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Body composition preterm infants

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https://www.readbyqxmd.com/read/28634475/cesarean-or-vaginal-birth-does-not-impact-the-longitudinal-development-of-the-gut-microbiome-in-a-cohort-of-exclusively-preterm-infants
#1
Christopher J Stewart, Nicholas D Embleton, Elizabeth Clements, Pamela N Luna, Daniel P Smith, Tatiana Y Fofanova, Andrew Nelson, Gillian Taylor, Caroline H Orr, Joseph F Petrosino, Janet E Berrington, Stephen P Cummings
The short and long-term impact of birth mode on the developing gut microbiome in neonates has potential implications for the health of infants. In term infants, the microbiome immediately following birth across multiple body sites corresponds to birth mode, with increased Bacteroides in vaginally delivered infants. We aimed to determine the impact of birth mode of the preterm gut microbiome over the first 100 days of life and following neonatal intensive care unit (NICU) discharge. In total, 867 stool samples from 46 preterm infants (21 cesarean and 25 vaginal), median gestational age 27 weeks, were sequenced (V4 region 16S rRNA gene, Illumina MiSeq)...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28448623/development-of-the-cutaneous-microbiome-in-the-preterm-infant-a-prospective-longitudinal-study
#2
Mohan Pammi, Jacqueline L O'Brien, Nadim J Ajami, Matthew C Wong, James Versalovic, Joseph F Petrosino
BACKGROUND: Neonatal sepsis in preterm infants is often due to organisms that colonize the skin including Staphylococcus spp. and Candida spp. Development and maturation of the skin microbiome in the neonatal period, especially in preterm infants, may be critical in preventing colonization with pathogens and subsequent progression to neonatal sepsis. Development of the skin microbiome in preterm infants or its determinants in the first 4 weeks of life has not been evaluated. METHODS: We evaluated the skin microbiome from three body sites, antecubital fossa, forehead and gluteal region, in a prospective cohort of 15 preterm (birth weight < 1500 g and < 32 weeks of gestation) and 15 term neonates...
2017: PloS One
https://www.readbyqxmd.com/read/28422941/metabolism-related-micrornas-in-maternal-breast-milk-are-influenced-by-premature-delivery
#3
Molly C Carney, Andrij Tarasiuk, Susan L DiAngelo, Patricia Silveyra, Abigail Podany, Leann L Birch, Ian M Paul, Shannon Kelleher, Steven D Hicks
BACKGROUND: Maternal breast milk (MBM) is enriched in microRNAs, factors that regulate protein translation throughout the human body. MBM from mothers of term and preterm infants differ in nutrient, hormone, and bioactive-factor composition, but the microRNA differences between these groups have not been compared. We hypothesized that gestational age at delivery influences microRNA in MBM, particularly microRNAs involved in immunologic and metabolic regulation. METHODS: MBM from mothers of premature infants (pMBM) obtained 3-4 weeks post-delivery was compared with MBM from mothers of term infants obtained at birth (tColostrum) and 3-4 weeks post-delivery (tMBM)...
April 19, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28367358/perinatal-and-neonatal-outcomes-of-triplet-gestations-based-on-chorionicity
#4
Maureen Downing, Suela Sulo, Barbara V Parilla
Objective To compare perinatal and neonatal outcomes of dichorionic (DC) and monochorionic (MC) with trichorionic (TC) triplet gestations. Methods A retrospective cohort study of DC + MC versus TC triplet gestations delivered at a tertiary care hospital from 2009 to 2015. The results include 42 sets of triplets (TC, n = 26; DC + MC, n = 16). Maternal demographics and pregnancy data were compared. Neonatal outcomes were assessed using composite morbidity and mortality. Results Maternal baseline characteristics including age, mode of conception, race, parity, body mass index, and previous preterm delivery were statistically comparable...
January 2017: American Journal of Perinatology Reports
https://www.readbyqxmd.com/read/28355511/docosahexaenoic-acid-and-bronchopulmonary-dysplasia-in-preterm-infants
#5
RANDOMIZED CONTROLLED TRIAL
Carmel T Collins, Maria Makrides, Andrew J McPhee, Thomas R Sullivan, Peter G Davis, Marta Thio, Karen Simmer, Victor S Rajadurai, Javeed Travadi, Mary J Berry, Helen G Liley, Gillian F Opie, Kenneth Tan, Kei Lui, Scott A Morris, Jacqueline Stack, Michael J Stark, Mei-Chien Chua, Pooja A Jayagobi, James Holberton, Srinivas Bolisetty, Ian R Callander, Deborah L Harris, Robert A Gibson
BACKGROUND: Studies in animals and in humans have suggested that docosahexaenoic acid (DHA), an n-3 long-chain polyunsaturated fatty acid, might reduce the risk of bronchopulmonary dysplasia, but appropriately designed trials are lacking. METHODS: We randomly assigned 1273 infants born before 29 weeks of gestation (stratified according to sex, gestational age [<27 weeks or 27 to <29 weeks], and center) within 3 days after their first enteral feeding to receive either an enteral emulsion providing DHA at a dose of 60 mg per kilogram of body weight per day or a control (soy) emulsion without DHA until 36 weeks of postmenstrual age...
March 30, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28322134/reproductive-microbiomes
#6
Michael L Power, Caroline Quaglieri, Jay Schulkin
Almost every part of our body has a coevolved microbial community. The expressed microbial genes comprise the various microbiomes that play important roles in normal physiology and development. The various microbiomes are separate, yet often connected, with the species composition of one affecting others. The female reproductive system microbiomes (eg, vaginal, placental, and mammary/milk) remain less well explored than the gut microbiome although they comprise a large proportion of the female microbial network...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28298536/pasteurization-procedures-for-donor-human-milk-affect-body-growth-intestinal-structure-and-resistance-against-bacterial-infections-in-preterm-pigs
#7
Yanqi Li, Duc Ninh Nguyen, Marita de Waard, Lars Christensen, Ping Zhou, Pingping Jiang, Jing Sun, Anders Miki Bojesen, Charlotte Lauridsen, Jens Lykkesfeldt, Trine Kastrup Dalsgaard, Stine Brandt Bering, Per Torp Sangild
Background: Holder pasteurization (HP) destroys multiple bioactive factors in donor human milk (DM), and UV-C irradiation (UVC) is potentially a gentler method for pasteurizing DM for preterm infants.Objective: We investigated whether UVC-treated DM improves gut maturation and resistance toward bacterial infections relative to HP-treated DM.Methods: Bacteria, selected bioactive components, and markers of antioxidant capacity were measured in unpasteurized donor milk (UP), HP-treated milk, and UVC-treated milk (all from the same DM pool)...
March 15, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28295577/higher-growth-fat-and-fat-free-masses-correlate-with-larger-cerebellar-volumes-in-preterm-infants-at-term
#8
Giulia Paviotti, Angela De Cunto, Floriana Zennaro, Giulia Boz, Laura Travan, Gabriele Cont, Jenny Bua, Sergio Demarini
AIM: Smaller cerebellar volumes in very low-birthweight (VLBW) infants at term have been related to adverse cognitive outcomes, and this study evaluated whether these volumes were associated with a growth in body composition during hospital stays. METHODS: We prospectively recruited 42 VLBW infants from an Italian neonatal unit between January 2013 and August 2015. Cerebellar volumes and body composition were measured by magnetic resonance imaging (MRI) and air-displacement plethysmography, respectively, at 40 weeks of gestational age and anthropometric and nutritional data were collected...
March 12, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28270894/the-effect-of-individualized-versus-standardized-parenteral-nutrition-on-body-weight-in-very-preterm-infants
#9
Vincent H M Evering, Peter Andriessen, Carola E P M Duijsters, Jeroen Brogtrop, Luc J J Derijks
BACKGROUND: This study was designed to evaluate whether standardizing total parenteral nutrition (TPN) is at least non-inferior to TPN with individualized composition in premature infants with a gestational age (GA) < 32 weeks. METHODS: In this retrospective cohort study, all preterm born in or transferred to Maxima Medical Center (MMC) within 24 hours after birth with a GA < 32 weeks were included. The individualized group (2011) was compared to the partially standardized group (2012) and completely standardized group (2014) consequently...
April 2017: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/28240375/assessing-the-growth-of-preterm-infants-using-detailed-anthropometry
#10
James J Ashton, Mark J Johnson, Jenny Pond, Philippa Crowley, Borislav D Dimitrov, Freya Pearson, R Mark Beattie
AIM: Preterm infants display altered body composition compared to term infants, and weight gain is a crude indicator body composition. Childhood mid-upper arm circumference (MUAC) is a measure of nutritional status. This study investigates MUAC and mid-thigh circumference (MTC) to monitor growth in preterm infants. METHODS: Preterm infants (<30-week gestation) were recruited. MUAC, MTC, weight, length and head circumference (HC) were measured at recruitment and weekly intervals until discharge...
June 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28159202/variation-of-metabolite-and-hormone-contents-in-human-milk
#11
REVIEW
Hans Demmelmair, Berthold Koletzko
Animal studies show that the lactation period contributes to metabolic programming of the offspring and that oral leptin and insulin show bioactivity. Stage of lactation, duration of gestation, maternal body composition, and maternal diet seem to influence the concentrations of small molecules in human milk. Variability of small molecule concentrations seems higher in preterm milk than in term milk. Insulin in human milk shows concentrations similar to plasma. Leptin concentration is lower in milk than in plasma and reflects maternal body mass index...
March 2017: Clinics in Perinatology
https://www.readbyqxmd.com/read/28102852/anthropometric-trends-from-1997-to-2012-in-infants-born-at-%C3%A2-28-weeks-gestation-or-less
#12
N Wells, T A Stokes, K Ottolini, C H Olsen, A R Spitzer, C E Hunt
OBJECTIVE: Postnatal growth failure is common after preterm birth, in particular for infants born at ⩽28 weeks' gestation, but it is unknown if growth-to-term equivalent age has improved over the years as neonatal intensive care in general, and infant nutrition in particular, have improved. The objective of the study was to evaluate anthropometric trends at NICU discharge for infants born at ⩽28 weeks' gestation using a large national database. STUDY DESIGN: Analysis of growth in weight, length, head circumference and body mass index (kg m(2)) in 23 005 infants born in 1997 to 2012 who survived to neonatal intensive care unit discharge at ⩽41 weeks' postmenstrual age...
January 19, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28100316/optimizing-nutrition-of-the-preterm-infant
#13
William W Jr Hay
The goal of nutrition of the preterm infant is to meet the growth rate of the healthy fetus of the same gestational age and to produce the same body composition of the healthy fetus in terms of organ growth, tissue components, and cell number and structure. Nutritional quantity and quality are fundamental for normal growth and development of preterm infants, including neurodevelopmental outcomes. Failure to provide the necessary amounts of all of the essential nutrients has produced not only growth failure, but also increased morbidity and less than optimal neurodevelopment...
January 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28092917/is-fat-mass-accretion-of-late-preterm-infants-associated-with-insulin-resistance
#14
Nadia Liotto, Maria Lorella Giannì, Francesca Taroni, Paola Roggero, Chiara Cristiana Condello, Anna Orsi, Camilla Menis, Riccardo Bonfanti, Fabio Mosca
BACKGROUND: Late preterm infants show a major fat mass accretion from birth to term. The contribution of preterm birth to the development of the metabolic syndrome is still under investigation. OBJECTIVES: To evaluate body composition changes in late preterm infants during the first 3 months and to investigate their insulin sensitivity and resistance. METHODS: We conducted an observational, longitudinal study. A total of 216 late preterm infants underwent body composition assessment using an air displacement plethysmograph at term and at 3 months of corrected age...
2017: Neonatology
https://www.readbyqxmd.com/read/28045768/body-composition-trajectories-from-infancy-to-preschool-in-children-born-premature-versus-full-term
#15
Johannah M Scheurer, Lei Zhang, Heather L Gray, Katherine Weir, Ellen W Demerath, Sara E Ramel
OBJECTIVES: The aim of the study was to longitudinally characterize infancy to preschool body composition trajectories and the association of early fat and fat-free mass gains with preschool age body composition in children born premature versus full-term. METHODS: A cohort of appropriate-for-gestational age preterm (n = 20) and term (n = 51) infants were followed at 3 visits: "neonatal" visit 1 at 2 weeks of age for term and near term corrected age for preterm; "infancy" visit 2 at 3 to 4 months (preterm corrected age); "preschool" visit 3 at 4 years...
June 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/27974050/neonatal-milk-supplementation-in-lambs-has-persistent-effects-on-growth-and-metabolic-function-that-differ-by-sex-and-gestational-age
#16
COMPARATIVE STUDY
Mary J Berry, Anne L Jaquiery, Mark H Oliver, Jane E Harding, Frank H Bloomfield
The perinatal environment has a major influence on long-term health and disease risk. Preterm birth alters early-life environment and is associated with altered metabolic function in adulthood. Whether preterm birth per se or the early nutritional interventions used to support growth in preterm infants underpins this association is unknown. Lambs born preterm, following dexamethasone induction of labour, or spontaneously at term were randomised to receive nutrient supplementation, analogous to the milk fortifier used clinically or water as a control for the first 2 weeks after birth...
December 2016: British Journal of Nutrition
https://www.readbyqxmd.com/read/27866210/body-composition-in-very-preterm-infants-role-of-neonatal-characteristics-and-nutrition-in-achieving-growth-similar-to-term-infants
#17
Geneviève Tremblay, Christine Boudreau, Sylvie Bélanger, Odette St-Onge, Etienne Pronovost, David Simonyan, Isabelle Marc
BACKGROUND: The identification of factors involved in the postnatal growth of preterm infants will help achieve growth similar to that of term infants. OBJECTIVES: As per protocol: to compare body composition in very preterm infants at term-corrected age (TCA) with that in term infants, and to explore relationships between neonatal characteristics and body composition in preterm infants. METHODS: Anthropometry, nutritional characteristics, and neonatal outcomes were prospectively collected in 26 preterm (<29 weeks) and 33 term (37-40 weeks) infants...
2017: Neonatology
https://www.readbyqxmd.com/read/27806978/new-body-composition-reference-charts-for-preterm-infants
#18
Ellen W Demerath, William Johnson, Bridget A Davern, Christina G Anderson, Jeffrey S Shenberger, Sonya Misra, Sara E Ramel
BACKGROUND: The American Academy of Pediatrics (AAP) has recommended that nutritional management of the preterm infant should aim to achieve body composition that replicates the in utero fetus, but intrauterine body composition reference charts for preterm infants are lacking. OBJECTIVE: Our objective was to create body composition reference curves for preterm infants that approximate the body composition of the in utero fetus from 30 to 36 wk of gestation. DESIGN: A total of 223 ethnically diverse infants born at 30 + 0 to 36 + 6 wk of gestation were enrolled...
January 2017: American Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/27782098/does-human-milk-modulate-body-composition-in-late-preterm-infants-at-term-corrected-age
#19
Maria Lorella Giannì, Dario Consonni, Nadia Liotto, Paola Roggero, Laura Morlacchi, Pasqua Piemontese, Camilla Menis, Fabio Mosca
(1) Background: Late preterm infants account for the majority of preterm births and are at risk of altered body composition. Because body composition modulates later health outcomes and human milk is recommended as the normal method for infant feeding, we sought to investigate whether human milk feeding in early life can modulate body composition development in late preterm infants; (2) Methods: Neonatal, anthropometric and feeding data of 284 late preterm infants were collected. Body composition was evaluated at term-corrected age by air displacement plethysmography...
October 23, 2016: Nutrients
https://www.readbyqxmd.com/read/27635625/do-anthropometric-measures-accurately-reflect-body-composition-in-preterm-infants
#20
S E Ramel, L Zhang, S Misra, C G Anderson, E W Demerath
BACKGROUND: Recent literature suggests that neonatal adiposity is predictive of later metabolic health, while neonatal lean mass is predictive of later cognitive function amongst preterm infants. Anthropometric indices that accurately reflect neonatal body composition could improve clinical care and aid future research, but their validity has not been systematically tested in preterm infants. OBJECTIVE: To determine the weight/length indices that best reflect neonatal body composition in preterm infants...
September 16, 2016: Pediatric Obesity
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