Ten-year Practice of Labor Pain Control in China (POPIC)
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ClinicalTrials.gov Identifier: NCT00776581 |
Recruitment Status :
Completed
First Posted : October 21, 2008
Last Update Posted : September 18, 2009
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Condition or disease | Intervention/treatment |
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Labor Pain | Procedure: CSEA with PCA Procedure: CSEA with IBI Procedure: EA with PCA Procedure: EA with IBI |
Study Type : | Observational |
Actual Enrollment : | 40000 participants |
Time Perspective: | Retrospective |
Official Title: | A Ten-year Practice of Labor Pain Control in China |
Study Start Date : | January 2009 |
Actual Primary Completion Date : | September 2009 |
Actual Study Completion Date : | September 2009 |

Group/Cohort | Intervention/treatment |
---|---|
1
Records regarding combined spinal-epidural analgesia (CSEA) with patient-controlled analgesia (PCA) pump
|
Procedure: CSEA with PCA
Records regarding combined spinal-epidural analgesia with patient-controlled pump |
2
Records regarding combined spinal-epidural analgesia with intermittent bolus injection (IBI)
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Procedure: CSEA with IBI
Records regarding combined spinal-epidural analgesia with intermittent bolus injection |
3
Records regarding epidural analgesia (EA) with patient-controlled pump
|
Procedure: EA with PCA
Records regarding epidural analgesia with patient-controlled pump |
4
Records regarding epidural analgesia with intermittent bolus injection
|
Procedure: EA with IBI
Records regarding epidural analgesia with intermittent bolus injection |
- Rate of cesarean delivery [ Time Frame: Analgesia initiation to successful vaginal delivery ]
- Rate of instrument-assisted delivery [ Time Frame: Analgesia initiation to successful vaginal delivery ]
- Indications of cesarean delivery [ Time Frame: Analgesia initiation to cesarean section ]
- Maternal Visual Analog Scale (VAS) rating of pain [ Time Frame: Prior to analgesia, latent phrase, active phrase, second stage of labor, posterior to vaginal delivery ]
- Duration of analgesia [ Time Frame: Initiation of analgesia to the disappearance of sensory block ]
- Maternal satisfaction with analgesia [ Time Frame: At the end of the vaginal delivery ]
- Maternal oral temperature [ Time Frame: Analgesia initiation to successful vaginal delivery ]
- Use of oxytocin after analgesia [ Time Frame: After analgesia to vaginal delivery ]
- Low back pain at 3 months after vaginal delivery [ Time Frame: At the third month after vaginal delivery ]
- Breastfeeding success at 6 weeks after vaginal delivery [ Time Frame: At the sixth week after successful delivery ]
- Neonatal one-minute Apgar scale [ Time Frame: At the first minute of baby was born ]
- Neonatal five-minute Apgar scale [ Time Frame: At the fifth minute of baby was born ]
- Incidence of maternal side effects [ Time Frame: Analgesia initiation to successful vaginal delivery ]
- Umbilical-cord gases analysis [ Time Frame: At the time baby was born ]

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Ages Eligible for Study: | 18 Years to 45 Years (Adult) |
Sexes Eligible for Study: | Female |
Accepts Healthy Volunteers: | No |
Sampling Method: | Non-Probability Sample |
Inclusion Criteria:
- Parturients used labor analgesia
Exclusion Criteria:
-
Following criteria were based on the records of information received from the ten-year practice screened by investigators:
- Chronic pain and psychiatric diseases records
- Participants younger than 18 years or older than 45 years
- Alcohol addictive or narcotic dependent patients were excluded for their influence on the analgesic efficacy of the epidural analgesics
- Subjects with a nonvertex presentation or scheduled induction of labor
- Diagnosed diabetes mellitus and pregnancy-induced hypertension
- Twin gestation and breech presentation

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00776581
China, Jiangsu | |
Nanjing Maternal and Child Health Care Hospital | |
Nanjing, Jiangsu, China, 210004 |
Study Chair: | XiaoFeng Shen, MD | Nanjing Medical University |
Responsible Party: | XiaoFeng Shen, Nanjing Medical University |
ClinicalTrials.gov Identifier: | NCT00776581 |
Other Study ID Numbers: |
NMU-FY2008-MZ013 NJFY081005 |
First Posted: | October 21, 2008 Key Record Dates |
Last Update Posted: | September 18, 2009 |
Last Verified: | September 2009 |
Combined spinal-epidural analgesia Patient-controlled analgesia Epidural analgesia |
Labor Pain Pain Neurologic Manifestations |