Pregnancy and low blood pressure
Conditions
Interventions
Group of low dose ephedrine:Low dose ephedrine injection was injected intravenously after spinal anesthesia
Group of medium dose ephedrine:Medium dose ephedrine injection was injected intravenously after spinal anesthesia
Group of Norepinephrine:Appropriate amount of norepinephrine was injected intravenously after spinal anesthesia
Sponsors
The First Affiliated Hospital of Wannan Medical College
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. One-term pregnant women who underwent cesarean section under lumbar anesthesia; 2. HR was normal (<110 times/min) and NIBP was stable (90< systolic blood pressure <130mmHg, diastolic blood pressure <90mmHg) at the time of inclusion; 3. Exclusion of fetal malformations; 4. During the whole pregnancy, fetal growth was normal, amniotic fluid volume was normal, umbilical artery S/D ratio and fetal heart rate were normal; 5. Sign informed consent for anesthesia.
Exclusion criteria
Exclusion criteria: 1. Preoperative diagnosis of gestational hypertension or diabetes; 2.Preoperative Hb<70g/L; 3.Pregnant women with cardiovascular diseases or receiving cardiovascular drugs during pregnancy.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Peak systolic velocity of uterine artery;End-diastolic velocity of uterine artery;Pulsitility index of uterine artery;Resistance index of uterine artery;Ratio of peak systolic velocity to end-diastolic velocity of uterine artery;Umbilical arterial blood PH of the newborn;Neonatal Apgar score;vomiting;Neonatal umbilical artery blood gas values;Arterial blood pressure; | — |
Secondary
| Measure | Time frame |
|---|---|
| Nausea ; | — |
Countries
China
Contacts
Public ContactWenjun Guo
The First Affiliated Hospital of Wannan Medical College
Outcome results
None listed