breakthrough pain during labor analgesia
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Healthy primiparas who request epidural analgesia and experience breakthrough pain during the first stage of labor after analgesia: 1. The age ranges from 20 to 36, ASA physical status I or II; 2. Height from 155 to 175cm, weight from 55 to 90kg; 3. Temperature < 37.3 degrees C, full-term primigravida, with singleton fetus and vertex presentation; 4. Fetal condition is normal.
Exclusion criteria
Exclusion criteria: 1. Contraindications to epidural anesthesia; 2. Complication of pregnancy; 3. Prenatal history of use of analgesic, sedative and hypnotic drugs; 4. Mental disorder; 5. History of allergy to local anesthetics of esters such as procaine or amides.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The time when VAS scores decreased to 3 pionts after rescue dose;The maternal satisfaction score; | — |
Secondary
| Measure | Time frame |
|---|---|
| The VAS scores;The VAS scores;Time of labor;Delivery mode;Apgar scores of newborns;The umbilical artery blood gas analysis;Incidence of adverse reactions; | — |
Countries
China
Contacts
Maternal and Child Health Care Hospital of Anhui Province