Labor Pain
Conditions
Interventions
Experimental group:three lateral ports, close-ended epidural catheter
Sponsors
Shanghai First Maternity and Infant Hospital
Eligibility
Sex/Gender
Female
Age
20 Years to 40 Years
Inclusion criteria
Inclusion criteria: 1. Pregnant women in natural childbirth who require labor analgesia in Shanghai No. 1 Maternal and Infant Health Hospital, primipara with a single fetus; 2. Aged 20 to 40 years; 3. ASA classification I ~ II; 4. The gestational week is 37 to 41 weeks, and the regular obstetric examination during pregnancy; 5. To be informed of the methods, risks and purposes of this research, it is necessary to sign an informed consent form and voluntarily participate in this research.
Exclusion criteria
Exclusion criteria: 1.BMI>40kg/m2; 2. Severe comorbidities or other related complications during pregnancy such as heart disease, severe respiratory disease, intrahepatic cholestasis of pregnancy or severe preeclampsia; 3. Severe malnutrition, hypoalbuminemia, severe or very severe anemia during pregnancy; 4. Indications for obstetric cesarean section include placenta previa, placental abruption, fetal umbilical cord prolapse, abnormal fetal position, twin or multiple pregnancy; 5. There are contraindications for spinal canal puncture such as local infection, abnormal coagulation function, space occupying in the spinal canal or spinal deformity; 6. Severe vulvar deformity or reproductive tract infection.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| the percentage of adequate labor analgesia after first Programmed Intermittent Epidural Bolus; | — |
Secondary
| Measure | Time frame |
|---|---|
| ropivacaine consumption per hour;the time to first patient controlled epidural analgesia;times of rescue epidural analgesics;the number of patient controlled epidural analgesia demand boluses;incidence of hypotension;incidence of motor block;the higest sensor level;maternal satisfactory of labor analgesia;incidence of other side effects; | — |
Countries
China
Contacts
Public ContactDu Weijia
Shanghai First Maternity and Infant Hospital
Outcome results
None listed