Placenta previa
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Choose patients who was prevented hemorrhage in cesarean section by abdominal aorta balloon block method, aged 21 to 50 years old, ASA I or II level, gestational age 32 weeks or more.
Exclusion criteria
Exclusion criteria: Preoperative consolidated history of heart, liver and kidney disease, gestational hypertension, preeclampsia and severe cholestasis syndrome, maternal bleeding amount of preoperative is greater than 1500 ml or more than 1500 ml intraoperation.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| the level of blood lactic acid; | — |
Countries
China
Contacts
Hefei Maternal and Child Health Hospital