Document Detail

Instability and frequency-domain variability of heart rates in fetuses with or without growth restriction affected by severe preeclampsia.
MedLine Citation:
PMID:  15535177     Owner:  NLM     Status:  MEDLINE    
This study investigated how the instability and frequency-domain variability in heart rates differ between fetuses affected only by severe preeclampsia and fetuses affected by both severe preeclampsia and growth restriction. From their antepartum fetal heart rates and those of control fetuses, the very short-term intermittency (C1alpha) and the spectral powers were calculated to evaluate the instability and frequency-domain variability, respectively. The fetuses affected only by severe preeclampsia showed abnormally high C1alpha and low- and high-frequency power. The fetuses affected by severe preeclampsia and growth restriction showed even higher C1alpha than that of the fetuses affected by severe preeclampsia and abnormally reduced low-frequency power. Conclusively, when compared to the heart rates of fetuses affected only by severe preeclampsia, the heart rates of fetuses affected by severe preeclampsia and growth restriction showed a greater abnormal instability and an abnormally reduced variability at low-frequency range.
Myung-Kul Yum; Chang-Ryul Kim; Eun-Young Park; Jong-Hwa Kim
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Physiological measurement     Volume:  25     ISSN:  0967-3334     ISO Abbreviation:  Physiol Meas     Publication Date:  2004 Oct 
Date Detail:
Created Date:  2004-11-10     Completed Date:  2005-02-25     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9306921     Medline TA:  Physiol Meas     Country:  England    
Other Details:
Languages:  eng     Pagination:  1105-13     Citation Subset:  IM    
Department of Pediatrics, College of Medicine, Hanyang University, Sungdong-Ku, Seoul 133-792, Korea.
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MeSH Terms
Case-Control Studies
Fetal Growth Retardation / complications*
Heart Rate, Fetal*
Pre-Eclampsia / complications*
Pregnancy Trimester, Third
Reproducibility of Results
Severity of Illness Index

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