Natural birth
Conditions
Interventions
Group 50:The infusion pump will deliver programmed intermittent epidural boluses at a 50-minute interval.
Group 30:The infusion pump will deliver programmed intermittent epidural boluses at a 30-minute interval.
Sponsors
Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine
Eligibility
Sex/Gender
Female
Age
18 Years to 45 Years
Inclusion criteria
Inclusion criteria: ASA I or II;Full term (= 37 weeks gestation);nulliparous; Singleton pregnancy, vertex presentation Regular painful contractions occurring at least every 5 minutes VAS Pain score at requesting analgesia > 5 (VNPS 0-10); Cervical dilatation 2-5 cm
Exclusion criteria
Exclusion criteria: Refusal to provide written informed consent;Any contraindication to epidural anesthesia; Accidental dural puncture; Allergy or hypersensitivity to bupivacaine or sufentanyl; Use of opioids or sedatives within the last 4 hours.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Pain score;The level of sensory block;Motor block level assessed using Bromage score; | — |
Countries
China
Contacts
Public ContactShuangqiong Zhou
Shanghai First Maternity and Infant Hospital
Outcome results
None listed