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Clinically accurate fetal ECG parameters acquired from maternal abdominal sensors.

Abstract：

OBJECTIVE:We sought to evaluate the accuracy of a novel system for measuring fetal heart rate (FHR) and ST-segment changes using noninvasive electrodes on the maternal abdomen. STUDY DESIGN:Fetal electrocardiograms were recorded using abdominal sensors from 32 term laboring women who had a fetal scalp electrode (FSE) placed for a clinical indication. RESULTS:Good-quality data for FHR estimation were available in 91.2% of the FSE segments and 89.9% of the abdominal electrode segments. The root mean square error between the FHR data calculated by both methods over all processed segments was 0.36 beats per minute. ST deviation from the isoelectric point ranged from 0-14.2% of R-wave amplitude. The root mean square error between the ST change calculated by both methods averaged over all processed segments was 3.2%. CONCLUSION:FHR and ST change acquired from the maternal abdomen is highly accurate and, on average, is clinically indistinguishable from FHR and ST change calculated using FSE data.

journal_name

Am J Obstet Gynecol

journal_title

American journal of obstetrics and gynecology

authors

Clifford G,Sameni R,Ward J,Robinson J,Wolfberg AJ

doi

10.1016/j.ajog.2011.02.066

subject

Has Abstract

pub_date

2011-07-01 00:00:00

pages

47.e1-5

issue

1

eissn

0002-9378

issn

1097-6868

pii

S0002-9378(11)00297-3

journal_volume

205

pub_type

杂志文章

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