Prediction of hypotension after spinal anesthesia for cesarean section with different maternal positions
Conditions
Interventions
Observation group (hypotension / non-hypotension):none
Sponsors
The Third Affiliated Hospital of Guangzhou Medical University
Eligibility
Sex/Gender
Female
Age
20 Years to 40 Years
Inclusion criteria
Inclusion criteria: 1. Gestational age >= 37 weeks, single pregnancy; 2. Age 20-40 years; 3. ASA classification I-II; 4. Anesthesia method is neuraxial anesthesia; 5. Informed consent obtained.
Exclusion criteria
Exclusion criteria: 1. Hypertensive disorders during pregnancy; 2. Heart disease (organic heart disease, echocardiography indicating left ventricular ejection fraction =40 kg/m^2; 9. Fetal distress or emergency cesarean section; 10. Severe cardiovascular and/or cerebrovascular disease and respiratory system disease; 11. Liver and kidney dysfunction; 12. Mental illness and cognitive impairment.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Supine before anesthesia, left tilt 15°, left tilt 30°, left lateral decubitus, right tilt 15°, right tilt 30°: inferior vena cava collapse index, corrected carotid blood flow time, peak abdominal aortic flow velocity;Upon entering the room: SBP, DBP, MBP, HR, SPO2;SBP, DBP, MBP, HR, SPO2 every 2 minutes within 15 minutes after spinal anesthesia;After delivery SBP, DBP, MBP, HR, SPO2; | — |
Secondary
| Measure | Time frame |
|---|---|
| General condition of the parturient, such as: age, weight, height, body mass index, parity, gestational age, abdominal circumference, fundal height, and fetal head engagement;Anesthetic block level, time from anesthesia to fetal delivery, surgery duration, blood loss, urine volume, preoperative fluid replacement, intraoperative fluid volume, preoperative fasting duration;Neonatal weight, 1 min, 5 min, and 10 min Apgar scores; | — |
Countries
China
Contacts
Public ContactXianbao Liu
The Third Affiliated Hospital of Guangzhou Medical University
Outcome results
None listed