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Postnatal Restricted growth in neonate

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https://www.readbyqxmd.com/read/29890254/intrauterine-growth-restriction-may-reduce-hepatic-drug-metabolism-in-the-early-neonatal-period
#1
Jia Yin Soo, Michael D Wiese, Mary J Berry, I Caroline McMillen, Janna L Morrison
The effects of intrauterine growth restriction (IUGR) extend well into postnatal life. IUGR is associated with an increased risk of adverse health outcomes, which often leads to greater medication usage. Many medications require hepatic metabolism for activation or clearance, but hepatic function may be altered in IUGR fetuses. Using a sheep model of IUGR, we determined the impact of IUGR on hepatic drug metabolism and drug transporter expression, both important mediators of fetal drug exposure, in late gestation and in neonatal life...
June 8, 2018: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/29796117/postnatal-relative-adrenal-insufficiency-results-in-methylation-of-the-glucocorticoid-receptor-gene-in-preterm-infants-a-retrospective-cohort-study
#2
Masato Kantake, Natsuki Ohkawa, Tomohiro Iwasaki, Naho Ikeda, Atsuko Awaji, Nobutomo Saito, Hiromichi Shoji, Toshiaki Shimizu
Background: To investigate the relationship between early-life stress and glucocorticoid receptor (GR) gene methylation, which may result in long-lasting neurodevelopmental impairment, we performed a longitudinal analysis of the methylation ratio within the GR gene promoter 1F region using next-generation sequencing in preterm infants.Cell-free DNA was extracted from the frozen serum of 19 preterm birth infants at birth and at 1 and 2 months after birth. All were admitted to the neonatal intensive care unit of Juntendo University Shizuoka Hospital between August 2014 and May 2016 and suffered from chronic lung disease (CLD)...
2018: Clinical Epigenetics
https://www.readbyqxmd.com/read/29795212/neonatal-autonomic-function-after-pregnancy-complications-and-early-cardiovascular-development
#3
Christina Y L Aye, Adam James Lewandowski, Julien Oster, Ross Upton, Esther Davis, Yvonne Kenworthy, Henry Boardman, Grace Z Yu, Timo Siepmann, Satish Adwani, Kenny McCormick, Yrsa B Sverrisdottir, Paul Leeson
BACKGROUND: Heart rate variability (HRV) has emerged as a predictor of later cardiac risk. This study tested whether pregnancy complications that may have long-term offspring cardiac sequelae are associated with differences in HRV at birth, and whether these HRV differences identify abnormal cardiovascular development in the postnatal period. METHODS: Ninety-eight sleeping neonates had 5-min electrocardiogram recordings at birth. Standard time and frequency domain parameters were calculated and related to cardiovascular measures at birth and 3 months of age...
May 23, 2018: Pediatric Research
https://www.readbyqxmd.com/read/29790700/early-hypophosphatemia-in-very-low-birth-weight-preterm-infants
#4
REVIEW
Agata Pająk, Barbara Królak-Olejnik, Agnieszka Szafrańska
Refeeding Syndrome (RFS) is a well-known group of symptoms which occur after the introduction of enteral or parenteral nutrition in undernourished patients. Intrauterine growth restriction (IUGR) is the equivalent of postnatal RFS following the beginning of feeding. The aggressive parenteral nutrition of neonates with very low birth weight (VLBW) resulting from the termination of intrauterine transplacental nutrition is a source of biochemical disorders. The aim of this study was to analyze metabolic disorders in preterm infants during the 1st week of life and to determine the hypophosphatemia risk factors in low birth weight neonates receiving parenteral nutrition...
May 21, 2018: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/29763885/intrauterine-growth-restriction-affects-cerebellar-granule-cells-in-the-developing-guinea-pig-brain
#5
Mary Tolcos, Annie McDougall, Amy Shields, Yoonyoung Chung, Rachael O'Dowd, Ann Turnley, Megan Wallace, Sandra Rees
Intrauterine growth restriction (IUGR) can lead to adverse neurodevelopmental sequelae in postnatal life. However, the effects of IUGR on the cerebellum are still to be fully elucidated. A major determinant of growth and development of the cerebellum is proliferation and subsequent migration of cerebellar granule cells. Our objective was to determine whether IUGR, induced by chronic placental insufficiency (CPI) in guinea pigs, results in abnormal cerebellar development due to deficits suggestive of impaired granule cell proliferation and/or migration...
May 15, 2018: Developmental Neuroscience
https://www.readbyqxmd.com/read/29729218/neonatal-growth-restriction-slows-cardiomyocyte-development-and-reduces-adult-heart-size
#6
Madeline H Knott, Sarah E Haskell, Payton E Strawser, Olivia M Rice, Natalie T Bonthius, Vani C Movva, Benjamin E Reinking, Robert D Roghair
OBJECTIVES: Prematurity is associated with reduced cardiac dimensions and an increased risk of cardiovascular disease. While prematurity is typically associated with ex utero neonatal growth restriction (GR), the independent effect of neonatal GR on cardiac development has not been established. We tested the hypothesis that isolated neonatal GR decreases cardiomyocyte growth and proliferation, leading to long-term alterations in cardiac morphology. METHODS: C57BL/6 mice were fostered in litters ranging in size from 6 to 12 pups to accentuate normal variation in neonatal growth...
May 5, 2018: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/29650428/-extrauterine-growth-restriction-among-neonates-with-a-birthweight-less-than-1-500grams
#7
Alejandro Avila-Alvarez, Alfonso Solar Boga, Carmen Bermúdez-Hormigo, Jesús Fuentes Carballal
INTRODUCTION: Growth restriction in preterm infants has been related to a poor neurodevelopment outcome. OBJECTIVES: To define the incidence of postnatal growth restriction in premature babies ≤1,500 grams and to detect related clinical or biochemical markers. METHODS: Retrospective longitudinal observational study. Multivariate linear regression models were used to determine variables that can predict the change in weight z-score during admission...
April 9, 2018: Anales de Pediatría: Publicación Oficial de la Asociación Española de Pediatría (A.E.P.)
https://www.readbyqxmd.com/read/29582948/-advances-in-fetal-therapy-in-complicated-monochorionic-pregnancies-and-in-severe-congenital-diaphragmatic-hernia-five-years-experience
#8
Yuval Gielchinsky, Dan V Valsky, Nili Yanai, Firas J Abdeljawad, Mazen A Muhaisen, Dan Arbell, Yehuda Ginosar, Orna Ben-Yosef, Orite Winograd, Benjamin Bar-Oz, Simcha Yagel, Smadar Eventov-Friedman
INTRODUCTION: : Minimally invasive fetal therapeutic procedures reduce the morbidity and mortality in monochorionic (MC) twins and in fetuses with congenital diaphragmatic hernia (CDH). MC pregnancies share their blood systems due to communicating vessels over their single placenta and may develop specific complications: Twin-to-Twin transfusion syndrome (TTTS), Selective intrauterine growth restriction (sIUGR), Twin Anemia-Polycythemia Sequence (TAPS), Twin Reverse Arterial Perfusion Syndrome (TRAP) or anomalies in one...
March 2018: Harefuah
https://www.readbyqxmd.com/read/29581556/salt-sensitivity-of-blood-pressure-at-age-8-years-in-children-born-preterm
#9
Charlotte A Ruys, Joost Rotteveel, Monique van de Lagemaat, Harrie N Lafeber, Martijn J J Finken
Preterm birth and low birth weight have been associated with an increased risk of hypertension; postnatal growth and dietary salt intake may contribute to these associations. In adults, the change of blood pressure (BP) in response to modifications in salt intake, i.e., salt sensitivity of BP, has been independently associated with cardiovascular disease. Little is known about salt sensitivity in children. We hypothesize that it may partly explain the association between preterm birth and higher BP in later life...
March 27, 2018: Journal of Human Hypertension
https://www.readbyqxmd.com/read/29572747/severe-nasomaxillary-hypoplasia-binder-phenotype-on-prenatal-us-mri-an-important-marker-for-the-prenatal-diagnosis-of-chondrodysplasia-punctata
#10
Anna R Blask, Eva I Rubio, Kimberly A Chapman, Anne K Lawrence, Dorothy I Bulas
BACKGROUND: Chondrodysplasia punctata is a skeletal dysplasia caused by a diverse spectrum of etiologies, with outcomes ranging from antenatal demise to a normal life span. Prenatal detection can be challenging. OBJECTIVE: To review a series of cases of chondrodysplasia punctata associated with nasomaxillary hypoplasia, known as the Binder phenotype, and to highlight prenatal ultrasound and MRI findings, as well as postnatal MRI and radiographic findings. MATERIALS AND METHODS: We retrospectively reviewed ultrasound, MRI and radiographic imaging findings in postnatally confirmed cases of chondrodysplasia punctata from 2001 to 2017...
March 23, 2018: Pediatric Radiology
https://www.readbyqxmd.com/read/29543698/dose-response-relationship-between-donor-human-milk-mother-s-own-milk-preterm-formula-and-neonatal-growth-outcomes
#11
Elizabeth A Brownell, Adam P Matson, Kelsey C Smith, James E Moore, Patricia A Esposito, Mary M Lussier, Trudy J Lerer, James I Hagadorn
BACKGROUND: A dose-response relationship between proportions of donor human milk (DHM) intake and in-neonatal intensive care unit (in-NICU) growth rates, if any, remains poorly defined. Objective was to evaluate interrelationships between percentages of DHM, mother's own milk (MOM), and preterm formula (PF) intake and neonatal growth parameters at 36 weeks postmenstrual age or NICU discharge. METHODS: Infants eligible for this single-center retrospective study were inborn at ≤32 weeks gestation or ≤1800 g, stayed in the NICU for ≥7 days, and received enteral nutrition consisting of human milk fortified with Enfamil human milk fortifier acidified liquid...
March 14, 2018: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/29466685/prolactin-regulates-liver-growth-during-postnatal-development-in-mice
#12
Bibiana Moreno-Carranza, Marco Bravo-Manríquez, Arelí Baez, María G Ledesma-Colunga, Xarubet Ruiz-Herrera, Pamela Reyes-Ortega, Ericka A De Los Ríos, Yazmín Macotela, Gonzalo Martínez de la Escalera, Carmen Clapp
The liver grows during the early postnatal period first at slower and then at faster rates than the body to achieve the adult liver-to-body weight ratio (LBW), a constant reflecting liver health. The hormone prolactin (PRL) stimulates adult liver growth and regeneration and its levels are high in the circulation of newborn infants, but whether PRL plays a role on neonatal liver growth is unknown. Here, we show that the liver produces PRL and upregulates the PRL receptor in mice during the first 2 weeks after birth, when liver growth lags behind body growth...
February 21, 2018: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/29462812/survival-rate-without-brain-abnormalities-on-postnatal-ultrasonography-among-monochorionic-twins-after-fetoscopic-laser-photocoagulation-for-selective-intrauterine-growth-restriction-with-concomitant-oligohydramnios
#13
Keisuke Ishii, Seiji Wada, Mayumi Takano, Masahiko Nakata, Takeshi Murakoshi, Haruhiko Sago
INTRODUCTION: We aimed to clarify the survival rate without brain abnormalities (BA) after fetoscopic laser photoco-agulation (FLP) for monochorionic diamniotic twin gestations (MCDA) with selective intrauterine growth restriction (sIUGR) accompanied by abnormal umbilical artery (UA) Doppler waveforms and isolated oligohydramnios in the sIUGR twin. MATERIALS AND METHODS: This retrospective study included 52 cases that underwent FLP. The main outcome was survival rate without BA of the twins at age 28 days...
February 20, 2018: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/29432424/neonatal-corticosteroid-therapy-affects-growth-patterns-in-early-infancy
#14
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
#15
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...
April 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
#16
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
#17
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
#18
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
#19
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
#20
Manish Kumar, Sridhar Santhanam, Niranjan Thomas, Atanu Kumar Jana
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 31, 2018: Journal of Maternal-fetal & Neonatal Medicine
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