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Impact of Analgesia on Success of External Version: Comparison of Spinal Anesthesia Versus Sedation

Impact of Analgesia on Success of External Version: Comparison of Spinal Anesthesia Versus Sedation; Prospective, Controlled, Randomized Study

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT02801201
Acronym
RaVem
Enrollment
186
Registered
2016-06-15
Start date
2016-05-31
Completion date
2025-12-08
Last updated
2026-06-11

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

Conditions

Breech Presentation

Keywords

sedation, spinal anesthesia

Brief summary

At the time of birth, nearly 5% of children are in breech presentation. This type of presentation requires a medical environment and leads to more frequent use of Caesarean sections. This is why the external version can be proposed, usually from the 36th week. Its success rate is 40%, and is usually performed under simple sedation. One of the causes of failure is the lack of relaxation of the uterus, which could be higher in case of deeper anesthesia, as is the case in spinal anesthesia. The study project is to demonstrate superiority of spinal anesthesia compared to the usual protocol sedation in terms of primary and secondary objectives.

Interventions

DRUGMidazolam
DRUGBupivacaine

Sponsors

Centre Hospitalier Universitaire, Amiens
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT

Eligibility

Sex/Gender
FEMALE
Age
18 Years to 60 Years
Healthy volunteers
No

Inclusion criteria

* age ≥ 18 years * patient with 36 weeks of amenorrhea (SA) a fetus breech or transverse presentation * covered by a an insurance system * signed contentment

Exclusion criteria

Obstetric contraindications: * placenta previa * 3rd trimester bleeding * suspicion of fetal anoxia * patient has already received more than one caesarean section * multi-fetal pregnancy * HIV + * anticoagulant therapy Anesthesiologic contraindications: * infection at the puncture site, systemic infection or severe sepsis * intracranial hypertension * uncompensated heart failure * constitute or acquired coagulation abnormalities, including anticoagulant therapy with curative intent * neuropathy with demyelination of nerve fibers in thrust or unstabilized during recovery * syringomyelia

Design outcomes

Primary

MeasureTime frame
Successful external version (VME) upon completion gesture : obtaining a fetus in cephalic presentation24 hours

Secondary

MeasureTime frameDescription
occurrence of side events due to the manipulation itselfDay 0cesarean for non resolutive bradycardia, placental abruption, rupture of amniotic membranes
occurrence of side events due to anesthesiaDay 0hypotension, maternal bradycardia, desaturation, nausea / vomiting, number of punctures greater than 1 (failure of the first puncture for spinal anesthesia leading to the necessity to perform one or more others).
The pain experienced by the patient: assessed by the Visual Analogic ScaleDay 0
The final delivery mode (caesarian section or vaginal)Day 0
The presentation in childbirthDay 0

Countries

France

Contacts

PRINCIPAL_INVESTIGATORJulien CHEVREAU, MD

CHU Amiens

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Jun 12, 2026