and above; 4. BMI 18~30 kg/m^2; 5. Agree to participate in the study and sign the informed consent.
Exclusion criteria
Exclusion criteria: 1. Patients with severe pulmonary bulla or pneumothorax; 2. Previous lobectomy and tracheal stenosis greater than 50%; 3. Patients with pulse oxygen saturation (SpO2) lower than 90% while inhaling air; 4. Previous asthma; 5. Massive hemoptysis or coagulation dysfunction; 6. Patients with a history of myocardial infarction, uncontrolled hypertension and severe arrhythmia in the past six months; 7. Severe liver and kidney dysfunction; 8. History of nasopharyngeal surgery and nasal deformity; 9. Pregnancy; 10. Allergic to propofol and other narcotic drugs; 11. Participated in other clinical studies within the past 3 months.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Incidence of hypoxemia; | — |
Secondary
| Measure | Time frame |
|---|---|
| Incidence of severe hypoxemia;Duration of hypoxemia (seconds) and minimum SpO2 value.;Proportion requiring emergency airway management;Incidence of other adverse events;Bronchoscopy time;Recovery time; | — |
Countries
China
Contacts
Public ContactLi Zhenping
The First Hospital of Jiaxing
Outcome results
None listed