labor analgesia
Conditions
Interventions
Four groups:concentration of ropivacaine
Sponsors
The First Affiliated Hospital of USTC (Anhui Provincial Hospital)
Eligibility
Sex/Gender
Female
Age
18 Years to 40 Years
Inclusion criteria
Inclusion criteria: 1. Requesting an epidural for labour analgesia; 2. ASA II or III; 3. At 37-42 weeks' gestation; 4. Nulliparous; 5. Body mass Index(BMI)(18.5-34.9 kg/m2); 6. Singleton pregnancy; 7. Maternal visual analogue scale (VAS) at requesting analgesia > 5 (VAS 0-10); 8. Cervical dilatation(2-5 cm).
Exclusion criteria
Exclusion criteria: 1. Patient refusal to participate in the study; 2. Contraindications to epidural analgesia; 3. Allergy to the study drugs or previous systemic opioid administration; 4. Fetal growth retardation or a fetus with physical abnormalities.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Total volume of local anesthetic received through patient-controlled epidural analgesia; | — |
Secondary
| Measure | Time frame |
|---|---|
| Patient-controlled epidural analgesia attempts;Patient-controlled epidural analgesia given;Satisfaction with labor analgesia;Maternal modified Bromage scores;VAS score;Side effects(Sedation,motor block,nausea,vomiting,pruritus,shivering,retention of urine,fetal bradycardia,patients with hypotension);The mode of delivery(spontaneous vaginal delivery, assisted vaginal delivery, cesarean delivery);Durations of labor stages;Neonatal Apgar scale;Duration of labor analgesia;breakthrough pain;Requirement of clinician boluses;volume of clinician boluses;Neonatal weight; | — |
Countries
China
Contacts
Public ContactShu Shuhua
The First Affiliated Hospital of USTC (Anhui Provincial Hospital)
Outcome results
None listed