Abstract：
:The purpose of this study was to compare two different methods for assessing fetal heart rate (FHR)--fetal eye movement (FEM) synchronization: (1) periods of high (HV) and low (LV) variability in the FHR and the presence (EM) and absence (NEM) of FEM were determined by visual inspection and the degree of association between FHR and FEM was assessed in terms of the fraction of study time for which no periods of LV-NEM and HV-EM could be identified; and (2) the maximum cross-correlation coefficient (rmax) and the lag at rmax (Lmax) were determined by direct computer analysis of FHR and FEM data for each fetus. Twenty normal human fetuses between 38 and 40 weeks of gestation were examined for a total of 2051 min (mean 103 min, range 72-150 min). In general, the state HV-EM was observed approximately twice as often as was the state LV-NEM; neither of these two states could be identified during 12.4% of the study time. The coefficient rmax was calculated assuming a sliding 3-min moving window, using either the average FHR (mean 0.53, range 0.31-0.85) or the variability in the FHR (mean 0.52, range 0.18-0.77). No relationship was found between rmax and Lmax calculated using the mean FHR and the fraction of time for which no state could be identified (P = 0.995). When the cross-correlation analysis was performed using FHR variability, a statistically significant relationship was found between the periods of no coincidence (of states LV-NEM and HV-EM) and rmax and Lmax (r2 = 0.32; P = 0.04).(ABSTRACT TRUNCATED AT 250 WORDS)
journal_name
Early Hum Devjournal_title
Early human developmentauthors
Groome LJ,Singh KP,Burgard SL,Neely CL,Bartolucci AAdoi
10.1016/0378-3782(92)90137-6keywords:
subject
Has Abstractpub_date
1992-09-01 00:00:00pages
93-9issue
2eissn
0378-3782issn
1872-6232pii
0378-3782(92)90137-6journal_volume
30pub_type
杂志文章abstract：:Ultrastructural and immunohistochemical studies were made of the testicular interstitial tissue from eight human fetuses of 15 to 27 weeks gestation. Three cell types developed in mesenchymal cells: Leydig cells and peritubular cells, as already reported, and cells of the mononuclear phagocyte system (MPS), which are ...
journal_title：Early human development
pub_type： 杂志文章
doi：10.1016/0378-3782(89)90070-4
更新日期：1989-09-01 00:00:00
abstract：BACKGROUND:Pregnant women's sleep disturbance due to fetal movement is well known. Fetal movement is thought to be an index of fetal well-being. However, as there has never been a way to easily and reliably record fetal movement, psychophysiological studies of pregnant women's sleep disturbance and fetal well-being hav...
journal_title：Early human development
pub_type： 杂志文章
doi：10.1016/j.earlhumdev.2008.03.001
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abstract：BACKGROUND:Human milk contains a range of host defence proteins that appear to contribute to health and wellbeing, but their variability in abundance among individuals has not been very well characterised. Milk from mothers of premature infants has altered composition, but the effect of gestation length on the host-def...
journal_title：Early human development
pub_type： 杂志文章
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更新日期：2015-01-01 00:00:00
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journal_title：Early human development
pub_type： 杂志文章
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更新日期：1986-04-01 00:00:00
abstract：BACKGROUND:Positional plagiocephaly refers to atypical development of an uneven head shape with asymmetrical head orientation as a post-natal risk factor. The development of the head orientation profile and its relationship with positional plagiocephaly are lacking. OBJECTIVES:To explore the head orientation profile d...
journal_title：Early human development
pub_type： 杂志文章
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更新日期：2016-05-01 00:00:00
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journal_title：Early human development
pub_type： 杂志文章
doi：10.1016/0378-3782(92)90194-l
更新日期：1992-06-01 00:00:00
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journal_title：Early human development
pub_type： 杂志文章
doi：10.1016/j.earlhumdev.2018.11.006
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journal_title：Early human development
pub_type： 杂志文章,评审
doi：10.1016/j.earlhumdev.2013.02.002
更新日期：2013-04-01 00:00:00
abstract：BACKGROUND:Placental pathology is associated with long-term neurological morbidity. Little is known about the association of placental pathology and illness severity directly after birth in preterm infants. OBJECTIVE:To determine the association between placental pathology and illness severity in preterm infants durin...
journal_title：Early human development
pub_type： 杂志文章
doi：10.1016/j.earlhumdev.2011.01.040
更新日期：2011-04-01 00:00:00
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journal_title：Early human development
pub_type： 杂志文章
doi：10.1016/j.earlhumdev.2016.01.002
更新日期：2016-03-01 00:00:00
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journal_title：Early human development
pub_type： 杂志文章
doi：10.1016/s0378-3782(97)00089-3
更新日期：1997-11-24 00:00:00
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journal_title：Early human development
pub_type： 杂志文章
doi：10.1016/j.earlhumdev.2015.09.012
更新日期：2015-12-01 00:00:00
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journal_title：Early human development
pub_type： 杂志文章,随机对照试验
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更新日期：2018-06-01 00:00:00
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journal_title：Early human development
pub_type： 杂志文章,实务指引
doi：10.1016/j.earlhumdev.2020.104988
更新日期：2020-05-01 00:00:00
abstract：:Comparisons of the components of ventilator waveform were made in two groups of preterm infants ventilated for the respiratory distress syndrome. Infants actively expiring against positive pressure inflation were compared to infants not showing this interaction. The actively expiring infants were ventilated with a hig...
journal_title：Early human development
pub_type： 杂志文章
doi：10.1016/s0378-3782(88)80051-3
更新日期：1988-05-01 00:00:00
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journal_title：Early human development
pub_type： 杂志文章
doi：10.1016/j.earlhumdev.2019.104829
更新日期：2019-10-01 00:00:00
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journal_title：Early human development
pub_type： 杂志文章
doi：10.1016/j.earlhumdev.2020.105186
更新日期：2020-11-01 00:00:00
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journal_title：Early human development
pub_type： 杂志文章,评审
doi：10.1016/j.earlhumdev.2005.11.004
更新日期：2006-01-01 00:00:00
abstract：:A multicenter randomised trial was conducted in nine neonatal centers in Japan to re-evaluate the safety and the efficacy of high frequency oscillatory ventilation using the piston type oscillator (Hummingbird) in the treatment of respiratory failure in preterm infants weighing between 750 and 2000 g at birth. A total...
journal_title：Early human development
pub_type： 临床试验,杂志文章,多中心研究,随机对照试验
doi：10.1016/0378-3782(93)90088-c
更新日期：1993-02-01 00:00:00
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journal_title：Early human development
pub_type： 杂志文章
doi：10.1016/0378-3782(93)90100-9
更新日期：1993-12-15 00:00:00
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journal_title：Early human development
pub_type： 杂志文章
doi：10.1016/j.earlhumdev.2004.04.015
更新日期：2004-09-01 00:00:00
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journal_title：Early human development
pub_type： 杂志文章
doi：10.1016/j.earlhumdev.2010.11.001
更新日期：2011-02-01 00:00:00
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journal_title：Early human development
pub_type： 杂志文章
doi：10.1016/0378-3782(95)01656-n
更新日期：1995-08-18 00:00:00
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journal_title：Early human development
pub_type： 临床试验,杂志文章,随机对照试验
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更新日期：2001-12-01 00:00:00
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journal_title：Early human development
pub_type： 杂志文章,评审
doi：10.1016/j.earlhumdev.2016.01.008
更新日期：2016-03-01 00:00:00
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journal_title：Early human development
pub_type： 杂志文章
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更新日期：2020-07-01 00:00:00
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journal_title：Early human development
pub_type： 杂志文章
doi：10.1016/j.earlhumdev.2007.09.018
更新日期：2008-06-01 00:00:00
abstract：:To investigate the influence of prematurity and postnatal age on the maturation of the autonomic nervous system function, we analysed heart-rate and heart-rate variability in twelve prematurely born infants (< 37 weeks gestational age) reaching the conceptional age of 37-41 weeks. These neonates were compared with six...
journal_title：Early human development
pub_type： 杂志文章
doi：10.1016/0378-3782(93)90011-i
更新日期：1993-03-01 00:00:00
abstract：:Infants born at term frequently require mechanical ventilation and suffer significant mortality and morbidity. Yet, there have been few randomised trials (RCTs) exclusively of term born infants and when term born infants have been included in studies, a sub-analysis of their results has rarely been undertaken. The lim...
journal_title：Early human development
pub_type： 杂志文章,评审
doi：10.1016/j.earlhumdev.2012.09.012
更新日期：2012-12-01 00:00:00
abstract：:Fetal ventricular outflow tract obstruction (OTO) is congenital heart disease with significant potential for progression before birth as a consequence of the unique nature of the fetal circulation. The pattern of evolution depends upon the timing of development, severity of obstruction and the influence of the OTO on ...
journal_title：Early human development
pub_type： 杂志文章,评审
doi：10.1016/j.earlhumdev.2012.02.005
更新日期：2012-05-01 00:00:00
