hypoxemia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Adult patients (over 18 years old) undergoing elective tracheal intubation under general anesthesia.
Exclusion criteria
Exclusion criteria: 1. Patients with high risk of reflux aspiration (emergency department, pregnant women, gastroesophageal reflux, etc.); 2. Patients who cannot wear the face or upper respiratory tract trauma; 3. Severely blocked nasal cavity.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Incidence of hypoxemia; | — |
Secondary
| Measure | Time frame |
|---|---|
| Lowest oxygen saturation;Preoperative oxygen saturation at room air;Oxygen saturation after preoxygenation;Oxygen saturation 5 minutes after endotracheal intubation;Tracheal intubation duration;Tracheal intubation times;Tracheal intubation complications; | — |
Countries
China
Contacts
Peking Union Medical College Hospital, People's Hospital of the Tibet Autonomous Region