labor pain
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Primiparous, singleton pregnancy. 2. Gestation 37-42 weeks, age 20-40 years. 3. American Society of Anesthesiologists physical status II parturients. 4. Cervical dilation 2-5 cm. 5. Numeric rating scale (NRS)pain score = 5 (scale: 0= no pain, 10= worst pain imaginable). 6. Requesting neuraxial labor analgesia.
Exclusion criteria
Exclusion criteria: 1. Body mass index (BMI) > 40 kg/m2. 2. Any contraindications to neuraxial analgesia. 3. Administration of opioid or sedative drug within 4 hours before requesting neuraxial analgesia. 4. Allergy to ropivacaine or sufentanil. 5. Known fetal anomaly.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Consumption of ropivacaine per hour; | — |
Secondary
| Measure | Time frame |
|---|---|
| PCEA press number;delivery mode;Maternal satisfaction;neonatal weight;Apgar scare;PH value of neonatal blood gas;lactic acid; | — |
Countries
China
Contacts
Women and Children's Hospital Affiliated to Jiaxing University