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vitamine A Neonates

Jing Xue, Sarah A Schoenrock, William Valdar, Lisa M Tarantino, Folami Y Ideraabdullah
BACKGROUND: Environmental perturbation of epigenetic mechanisms is linked to a growing number of diseases. Characterizing the role environmental factors play in modifying the epigenome is important for disease etiology. Vitamin D is an essential nutrient affecting brain, bone, heart, immune and reproductive health. Vitamin D insufficiency is a global issue, and the role in maternal and child health remains under investigation. METHODS: We used Collaborative Cross (CC) inbred mice to characterize the effect of maternal vitamin D depletion on offspring phenotypic and epigenetic outcomes at imprinted domains (H19/Igf2, Snrpn, Dlk1/Gtl2, and Grb10) in the soma (liver) and germline (sperm)...
2016: Clinical Epigenetics
Bryan M Corbett, Charles O'Connell, Mallory A Boutin, Nabil I Fatayerji, Charles W Sauer
BACKGROUND Methylergonovine is an ergot alkaloid used to treat post-partum hemorrhage secondary to uterine atony. Mistaking methylergonovine for vitamin K with accidental administration to the neonate is a rare iatrogenic illness occurring almost exclusively in the delivery room setting. Complications of ergot alkaloids in neonates include respiratory depression, seizures, and death. CASE REPORT A term infant was inadvertently given 0.1 mg of methylergonovine intramuscularly in the right thigh. The error was only noted when the vial of medication was scanned, after administration, identifying it as methylergonovine rather than vitamin K...
October 21, 2016: American Journal of Case Reports
Letícia Schwerz Weinert, Angela Jacob Reichelt, Leonardo Rauber Schmitt, Roberta Boff, Maria Lucia Rocha Oppermann, Joiza Lins Camargo, Sandra Pinho Silveiro
BACKGROUND: Gestational diabetes mellitus (GDM) and vitamin D deficiency have been associated with increased risk of adverse perinatal outcomes but the consequences of both conditions simultaneously present in pregnancy have not yet been evaluated. Our objective was to study the influence of vitamin D deficiency in neonatal outcomes of pregnancies with GDM. METHODS: 184 pregnant women with GDM referred to specialized prenatal monitoring were included in this cohort and had blood sampled for 25-hydroxyvitamin D measurement...
2016: PloS One
Chloe A Smith, Cong Sun, Angela Pezic, Christine Rodda, Fergus Cameron, Katie Allen, Maria E Craig, John Carlin, Terry Dwyer, Robyn M Lucas, Darryl W Eyles, Andrew S Kemp, Justine A Ellis, Anne-Louise Ponsonby
BACKGROUND: Vitamin D deficiency is linked to adverse childhood health outcomes, yet data on the distribution and quantifiable determinants of neonatal 25-hydroxyvitamin D3 (25OHD) concentration, a vitamin D biomarker, are limited. OBJECTIVE: Our aim was to identify determinants of neonatal 25OHD concentration, measured using neonatal dried blood spots (DBS). METHODS: A total of 259 ethnically diverse children aged 0-16 years born in Victoria, Australia, were recruited...
October 19, 2016: Neonatology
Kathleen A Kennedy, C Michael Cotten, Kristi L Watterberg, Waldemar A Carlo
Despite remarkable improvements in survival of extremely premature infants, the burden of BPD among survivors remains a frustrating problem for parents and caregivers. Advances, such as antenatal steroids and surfactant replacement, which have dramatically improved survival, have not reduced BPD among survivors. Other advances that have significantly improved the combined outcome of death or BPD, such as vitamin A and avoidance of mechanical ventilation, have had smaller magnitude effects on the outcome of BPD alone...
October 2016: Seminars in Perinatology
Janis Baird, Mary Barker, Nicholas C Harvey, Wendy Lawrence, Christina Vogel, Megan Jarman, Rufia Begum, Tannaze Tinati, Pamela Mahon, Sofia Strommer, Taylor Rose, Hazel Inskip, Cyrus Cooper
BACKGROUND: The nutritional status and health of mothers influence the growth and development of infants during pregnancy and postnatal life. Interventions that focus on improving the nutritional status and lifestyle of mothers have the potential to optimise the development of the fetus as well as improve the health of mothers themselves. Improving the diets of women of childbearing age is likely to require complex interventions that are delivered in a socially and culturally appropriate context...
October 12, 2016: Trials
Simon B Drysdale, Mireia Alcazar, Theresa Wilson, Melvyn Smith, Mark Zuckerman, Hennie M Hodemaekers, Riny Janssen, Louis Bont, Sebastian L Johnston, Anne Greenough
: Term born infants are predisposed to human rhinovirus (HRV) lower respiratory tract infections (LRTI) by reduced neonatal lung function and genetic susceptibility. Our aim was to investigate whether prematurely born infants were similarly predisposed to HRV LRTIs or any other viral LRTIs. Infants born less than 36 weeks of gestational age were recruited. Prior to neonatal/maternity unit discharge, lung function (functional residual capacity by helium gas dilution and multiple breath washout, lung clearance index and compliance (Crs), and resistance (Rrs) of the respiratory system) was assessed and DNA samples assessed for eight single nucleotide polymorphisms (SNPs) in seven genes: ADAM33, IL10, MMP16 NFκB1A,SFTPC, VDR, and NOS2A...
October 1, 2016: European Journal of Pediatrics
Aamer Imdad, Zunirah Ahmed, Zulfiqar A Bhutta
BACKGROUND: Vitamin A deficiency is a significant public health problem in low- and middle-income countries. Vitamin A supplementation provided to infants less than six months of age is one of the strategies to improve the nutrition of infants at high risk of vitamin A deficiency and thus potentially reduce their mortality and morbidity. OBJECTIVES: To evaluate the effect of synthetic vitamin A supplementation in infants one to six months of age in low- and middle-income countries, irrespective of maternal antenatal or postnatal vitamin A supplementation status, on mortality, morbidity and adverse effects...
September 28, 2016: Cochrane Database of Systematic Reviews
Majid Valizadeh, Zahra Piri, Farnaz Mohammadian, Koorosh Kamali, Hamid Reza Amir Moghadami
BACKGROUND: Hypovitaminosis D has been associated with the development of gestational diabetes mellitus (GDM) in many observational studies. OBJECTIVES: We report the first study of the impact of prenatal vitamin D supplementation on postpartum dysglycemia in GDM patients in a randomized clinical trial. PATIENTS AND METHODS: Women with GDM at 12 - 32 weeks of gestation were assigned randomly to either the intervention group (in which serum 25-hydroxy vitamin D [25OHD] levels were measured immediately, n = 48) or the control group (in which the serum was stored and assayed at 6 - 12 weeks post-partum, n = 48)...
April 2016: International Journal of Endocrinology and Metabolism
A Anastasiou, S N Karras, A Bais, W B Grant, K Kotsa, D G Goulis
Current evidence indicates that neonates born of mothers with vitamin D deficiency during pregnancy have greater risk for developing hypocalcemia, rickets and extra-skeletal disorders. Despite the classic knowledge that ultraviolet-B (UVB) exposure is the most efficient way for a future mother to obtain optimal vitamin D concentrations, no current consensus or clinical recommendations exist regarding the duration and timing of UVB exposure for pregnant women. This article offers a narrative review of available data regarding how UVB exposure affects maternal vitamin D production during pregnancy, along with a discourse on clinical implications of this public health issue...
September 28, 2016: European Journal of Clinical Nutrition
Pia Muriel Cardoso, Sushama Surve
AIMS AND OBJECTIVES: This study was undertaken in order to study the combined effect of vitamin C and E supplements during pregnancy on the incidence of preeclampsia and to study its effect on neonatal outcome. MATERIALS AND METHODS: This study was conducted in Goa Medical College, from March 2010 to June 2011. Cases and controls were taken randomly from antenatal patients attending our hospital OPD. The study group included 200 pregnant women in second trimester (13 weeks onwards) and third trimester of pregnancy...
October 2016: Journal of Obstetrics and Gynaecology of India
Seyyed Mohammad Hassan Aletayeb, Masoud Dehdashtiyan, Majid Aminzadeh, Arash Malekyan, Somayeh Jafrasteh
BACKGROUND: Neonatal jaundice is the result of an imbalance between the production and conjugation of bilirubin. Considering the multiple roles of vitamin D, lower levels of vitamin D in these cases may be associated with neonatal jaundice. The present study was undertaken for the purpose of comparing serum vitamin D levels in healthy term jaundiced and nonjaundiced newborns and their mothers. METHODS: This case-control study was conducted in 60 term newborns and their mothers from a teaching and referral children's hospital in the southwestern region of Iran, from December 22, 2013 through March 22, 2014...
September 12, 2016: Journal of the Chinese Medical Association: JCMA
Mina N Händel, Rebecca J Moon, Philip Titcombe, Bo Abrahamsen, Berit L Heitmann, Philip C Calder, Elaine M Dennison, Sian M Robinson, Keith M Godfrey, Hazel M Inskip, Cyrus Cooper, Nicholas C Harvey
BACKGROUND: Studies in older adults and animals have suggested contrasting relations between bone health and different vitamin A compounds. To our knowledge, the associations between maternal vitamin A status and offspring bone development have not previously been elucidated. OBJECTIVE: We examined the associations between maternal serum retinol and β-carotene concentrations during late pregnancy and offspring bone mineralization assessed at birth with the use of dual-energy X-ray absorptiometry...
October 2016: American Journal of Clinical Nutrition
Sneha K Taylor, Reiko Sakurai, Tokusho Sakurai, Virender K Rehan
INTRODUCTION: The physiologic vitamin D (VD), 1α,25(OH)2D3 (1,25D) is a local paracrine/autocrine effecter of fetal lung maturation. By stimulating alveolar type II cell and lipofibroblast proliferation and differentiation, parenterally administered 1,25D has been shown to enhance neonatal lung maturation; but due to the potential systemic side effects of the parenteral route, the translational value of these findings might be limited. To minimize the possibility of systemic toxicity, we examined the effects of VD on neonatal lung maturation, when delivered directly to lungs via nebulization...
September 10, 2016: Lung
L A Krueger, D C Beitz, S B Humphrey, J R Stabel
Peripheral blood mononuclear cells (PBMC) and mesenteric node lymphocytes (MNL) were obtained from 30 calves that were assigned randomly at birth to 1 of 6 treatment groups with 5 calves per treatment in a 14-d study: (1) colostrum-deprived (CD), no vitamins; (2) colostrum-replacer (CR), no vitamins; (3) CR, vitamin A; (4) CR, vitamin D3; (5) CR, vitamin E; (6) CR, vitamins A, D3, E. Calves were injected with appropriate vitamin supplements and fed pasteurized whole milk (CD calves) or fractionated colostrum replacer (CR calves) at birth...
September 7, 2016: Journal of Dairy Science
Morris Gordon, Sahira Isaji, Fiona Tyacke
AIM: To ascertain United Kingdom adherence to European society of Paediatric Gastroenterology, Hepatology and Nutrition guidance (ESPGHAN). METHODS: A national cross sectional questionnaire study of neonatal units across England was completed between January and March 2014. All 174 units in the country were attempted to be contacted to complete a telephone survey. This included all level 1, 2 and 3 units. They were initially contacted by phone and asking any senior member of the team about their current practice and procedures...
August 8, 2016: World Journal of Clinical Pediatrics
S Chawla, F Elbakoush, G Natarajan, M Dwaihy, A Berry, Y Ravindranath, K Bhambhani, S B Narayan
Lead levels were measured by inductively coupled plasma mass spectrometry (ICP-MS) in umbilical cord blood samples of 150 neonates in an urban inner-city hospital. The mean (SD) gestation and birth weight of our cohort were 38.8 (1.7) weeks and 3,217 (519) grams. There were 89% African-Americans, 53% males and 79% were born via vaginal delivery. Mean (SD) maternal age was 24.5 (5.8) years. History of drug abuse and smoking was reported in 8.7% and 10.7% respectively, with only 1 mother reporting a history of high lead level in childhood...
September 16, 2016: Journal of Neonatal-perinatal Medicine
Isabelle Signolet, Rachel Chenouard, Florine Oca, Magalie Barth, Pascal Reynier, Marie-Christine Denis, Gilles Simard
Hemolytic anemia (HA) of the newborn should be considered in cases of rapidly developing, severe, or persistent hyperbilirubinemia. Several causes of corpuscular hemolysis have been described, among which red blood cell enzyme defects are of particular concern. We report a rare case of red blood cell enzyme defect in a male infant, who presented during his first months of life with recurrent and isolated neonatal hemolysis. All main causes were ruled out. At 6.5 months of age, the patient presented with gastroenteritis requiring hospitalization; fortuitously, urine organic acid chromatography revealed a large peak of 5-oxoproline...
September 2016: Pediatrics
Yuan Ru, Eva K Pressman, Elizabeth M Cooper, Ronnie Guillet, Philip J Katzman, Tera R Kent, Stephen J Bacak, Kimberly O O'Brien
BACKGROUND: Little attention has been placed on the unique iron demands that may exist in women with multiple gestations. This merits attention because iron deficiency (ID) during pregnancy is associated with adverse pregnancy outcomes that are known to be more prevalent in multiple births. OBJECTIVE: We characterized longitudinal changes in iron status across pregnancy in a cohort of healthy women with multiple gestations and identified determinants of maternal ID and anemia...
October 2016: American Journal of Clinical Nutrition
N Krzyżaniak, I Pawłowska, B Bajorek
WHAT IS KNOWN AND OBJECTIVES: When considering acute care settings, such as the neonatal intensive care unit (NICU), the inappropriate use of medicines poses a great risk to vulnerable babies at the start of their lives. However, there is limited published literature that explores the current medication management practices in NICUs and where the main misuse issues lie. Therefore, the purpose of this review was to give an overview of medicine use in NICUs worldwide and identify therapeutic areas requiring more targeted pharmaceutical care...
August 31, 2016: Journal of Clinical Pharmacy and Therapeutics
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