Perioperative complications
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) American Society of Anesthesiologists (ASA) physical status class I-II. (2) Age 20-45 years. (3) Body weight 50-90 kg, height 150-180 cm, body mass index (BMI) 18-28 kg/m². (4) Full-term singleton pregnancy, scheduled for cesarean section.
Exclusion criteria
Exclusion criteria: (1) There is spinal deformity; (2) Complicated with severe cardiovascular and cerebrovascular diseases, neurological disorders, and coagulation dysfunction; (3) Multiple pregnancies; (4) Estimated fetal weight is lower than 2.5 kg or higher than 4.0 kg; (5) The researchers judged that the participants were not suitable to participate in this study or the subjects were unwilling to cooperate.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The incidence of hypotension; | — |
Secondary
| Measure | Time frame |
|---|---|
| The incidence rate of nausea and vomiting;Lower extremity Doppler ultrasound spectrum;Pulse waveform change rate;change rate of heart beat;Apgar score;Cerebral oxygen saturation;Hemodynamic indicators (SV, CO, SVR);Umbilical cord blood gas analysis; | — |
Countries
China
Contacts
Shanghai Fengxian District Central Hospital