Fetal electrocardiography: feasibility of long‐term fetal heart rate recordings

Fetal electrocardiography: feasibility of long‐term fetal heart rate recordings

The feasibility and accuracy of long‐term transabdominal fetal electrocardiogram (fECG) recordings throughout pregnancy were studied using a portable fECG monitor. Fifteen‐hour recordings of fetal heart rate (FHR) were performed in 150 pregnant women at 20–40 weeks of gestation and 1‐hour recordings...

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Bibliographic Details
Published in:BJOG : an international journal of obstetrics and gynaecology Vol. 116; no. 2; pp. 334 - 338
Main Authors: Graatsma, EM, Jacod, BC, van Egmond, LAJ, Mulder, EJH, Visser, GHA
Format: Journal Article
Language:English
Published: Oxford, UK Blackwell Publishing Ltd 01-01-2009
Wiley Subscription Services, Inc
Subjects:
Abdomen
Antenatal monitoring
Electrocardiography
Electrocardiography, Ambulatory - methods
Electrodes
Feasibility Studies
Female
fetal electrocardiography
fetal heart rate
Fetal Monitoring - methods
Fetuses
Heart Rate, Fetal - physiology
Humans
Labor, Obstetric
Pregnancy
Prenatal care
Scalp
Signal Processing, Computer-Assisted
Statistics, Nonparametric
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Summary:The feasibility and accuracy of long‐term transabdominal fetal electrocardiogram (fECG) recordings throughout pregnancy were studied using a portable fECG monitor. Fifteen‐hour recordings of fetal heart rate (FHR) were performed in 150 pregnant women at 20–40 weeks of gestation and 1‐hour recordings were performed in 22 women in labour and compared with simultaneous scalp electrode recordings. When ≥60% of fECG signals was present, the recording was defined as good. Eighty‐two percent (123/150) of antenatal recordings were of good quality. This percentage increased to 90.7 (136/150 recordings) when only the night part (11 p.m.–7 a.m.) was considered. Transabdominal measurement of FHR and its variability correlated well with scalp electrode recordings (r = 0.99, P < 0.01; r = 0.79, P < 0.01, respectively). We demonstrated the feasibility and accuracy of long‐term transabdominal fECG monitoring.
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ISSN:1470-0328
1471-0528
DOI:10.1111/j.1471-0528.2008.01951.x