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Postnatal Restricted growth in neonate

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https://www.readbyqxmd.com/read/29171153/gene-expression-and-delayed-nephrogenesis-in-the-growth-restricted-rat-fetus-and-neonate
#1
EDITORIAL
A M Carter
In this issue of Acta Physiologica, Cuffe et al. [1] explore the molecular mechanisms behind impaired nephrogenesis in a rat model of uteroplacental insufficiency and fetal growth restriction. Nephron development was delayed after growth restriction, continuing late into the postnatal period, and this was reflected in increased abundance of branching morphogenesis genes a week after birth. This article is protected by copyright. All rights reserved.
November 24, 2017: Acta Physiologica
https://www.readbyqxmd.com/read/29122829/retrospective-cohort-analysis-on-pancreatic-enzyme-substitution-in-very-low-birthweight-infants-with-postnatal-growth-failure
#2
Julian O Ziegler, Christoph Maas, Wolfgang Bernhard, Joerg Arand, Christian F Poets, Axel R Franz
OBJECTIVE: To evaluate the effects of pancreatic enzyme substitution (PES) in selected very low birthweight (VLBW) infants with poor postnatal growth despite intensified nutritional support. DESIGN: Retrospective historic cohort study with matched controls. SETTING: Single level III neonatal intensive care unit. PATIENTS: Infants with a gestational age at birth <32 weeks and birth weight <1500 g born between 1 January 2005 and 31 December 2014 (n=26) who received PES for restricted postnatal growth despite intensified enteral nutritional support in comparison with infants matched for birth weight, birth year, gestational and postnatal age (n=52)...
November 9, 2017: Archives of Disease in Childhood. Fetal and Neonatal Edition
https://www.readbyqxmd.com/read/29081323/cardiovascular-adaptation-to-extrauterine-life-after-intrauterine-growth-restriction
#3
Luciana Rodriguez-Guerineau, Miriam Perez-Cruz, María D Gomez Roig, Francisco J Cambra, Juan Carretero, Fredy Prada, Olga Gómez, Fátima Crispi, Joaquim Bartrons
Introduction The adaptive changes of the foetal heart in intrauterine growth restriction can persist postnatally. Data regarding its consequences for early circulatory adaptation to extrauterine life are scarce. The aim of this study was to assess cardiac morphometry and function in newborns with late-onset intrauterine growth restriction to test the hypothesis that intrauterine growth restriction causes cardiac shape and functional changes at birth. METHODS: A comprehensive echocardiographic study was performed in 25 neonates with intrauterine growth restriction and 25 adequate-for-gestational-age neonates...
October 30, 2017: Cardiology in the Young
https://www.readbyqxmd.com/read/29078380/large-g-protein-%C3%AE-subunit-xl%C3%AE-s-limits-clathrin-mediated-endocytosis-and-regulates-tissue-iron-levels-in-vivo
#4
Qing He, Richard Bouley, Zun Liu, Marc N Wein, Yan Zhu, Jordan M Spatz, Chia-Yu Wang, Paola Divieti Pajevic, Antonius Plagge, Jodie L Babitt, Murat Bastepe
Alterations in the activity/levels of the extralarge G protein α-subunit (XLαs) are implicated in various human disorders, such as perinatal growth retardation. Encoded by GNAS, XLαs is partly identical to the α-subunit of the stimulatory G protein (Gsα), but the cellular actions of XLαs remain poorly defined. Following an initial proteomic screen, we identified sorting nexin-9 (SNX9) and dynamins, key components of clathrin-mediated endocytosis, as binding partners of XLαs. Overexpression of XLαs in HEK293 cells inhibited internalization of transferrin, a process that depends on clathrin-mediated endocytosis, while its ablation by CRISPR/Cas9 in an osteocyte-like cell line (Ocy454) enhanced it...
November 7, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29054041/cardiovascular-obstetric-and-neonatal-outcomes-in-women-with-previous-fontan-repair
#5
REVIEW
S J Bonner, O Asghar, A Roberts, S Vause, B Clarke, B Keavney
OBJECTIVES: To determine cardiovascular, obstetric and neonatal outcomes of pregnancies in women who have a Fontan circulation. METHODS: A retrospective case note review of all women with a Fontan circulation who attended the joint obstetric cardiac antenatal clinic at St Mary's Hospital, Manchester (UK) between 2004 and 2016 was performed. RESULTS: In total, there were 19 pregnancies in 9 women with a history of Fontan repair. 23 women with univentricular physiology attended in this time period...
December 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/29020825/the-yield-of-the-prenatal-work-up-in-intrauterine-growth-restriction-and-the-spectrum-of-fetal-abnormalities-detected-postnatally-%C3%A2
#6
Rivka Sukenik-Halevy, Adi Katz, Rivka H Regev, Ofer Markovitch, Reuven Sharony, Yael Ganor Paz, Tal Biron-Shental
OBJECTIVE: To evaluate the yield of work-up in intrauterine growth restriction (IUGR) pregnancies and their outcomes. MATERIALS AND METHODS: Retrospective data regarding prenatal work-up (serology, genetic testing and imaging), and neonatal outcomes of 198 IUGR pregnancies (estimated fetal weight <10th percentile) were analyzed. RESULTS: IUGR was isolated in 72 cases. Work-up performed in 158 (80%) cases was positive in 4 (2.5%). No abnormalities were detected in prenatal genetic testing...
October 29, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29020672/early-environmental-enrichment-enhances-abnormal-brain-connectivity-in-a-rabbit-model-of-intrauterine-growth-restriction
#7
Miriam Illa, Verónica Brito, Laura Pla, Elisenda Eixarch, Ariadna Arbat-Plana, Dafnis Batallé, Emma Muñoz-Moreno, Fatima Crispi, Esther Udina, Francesc Figueras, Silvia Ginés, Eduard Gratacós
INTRODUCTION: The structural correspondence of neurodevelopmental impairments related to intrauterine growth restriction (IUGR) that persists later in life remains elusive. Moreover, early postnatal stimulation strategies have been proposed to mitigate these effects. Long-term brain connectivity abnormalities in an IUGR rabbit model and the effects of early postnatal environmental enrichment (EE) were explored. MATERIALS AND METHODS: IUGR was surgically induced in one horn, whereas the contralateral one produced the controls...
October 12, 2017: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/28975880/small-size-at-birth-predicts-decreased-cardiomyocyte-number-in-the-adult-ovine-heart
#8
S Vranas, G K Heinemann, H Liu, M J De Blasio, J A Owens, K L Gatford, M J Black
Low birth weight is associated with increased risk of cardiovascular disease in adulthood. Intrauterine growth restriction (IUGR) hearts have fewer CMs in early postnatal life, which may impair postnatal cardiovascular function and hence, explain increased disease risk, but whether the cardiomyocyte deficit persists to adult life is unknown. We therefore studied the effects of experimentally induced placental restriction (PR) on cardiac outcomes in young adult sheep. Heart size, cardiomyocyte number, nuclearity and size were measured in control (n=5) and PR (n=5) male sheep at 1 year of age...
October 2017: Journal of Developmental Origins of Health and Disease
https://www.readbyqxmd.com/read/28922987/admissions-for-hypoglycaemia-after-35%C3%A2-weeks-of-gestation-perinatal-predictors-of-cost-of-stay
#9
Theodore Dassios, Anne Greenough, Stamatina Leontiadi, Ann Hickey, Nick Kametas
BACKGROUND: Hypoglycaemia accounts for approximately one tenth of term admissions to neonatal units, can cause long-term neurodevelopmental impairment and is associated with significant burden to the affected infants, families and the health system. OBJECTIVE: To define the prevalence, length and cost of admissions for hypoglycaemia in infants born at greater than 35 weeks gestation and to identify antenatal and perinatal predictors of those outcomes. MATERIAL AND METHODS: This was a retrospective audit of infants admitted for hypoglycaemia between 1/1/2012 and 31/12/2015, in a level three neonatal intensive care unit at King's College Hospital NHS Foundation Trust, London...
September 18, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28889777/assessment-of-neonatal-adrenal-size-using-high-resolution-2d-ultrasound-and-its-correlation-with-birth-demographics-and-clinical-outcomes
#10
Tijen Karsli, Diana Strickland, Jeffrey Livingston, Qiang Wu, Maroun J Mhanna, Prem S Shekhawat
OBJECTIVE: Assessment of adrenal function in a sick neonate remains a challenge in spite of major advances in neonatal care. We used 2D ultrasound of adrenal glands to assess maturity of adrenal glands in extremely preterm infants and sick term and near term infants. STUDY DESIGN: We collected demographics details of 99 mother-infants pairs (24-41 weeks) and obtained 2D ultrasound scans of adrenal glands in first week of life to measure adrenal volume, fetal zone size, and adrenal to kidney ratios...
September 24, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28837134/clinician-performed-ultrasound-in-fetal-growth-restriction-fetal-neonatal-and-pediatric-aspects
#11
A Sehgal, F Crispi, M R Skilton, W-P de Boode
Fetal growth restriction (FGR) affects 7-10% pregnancies. Conventional and tissue Doppler imaging has noted cardiac compromise during fetal and early neonatal periods in this cohort. In this article, we discuss the use of salient ultrasound parameters across age groups. During fetal life, certain feto-placental sonographic parameters have been linked to adverse perinatal outcomes and are predictive of later life hypertension. During the early postnatal period altered morphometry (hypertrophied and globular hearts) with sub-clinical impairment of cardiac function has been noted in both term and preterm infants with FGR...
August 24, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28800397/association-between-the-7-day-moving-average-for-nutrition-and-growth-in-very-low-birth-weight-infants
#12
Gustave H Falciglia, Karna Murthy, Jane Holl, Hannah L Palac, Yuliya Oumarbaeva, Pratyusha Yadavalli, Donna Woods, Daniel T Robinson
BACKGROUND: Very low birth weight (VLBW) infants remain at risk for postnatal growth restriction. Clinicians may have difficulty identifying growth patterns resulting from nutrition interventions, impeding prompt management changes intended to increase growth velocity. This study aimed to quantify the association between growth and nutrition intake through 7-day moving averages (SDMAs). METHODS: The first 6 weeks of daily nutrition intake and growth measurements were collected from VLBW infants admitted to a level 4 neonatal intensive care unit (2011-2014)...
August 1, 2017: JPEN. Journal of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28696058/early-postnatal-gentamicin-and-ceftazidime-treatment-in-normal-and-food-restricted-neonatal-wistar-rats-implications-for-kidney-development
#13
Ruud R G Bueters, Annelies Jeronimus-Klaasen, Roger J M Brüggemann, Lambertus P van den Heuvel, Michiel F Schreuder
BACKGROUND: Up to two-thirds of premature born neonates are treated for infections with aminoglycosides such as gentamicin. Although acute toxicities are well described, there is uncertainty on developmental changes after treatment of premature born neonates. We studied the effect of gentamicin and ceftazidime on kidney development in the rat. Additionally, we evaluated the modulating effect of extrauterine growth restriction. METHODS: On postnatal day (PND) 2, Wistar rats were cross-fostered into normal sized litters (12 pups) or large litters (20 pups) to create normal food (NF) or food restricted (FR) litters to simulate growth restriction and dosed daily intraperitoneally with placebo, 4 mg/kg of gentamicin or 50 mg/kg ceftazidime until PND 8...
July 11, 2017: Birth Defects Research
https://www.readbyqxmd.com/read/28679621/maternal-methyl-donor-and-cofactor-supplementation-in-late-pregnancy-increases-%C3%AE-cell-numbers-at-16-days-of-life-in-growth-restricted-twin-lambs
#14
Siti A Sulaiman, Miles J De Blasio, M Lyn Harland, Kathryn L Gatford, Julie A Owens
Restricted growth before birth (IUGR) increases adult risk of Type 2 diabetes by impairing insulin sensitivity and secretion. Altered fetal one-carbon metabolism is implicated in developmental programming of adult health and disease by IUGR. Therefore, we evaluated effects of maternal dietary supplementation with methyl donors and cofactors (MMDS), designed to increase fetal supply, on insulin action in the spontaneously IUGR twin lamb. In vivo glucose-stimulated insulin secretion and insulin sensitivity were measured at days 12-14 in singleton controls (CON, n = 7 lambs from 7 ewes), twins (IUGR, n = 8 lambs from 8 ewes), and twins from ewes that received MMDS (2 g rumen-protected methionine, 300 mg folic acid, 1...
October 1, 2017: American Journal of Physiology. Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28663264/new-ultrasound-measurements-to-bridge-the-gap-between-prenatal-and-neonatal-brain-growth-assessment
#15
I V Koning, J A Roelants, I A L Groenenberg, M J Vermeulen, S P Willemsen, I K M Reiss, P P Govaert, R P M Steegers-Theunissen, J Dudink
BACKGROUND AND PURPOSE: Most ultrasound markers for monitoring brain growth can only be used in either the prenatal or the postnatal period. We investigated whether corpus callosum length and corpus callosum-fastigium length could be used as markers for both prenatal and postnatal brain growth. MATERIALS AND METHODS: A 3D ultrasound study embedded in the prospective Rotterdam Periconception Cohort was performed at 22, 26 and 32 weeks' gestational age in fetuses with fetal growth restriction, congenital heart defects, and controls...
June 29, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28632972/nonrandomised-interventional-study-showed-that-early-aggressive-nutrition-was-effective-in-reducing-postnatal-growth-restriction-in-preterm-infants
#16
Giulia Genoni, Marco Binotti, Alice Monzani, Elena Bernascone, Ilaria Stasi, Gianni Bona, Federica Ferrero
AIM: This study evaluated whether an early aggressive nutrition (EAN) strategy could limit extrauterine growth restriction (EUGR) in a cohort of preterm infants. METHODS: This prospective nonrandomised interventional study was carried out in the neonatal intensive care unit of an Italian hospital from January 2013 to December 2015. The prevalence of EUGR was assessed in 100 infants with a gestational age of ≤34 weeks, 50 after the introduction of an EAN regimen in October 2014 and 50 before...
October 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28572154/novel-role-of-npy-in-neuroimmune-interaction-and-lung-growth-after-intrauterine-growth-restriction
#17
Chansutha Thangaratnarajah, Katharina Dinger, Christina Vohlen, Christian Klaudt, Jawed Nawabi, Eva Lopez Garcia, Grazyna Kwapiszewska, Julia Dobner, Kai D Nüsken, Silke van Koningsbruggen-Rietschel, Stephan von Hörsten, Jörg Dötsch, Miguel A Alejandre Alcázar
Individuals with intrauterine growth restriction (IUGR) are at risk for chronic lung disease. Using a rat model, we showed in our previous studies that altered lung structure is related to IL-6/STAT3 signaling. As neuropeptide Y (NPY), a coneurotransmitter of the sympathetic nervous system, regulates proliferation and immune response, we hypothesized that dysregulated NPY after IUGR is linked to IL-6, impaired myofibroblast function, and alveolar growth. IUGR was induced in rats by isocaloric low-protein diet; lungs were analyzed on embryonic day (E) 21, postnatal day (P) 3, P12, and P23...
September 1, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28554968/neonatal-high-protein-intake-enhances-neonatal-growth-without-significant-adverse-renal-effects-in-spontaneous-iugr-piglets
#18
Farid Boubred, Agnes Jamin, Christophe Buffat, Laurent Daniel, Patrick Borel, Gaëlle Boudry, Isabelle Le Huëron-Luron, Umberto Simeoni
In humans, early high protein (HP) intake has been recommended to prevent postnatal growth restriction and complications of intrauterine growth restriction (IUGR). However, the impact of such a strategy on the kidneys remains unknown, while significant renal hypertrophy, proteinuria, and glomerular sclerosis have been demonstrated in few experimental studies. The objective of this study was to evaluate the effects of a neonatal HP formula on renal structure in IUGR piglets. Spontaneous IUGR piglets were randomly allocated to normal protein (NP, n = 10) formula or to HP formula (+50% protein content, n = 10) up to day 28 after birth...
May 2017: Physiological Reports
https://www.readbyqxmd.com/read/28528221/bronchopulmonary-dysplasia-and-perinatal-characteristics-predict-1-year-respiratory-outcomes-in-newborns-born-at-extremely-low-gestational-age-a-prospective-cohort-study
#19
MULTICENTER STUDY
Roberta L Keller, Rui Feng, Sara B DeMauro, Thomas Ferkol, William Hardie, Elizabeth E Rogers, Timothy P Stevens, Judith A Voynow, Scarlett L Bellamy, Pamela A Shaw, Paul E Moore
OBJECTIVE: To assess the utility of clinical predictors of persistent respiratory morbidity in extremely low gestational age newborns (ELGANs). STUDY DESIGN: We enrolled ELGANs (<29 weeks' gestation) at ≤7 postnatal days and collected antenatal and neonatal clinical data through 36 weeks' postmenstrual age. We surveyed caregivers at 3, 6, 9, and 12 months' corrected age to identify postdischarge respiratory morbidity, defined as hospitalization, home support (oxygen, tracheostomy, ventilation), medications, or symptoms (cough/wheeze)...
August 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28484595/fetal-and-neonatal-programming-of-postnatal-growth-and-feed-efficiency-in-swine
#20
REVIEW
Yun Ji, Zhenlong Wu, Zhaolai Dai, Xiaolong Wang, Ju Li, Binggen Wang, Guoyao Wu
Maternal undernutrition or overnutrition during pregnancy alters organ structure, impairs prenatal and neonatal growth and development, and reduces feed efficiency for lean tissue gains in pigs. These adverse effects may be carried over to the next generation or beyond. This phenomenon of the transgenerational impacts is known as fetal programming, which is mediated by stable and heritable alterations of gene expression through covalent modifications of DNA and histones without changes in DNA sequences (namely, epigenetics)...
2017: Journal of Animal Science and Biotechnology
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