labor analgesia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. primiparous women; 2. Healthy single pregnancy; 3. Full term pregnancy (gestational age = 37 weeks); 4. Age range from 18 to 45 years old; 5. ASA level II or III; 6. Cervical dilation during the latent period of labor is less than 5cm, and the pain score is greater than 5 points.
Exclusion criteria
Exclusion criteria: 1. Contraindications to spinal anesthesia; 2. Serious pregnancy complications (such as preeclampsia, heart failure, severe anemia, pregnancy with diabetes); 3. BMI>40 kg/m-2; 4. Bradycardia or concomitant atrioventricular block; 5. History of cesarean section surgery; 6. Known fetal abnormalities; 7. Allergy or hypersensitivity to ropivacaine or dexmedetomidine.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Whether the pain relief during childbirth is successful or not; | — |
Secondary
| Measure | Time frame |
|---|---|
| sensory block level ;Numerical Rating Score for pain ;Bromage Score;adverse events ; | — |
Countries
China
Contacts
Guangzhou Women and Children's Medical Center Liuzhou Hospital