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Comparison of the Analgesic Effect of Single-orifice and Multi-orifice Epidural Catheters on Labor Analgesia during Programmed Intermittent Epidural Bolus: A Randomized Controlled Trial

Comparison of the Analgesic Effect of Single-orifice and Multi-orifice Epidural Catheters on Labor Analgesia during Programmed Intermittent Epidural Bolus: A Randomized Controlled Trial

Status
Recruiting
Phases
Phase 1
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2300072694
Enrollment
Unknown
Registered
2023-06-21
Start date
2023-07-01
Completion date
Unknown
Last updated
2023-06-26

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

Conditions

Labor analgesia

Interventions

single-orifice catheter:single-orifice epidural catheter
multi-orifice catheter:multi-orifice epidural catheter

Sponsors

Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Women with the following characteristics were recruited: healthy, term, nulliparous American Society of Anesthesiologists physical status class II; aged 20–40 years; singleton pregnancies, vertex presentation, in labor; regular uterine contractions at least every 5 min with progressive cervical dilation; requesting epidural analgesia with 2–5 cm cervical dilation; and reporting a baseline pain score =5 on a numerical rating scale (NRS), which evaluates pain from 0–10 (0, no pain; 10, worst imaginable pain).

Exclusion criteria

Exclusion criteria: Exclusion criteria were as follows: body mass index (BMI) >40 kg/m2; cardiac and brain dysfunctions; intrahepatic cholestasis of pregnancy, preeclampsia, and history of substance use disorder; receiving pharmacological analgesics within 4 h of request for epidural analgesia; contraindicated for epidural block; conditions that increase the risk of cesarean delivery (history of uterine abnomaly or surgery); and fetal abnormalities.

Design outcomes

Primary

MeasureTime frame
ropivacaine consumption per hour;

Secondary

MeasureTime frame
number of PCEA boluses;the first time of PCEA;numbers of resuce boluses;

Countries

China

Contacts

Public ContactWeijia Du

Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China

duweijia@51mch.com+86 138 1725 3768

Outcome results

None listed

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