Document Detail

Maternal body mass index does not affect performance of fetal electrocardiography.
MedLine Citation:
PMID:  20195954     Owner:  NLM     Status:  MEDLINE    
The obesity epidemic challenges traditional antenatal fetal heart rate (FHR) monitoring technologies. Doppler signals in particular are attenuated. We sought to evaluate whether the performance of a novel transabdominal fetal electrocardiogram (fECG) device (AN24, Monica Healthcare) is influenced by body mass index (BMI). We performed a prospective observational study of singleton pregnancies (gestational age [GA] 20 to 41 weeks) monitored overnight with fECG. Recording quality ([RQ] %) of both the best hour and the total recording time of the FHR record were related to BMI. Two hundred four women were monitored. BMI ranged from 16.0 to 50.7 (median BMI 26.9). The correlation coefficient (with 95% confidence interval [CI]) between BMI and RQ was -0.35 (CI -0.60; -0.03) for the gestational age group 20(+0) to 25(+6) weeks, -0.08 (CI -0.28; 0.13) for GA 26(+0) to 33(+6) weeks, and -0.20 (CI -0.40; 0.03) for GA group > or =34(+0) weeks. Median RQ in obese women (BMI > or =30 kg/m(2)) was 97.4, 98.9, and 100%, respectively. BMI has no clinically significant influence on recording quality of FHR monitored with fECG. It can therefore be considered a good method for monitoring the fetal condition in pregnancies of obese women.
E Margo Graatsma; Jena Miller; Eduard J H Mulder; Christopher Harman; Ahmet A Baschat; Gerard H A Visser
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-03-01
Journal Detail:
Title:  American journal of perinatology     Volume:  27     ISSN:  1098-8785     ISO Abbreviation:  Am J Perinatol     Publication Date:  2010 Aug 
Date Detail:
Created Date:  2010-07-20     Completed Date:  2010-11-02     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8405212     Medline TA:  Am J Perinatol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  573-7     Citation Subset:  IM    
Copyright Information:
Copyright Thieme Medical Publishers.
Division of Perinatology and Gynecology, University Medical Center Utrecht, The Netherlands.
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MeSH Terms
Body Mass Index
Echocardiography, Doppler
Heart Rate, Fetal
Monitoring, Physiologic
Obesity / ultrasonography*
Pregnancy Complications / ultrasonography*
Prospective Studies
Ultrasonography, Prenatal

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