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Iron and neonate

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https://www.readbyqxmd.com/read/29145693/early-erythropoiesis-stimulating-agents-in-preterm-or-low-birth-weight-infants
#1
REVIEW
Arne Ohlsson, Sanjay M Aher
BACKGROUND: Preterm infants have low plasma levels of erythropoietin (EPO), providing a rationale for the use of erythropoiesis-stimulating agents (ESAs) to prevent or treat anaemia and to provide neuro protection and protection against necrotising enterocolitis (NEC). Darbepoetin (Darbe) and EPO are currently available ESAs. OBJECTIVES: To assess the effectiveness and safety of ESAs (erythropoietin (EPO) and/or Darbe) initiated early (before eight days after birth) compared with placebo or no intervention in reducing red blood cell (RBC) transfusions, adverse neurological outcomes, and feeding intolerance including necrotising enterocolitis (NEC) in preterm and/or low birth weight infants...
November 16, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29130703/nutritional-practices-in-very-low-birth-weight-infants-a-national-survey
#2
Gerardo Rodríguez-Martínez, Eduardo Narbona, Marcos Linés, María Gormaz, Miguel Sáenz de Pipaón, Ricardo Closa, José Uberos, Carlos Zozaya, María L Couce
BACKGROUND: Significant efforts have been made to improve the nutritional support of very preterm infants. Large surveys may help to know the nutritional practices for preterm infants in neonatal units and identify if they are in line with the current guidelines. METHODS: A multicentre nationwide web-based survey on clinical feeding practices in very low birth weight (VLBW) infants was conducted in tertiary neonatal hospitals that admit infants with a birth weight < 1,500 g and/or a gestational age of < 32 weeks...
October 24, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/29118462/predictive-role-of-f2-isoprostanes-as-biomarkers-for-brain-damage-after-neonatal-surgery
#3
L J Stolwijk, P M A Lemmers, M Y A van Herwaarden, D C van der Zee, F van Bel, F Groenendaal, M L Tataranno, M Calderisi, M Longini, F Bazzini, M J N L Benders, G Buonocore
Objective: Neonates have a high risk of oxidative stress during anesthetic procedures. The predictive role of oxidative stress biomarkers on the occurrence of brain injury in the perioperative period has not been reported before. Methods: A prospective cohort study of patients requiring major surgery in the neonatal period was conducted. Biomarker levels of nonprotein-bound iron (NPBI) in plasma and F2-isoprostane in plasma and urine before and after surgical intervention were determined...
2017: Disease Markers
https://www.readbyqxmd.com/read/29113123/high-neonatal-blood-iron-content-is-associated-with-the-risk-of-childhood-type-1-diabetes-mellitus
#4
Julie Nyholm Kyvsgaard, Anne Julie Overgaard, Steffen Ullitz Thorsen, Thomas Hesselhøj Hansen, Christian Bressen Pipper, Henrik Bindesbøl Mortensen, Flemming Pociot, Jannet Svensson
(1) Background: Iron requirement increases during pregnancy and iron supplementation is therefore recommended in many countries. However, excessive iron intake may lead to destruction of pancreatic β-cells. Therefore, we aim to test if higher neonatal iron content in blood is associated with the risk of developing type 1 diabetes mellitus (T1D) in childhood; (2) Methods: A case-control study was conducted, including 199 children diagnosed with T1D before the age of 16 years from 1991 to 2005 and 199 controls matched on date of birth...
November 6, 2017: Nutrients
https://www.readbyqxmd.com/read/29101631/effect-of-placental-transfusion-on-iron-stores-in-moderately-preterm-neonates-of-30-33%C3%A2-weeks-gestation
#5
Bikramjit Das, Venkataseshan Sundaram, Praveen Kumar, William T Mordi, Lakhbir K Dhaliwal, Reena Das
OBJECTIVE: To assess the effect of placental transfusion by delayed cord clamping (DCC) of 60 s or cord milking (CM) on serum ferritin levels at hospital discharge and 3 mo of postmenstrual age (PMA) in preterm neonates of 30 to 33 wk gestation in comparison to early cord clamping (ECC) within 10 s. METHODS: This mixed longitudinal study was conducted in moderately preterm neonates of 30 to 33 wk gestation born in a level III unit in Northern India with the study sample nested within a randomized controlled trial on placental transfusion...
November 4, 2017: Indian Journal of Pediatrics
https://www.readbyqxmd.com/read/29091923/the-impact-of-antenatal-care-iron-folic-acid-supplementation-and-tetanus-toxoid-vaccination-during-pregnancy-on-child-mortality-in-bangladesh
#6
Tanvir Abir, Felix Akpojene Ogbo, Garry John Stevens, Andrew Nicolas Page, Abul Hasnat Milton, Kingsley Emwinyore Agho
BACKGROUND: Appropriate antenatal care (ANC) is an important preventive public health intervention to ensure women's and newborn health outcomes. The study aimed to investigate the impact of ANC, iron-folic acid (IFA) supplementation and tetanus toxoid (TT) vaccination during pregnancy on child mortality in Bangladesh. METHOD: A cross-sectional study of three datasets from the Bangladesh Demographic and Health Surveys for the years 2004, 2007 and 2011 were pooled and used for the analyses...
2017: PloS One
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
#7
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...
October 23, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29070557/iron-status-of-north-american-pregnant-women-an-update-on-longitudinal-data-and-gaps-in-knowledge-from-the-united-states-and-canada
#8
REVIEW
Kimberly O O'Brien, Yuan Ru
Pregnant women are particularly vulnerable to iron deficiency due to the high iron demands of pregnancy. To avoid the adverse birth outcomes that are associated with maternal iron deficiency anemia, both Canada and the United States recommend universal iron supplementation for pregnant women. Although the benefits of iron supplementation in anemic women are well recognized, insufficient data are currently available on the maternal and neonatal benefits and harms of universal iron supplementation in developed countries as evidenced by the recent conclusions of the US Preventive Services Task Force on the need for further data that address existing gaps...
October 25, 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29065736/investigation-of-possible-maternal-and-fetal-factors-which-affect-umbilical-coiling-index
#9
Muberra Namli Kalem, Ziya Kalem, Nilufer Akgun, Ebru Yuce, Hatice Aktas
AIM: The aim of this study was to investigate the possible maternal and fetal factors which affect the Umbilical Coiling Index (UCI). METHODS: This prospective, observational, analytic study was conducted using the data of 380 women with term pregnancy and newborns who presented at a University Hospital. Hemoglobin (Hb), ferritin, iron, and the total iron binding capacity (TIBC) of the maternal blood were measured, and transferrin saturation was estimated based on the ratio between serum iron and TIBC...
October 24, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29059584/lactoferrin-or-ferrous-salts-for-iron-deficiency-anemia-in-pregnancy-a-meta-analysis-of-randomized-trials
#10
REVIEW
Hatem Abu Hashim, Osama Foda, Essam Ghayaty
This systematic review and meta-analysis aimed to evaluate the efficacy of daily oral bovine lactoferrin versus daily oral ferrous iron preparations for treatment of iron deficiency anemia (IDA) during pregnancy. Searches were conducted on PubMed, ScienceDirect, ClinicalTrials.gov and CENTRAL databases from inception to February 2017 and the bibliographies of retrieved articles were screened. The PRISMA Statement was followed. Published English language randomized trials comparing lactoferrin with oral ferrous iron preparations in pregnant women with iron deficiency anemia were included...
October 4, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/29055896/sifd-as-a-novel-cause-of-severe-fetal-hydrops-and-neonatal-anaemia-with-iron-loading-and-marked-extramedullary-haemopoiesis
#11
Chris Barton, Sabiha Kausar, Deborah Kerr, Stefania Bitetti, Rob Wynn
SIFD describes a heritable, syndromic condition characterised principally by sideroblastic anaemia (SA) with immunodeficiency, fevers and developmental delay, arising in mutations within the TRNT1 gene. Other clinical manifestations of SIFD include cardiomyopathy, seizures, sensorineural hearing loss, renal dysfunction, metabolic abnormalities, hepatosplenomegaly and retinitis pigmentosa.Presentation of SIFD is variable but typically in early childhood with SA or with fever. In this report, we extend the described SIFD phenotype...
October 21, 2017: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/29050512/iron-deficiency-beyond-erythropoiesis-should-we-be-concerned
#12
Khaled M Musallam, Ali T Taher
OBJECTIVE: To consider the key implications of iron deficiency for biochemical and physiological functions beyond erythropoiesis. METHODS: PubMed was searched for relevant journal articles published up to August 2017. RESULTS: Anemia is the most well-recognized consequence of persisting iron deficiency, but various other unfavorable consequences can develop either before or concurrently with anemia. Mitochondrial function can be profoundly disturbed since iron is a cofactor for heme-containing enzymes and non-heme iron-containing enzymes in the mitochondrial electron transport chain...
October 20, 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/29049846/successful-management-of-transfusion-dependent-congenital-dyserythropoietic-anemia-type-1b-with-interferon-alfa-2a
#13
Mathias Rathe, Michael Boe Møller, Pernille Wied Greisen, Niels Fisker
The congenital dyserythropoietic anemias (CDAs) are a group of rare inherited blood disorders characterized by ineffective erythropoiesis as the principal cause of anemia. We present a child with CDA 1b-the rarest and least well-described type-due to a mutation in the C15orf41 gene. The patient presented with severe in utero and neonatal manifestations, typical peripheral limb anomalies as well as rarely reported cardiac manifestations, visual impairment, short stature, and hip dysplasia. Anemia was complicated by iron overload and pronounced extra medullary erythropoiesis leading to skull deformities...
October 19, 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/29048731/caesarean-delivery-and-anaemia-risk-in-children-in-45-low-and-middle-income-countries
#14
Calistus Wilunda, Satomi Yoshida, Marta Blangiardo, Ana Pilar Betran, Shiro Tanaka, Koji Kawakami
Caesarean delivery (CD) may reduce placental transfusion and cause poor iron-related haematological indices in the neonate. We aimed to explore the association between CD and anaemia in children aged <5 years utilising data from Demographic and Health Surveys conducted between 2005 and 2015 in 45 low- and middle-income countries (N = 132,877). We defined anaemia categories based on haemoglobin levels, analysed each country's data separately using propensity-score weighting, pooled the country-specific odds ratios (ORs) using random effects meta-analysis, and performed meta-regression to determine whether the association between CD and anaemia varies by national CD rate, anaemia prevalence, and gross national income...
October 19, 2017: Maternal & Child Nutrition
https://www.readbyqxmd.com/read/29025632/modifiers-of-the-effect-of-maternal-multiple-micronutrient-supplementation-on-stillbirth-birth-outcomes-and-infant-mortality-a-meta-analysis-of-individual-patient-data-from-17-randomised-trials-in-low-income-and-middle-income-countries
#15
Emily R Smith, Anuraj H Shankar, Lee S-F Wu, Said Aboud, Seth Adu-Afarwuah, Hasmot Ali, Rina Agustina, Shams Arifeen, Per Ashorn, Zulfiqar A Bhutta, Parul Christian, Delanjathan Devakumar, Kathryn G Dewey, Henrik Friis, Exnevia Gomo, Piyush Gupta, Pernille Kæstel, Patrick Kolsteren, Hermann Lanou, Kenneth Maleta, Aissa Mamadoultaibou, Gernard Msamanga, David Osrin, Lars-Åke Persson, Usha Ramakrishnan, Juan A Rivera, Arjumand Rizvi, H P S Sachdev, Willy Urassa, Keith P West, Noel Zagre, Lingxia Zeng, Zhonghai Zhu, Wafaie W Fawzi, Christopher R Sudfeld
BACKGROUND: Micronutrient deficiencies are common among women in low-income and middle-income countries. Data from randomised trials suggest that maternal multiple micronutrient supplementation decreases the risk of low birthweight and potentially improves other infant health outcomes. However, heterogeneity across studies suggests influence from effect modifiers. We aimed to identify individual-level modifiers of the effect of multiple micronutrient supplements on stillbirth, birth outcomes, and infant mortality in low-income and middle-income countries...
November 2017: Lancet Global Health
https://www.readbyqxmd.com/read/29021370/integrating-nutrition-interventions-into-an-existing-maternal-neonatal-and-child-health-program-increased-maternal-dietary-diversity-micronutrient-intake-and-exclusive-breastfeeding-practices-in-bangladesh-results-of-a-cluster-randomized-program-evaluation
#16
Phuong Hong Nguyen, Sunny S Kim, Tina Sanghvi, Zeba Mahmud, Lan Mai Tran, Sadia Shabnam, Bachera Aktar, Raisul Haque, Kaosar Afsana, Edward A Frongillo, Marie T Ruel, Purnima Menon
Background: Maternal undernutrition is a major concern globally, contributing to poor birth outcomes. Limited evidence exists on delivering multiple interventions for maternal nutrition simultaneously. Alive & Thrive addressed this gap by integrating nutrition-focused interpersonal counseling, community mobilization, distribution of free micronutrient supplements, and weight-gain monitoring through an existing Maternal, Neonatal, and Child Health (MNCH) program in Bangladesh.Objectives: We evaluated the effect of providing nutrition-focused MNCH compared with standard MNCH (antenatal care with standard nutrition counseling) on coverage of nutrition interventions, maternal dietary diversity, micronutrient supplement intake, and early breastfeeding practices...
October 11, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28981562/rare-%C3%AE-0-thalassemia-deletions-detected-by-mlpa-in-five-unrelated-brazilian-patients
#17
Natália O Mota, Elza M Kimura, Roberta D Ferreira, Gisele A Pedroso, Dulcinéia M Albuquerque, Daniela M Ribeiro, Magnun N N Santos, Cristina M Bittar, Fernando F Costa, Maria de Fatima Sonati
Alpha-thalassemias are among the most common genetic diseases in the world. They are characterized by hypochromic and microcytic anemia and great clinical variability, ranging from a practically asymptomatic phenotype to severe anemia, which can lead to intrauterine or early neonatal death. Deletions affecting the α-globin genes, located on chromosome 16p13.3, are the main causes of α-thalassemia. Multiplex ligation-dependent probe amplification (MLPA) can be used to detect rearrangements that cause α-thalassemia, particularly large deletions involving the whole α cluster and/or deletions in the HS-40 region...
October 2, 2017: Genetics and Molecular Biology
https://www.readbyqxmd.com/read/28949421/calcium-supplementation-commencing-before-or-early-in-pregnancy-or-food-fortification-with-calcium-for-preventing-hypertensive-disorders-of-pregnancy
#18
REVIEW
G Justus Hofmeyr, Sarah Manyame
BACKGROUND: Pre-eclampsia is considerably more prevalent in low- than high-income countries. One possible explanation for this discrepancy is dietary differences, particularly calcium deficiency. Calcium supplementation in the second half of pregnancy reduces the serious consequences of pre-eclampsia and is recommended by the World Health Organization (WHO) for women with low dietary calcium intake, but has limited effect on the overall risk of pre-eclampsia. It is important to establish whether calcium supplementation before and in early pregnancy has added benefit...
September 26, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28941780/investigation-of-novel-dexrazoxane-analogue-jr-311-shows-significant-cardioprotective-effects-through-topoisomerase-iibeta-but-not-its-iron-chelating-metabolite
#19
Jan Bures, Anna Jirkovska, Vit Sestak, Hana Jansova, Galina Karabanovich, Jaroslav Roh, Martin Sterba, Tomas Simunek, Petra Kovarikova
Novel dexrazoxane derivative JR-311 was prepared to investigate structure-activity relationships and mechanism(s) of protection against anthracycline cardiotoxicity. Its cardioprotective, antiproliferative, iron (Fe) chelation and inhibitory and/or depletory activities on topoisomerase IIbeta (TOP2B) were examined and compared with dexrazoxane. While in standard assay, JR-311 failed in both cardioprotection and depletion of TOP2B, its repeated administration to cell culture media led to depletion of TOP2B and significant protection of isolated rat neonatal ventricular cardiomyocytes from daunorubicin-induced damage...
September 21, 2017: Toxicology
https://www.readbyqxmd.com/read/28931909/organ-specific-regulation-of-atp7a-abundance-is-coordinated-with-systemic-copper-homeostasis
#20
Haarin Chun, Tracy Catterton, Heejeong Kim, Jaekwon Lee, Byung-Eun Kim
Copper (Cu) is an essential cofactor for various enzymatic activities including mitochondrial electron transport, iron mobilization, and peptide hormone maturation. Consequently, Cu dysregulation is associated with fatal neonatal disease, liver and cardiac dysfunction, and anemia. While the Cu transporter ATP7A plays a major role in both intestinal Cu mobilization to the periphery and prevention of Cu over-accumulation, it is unclear how regulation of ATP7A contributes to Cu homeostasis in response to systemic Cu fluctuation...
September 20, 2017: Scientific Reports
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