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Intrapartum Heart Rate Ambiguity: A Comparison of Cardiotocogram and Abdominal Fetal Electrocardiogram with Maternal Electrocardiogram.
MedLine Citation:
PMID:  23328351     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
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.
Authors:
Joscha Reinhard; Barrie R Hayes-Gill; Sven Schiermeier; Hendrike Hatzmann; Tomas M Heinrich; Frank Louwen
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-1-17
Journal Detail:
Title:  Gynecologic and obstetric investigation     Volume:  -     ISSN:  1423-002X     ISO Abbreviation:  Gynecol. Obstet. Invest.     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2013-1-18     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7900587     Medline TA:  Gynecol Obstet Invest     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2013 S. Karger AG, Basel.
Affiliation:
Department of Obstetrics and Gynaecology, Faculty of Medicine, Johann Wolfgang Goethe University Frankfurt am Main, Frankfurt am Main, Germany.
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