labor pain
Conditions
Interventions
Group 12:epidural loading dose:12 mL
Group 14:epidural loading dose:14 mL
Group 16:epidural loading dose:16 mL
Group 18:epidural loading dose:18 mL
Group 20:epidural loading dose:20 mL
Sponsors
Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine
Eligibility
Sex/Gender
Female
Age
20 Years to 40 Years
Inclusion criteria
Inclusion criteria: 1. ASA II to III, more than 37 weeks of gestation; 2. 20 years old =5 (NRS 0 to 10, where 0= no pain and 10= the most severe pain imaginable) are eligible for epidural analgesia.
Exclusion criteria
Exclusion criteria: 1. Morbid obesity; 2. Complications of pregnancy such as gestational diabetes mellitus, gestational hypertension, gestational heart disease, preeclampsia, etc.; 3. Drug abuse history 4. spinal anesthesia contraindications (such as coagulopathy, local anesthesia drug allergy, etc.); 5. The presence of conditions that increase the risk of caesarean section (such as placenta previa, uterine malformations); 6. Received opiates or sedatives 4 hours before labor pain relief; 7. Known fetal abnormalities; 8. other conditions: patients with epidural needle accident dura puncture, no cerebrospinal fluid reflux after DPE or completion of labor within 1 hour after the start of epidural labor analgesia will also be excluded from the study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| effective labor analgesia; | — |
Secondary
| Measure | Time frame |
|---|---|
| Numerical Rating Score for pain;sensory block level;Bromage score;adverse events;Neonatal weight;Neonatal Apgar Score; | — |
Countries
China
Contacts
Public ContactSong Yujie
Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine
Outcome results
None listed