Application of Gastric Ultrasonography in patients with laryngeal mask general anesthesia during cesarean section
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. ASA physical status I-III; 2. No fetal distress; 3. No gestational hypertension syndrome and no gestational diabetes; 4. patients whose gastric ultrasound showed uniform and consistent hypoechoic images; 5. Gestation weeks > 36 weeks.
Exclusion criteria
Exclusion criteria: 1. Body mass index (BMI) > 35Kg/m2; 2. History of gastroesophageal reflux; 3. History of upper gastrointestinal surgery.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The pH value measured by the pH probe of the esophagus; | — |
Secondary
| Measure | Time frame |
|---|---|
| CSA after surgery;Nausea and vomiting within 24 hours after surgery;CSA before surgery; | — |
Countries
China
Contacts
Quanzhou Maternal and Child Health Hospital / Children's Hospital