None listed
Conditions
Interventions
6ml group:6ml local anesthetic solution
8ml group:8ml local anesthetic solution
10ml group:10ml local anesthetic solution
12ml group:12ml local anesthetic solution
Sponsors
Women and Children's Hospital Affiliated to Jiaxing University
Eligibility
Sex/Gender
Female
Age
20 Years to 40 Years
Inclusion criteria
Inclusion criteria: 1. Healthy singleton pregnancy, gestational age >= 37 weeks; 2. American Society of Anesthesiologists Physical Condition II; 3. Natural childbirth, cervical dilation of 2-5cm during the latent stage of labor, and epidural analgesia for painful uterine contractions.
Exclusion criteria
Exclusion criteria: 1. BMI>35 kg/m^2, epidural anesthesia is contraindicated; 2. Opioid analgesics or sedatives have been used within 4 hours; 3. Subjects who are allergic to local anesthetics or sufentanil, complicated by pathological obstetrics or medical complications, and the labor process is less than 60 minutes.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Effective analgesic; | — |
Secondary
| Measure | Time frame |
|---|---|
| Local anesthetic consumption; | — |
Countries
China
Contacts
Public ContactXiao Fei
Women and Children's Hospital Affiliated to Jiaxing University
Outcome results
None listed