Labor Analgesia in the Latent Phrase of the First-stage of Spontaneous Delivery

Nanjing Medical University1 site in 1 country15,000 target enrollmentJanuary 2003

ConditionsLabor Pain

Overview

Phase: Not Applicable
Intervention: Not specified
Conditions: Labor Pain
Sponsor: Nanjing Medical University
Enrollment: 15000
Locations: 1
Primary Endpoint: Rate of Cesarean delivery
Status: Completed
Last Updated: 16 years ago

Overview Investigators Eligibility Criteria Outcomes Sites Similar Trials

Overview

Brief Summary

Painless labor is an essential part in woman's health care. Labor analgesia in the active phrase is in popular use currently. However, parturients are still haunted by the labor delivery pain in the latent phrase up to 7-8 hours, especially for the nulliparas. Therefore, we hypothesized that labor analgesia in the latent phrase of the first delivery stage would provide superior health care for laboring women. In addition, such analgesia technique would not prolong the time of uterine dilation and labor delivering.

Registry

clinicaltrials.gov

Start Date

January 2003

End Date

December 2007

Last Updated

16 years ago

Study Type

Interventional

Study Design

Parallel

Sex

Female

Investigators

Sponsor

Nanjing Medical University

Eligibility Criteria

Inclusion Criteria

•Nulliparas
•Required labor analgesia

Exclusion Criteria

•Allergic to opioids and/or local anesthetics
•Failed to performing epidural catheterization
•Organic dysfunction
•Contraindications for epidural analgesia.

Outcomes

Primary Outcomes

Rate of Cesarean delivery

Time Frame: The time of the end of the labor

Secondary Outcomes

Time of latent phrase(From the beginning of regular contraction of uterus to the diameter of cervix to 4cm)
Time of labor(From the beginning of regular contraction of uterus to the end of the labor)
Overall feeling of satisfaction of analgesia(From the beginning of regular contraction of uterus to the end of the labor)
Side effects(From the beginning of regular contraction of uterus to the end of the labor)
VAS pain intensity(From the intinition of analgesia to the cervical dilation >4cm)
Instrumental delivery(The end of the time of the labor)
Oxytocin infusion rate(During the whole period of laboring)
Neonatal Apgar scores(1st min, 5th min, 10th min and 20th min)
Umbilical gas measurement(After delivering of the fetus)
Maternal oral temperature(From the initiation of analgesia to the end of the labor)
Maternal corticosteroids(1h before analgesia; 0h of the analgesia; 5min,10min,30min,45min,1h,2h,3h and hourly till the end of the labor)