Application of pulse analgesia pump in epidural labor analgesia

Study on the volume of EV90 injected by pulse analgesia pump for epidural labor analgesia in the first stage of labor

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2000035465

Enrollment

Unknown

Registered

2020-08-12

Start date

2020-07-30

Completion date

Unknown

Last updated

2020-08-17

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

labor analgesia

Interventions

case series:Epidural bolus by BCUD

Eligibility

Sex/Gender

Female

Age

22 Years to 40 Years

Inclusion criteria

Inclusion criteria: Single pregnancy, gestational weeks >= 37 weeks, ASA class I - II, induced labor or natural delivery, cervical dilatation 2 ~ 5cm, regular uterine contraction at least once every 5 minutes, and VAS score >= 6 points at the strongest uterine contraction.

Exclusion criteria

Exclusion criteria: Pregnant women have any contraindications to epidural analgesia; Accidental dural puncture during epidural puncture; Allergic to ropivacaine or sufentanil; Used opioids or sedatives within 4 hours before epidural puncture.

Design outcomes

Primary

Measure	Time frame
VAS score;	—

Secondary

Measure	Time frame
maternal age;maternal BMI;maternal blood pressure;maternal heart rate;fetal heart rate;Apgar score;blood gas analysis of umbilical vein blood;cm number of cervical dilatation;Bromage score;sensory block plane;gestational week;type of delivery;Oxytocin use;	—

Countries

China

Contacts

Public ContactYuanqing Sun

The International Peace Maternal and Child Health Care Hospital affiliated to Shanghai Jiaotong University Medical College

sunyq_20200606@163.com+86 15000058831

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026