Cesarean section
Conditions
Interventions
Control group(standard facemask group,SFM group):All pregnant women were given a 10L/min flow of pure oxygen for 3 minutes using a mask, and the anesthesiologist held the mask to ensure good sealing w
Experimental group(High-flow nasal oxygenation,HFNO group):All pregnant women were given nasal high-flow oxygen inhalation at 10L/min after entering the room, and the oxygen flow was adjusted to 30L/m
Sponsors
Department of Anesthesiology, the Affiliated Yantai Yuhuangding Hospital of Qindao University
Eligibility
Sex/Gender
Female
Inclusion criteria
Inclusion criteria: Patients undergoing general anesthesia for cesarean section, ASA classification I-III, aged 20-40 years, BMI >30kg/m2.
Exclusion criteria
Exclusion criteria: 1. Refusal of the parturient 2. Risk of hemorrhagic shock during the operation 3. Combined hepatic and renal insufficiency 4. Coagulopathy 5. Combined mental illness
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Arterial partial pressure of oxygen, partial pressure of carbon dioxide, and end-tidal partial pressure of carbon dioxide at the end of induced ventilation;record the blood gas analysis of fetal umbilical artery and umbilical vein after delivery;Apar scores at 1 minute and 5 minutes after delivery of the fetus;patient comfort during maternal pre-oxygenation; | — |
Secondary
| Measure | Time frame |
|---|---|
| the incidence of adverse events such as postoperative gastric bloating, nausea and vomiting, reflux aspiration, nasopharyngeal discomfort, and barotrauma in maternal patients; | — |
Countries
China
Contacts
Public ContactMa Jiahai
Department of Anesthesiology, the Affiliated Yantai Yuhuangding Hospital of Qindao University
Outcome results
None listed