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Vol. 75, No. 2, 2013
Issue release date: February 2013
Section title: Original Article
Gynecol Obstet Invest 2013;75:101-108
(DOI:10.1159/000345059)

Intrapartum Heart Rate Ambiguity: A Comparison of Cardiotocogram and Abdominal Fetal Electrocardiogram with Maternal Electrocardiogram

Reinhard J. · Hayes-Gill B.R. · Schiermeier S. · Hatzmann H. · Heinrich T.M. · Louwen F.
aDepartment of Obstetrics and Gynaecology, Faculty of Medicine, Johann Wolfgang Goethe University Frankfurt am Main, Frankfurt am Main, Germany; bSchool of Electrical and Electronic Engineering, University of Nottingham, University Park, Nottingham, UK; cObstetrics and Gynaecology, Faculty of Medicine, Marien Hospital Witten, University Witten/Herdecke, Teaching Hospital of the Ruhr University Bochum, Witten, Germany

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Article / Publication Details

First-Page Preview
Abstract of Original Article

Received: 7/18/2011
Accepted: 9/27/2012
Published online: 1/17/2013

Number of Print Pages: 8
Number of Figures: 7
Number of Tables: 2

ISSN: 0378-7346 (Print)
eISSN: 1423-002X (Online)

For additional information: http://www.karger.com/GOI

Abstract

Objective/Aims: To investigate the presence of signal ambiguity of intrapartum fetal heart rate (FHR) monitoring during delivery by comparing simultaneous cardiotocogram (CTG), abdominal fetal electrocardiogram (ECG) with continuous maternal ECG. Methods: A total of 144 simultaneous CTG (Corometrics© 250 series), abdominal fetal ECG (Monica -AN24™) and maternal ECG (Monica AN24™) recordings were evaluated. Main Outcome Measures: When the FHR is within 5 bpm of the maternal heart rate (MHR) acquired from the ECG, it is classified as ‘MHR/FHR ambiguity'. Statistical analyses were performed with Fisher's exact test and the Wilcoxon signed-rank test. Results: Comparison of abdominal fetal ECG against CTG demonstrates significantly less ‘MHR/FHR ambiguity' in both the first stage (mean 0.70 vs. 1.22%, p < 0.001) and second stage of labour (mean 3.30 vs. 6.20%, p < 0.001). Conclusion: Intrapartum FHR monitoring in daily practice via the CTG modality provides significantly more ‘MHR/FHR ambiguity' than abdominal fetal ECG, which also provides additional information on the MHR.


  

Author Contacts

PD Dr. med. Joscha Reinhard, MBBS BSc (Hon)
St. Marienkrankenhaus Frankfurt
Richard-Wagner-Strasse 14
DE-60318 Frankfurt am Main (Germany)
E-Mail j.reinhard@katharina-kasper.de

  

Article Information

Received: July 18, 2011
Accepted after revision: September 27, 2012
Published online: January 17, 2013
Number of Print Pages : 8
Number of Figures : 7, Number of Tables : 2, Number of References : 26

  

Publication Details

Gynecologic and Obstetric Investigation

Vol. 75, No. 2, Year 2013 (Cover Date: February 2013)

Journal Editor: D'Hooghe T.M. (Leuven)
ISSN: 0378-7346 (Print), eISSN: 1423-002X (Online)

For additional information: http://www.karger.com/GOI


Article / Publication Details

First-Page Preview
Abstract of Original Article

Received: 7/18/2011
Accepted: 9/27/2012
Published online: 1/17/2013

Number of Print Pages: 8
Number of Figures: 7
Number of Tables: 2

ISSN: 0378-7346 (Print)
eISSN: 1423-002X (Online)

For additional information: http://www.karger.com/GOI


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