Evidence map›Paper›PMID 29041923›Full record

Observational studyBMC pregnancy and childbirth2017

Fetal heart rate abnormalities during and after external cephalic version: Which fetuses are at risk and how are they delivered?

Simone M Kuppens, Ida Smailbegovic, Saskia Houterman, Ingrid de Leeuw, Tom H Hasaart

Registry-linked trialAbstract readObservational Study
PubMed Full text at PMC Publisher
In one paragraph

Observational study in BMC pregnancy and childbirth, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT00516555 (Ebis), which is not on this map. Cited by 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT00516555 completednot on this map

Ebis: The Eindhoven Breech Intervention Study

TypeobservationalSponsorCatharina Ziekenhuis EindhovenRan2007 to 2012Enrolled250ConditionsBreech Presentation, External Cephalic Version, Thyroid Hormones, Stress, Psychological
3 · Its place in the literature

Who cites it

7 citing papers in PubMed.

  1. Article
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  7. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors.

Simone M KuppensDepartment of Obstetrics and Gynecology, Catharina Hospital, P.O. Box 1350, 5602 ZA, Eindhoven, the Netherlands. simone.kuppens@catharinaziekenhuis.nl.
Ida SmailbegovicDepartment of Obstetrics and Gynecology, Catharina Hospital, P.O. Box 1350, 5602 ZA, Eindhoven, the Netherlands.
Saskia HoutermanDepartment of Education and Research, Catharina Hospital, P.O. Box 1350, 5602 ZA, Eindhoven, the Netherlands.
Ingrid de LeeuwDepartment of Obstetrics and Gynecology, Catharina Hospital, P.O. Box 1350, 5602 ZA, Eindhoven, the Netherlands.
Tom H HasaartDepartment of Obstetrics and Gynecology, Catharina Hospital, P.O. Box 1350, 5602 ZA, Eindhoven, the Netherlands.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundFetal heart rate abnormalities (FHR) during and after external cephalic version (ECV) are relatively frequent. They may raise concern about fetal wellbeing. Only occasionally they may lead to an emergency cesarean section.

methodsProspective cohort study in 980 women (> 34 weeks gestation) with a singleton fetus in breech presentation. During and after external cephalic version (ECV) FHR abnormalities were recorded. Obstetric variables and delivery outcome were evaluated. Primary outcome was to identify which fetuses are at risk for FHR abnormalities. Secondary outcome was to identify a possible relationship between FHR abnormalities during and after ECV and mode of delivery and fetal distress during subsequent labor.

resultsThe overall success rate of ECV was 60% and in 9% of the attempts there was an abnormal FHR pattern. In two cases FHR abnormalities after ECV led to an emergency CS. Estimated fetal weight per 100 g (OR 0.90, CI: 0.87-0.94) and longer duration of the ECV-procedure (OR 1.13, CI: 1.05-1.21) were factors significantly associated with the occurrence of FHR abnormalities. FHR abnormalities were not associated with the mode of delivery or the occurrence of fetal distress during subsequent labor.

conclusionsFHR abnormalities during and after ECV are more frequent with lower estimated fetal weight and longer duration of the procedure. FHR abnormalities during and after ECV have no consequences for subsequent mode of delivery. They do not predict whether fetal distress will occur during labor.

trial registrationThe Eindhoven Breech Intervention Study, NCT00516555 . Date of registration: August 13, 2007.

Indexed as

Heart Rate, FetalAdultBreech PresentationDelivery, ObstetricFemaleFetal DistressGestational AgeHumansPregnancyProspective StudiesRisk FactorsVersion, FetalBreech presentationExternal cephalic versionFetal distressFetal heart rateMode of deliveryPregnancy

Identifiers

PMID29041923
PMCPMC5646157

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Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.