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Elevation of uterine basal tone after combined spinal epidural or epidural labor analgesia and its association with fetal heart rate abnormalities: a randomized double-blind study.

Elevation of uterine basal tone after combined spinal epidural or epidural labor analgesia and its association with fetal heart rate abnormalities: a randomized double-blind study. - Uterine hyperactivity and fetal heart rate abnormalities after combined spinal epidural or epidural analgesia

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000001186
Enrollment
72
Registered
2008-07-01
Start date
2006-04-01
Completion date
Unknown
Last updated
2026-06-29

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

Conditions

fetal heart rate abnormalities and elevation of the uterine basal tone occurring after labor analgesia

Interventions

combined spinal epidural analgesia with initial intrahecal injection of bupivacaine 2,5 mg with 2,5 mcg sufentanil epidural analgesia with initial epidural injection of 12,5 mg bupivacaine with 10 mcg

Sponsors

Department of Obstetrics and Gynecology, School of Medicine, University of Sao Paulo - Brazil
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: laboring patients in active phase of labor with cervical dilatation between 3 and 7 cm, who asked for labor analgesia

Exclusion criteria

Exclusion criteria: contraindications to internal monitoring of uterine contractions, contraindications to regional analgesia, previous use of opiates for pain relief during labour

Design outcomes

Primary

MeasureTime frame
Occurrence of elevation of uterine basal tone associated with nonreassuring fetal rate tracings after labor analgesia—

Countries

South America

Contacts

Public ContactRossana Pulcineli Vieira Francisco

School of Medicine, University of Sao Paulo , Sao Paulo, Brazil Department of Obstetrics and Gynecology

rossana.francisco@hcnet.usp.br55-11-30696445

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026