analgesia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Inclusion criteria: ASA1-2, age 20-35 years, gestational age of 37, weight 55 - 90kg, requiring labor analgesia.
Exclusion criteria
Exclusion criteria: The uterine cavity is more than 2cm, multiple fetuses, scar uterus, serious cardiovascular and cerebrovascular diseases, bradycardia, conduction block, fetal distress, spinal canal anesthesia contraindication.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Time of onset, maximum block level, analgesic effect, duration of labor; | — |
Countries
China
Contacts
International Peace Maternal and Child Health Hospital, Shanghai Jiao Tong University School of Medicine