hypoxemia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Aged 18-45 years; 2. Body mass index: 18-30kg/m2; 3. Gestational weeks: 6-9 weeks; 4, American Society of anesthesiology I or II level; 5. Anxiety score > 50.
Exclusion criteria
Exclusion criteria: 1. Previous motion sickness, hypertension, heart disease, asthma, epilepsy, Parkinson's disease, depression and other basic diseases; 2. A history of drug allergy; 3. Patients with conventional oxygen saturation less than 98%; 4. Coagulation dysfunction.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The incidence of hypoxemia; | — |
Countries
China
Contacts
Shanghai Tenth People's Hospitol