Evidence map›Paper›PMID 37310765›Full record

SynthesisActa obstetricia et gynecologica Scandinavica2023

Reliability and agreement in intrapartum fetal heart rate monitoring interpretation: A systematic review.

Christina Hernandez Engelhart, Kjetil Gundro Brurberg, Kristin Jerve Aanstad, Aase Serine Devold Pay, Anne Kaasen, Ellen Blix, Sophie Vanbelle

Open access · diamondAbstract readSystematic Review
In one paragraph

Synthesis in Acta obstetricia et gynecologica Scandinavica, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed, 1 pooled it
18.6field-weighted citation impact, top 1% of its field
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.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

20 citing papers in PubMed, 1 synthesis or guideline pooled it, 32 citations in OpenAlex.

  1. Pooled it
  2. Trial
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  5. Review
  6. Interobserver agreement among midwives in cardiotocography interpretation using the 2015 FIGO guidelines for intrapartum fetal monitoring: A retrospective study.International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics · 2026
    Observational
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  20. Methodological quality in reliability/agreement studies.Acta obstetricia et gynecologica Scandinavica · 2024
    Article
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

7 authors at 4 institutions in 2 countries.

Christina Hernandez EngelhartNorwegian Research Center for Women's Health, Oslo University Hospital, Oslo, Norway.ORCID 0000-0002-5494-8783
Kjetil Gundro BrurbergDivision for Health Services, Norwegian Institute of Public Health, Oslo, Norway.
Kristin Jerve AanstadFaculty of Health Sciences, Oslo Metropolitan University, Oslo, Norway.
Aase Serine Devold PayFaculty of Health Sciences, Oslo Metropolitan University, Oslo, Norway.
Anne KaasenFaculty of Health Sciences, Oslo Metropolitan University, Oslo, Norway.ORCID 0000-0001-9291-0105
Ellen BlixFaculty of Health Sciences, Oslo Metropolitan University, Oslo, Norway.ORCID 0000-0001-7971-4580
Sophie VanbelleDepartment of Methodology and Statistics, Maastricht University, Maastricht, Netherlands.
OsloMet – Oslo Metropolitan University · NOMaastricht University · NLNorwegian Institute of Public Health · NOOslo University Hospital · NO

Funding

Norwegian Research Center for Women's Health, Oslo University HospitalNorwegian Research Centre for Women's Health, Oslo University Hospital
6 · The paper itself

Abstract

introductionFetal heart rate (FHR) monitoring is routine in intrapartum care worldwide and one of the most common obstetrical procedures. Intrapartum FHR monitoring helps assess fetal wellbeing and interpretation of the FHR help form decisions for clinical management and intervention. It relies on the observers' subjective assessments, with variation in interpretations leading to variations in intrapartum care. The purpose of this systematic review was to summarize and evaluate extant inter- and intrarater reliability research on the human interpretation of intrapartum FHR monitoring. MATERIAL AND

methodsWe searched for the terms "fetal heart rate monitoring," "interpretation agreement" and related concepts on Embase, Medline, Maternity and Infant Care Database and CINAHL. The last search was made on January 31, 2022. The protocol for the study was prospectively registered in PROSPERO (CRD42021260937). Studies that assess inter- and intrarater reliability and agreement of health professionals' intrapartum FHR monitoring were included and studies including other assessment of fetal wellbeing excluded. We extracted data in reviewer pairs using quality appraisal tool for studies of diagnostic reliability (QAREL) forms. The data retrieved from the studies are presented as narrative synthesis and in additional tables.

resultsForty-nine articles concerning continuous FHR monitoring were included in the study. For interrater reliability and agreement, in total 577 raters assessed 6315 CTG tracings. There was considerable heterogeneity in quality and measures across the included articles. We found higher reliability and agreement for the basic FHR features than for overall classification and higher agreement for intrarater reliability and agreement than for their interrater counterparts.

conclusionsThere is great variation in reliability and agreement measures for continuous intrapartum FHR monitoring, implying that intrapartum CTG should be used with caution for clinical decision making given its questionable reliability. We found few high-quality studies and noted methodological concerns in the studies. We recommend a more standardized approach to future reliability studies on FHR monitoring.

Indexed as

CardiotocographyHeart Rate DeterminationFemaleFetal MonitoringHeart Rate, FetalHumansParturitionPregnancyReproducibility of Resultsagreementfetal heart ratefetal monitoringinterrater and intraraterobserver variationreliabilityreproducibility of resultssystematic review

Identifiers

PMID37310765
PMCPMC10378030
OpenAlexW4380421892

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
Read underepoch 390

Registered trials

None linked

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.