Labor pain
Conditions
Interventions
Epidural analgesia:0.075% ropivacaine combined with 4 µg/ml alfentanil was administered via epidural infusion at different time intervals under the PIEB mode.
Sponsors
The General Hospital of the Northern Theater Command of the People's Liberation Army of China
Eligibility
Sex/Gender
Female
Age
20 Years to 35 Years
Inclusion criteria
Inclusion criteria: 1. Full-term (37-42 weeks), singleton, cephalic presentation, primipara, natural labor or induction of labor, both the mother and the family members agreed to labor analgesia and signed the informed consent form. 2.Age 20-35 years old, height 150-170 cm, body mass index BMI 5 points.
Exclusion criteria
Exclusion criteria: 1.The parturient refused to sign the informed consent form. 2.The parturient was unable to cooperate for the spinal puncture or unable to complete the VAS score. 3.Those who withdrew from the trial halfway or whose results were questionable. 4.Rapid changes in the cervical opening within 1 hour after epidural analgesia (cervical opening dilation >= 5 cm) or delivery within 1 hour after the insertion of the epidural catheter. 5.Allergic to local anesthetics or opioids or having used opioids or sedatives within 4 hours before the epidural catheter insertion. 6.Having contraindications for intraspinal block, such as coagulation dysfunction, puncture site infection or injury, uncorrected maternal hypovolemia or hypotension, increased intracranial pressure, severe spinal deformity, etc. 7.Having gestational diabetes, preeclampsia or eclampsia, placenta previa, fetal intrauterine growth retardation or congenital developmental abnormalities, etc. 8.Having severe dysfunction of heart, liver, kidney or lung, hypotension, low plasma protein.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Effective analgesia rate; | — |
Secondary
| Measure | Time frame |
|---|---|
| The VAS score after epidural administration;Maternal perinatal vital signs;Fetal vital signs;Contraction pressure;The occurrence and handling of acute pain;The level of sensory blockage;Bromage score; | — |
Countries
China
Contacts
Public ContactCao Huijuan
The General Hospital of the Northern Theater Command of the People's Liberation Army of China
Outcome results
None listed