Term pregnancy
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Single pregnancy; 2. Full-term pregnancy; 3. Maternal aged 20 to 40 years old; 4. Elective cesarean section.
Exclusion criteria
Exclusion criteria: 1. Contraindications for intraspinal anesthesia; 2. Multiple pregnancy, pathological pregnancy, such as fetal distress, premature or prolonged pregnancy; 3. Complicated pregnancy diseases, such as pregnancy-induced hypertension, diabetes, anemia, heart disease Etc.; 4. Those who are allergic to anesthesia medications and intraoperative medications; 5. Placenta implantation, dangerous placenta previa, more than three cesarean sections, etc. The expected surgical bleeding exceeds 800 ml, etc.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Blood gas; | — |
Secondary
| Measure | Time frame |
|---|---|
| Blood pressure;APGAR;Phenylephrine;Other vasoactive drugs;Newborn weight;Incidence of nausea and vomiting;The amount of liquid in and out;Umbilical Arteriovenous Blood Gas; | — |
Countries
China
Contacts
The Second Affiliated Hospital of Xuzhou Medical University