Obese
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1: Full-term (more than 37 weeks' gestation) singleton pregnancies with elective cesarean section under spinal anesthesia; 2: ASA II-III; 3: BMI >=30kg/m^2; 4: Acquire informed consent.
Exclusion criteria
Exclusion criteria: 1: aged under 18 years old; 2: Vaginal delivery; 3: Contraindications to neuraxial anesthesia (coagulopathy, increased intracranial pressure, local skin infection at the puncture site); 4: Severe spinal deformity; 5: History of spinal surgery; 6: preeclampsia; 7: Allergy to local anesthetics (lidocaine or bupivacaine).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| First pass success rate; | — |
Secondary
| Measure | Time frame |
|---|---|
| First attempt success rate;overall success rate;number of needle passes;number of needle attempts;needling time;locating time;total procedure time;VAS during the procedure;satisfaction score;adverse events during the procedure and within three postdural puncture days; | — |
Countries
China
Contacts
First Affiliated Hospital of Sun Yat-sen University