Hypoxemia
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Gender is not limited, age 18-64 years old, BMI 18.0-28.0 kg/m2; 2. ASA class I or II, heart function class I or II; 3. No contraindication for nasal intubation, no hypoxia or carbon dioxide accumulation before operation.
Exclusion criteria
Exclusion criteria: 1. Those with severe cardiopulmonary insufficiency; those who have not fasted or have a full stomach; 2. Severe coagulation dysfunction, bleeding tendency or during anticoagulant treatment; 3. Nasal polyps, nasopharyngeal tumors, hemangiomas and obstruction; 4. Severe maxillary trauma or skull base fracture; 5. People who are allergic to general anesthesia drugs or who refuse to accept this technique.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Arterial partial pressure of oxygen;Arterial partial pressure of Carbon dioxide; | — |
Secondary
| Measure | Time frame |
|---|---|
| Wake up of time;Dosage of dexmedetomidine;Remifentanil dosage;Dosage of propofol;Complications and adverse reactions; | — |
Countries
China
Contacts
The First Hospital of Jiaxing