Cesarean Section
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: American Society of Anesthesiologists physical class I or II, scheduled for elective ceasarean delivery, were enrolled in this study.
Exclusion criteria
Exclusion criteria: Patients with obesity (body mass index (BMI) > 35 kg/m2), gestational age < 37 weeks, active labor, early labor, ruptured membranes, history of previous cesarean deliveries, diabetes or gestational diabetes, hypertension or pre-eclampsia, intrauterine growth restriction, placenta previa, significant coexisting maternal disease, any contraindication to spinal or epidural anesthesia such as local infection or bleeding disorders.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Effective dose of bupivacaine;ineffective dose of bupivacaine; | — |
Secondary
| Measure | Time frame |
|---|---|
| the duration of spinal analgesia;the onset time of sensory block;the duration of sensory block;the onset time of motor block;the duration of motor block;The requirement of rescued analgesic postoperative 24 h;grade the level of satisfaction; | — |
Countries
China
Contacts
Jiaxing Maternity and Child Care Hospital