labor pain
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) The American anesthesiologists Association (ASA) physical status II and III; (2) Aged 20~40 years; (3) Height is 150 to 175 cm; (4) BMI 18.5~35kg/m2; (5) Single station, head presentation; (6) The indexes of heart, liver, kidney and blood were all in normal range; (7) Obtain informed consent and volunteer to join according to GCP regulations.
Exclusion criteria
Exclusion criteria: (1) Important organs include primary diseases, such as hyperthyroidism, cardiopulmonary diseases, neuromuscular diseases, etc.; (2) Mentally or physically handicapped patients; (3) A history of alcohol or drug abuse is suspected or true; (4) Allergic constitutions such as allergies to two or more drugs or foods, or known allergies to nalbuphine and sufentanil; (5) Epidural anesthesia is contraindicated.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| the time elapsed to the patient's first request for further analgesia;Onset time of analgesia;Neonatal neuroadaptability score; | — |
Secondary
| Measure | Time frame |
|---|---|
| First lactation time; | — |
Countries
China
Contacts
Qingdao Women and Children's Hospital, Qingdao University