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Postnatal Restricted growth in neonate

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https://www.readbyqxmd.com/read/29432424/neonatal-corticosteroid-therapy-affects-growth-patterns-in-early-infancy
#1
Deodata Tijsseling, Maike Ter Wolbeek, Jan B Derks, Willem B de Vries, Cobi J Heijnen, Frank van Bel, Eduard J H Mulder
OBJECTIVE: Although postnatal corticosteroid (CS) therapy has well established beneficial effects on pulmonary function, it may also result in growth restriction during treatment. The course of early childhood growth is believed to predict cardiovascular and metabolic diseases in adulthood. Therefore, we determined the effects of postnatal dexamethasone (DEX) or hydrocortisone (HC) treatment on patterns of postnatal growth until approximately four years of age. STUDY DESIGN: In an observational cohort study of children born prematurely (<32 weeks of gestation), we compared growth patterns for body weight, height, and head circumference from birth to age four years, of children who received DEX (boys: N = 30, girls: N = 14), HC (boys: N = 33, girls: N = 28) to a reference group that had not received postnatal CSs (boys: N = 52, girls: N = 53) using linear mixed-effects modeling...
2018: PloS One
https://www.readbyqxmd.com/read/29432217/prematurity-and-future-kidney-health-the-growing-risk-of-chronic-kidney-disease
#2
Michelle C Starr, Sangeeta R Hingorani
PURPOSE OF REVIEW: The purpose of this review is to describe the role prematurity plays in the development of chronic kidney disease (CKD) and to discuss potential reasons for this association including decreased nephron mass, as well as postnatal insults such as neonatal acute kidney injury (nAKI). RECENT FINDINGS: New observational studies in humans and experimental studies in animal models have strengthened the association between prematurity, low birth weight and CKD...
February 9, 2018: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/29413487/maternal-protein-restriction-during-lactation-induces-early-and-lasting-plasma-metabolomic-and-hepatic-lipidomic-signatures-of-the-offspring-in-a-rodent-programming-model
#3
Aurore Martin Agnoux, Angélina El Ghaziri, Thomas Moyon, Anthony Pagniez, Agnès David, Gilles Simard, Patricia Parnet, El Mostafa Qannari, Dominique Darmaun, Jean-Philippe Antignac, Marie-Cécile Alexandre-Gouabau
Perinatal undernutrition affects not only fetal and neonatal growth but also adult health outcome, as suggested by the metabolic imprinting concept. However, the exact mechanisms underlying offspring metabolic adaptations are not yet fully understood. Specifically, it remains unclear whether the gestation or the lactation is the more vulnerable period to modify offspring metabolic flexibility. We investigated in a rodent model of intrauterine growth restriction (IUGR) induced by maternal protein restriction (R) during gestation which time window of maternal undernutrition (gestation, lactation or gestation-lactation) has more impact on the male offspring metabolomics phenotype...
December 10, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/29410542/utility-of-prenatal-doppler-ultrasound-to-predict-neonatal-impaired-cerebral-autoregulation
#4
Sruthi R Polavarapu, Garrett D Fitzgerald, Stephen Contag, Suma B Hoffman
OBJECTIVE: Determine if abnormal prenatal Doppler ultrasound indices are predictive of postnatal impaired cerebral autoregulation. STUDY DESIGN: Prospective cohort study of 46 subjects, 240-296 weeks' gestation. Utilizing near-infrared spectroscopy and receiver-operating characteristic analysis, impaired cerebral autoregulation was defined as >16.5% time spent in a dysregulated state within 96 h of life. Normal and abnormal Doppler indices were compared for perinatal outcomes...
February 6, 2018: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/29351580/maternal-nutrient-restriction-impairs-young-adult-offspring-ovarian-signaling-resulting-in-reproductive-dysfunction-and-follicle-loss
#5
K A Chan, P A Jazwiec, W Gohir, J J Petrik, D M Sloboda
Reproductive abnormalities are included as health complications in offspring exposed to poor prenatal nutrition. We have previously shown in a rodent model, that offspring born to nutrient restriction during pregnancy are born small, enter puberty early, and display characteristics of early ovarian aging as adults. The present study investigated whether key proteins involved in follicle recruitment and growth mediate ovarian follicle loss. Pregnant rats were randomized to: a standard diet throughout pregnancy and lactation (CON), or a calorie-restricted (50% of control) diet (UN) during pregnancy...
January 17, 2018: Biology of Reproduction
https://www.readbyqxmd.com/read/29342173/hormone-induced-differential-transcriptome-analysis-of-sertoli-cells-during-postnatal-maturation-of-rat-testes
#6
Mukesh Gautam, Indrashis Bhattacharya, Umesh Rai, Subeer S Majumdar
Sertoli cells (Sc) are unique somatic cells of testis that are the target of both FSH and testosterone (T) and regulate spermatogenesis. Although Sc of neonatal rat testes are exposed to high levels of FSH and T, robust differentiation of spermatogonial cells becomes conspicuous only after 11-days of postnatal age. We have demonstrated earlier that a developmental switch in terms of hormonal responsiveness occurs in rat Sc at around 12 days of postnatal age during the rapid transition of spermatogonia A to B...
2018: PloS One
https://www.readbyqxmd.com/read/29338497/a-prospective-observational-study-comparing-cardiac-function-of-small-for-gestational-age-with-appropriate-for-gestational-age-babies-using-serial-echocardiographic-studies
#7
Manish Kumar, Santhanam Sridhar, Niranjan Thomas
BACKGROUND: Approximately 30% of babies born in India are low birth weight (LBW) and about 70% of LBW babies are small for gestational age (SGA). Though there are several trials that have evaluated cardiac function of intrauterine growth restricted (IUGR) babies in utero, there is limited data about postnatal cardiac function in SGA babies during early neonatal period. This study was conducted to evaluate the cardiac functions of SGA babies by serial echocardiographic measurements and compare this with appropriate for gestational age (AGA) babies during the early postnatal period...
January 16, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29301912/monitoring-the-postnatal-growth-of-preterm-infants-a-paradigm-change
#8
REVIEW
Jose Villar, Francesca Giuliani, Fernando Barros, Paola Roggero, Irma Alejandra Coronado Zarco, Maria Albertina S Rego, Roseline Ochieng, Maria Lorella Gianni, Suman Rao, Ann Lambert, Irina Ryumina, Carl Britto, Deepak Chawla, Leila Cheikh Ismail, Syed Rehan Ali, Jane Hirst, Jagjit Singh Teji, Karim Abawi, Jacqueline Asibey, Josephine Agyeman-Duah, Kenny McCormick, Enrico Bertino, Aris T Papageorghiou, Josep Figueras-Aloy, Zulfiqar Bhutta, Stephen Kennedy
There is no consensus regarding how the growth of preterm infants should be monitored or what constitutes their ideal pattern of growth, especially after term-corrected age. The concept that the growth of preterm infants should match that of healthy fetuses is not substantiated by data and, in practice, is seldom attained, particularly for very preterm infants. Hence, by hospital discharge, many preterm infants are classified as postnatal growth-restricted. In a recent systematic review, 61 longitudinal reference charts were identified, most with considerable limitations in the quality of gestational age estimation, anthropometric measures, feeding regimens, and how morbidities were described...
January 4, 2018: Pediatrics
https://www.readbyqxmd.com/read/29274932/adverse-perinatal-conditions-associated-with-prenatally-detected-fetal-echogenic-bowel-in-nova-scotia
#9
Rachelle Findley, Victoria M Allen, Jo-Ann K Brock
OBJECTIVE: This study sought to estimate the association of adverse perinatal outcomes with pregnancies complicated by fetal echogenic bowel. METHODS: Data for pregnancies complicated with echogenic bowel identified in the second trimester were derived from the tertiary referral IWK Health Centre (Halifax, NS) Viewpoint Ultrasound Database augmented by medical chart review. The study was undertaken between 2003 and 2014. Rates of positive cytomegalovirus and toxoplasmosis infection were determined using maternal serology and amniocentesis results...
December 21, 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/29258174/co-enzyme-q10-and-n-3-polyunsaturated-fatty-acid-supplementation-reverse-intermittent-hypoxia-induced-growth-restriction-and-improved-antioxidant-profiles-in-neonatal-rats
#10
Kay D Beharry, Charles L Cai, Michael M Henry, Sara Chowdhury, Gloria B Valencia, Jacob V Aranda
Neonatal intermittent hypoxia (IH) increases the risk for many morbidities in extremely low birth weight/gestational age (ELBW/ELGA) neonates with compromised antioxidant systems and poor growth. We hypothesized that supplementation with coenzyme Q10 (CoQ10, ubiquinol) or n-3 polyunsaturated fatty acids (PUFAs) during neonatal IH improves antioxidant profiles and somatic growth in neonatal rats. Newborn rats were exposed to two IH paradigms at birth (P0): (1) 50% O₂ with brief hypoxic episodes (12% O₂); or (2) room air (RA) with brief hypoxia, until P14 during which they received daily oral CoQ10 in olive oil, n-3 PUFAs in fish oil, or olive oil only from P0 to P14...
December 16, 2017: Antioxidants (Basel, Switzerland)
https://www.readbyqxmd.com/read/29171153/gene-expression-and-delayed-nephrogenesis-in-the-growth-restricted-rat-fetus-and-neonate
#11
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
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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