hypoxemia
Conditions
Interventions
Experimental group1:Oxygen with nasal mask
Experimental group2:nasal cannula oxygen
Sponsors
Beijing Friendship Hospital, Capital Medical University
Eligibility
Sex/Gender
Male
Age
18 Years to 65 Years
Inclusion criteria
Inclusion criteria: 1. Aged 18 to 65 years; 2. ASA III grade; 3. General anesthesia without intubation is planned; 4. The intended operation is "gastroscopy".
Exclusion criteria
Exclusion criteria: 1. Pregnant or breastfeeding women; 2. Recent history of rhinitis, epistaxis, pharyngitis, glossitis, cheilitis, oral ulcer; 3. Endoscopic operation for large mucosal resection or vascular ligation; 4. The endoscopic process requires a lot of water injection; 5. Endoscopy time is more than 1 hour; 6. The patient has severe cardiopulmonary disease.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| pulse oximetry; | — |
Secondary
| Measure | Time frame |
|---|---|
| Minimum pulse oximetry duration;Number of hypoxia;Nasopharyngeal symptoms; | — |
Countries
China
Contacts
Public ContactWei Wei
Beijing Friendship Hospital, Capital Medical University
Outcome results
None listed