Hyoxemia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Select painless gastroenteroscopy and SB questionnaire score >= 3; 2. Age >= 18 years old; 3. ASA classification I~III; 4. The patient gives informed consent and signs informed consent.
Exclusion criteria
Exclusion criteria: 1. The patient has severe respiratory, circulatory and blood system diseases; 2. Patients with poor nasal ventilation caused by nasal trauma, bleeding and space occupying; 3. Allergic to the narcotic drugs used; 4. Mental illness, difficult to cooperate; 5. Long-term use of opioids or psychotropic drugs; 6. Pregnancy or lactation; 7. Participated in other experiments within 3 months before the experiment.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Peripheral oxygen saturation; | — |
Secondary
| Measure | Time frame |
|---|---|
| The number of episodes of hypoxemia;long-playing hypoxia;SpO2 drops rapidly (within 5 seconds) by > 5%;Severe hypoxia saturation (SpO2 <= 85%) occurred;Apnea (defined as respiratory rate < 6 times/min);Management of hypoxemia during examination; | — |
Countries
China
Contacts
Ningxia Medical University General Hospital