Caesarean section
Conditions
Interventions
High-flow humidi?ed nasal oxygenation group:40L/min High-flow humidi?ed nasal oxygenation
Traditional mask group:5L/min traditional mask oxygenation
Sponsors
Liangxiang Hospital, Fangshan , Beijing
Eligibility
Sex/Gender
Female
Age
18 Years to 45 Years
Inclusion criteria
Inclusion criteria: 1. Pregnant women who is under going emergency cesarean section should have a gestational age of > 32 weeks 2. Age 18-45years 3. ASA: Level I-III 4, no spinal anesthesia contraindications 5. Agree to participate in this study and sign informed consent before operation
Exclusion criteria
Exclusion criteria: 1, High-?ow humidi?ed nasal oxygenation contraindications, such as nasal lesions 2. Body Mass Index (BMI) > 40kg/m2 3. History of difficult intubation or known airway difficulties 4. Gastroesophageal reflux disease 5. Patients with severe comorbidities, expected complicated surgery or risk of major bleeding 6. The fetus is malformed or has severe stunting
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Umbilical cord lactate ; | — |
Secondary
| Measure | Time frame |
|---|---|
| Umbilical cord PH value;Umbilical arterial partial pressure of oxygen, UA PO2;Umbilical arterial partial pressure of carbon dioxide, PCO2;Umbilical artery blood base excess, UA BE;The incidence of pH<7.20;The incidence of pH<7.10;Apgar scores at 1 min;Apgar scores at 5 min; | — |
Countries
China
Contacts
Public ContactLi Hui
Liangxiang Hospital, Fangshan , Beijing
Outcome results
None listed