Respiratory diseases
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.Age = 18 years. 2.American Society of Anesthesiologists (ASA) physical status classification of I to III 3.Scheduled for elective fiberoptic bronchoscopy (FOB) under intravenous general anesthesia . 4.Voluntary participation and provision of signed informed consent.
Exclusion criteria
Exclusion criteria: 1.Severe cardiopulmonary insufficiency. 2.Uncorrectable coagulation disorders. 3.Severe hepatic or renal disease. 4.Acute exacerbation of asthma. 5.Increased intracranial pressure or impaired consciousness. 6.Allergy to anesthetic drugs. 7.Pregnancy. 8.Peripheral oxygen saturation (SpO2) < 90% while breathing room air preoperatively. 9.Conditions such as trismus, history of nasopharyngeal surgery, nasal deformity, etc. 10.Refusal to sign the informed consent form.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Incidence and duration of intraoperative hypoxemia (SpO2 < 90%).; | — |
Secondary
| Measure | Time frame |
|---|---|
| Incidence and duration of severe hypoxemia (SPO2 < 60%).;Use of antagonists;Incidence of procedure termination;Positive pressure oxygen administration; | — |
Countries
China
Contacts
Foshan Hospital of Traditional Chinese Medicine?