Document Detail

Intrapartum heart rate ambiguity: a comparison of cardiotocogram and abdominal fetal electrocardiogram with maternal electrocardiogram.
MedLine Citation:
PMID:  23328351     Owner:  NLM     Status:  MEDLINE    
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.
Joscha Reinhard; Barrie R Hayes-Gill; Sven Schiermeier; Hendrike Hatzmann; Tomas M Heinrich; Frank Louwen
Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't     Date:  2013-01-17
Journal Detail:
Title:  Gynecologic and obstetric investigation     Volume:  75     ISSN:  1423-002X     ISO Abbreviation:  Gynecol. Obstet. Invest.     Publication Date:  2013  
Date Detail:
Created Date:  2013-02-28     Completed Date:  2013-08-22     Revised Date:  2014-11-13    
Medline Journal Info:
Nlm Unique ID:  7900587     Medline TA:  Gynecol Obstet Invest     Country:  Switzerland    
Other Details:
Languages:  eng     Pagination:  101-8     Citation Subset:  IM    
Copyright Information:
Copyright © 2013 S. Karger AG, Basel.
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MeSH Terms
Cardiotocography / standards*
Electrocardiography / standards*
Fetal Monitoring / methods
Heart Rate / physiology
Heart Rate, Fetal / physiology*
Labor, Obstetric / physiology
Reproducibility of Results

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