obstetrics
Conditions
Interventions
Vasopressor group:Intravenous infusion of norepinephrine
Fixed pressure air cushion combined with vasopressors group:An air cushion was placed between the upper and costal margins of the ilium and norepinephrine was administered intravenously
Air cushion groups with different pressure gradients:Air cushions with different pressure gradients were placed between the upper and costal margins of the iliac crest,Measurement of changes in the di
Sponsors
South Campus of Shanghai Sixth People's Hospital
Eligibility
Sex/Gender
Female
Age
20 Years to 40 Years
Inclusion criteria
Inclusion criteria: 1. ASA I-II subjects; 2. Aged 20-40 years, weight 50-90kg, height 145-180cm; 3. Term singleton. 4. Elective cesarean section
Exclusion criteria
Exclusion criteria: 1.Multiple pregnancy 2.Suspected fetal injury 3.Combined with gestational hypertension or diabetes 4.Complicated with cardiovascular and cerebrovascular diseases 5.Coagulation dysfunction 6.Failure of spinal anesthesia
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Norepinephrine dosage; | — |
Secondary
| Measure | Time frame |
|---|---|
| Incidence of hypotension;Measurement of the change of inferior vena cava diameter by Doppler ultrasound;Umbilical cord blood gas;Incidence of nausea and vomiting;Newborn birth status;Bradycardia incidence; | — |
Countries
China
Contacts
Public ContactWeng Hao
South Campus of Shanghai Sixth People's Hospital
Outcome results
None listed