Cardiorespiratory measures before and after feeding challenge in term infants are related to birth weight

Cohen, Morris J.; Brown, David R.; Myers, Michael

doi:10.1111/j.1651-2227.2009.01284.x

Cited by 10 publications

(3 citation statements)

References 30 publications

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“…The latter includes neonatal identification number, date of birth, birth weight, gestational age, single or multiple births. By quintile classification as in previous studies, [20][21][22] light birth weight was defined as within the lowest quintile (1950-2834 g). Full-term birth was defined as birth after 37 complete weeks of gestation, as measured from the first day of the last menstrual period.…”

Section: Original Articlementioning

confidence: 99%

Effect of rotating shift work on childbearing and birth weight: a study of women working in a semiconductor manufacturing factory

et al. 2011

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Section: Original Articlementioning

confidence: 99%

Effect of rotating shift work on childbearing and birth weight: a study of women working in a semiconductor manufacturing factory

et al. 2011

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“…4–6,23–30 The majority of these have been descriptive studies of the changes that occur in HRV measures as infants develop over time 4,24–26,29 or how birth characteristics, such as birth weight, gestational age, or congenital heart disease, affect HRV responses to feeding. 23–25,28,30 Consistent with Polyvagal Theory, Portales, 27 McCain, 6 and Suess 28 all found that HF HRV decreased during feeding.…”

Section: Feeding and Heart Rate Variabilitymentioning

confidence: 99%

Heart Rate Variability as a Feeding Intervention Outcome Measure in the Preterm Infant

Pados¹,

Thoyre²,

Knafl³

et al. 2017

Advances in Neonatal Care

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Background Feeding interventions for preterm infants aim to reduce the physiologic stress of feeding to promote growth. Heart rate variability (HRV) is a potential non-invasive measure of physiologic stress that may be useful for evaluating efficacy of feeding interventions. Purpose To evaluate whether HRV is a sensitive measure of physiologic stress compared to standard physiologic outcomes in the context of a feeding intervention study. Methods This was secondary analysis of a within-subjects, cross-over design study comparing usual care feeding to a gentle, co-regulated feeding approach (CoReg) in 14 infants born < 35 weeks post-menstrual age. HRV indices were calculated from electrocardiogram data and compared to standard physiologic outcomes, including oxygen saturation (SpO2), respiratory rate (RR), apnea, heart rate (HR), and bradycardia. Data were analyzed using linear mixed modeling. Results Infants fed using the CoReg approach had fewer apneic events and higher RR, suggesting they were able to breathe more during feeding. No statistically significant differences were found in SpO2, HR, bradycardia, or high frequency power (the most commonly-reported measure of HRV). Infants fed using the usual care approach had significantly higher SD12, a measure of HRV indicating randomness in the HR, which is a potential indicator of elevated stress. Implications for Practice SD12 was more sensitive to stress than SpO2, HR, and bradycardia. The utility of HRV as a measure of feeding outcomes in clinical practice needs further exploration. Implications for Research Further exploration of HRV as an intervention outcome measure is needed, particularly evaluating non-linear indices, such as SD12.

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“…8 Furthermore, several studies have demonstrated that the enhanced sensitivity of the HPA axis is linked to the development of metabolic or mental diseases mediated by intrauterine events, such as diabetes, non-alcoholic fatty liver disease (NAFLD) and depression. [9][10][11][12][13] Ethanol consumption is common in daily life. A recent survey showed an obvious increasing trend of ethanol abuse in young women over recent decades 14 and the prenatal ethanol exposure (PEE) rate for newborns is increasing each year.…”

Section: Introductionmentioning

confidence: 99%

Prenatal ethanol exposure induces an intrauterine programming of enhanced sensitivity of the hypothalamic–pituitary–adrenal axis in female offspring rats fed with post-weaning high-fat diet

et al. 2015

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Our previous study demonstrated that prenatal ethanol exposure (PEE) enhances the sensitivity of the hypothalamic-pituitary-adrenal (HPA) axis in adult offspring rats. This study aims to investigate the underlying mechanism. PEE treated female offspring rats were fed with high-fat diet and subjected to the unpredictable chronic stresses (UCS) in adulthood. For adult offspring, the PEE group exhibited increased expression of hypothalamic corticotrophin-releasing hormone (CRH) and arginine vasopressin (AVP) as well as elevated gain rates of serum adrenocorticotropic hormone (ACTH) and corticosterone after UCS. Meanwhile, PEE significantly decreased the expression of glutamic acid decarboxylase 65 (GAD65) andReelin (Reln), and the expression ratio of hypothalamic vesicular glutamate transporter 2 (VGluT2)/GAD65 was enhanced in the adult PEE offspring. These changes were also accompanied by the enhanced expression of glucocorticoid receptor (GR), N-methyl-D-aspartate-subtype glutamate receptor 2B and the decreased expression ratio of mineralocorticoid receptor (MR)/GR in the hippocampus. Furthermore, the abnormal hippocampus neurons were observed especially in the cornu ammonis 3 (CA3) and dentate gyrus subfields. For fetuses, PEE significantly decreased the expression of mammalian achaete-scute homolog-1 (Mash1) as well as GAD65 and Reln. Both VGluT2/GAD65 expression ratio and GR expression were increased while the MR/GR expression ratio was decreased in the PEE group. PEE also caused ultrastructural injury in CA3. Our findings suggest that PEE causes the persistent remodeling alterations of impaired morphology and decreased MR/GR expression ratio in the hippocampus, as well as the imbalanced glutamatergic/GABAergic afferent inputs in the hypothalamus. All of these would contribute to the enhanced sensitivity of the HPA axis in adult offspring. † Lu J and Wen YX contributed equally to this work.

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Cardiorespiratory measures before and after feeding challenge in term infants are related to birth weight

Abstract: Measurements of cardiorespiratory functions before and after feeding are related to birth weight and may provide markers that can help identify the most vulnerable of infants with small size at birth.

Cited by 10 publications

References 30 publications

Effect of rotating shift work on childbearing and birth weight: a study of women working in a semiconductor manufacturing factory

Effect of rotating shift work on childbearing and birth weight: a study of women working in a semiconductor manufacturing factory

Heart Rate Variability as a Feeding Intervention Outcome Measure in the Preterm Infant

Prenatal ethanol exposure induces an intrauterine programming of enhanced sensitivity of the hypothalamic–pituitary–adrenal axis in female offspring rats fed with post-weaning high-fat diet

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