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Pediatric Research

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https://www.readbyqxmd.com/read/28767106/opioid-abuse-in-children-an-emerging-public-health-crisis-in-the-united-states
#1
Veerajalandhar Allareddy, Sankeerth Rampa, Veerasathpurush Allareddy
No abstract text is available yet for this article.
August 2, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28700569/pediatric-use-of-tetracyclines-focus-on-neurodevelopmental-effects
#2
Ioana Inta, Georg F Hoffmann, Markus Bettendorf
No abstract text is available yet for this article.
August 2, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28700564/long-term-effects-of-adenotonsillectomy-on-serum-specific-immunoglobulin-e
#3
Lijuan Song, Jinfei Guo, Wenjing Liao, Peichang Ye, Li Liu, Tao Chen, Pingchang Yang, Nanshan Zhong, Baoqing Sun, Xiaowen Zhang
BackgroundThe biased immune reactions of the adenotonsillar tissues are not always reflected by the serum immunoglobulin E (IgE); thus, we hypothesize that the systemic atopic status may not be changed after the adenotonsillectomy (AT) in children.MethodsTwenty-five children with AT and 23 age-matched healthy children were enrolled into this study, and followed up for ~4 years. Nasal Symptoms Scores (NSS), Quality of Life Scores (QOLS), specific IgE (sIgE), cytokines, and inflammatory cell were documented in all the subjects before and after study...
August 2, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28665922/association-of-the-gut-microbiota-mobilome-with-hospital-location-and-birth-weight-in-preterm-infants
#4
Anuradha Ravi, Eva Lena F Estensmo, Trine M L' Abée-Lund, Steven L Foley, Bernhard Allgaier, Camilia R Martin, Erika C Claud, Knut Rudi
BackgroundThe preterm infant gut microbiota is vulnerable to different biotic and abiotic factors. Although the development of this microbiota has been extensively studied, the mobilome-i.e. the mobile genetic elements (MGEs) in the gut microbiota-has not been considered. Therefore, the aim of this study was to investigate the association of the mobilome with birth weight and hospital location in the preterm infant gut microbiota.MethodsThe data set consists of fecal samples from 62 preterm infants with and without necrotizing enterocolitis (NEC) from three different hospitals...
August 2, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28753597/urotensin-2-in-kawasaki-disease-pathogenesis
#5
Cassidy Y Huang, Jane C Burns, Chisato Shimizu
BACKGROUND: Genetic variation in calcium signaling pathways is associated with Kawasaki disease (KD) susceptibility and coronary artery aneurysms (CAA). Expression quantitative trait locus analysis for KD-associated variants in calcium/sodium channel gene solute carrier family 8 member 1 (SLC8A1) revealed an effect on expression of urotensin 2 (UTS2). We speculated that UTS2 is influenced by genetic variation in SLC8A1 and contributes to disease pathogenesis. METHODS: We measured levels of UTS2 and its receptor in blood and tissues using quantitative reverse transcription polymerase chain reaction, enzyme-linked immunosorbent assay and immunohistochemical staining...
July 28, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28753596/inhibition-of-i%C3%AE%C2%BAb%C3%AE-nf%C3%AE%C2%BAb-signaling-prevents-lps-induced-il1%C3%AE-expression-without-increasing-apoptosis-in-the-developing-mouse-lung
#6
Sarah McKenna, Brittany Butler, Laurie Jatana, Sankar Ghosh, Clyde J Wright
BACKGROUND: The pro-inflammatory consequences of IL1β expression contribute to the pathogenesis of BPD. Selectively targeting LPS-induced IκBβ/NFκB signaling attenuates IL1β mRNA expression in macrophages. Whether targeting IκBβ/NFκB signaling affects anti-apoptotic gene expression, a known consequence of global LPS-induced NFκB inhibition, is unknown. METHODS: Macrophages (RAW 264.7, BMDM) were assessed for LPS-induced IL1β mRNA/protein expression, anti-apoptotic gene expression, cell viability (trypan blue exclusion) and activation of apoptosis (caspase-3 and PARP cleavage) following pharmacologic and genetic attenuation of IκBβ/NFκB signaling...
July 28, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28745715/computer-based-video-analysis-identifies-infants-with-absence-of-fidgety-movements
#7
Ragnhild Støen, Nils Thomas Songstad, Inger Elisabeth Silberg, Toril Fjørtoft, Alexander Refsum Jensenius, Lars Adde
BackgroundAbsence of fidgety movements (FMs) at 3 months' corrected age is a strong predictor of cerebral palsy (CP) in high-risk infants. This study evaluates the association between computer-based video analysis and the temporal organization of FMs assessed with the General Movement Assessment (GMA).MethodsInfants were eligible for this prospective cohort study if referred to a high-risk follow-up program in a participating hospital. Video recordings taken at 10-15 weeks post term age were used for GMA and computer-based analysis...
July 26, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28665929/effect-of-frequency-on-pressure-cost-of-ventilation-and-gas-exchange-in-newborns-receiving-high-frequency-oscillatory-ventilation
#8
Emanuela Zannin, Raffaele L Dellaca', Giulia Dognini, Lara Marconi, Martina Perego, Jane J Pillow, Paolo E Tagliabue, Maria Luisa Ventura
BackgroundWe hypothesized that ventilating at the resonant frequency of the respiratory system optimizes gas exchange while limiting the mechanical stress to the lung in newborns receiving high-frequency oscillatory ventilation (HFOV). We characterized the frequency dependence of oscillatory mechanics, gas exchange, and pressure transmission during HFOV.MethodsWe studied 13 newborn infants with a median (interquartile range) gestational age of 29.3 (26.4-30.4) weeks and body weight of 1.00 (0.84-1.43) kg. Different frequencies (5, 8, 10, 12, and 15 Hz) were tested, keeping carbon dioxide diffusion coefficient (DCO2) constant...
July 26, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28738028/ebv-hlh-children-with-reductions-in-cd4-t-cells-and-excessive-activation-of-cd8-t-cells
#9
Cheng Yang, Xiujuan Zhu, Ting Zhang, Qing Ye
BACKGROUND: In this report, we analyzed the number and activation profiles of T cells in EBV-HLH patients and assessed their value for the diagnosis of EBV-HLH. METHODS: We compared the quantity of CD4+ T cells and CD8+ T cells in peripheral blood among HLH patients, a sepsis group and healthy controls. We then analyzed variations in the activation marker in CD4+ T cells and CD8+ T cells. RESULTS: The percentage of CD4+ T cells decreased in the EBV-HLH patients compared to healthy controls, which induced significant differences in the ratio of CD4+ T cells/CD8+ T cells...
July 24, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28738027/n-terminal-b-type-natriuretic-peptide-urinary-concentrations-and-retinopathy-of-prematurity
#10
Christoph Bührer, Ömer Erdeve, Anton van Kaam, Angelika Berger, Evelyn Lechner, Benjamin Bar-Oz, Karel Allegaert, Tom Stiris, İstemi Han Çelik, Janet Berrington
BACKGROUND AND AIMS: To validate findings of a single-center pilot study showing elevated urinary N-terminal B-type natriuretic peptide (NTproBNP) concentrations in preterm infants subsequently developing severe retinopathy of prematurity (ROP) in a multicenter setting across 8 European and Middle East countries. METHODS: Prospective observational study in 967 preterm infants<30 weeks gestational age assessing the capacity of urinary NTproBNP on day of life (DOL) 14 and 28 to predict ROP requiring treatment...
July 24, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28738026/effect-of-red-blood-cell-storage-time-on-markers-of-hemolysis-and-inflammation-in-transfused-very-low-birth-weight-infants
#11
Tamara G Kalhan, David A Bateman, Rakhee M Bowker, Eldad A Hod, Sudha Kashyap
BACKGROUND: Prolonged storage of transfused red blood cells (RBCs) is associated with hemolysis in healthy adults and inflammation in animal models. We aimed to determine whether storage duration affects markers of hemolysis (e.g., serum bilirubin, iron, and non-transferrin-bound iron (NTBI)) and inflammation (e.g., interleukin (IL)-8 and monocyte chemoattractant protein (MCP)-1) in transfused very low birth weight (VLBW) infants. METHODS: Blood samples from 23 independent transfusion events were collected by heel stick before and 2-6 h after transfusion...
July 24, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28723888/association-between-supraclavicular-brown-adipose-tissue-composition-at-birth-and-adiposity-gain-from-birth-to-6-months-age
#12
Sonja Entringer, Jerod Rasmussen, Dan M Cooper, Satoru Ikenoue, Feizal Waffarn, Steven G Potkin, Pathik D Wadhwa, Claudia Buss
BACKGROUND: Brown Adipose Tissue (BAT) is associated with higher energy expenditure and lower adiposity in adults. However, the relationship between BAT composition and adiposity in early life is unknown. The objective of this study was to test the hypothesis that brown fat composition at birth is prospectively associated with adiposity gain during the first six months of postnatal life. METHODS: N=35 healthy infants were followed prospectively from intrauterine life and birth through 6 months age...
July 19, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28723887/in-vitro-and-in-vivo-characterization-of-poractant-alfa-supplemented-with-budesonide-for-safe-and-effective-intratracheal-administration
#13
Francesca Ricci, Chiara Catozzi, Francesca Ravanetti, Xabier Murgia, Francesco D'Aló, Natalia Macchidani, Elisa Sgarbi, Valentina Di Lallo, Federica Saccani, Marisa Pertile, Antonio Cacchioli, Silvia Catinella, Gino Villetti, Maurizio Civelli, Francesco Amadei, Franco Stellari Fabio, Barbara Pioselli, Fabrizio Salomone
BACKGROUND: The intratracheal (IT) administration of budesonide using surfactant as a vehicle has been shown to reduce the incidence of bronchopulmonary dysplasia (BPD) in preterm infants. OBJECTIVE: To characterize the in vitro characteristics and in vivo safety and efficacy of the extemporaneous combination of budesonide and poractant alfa. METHODS: The stability, minimum surface tension, and viscosity of the preparation were evaluated by means of HPLC, Wilhelmy balance, and Rheometer, respectively...
July 19, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28723886/prolonged-viral-replication-and-longitudinal-viral-dynamic-differences-among-respiratory-syncytial-virus-rsv-infected-infants
#14
Monica E Brint, Joshua M Hughes, Aditya Shah, Chelsea R Miller, Lisa G Harrison, Elizabeth A Meals, Jacqueline Blanch, Charlotte R Thompson, Stephania A Cormier, John P DeVincenzo
BACKGROUND: Longitudinal RSV dynamics have not been well-studied despite existence of factors favoring prolonged RSV replication including: high mutation rates allowing rapid evolution and potential escape from immune control. We therefore measured viral load in previously RSV-naïve infants over prolonged time-spans. METHODS: During 2014-2015, quantitative nasal aspirates were collected from 51 RSV-PCR+ infants. Multiple parallel assessments of viral loads were quantified at each collected time point using a well-validated real-time qRT-PCR assay...
July 19, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28723885/term-versus-preterm-cord-blood-cells-for-the-prevention-of-preterm-brain-injury
#15
Jingang Li, Tamara Yawno, Amy Sutherland, Jan Loose, Ilias Nitsos, Beth J Allison, Robert Bischof, Courtney A McDonald, Graham Jenkin, Suzanne L Miller
BACKGROUND: White matter brain injury in preterm infants can induce neurodevelopmental deficits. Umbilical cord blood (UCB) cells demonstrate neuroprotective properties, but it is unknown whether cells obtained from preterm versus term cord blood have similar efficacy. This study compared the ability of term cord blood (TCB) versus preterm cord blood (PCB) cells to reduce white matter injury in preterm fetal sheep. METHODS: Hypoxia-ischemia (HI) was induced in fetal sheep (0...
July 19, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28708821/early-career-investigator-highlight-october
#16
Veerajalandhar Allareddy
Pediatric Research accepted article preview online, 14 July 2017. doi:10.1038/pr.2017.169.
July 14, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28700570/environmental-health-reform-in-a-synthetic-world
#17
Shetal Shah, Shale Wong, Cynthia Bearer, Heather Brumberg
Pediatric Research accepted article preview online, 12 July 2017. doi:10.1038/pr.2017.168.
July 12, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28700568/neonatal-basal-ganglia-and-thalamic-volumes-very-preterm-birth-and-7-year-neurodevelopmental-outcomes
#18
Wai Yen Loh, Peter J Anderson, Jeanie L Y Cheong, Alicia J Spittle, Jian Chen, Katherine J Lee, Charlotte Molesworth, Terrie E Inder, A Connelly, Lex W Doyle, Deanne K Thompson
BACKGROUND: This study aims to (1) compare volumes of individual basal ganglia nuclei (caudate nucleus, pallidum, putamen) and the thalamus between very preterm (VP) and term-born infants at term-equivalent age; (2) explore neonatal basal ganglia and thalamic volume relationships with 7-year neurodevelopmental outcomes, and whether these relationships differed between VP and term-born children. METHODS: 210 VP (<30 weeks' gestational age) and 39 term-born (≥37 weeks' gestational age) infants underwent brain magnetic resonance imaging at term-equivalent age, and deep grey matter volumes of interest were automatically generated...
July 12, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28700567/recombinant-ccn1-prevents-hyperoxia-induced-lung-injury-in-neonatal-rats
#19
Ruben Vaidya, Ronald Zambrano, Julia K Hummler, Shihua Luo, Matthew R Duncan, Karen Young, Lester F Lau, Shu Wu
BACKGROUND: Cystein rich protein 61 (Cyr61/CCN1) is a member of the CCN family of matricellular proteins that plays an improtant role in tissue development and remodeling. However, the role of CCN1 in in the pathogensis of bronchopulmonary dysplasia (BPD) is unknown. Accordingly, we have investigated the effects of CCN1 on a hyperoxia-induced lung injury model in neonatal rats. METHODS: In experiment 1: newborn rats were randomized to room air (RA) or 85% oxygen (O2) for 7 or 14 days and we assessed the expression of CCN1...
July 12, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28700566/enhancing-pediatric-clinical-trial-feasibility-through-the-use-of-bayesian-statistics
#20
Robin A Huff, Jeff D Maca, Mala Puri, Earl W Seltzer
BACKGROUND: Pediatric clinical trials commonly experience recruitment challenges, including limited numbers of patients and investigators, inclusion/exclusion criteria that further reduce the patient pool, and a competitive research landscape created by pediatric regulatory commitments. To overcome these challenges, innovative approaches are needed. METHODS: This article explores the use of Bayesian statistics to improve pediatric trial feasibility, using pediatric type 2 diabetes as an example...
July 12, 2017: Pediatric Research
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