EPidural's Impact on Contractions and Fetal REsponse

NCT ID: NCT06860854

Last Updated: 2025-03-06

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

NOT_YET_RECRUITING

Total Enrollment

200 participants

Study Classification

OBSERVATIONAL

Study Start Date

2025-03-17

Study Completion Date

2025-12-31

Brief Summary

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This prospective observational study aims to assess the impact of epidural analgesia (ELA) on uterine contractility, cardiotocography (CTG) patterns, and maternal-fetal hemodynamics in term pregnancies. The study will recruit 200 laboring patient receiving ELA and evaluate changes in uterine contractions, Doppler blood flow parameters, and fetal heart rate tracings before and after ELA administration. Secondary analyses will compare outcomes between primiparous and multiparous women, as well as between uncomplicated and complicated pregnancies. Pain relief effectiveness will be correlated with observed changes. This study will provide a comprehensive understanding of ELA's effects on labor progression and fetal well-being, addressing gaps in existing research.

Detailed Description

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Conditions

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Epidural Anesthesia in Labor and Delivery Doppler Ultrasound Uterine Contraction

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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Patients in Labor

The study aims to recruit 200 patients in spontaneous or induced labor at 37-42 weeks of gestation, requesting the epidural labor analgesia (ELA) and meeting the inclusion criteria.

Epidural Analgesia

Intervention Type PROCEDURE

The eligible patients will have their vital signs (blood pressure, saturation, heart rate) and the Doppler velocities in the uterine arteries, umbilical artery and the fetal middle cerebral artery measured directly before the administration of ELA. They will be also asked to rate their level of pain on the visual analogue scale (VAS).

The specific method and drug regimen for ELA will be determined by the attending anesthesiologist. The mode of administration (continuous infusion, intermittent bolus, or patient-controlled epidural analgesia) will be recorded along with the anesthetic agents used for future subgroup analysis.

The vital signs, the Doppler velocities and VAS score will be recorded after 30, 60 and 120 minutes. After 2 hours the patients will be examined to assess the progress of labor.

Interventions

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Epidural Analgesia

The eligible patients will have their vital signs (blood pressure, saturation, heart rate) and the Doppler velocities in the uterine arteries, umbilical artery and the fetal middle cerebral artery measured directly before the administration of ELA. They will be also asked to rate their level of pain on the visual analogue scale (VAS).

The specific method and drug regimen for ELA will be determined by the attending anesthesiologist. The mode of administration (continuous infusion, intermittent bolus, or patient-controlled epidural analgesia) will be recorded along with the anesthetic agents used for future subgroup analysis.

The vital signs, the Doppler velocities and VAS score will be recorded after 30, 60 and 120 minutes. After 2 hours the patients will be examined to assess the progress of labor.

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* ≥ 18 years old
* singleton pregnancy
* signed informed consent form
* patients in labor
* cervical dilation ≥ 3cm,
* patient requesting and eligible for epidural analgesia
* normal CTG trace for at least 30 minutes before epidural analgesia

Exclusion Criteria

* \< than 18 years old
* preterm delivery
* labor induced or stimulated by oxytocin
* multiple pregnancy
* fetal malformations
* \< than 3cm cervical dilation
* lack of CTG trace for at least 30 minutes before epidural analgesia
* patient not requesting or not eligible for epidural analgesia
* informed consent form not signed
Minimum Eligible Age

18 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

No

Sponsors

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Central Clinical Hospital of the Ministry of Internal Affairs and Administration, Warsaw, Poland

OTHER

Sponsor Role lead

Responsible Party

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Król Joanna

Principal Investigator

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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Clinical Department of Obstetrics and Perinatology at the National Medical Institute of the Ministry of the Interior and Administration

Warsaw, , Poland

Site Status

Countries

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Poland

Central Contacts

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Joanna W Król, MD

Role: CONTACT

+48 601 780 625

Facility Contacts

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Joanna W Król, MD

Role: primary

+48 601 780 625

Other Identifiers

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EPI-CARE ver. 1

Identifier Type: -

Identifier Source: org_study_id

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