Labor pain (pain occurring during labor)
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.First-time mothers between the ages of 20-34. 2.single fetus, head position, gestational week between 37-42 weeks, in line with the indication of natural childbirth. 3.Cervical dilation of 2-5cm, with regular contractions at least every 5 minutes, and Visual Analogue Scale (VAS) when intraspinal analgesia is required. The baseline pain score was > 5 (0 = no pain, 10 = the most severe pain), voluntarily accepted labor analgesia, ASA grade I-II, and had no related contraindications to anesthesia. 4.maternal clinical data complete, and signed informed consent.
Exclusion criteria
Exclusion criteria: 1.There are contraindications to epidural anesthesia, such as coagulation dysfunction, spinal deformity and so on; 2.there are serious comorbidities, such as hypertensive diseases during pregnancy, diabetes, etc. 3.The patient was converted to cesarean section and there were known fetal abnormalities. 4.Allergic to or dependent on analgesic drugs. 5.Cognitive, communication or psychiatric disorders. 6.Body mass Index (BMI) >35kg/m^2. 7.Have used opioid drugs or other analgesic drugs or sedatives within 4 hours before requesting intraspinal labor analgesia.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The time required to achieve effective analgesia after initial administration;Neonatal Apgar score;Prolonged deceleration (PD) occurs; | — |
Secondary
| Measure | Time frame |
|---|---|
| Sufentanil daaczzosage;Progress of labor;the time to first patient controlled epidural analgesia;Serum pain substance;Dosage of ropivacaine;Maternal satisfaction;Complications and adverse reactions;PCEA actual number of compressions;Occurrence of postpartum depression;Incidence of asymmetric block and sacrococcygeal block insufficiency;The effective analgesic rate is achieved after the first dose;The incidence of motor block; | — |
Countries
China
Contacts
Xinyang Central Hospital