Epidural labor analgesia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Full-term (37-42 weeks), single pregnancy, primiparous women, all women and their families agree to labor analgesia and sign informed consent; 2. Aged 20-35 years old, American Society of Anesthesiologists (ASA) grade II, height 150-170 cm, body mass index BMI < 35 kg/m2; 3. No contraindications to spinal anesthesia, such as coagulation dysfunction, infection or injury at the puncture site, uncorrected maternal hypovolemia or hypotension, increased intracranial pressure, severe spinal deformity, etc.; 4. The dilation of the cervix is ??2~3 cm, the obstetrician and midwife have evaluated regular uterine contractions and meet the conditions for normal delivery; 5. No gestational diabetes, preeclampsia or eclampsia, placenta previa, no serious heart, brain, liver, kidney and other diseases, no complications such as intrauterine growth retardation or congenital abnormalities.
Exclusion criteria
Exclusion criteria: 1. The puerpera cannot cooperate with spinal canal puncture; 2. Unable to cooperate with visual analogue scale (VAS) score and VAS score before analgesia = 5 cm); 7. Use opioid analgesia before epidural analgesia.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Visual analog (VAS) scores at 30 minutes after epidural analgesia; | — |
Countries
China
Contacts
General Hospital of the Northern Theater Command of the Chinese People's Liberation Army