Labor pain in singleton primiparous women
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: ? analgesia requirements; ? 37-42 weeks of gestation; ? singleton primigravida; ? age 20-40 years; ? ASA grade II-III
Exclusion criteria
Exclusion criteria: ? allergy to local anesthetics or opioids; ? contraindication to epidural puncture; ? BMI:30mg/d); ? communication impairment, inability to understand the study procedure and use of pain scales, and inability to operate self-administered analgesic equipment; ? assessment by obstetrician Those who were unable to perform vaginal delivery.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Time to onset of analgesia after injection ; | — |
Secondary
| Measure | Time frame |
|---|---|
| Time to onset of analgesia after completion of epidural puncture;NRS pain scores;sensory blockade level to ice;modified Bromage scores;time to first patient-controlled epidural analgesia demand;patient-controlled epidural analgesia demand per hour;patient-controlled epidural analgesia successful boluses per hour;total epidural medication consumption per hour;Number of analgesic remediation;duration of second stage of labor;mode of delivery;maternal satisfaction with labor analgesia; | — |
Countries
P.R.China
Contacts
Zhengzhou Central Hospital Affiliated to Zhengzhou University