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Biomarker preterm infants

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https://www.readbyqxmd.com/read/28738706/relationship-between-premature-brain-injury-and-multiple-biomarkers-in-cord-blood-and-amniotic-fluid
#1
Hongyan Lu, Weiling Huang, Xiaoqing Chen, Qiuxia Wang, Qiang Zhang, Ming Chang
PURPOSE: To investigate the relationship between premature brain injury and multiple biomarkers in cord blood and amniotic fluid, identify potential biomarkers for early monitoring of premature brain injury. METHODS: 130 cases of singleton premature infants with gestational age less than 34 weeks were evaluated. Based on brain imaging examination, all cases were divided into brain injury group and no brain injury group. Eleven biomarkers in cord blood and amniotic fluid were measured...
July 24, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28729888/social-brain-circuitry-and-social-cognition-in-infants-born-preterm
#2
REVIEW
Angela Fenoglio, Michael K Georgieff, Jed T Elison
Preterm birth is associated with an increased risk of adverse neurologic, psychiatric, and cognitive outcomes. The brain circuits involved in processing social information are critical to all of these domains, but little work has been done to examine whether and how these circuits may be especially sensitive to prematurity. This paper contains a brief summary of some of the cognitive, psychiatric, and social outcomes associated with prematurity, followed by a description of findings from the modest body of research into social-cognitive development in infants and children born preterm...
2017: Journal of Neurodevelopmental Disorders
https://www.readbyqxmd.com/read/28728548/social-brain-circuitry-and-social-cognition-in-infants-born-preterm
#3
REVIEW
Angela Fenoglio, Michael K Georgieff, Jed T Elison
Preterm birth is associated with an increased risk of adverse neurologic, psychiatric, and cognitive outcomes. The brain circuits involved in processing social information are critical to all of these domains, but little work has been done to examine whether and how these circuits may be especially sensitive to prematurity. This paper contains a brief summary of some of the cognitive, psychiatric, and social outcomes associated with prematurity, followed by a description of findings from the modest body of research into social-cognitive development in infants and children born preterm...
July 19, 2017: Journal of Neurodevelopmental Disorders
https://www.readbyqxmd.com/read/28727654/growth-and-nutritional-biomarkers-of-preterm-infants-fed-a-new-powdered-human-milk-fortifier-a-randomized-trial
#4
Jacques Rigo, Jean-Michel Hascoët, Claude Billeaud, Jean-Charles Picaud, Fabio Mosca, Amandine Rubio, Elie Saliba, Michaël Radkë, Umberto Simeoni, Bernard Guillois, Virginie de Halleux, Jonathan Jaeger, Laurent Ameye, Nicholas P Hays, Johannes Spalinger
OBJECTIVES: Assess growth and nutritional biomarkers of preterm infants fed human milk (HM) supplemented with a new powdered HM fortifier (nHMF) or a control HM fortifier (cHMF). The nHMF provides similar energy content, 16% more protein (partially hydrolyzed whey), and higher micronutrient levels than the cHMF, along with medium-chain triglycerides and docosahexaenoic acid. METHODS: In this controlled, multicenter, double-blind study, a sample of preterm infants ≤32 weeks or ≤1500 g were randomized to receive nHMF (n = 77) or cHMF (n = 76) for a minimum of 21 days...
July 19, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28711233/review-of-sleep-eeg-in-preterm-and-term-neonates
#5
Anneleen Dereymaeker, Kirubin Pillay, Jan Vervisch, Maarten De Vos, Sabine Van Huffel, Katrien Jansen, Gunnar Naulaers
Neonatal sleep is a crucial state that involves endogenous driven brain activity, important for neuronal survival and guidance of brain networks. Sequential EEG-sleep analysis in preterm infants provides insights into functional brain integrity and can document deviations of the biologically pre-programmed process of sleep ontogenesis during the neonatal period. Visual assessment of neonatal sleep-EEG, with integration of both cerebral and non-cerebral measures to better define neonatal state, is still considered the gold standard...
July 12, 2017: Early Human Development
https://www.readbyqxmd.com/read/28690644/individualized-ibuprofen-treatment-using-serial-b-type-natriuretic-peptide-measurement-for-symptomatic-patent-ductus-arteriosus-in-very-preterm-infants
#6
Jeonghee Shin, Eun Hee Lee, Jee Hyun Lee, Byung Min Choi, Young Sook Hong
PURPOSE: Plasma level of B-type natriuretic peptide (BNP), an emerging, sensitive, and specific biomarker of hemodynamically significant patent ductus arteriosus (PDA), rapidly decreases in infants receiving cyclooxygenase inhibitors for ductal closure. We investigated the usefulness of serial BNP measurement as a guide for individual identification of early constrictive responses to ibuprofen in preterm infants with symptomatic PDA (sPDA). METHODS: Before March 2010, the standard course of pharmacological treatment was initiated with indomethacin (or ibuprofen) and routinely followed by 2 additional doses at intervals of 24 hours...
June 2017: Korean Journal of Pediatrics
https://www.readbyqxmd.com/read/28617425/does-preterm-period-sleep-development-predict-early-childhood-growth-trajectories
#7
M R Winkler, J Park, W Pan, D H Brandon, M Scher, D Holditch-Davis
OBJECTIVE: The current study examined the relationship between sleep state development across the preterm and early post-term periods and subsequent growth trajectories from 1 to 27 months corrected age. STUDY DESIGN: Retrospective analysis of data collected prospectively from 111 preterm infants (⩽34 weeks gestation) who participated in a multi-site longitudinal study. Separate longitudinal parallel process models were calculated for each sleep state (active and quiet sleep) and growth (weight, length and body mass index (BMI) Z-scores) variable to estimate the associations between their developmental trajectories...
June 15, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28615158/somatosensory-modulation-of-salivary-gene-expression-and-oral-feeding-in-preterm-infants-randomized-controlled-trial
#8
Steven Michael Barlow, Jill Lamanna Maron, Gil Alterovitz, Dongli Song, Bernard Joseph Wilson, Priya Jegatheesan, Balaji Govindaswami, Jaehoon Lee, Austin Oder Rosner
BACKGROUND: Despite numerous medical advances in the care of at-risk preterm neonates, oral feeding still represents one of the first and most advanced neurological challenges facing this delicate population. Objective, quantitative, and noninvasive assessment tools, as well as neurotherapeutic strategies, are greatly needed in order to improve feeding and developmental outcomes. Pulsed pneumatic orocutaneous stimulation has been shown to improve nonnutritive sucking (NNS) skills in preterm infants who exhibit delayed or disordered nipple feeding behaviors...
June 14, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28562124/serum-stromal-derived-factor-1-cxcl12-and-its-alpha-chemokine-receptor-cxcr4-as-biomarkers-in-neonatal-sepsis
#9
Hassan S Badr, Fady M El-Gendy, Mohamed A Helwa
BACKGROUND: Neonatal sepsis remains one of the leading causes of morbidity and mortality both among term and preterm infants. Advances in neonatal care improved survival and reduced complications in preterm infants. Chemokines are chemotactic cytokines that give directional guidance for leukocyte migration during inflammatory process. The chemokine CXCL12 and its receptor CXCR4 are now known to play an important role in inflammatory states. However, its value as a biomarker in neonatal sepsis is unclear...
June 14, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28553016/urinary-levels-of-il-1%C3%AE-and-gdnf-in-preterm-neonates-as-potential-biomarkers-of-motor-development-a-prospective-study
#10
Rafael Coelho Magalhães, Janaina Matos Moreira, Érica Leandro Marciano Vieira, Natália Pessoa Rocha, Débora Marques Miranda, Ana Cristina Simões E Silva
Objectives. To evaluate the association between inflammatory biomarkers, neurotrophic factors, birth conditions, and the presence of motor development abnormalities in preterm neonates. Methods. Plasma and urinary levels of cytokines (IL-1β, IL-6, IL-10, TNF, and IL-12p70), chemokines (CXCL8/IL-8, CCL2/MCP-1, CCL5/RANTES, CXCL10/IP-10, and CXCL9/MIG), and neurotrophic factors (BDNF and GDNF) were evaluated in 40 preterm neonates born between 28 and 32 incomplete weeks of gestation, at four distinct time points: at birth (umbilical cord blood) (T0), at 48 (T1), at 72 hours (T2), and at 3 weeks after birth (T3)...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28487624/clara-cell-protein-expression-in-mechanically-ventilated-term-and-preterm-infants-with-respiratory-distress-syndrome-and-at-risk-of-bronchopulmonary-dysplasia-a-pilot-study
#11
José Guzmán-Bárcenas, Antonio Calderón-Moore, Héctor Baptista-González, Claudine Irles
The aim of this pilot study was to determine Clara cell protein (CC16) concentration in bronchoalveolar lavages (BAL) fluid from full-term and preterm (<37 weeks' gestational age) neonates requiring respiratory support, having symptoms of neonatal respiratory distress syndrome, and at risk of bronchopulmonary dysplasia (BPD). We hypothesized that CC16 may be predictive of BPD diagnosis regardless of gestational age. BAL fluid CC16 was measured by ELISA at birth and at day 7 of life. Both groups that developed BPD showed significantly decreased BAL fluid CC16 levels compared to those infants that did not develop the disease...
2017: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28419265/validation-of-the-sepsis-metascore-for-diagnosis-of-neonatal-sepsis
#12
Timothy E Sweeney, James L Wynn, María Cernada, Eva Serna, Hector R Wong, Henry V Baker, Máximo Vento, Purvesh Khatri
What’s Known on This Subject.: Neonates are at increased risk for developing sepsis, but this population often exhibits ambiguous clinical signs that complicate the diagnosis of infection. No biomarker has yet shown enough diagnostic accuracy to rule out sepsis at the time of clinical suspicion. What This Study Adds.: We show that a gene-expression-based signature is an accurate objective measure of the risk of sepsis in a neonate or preterm infant, and it substantially improves diagnostic accuracy over that of commonly used laboratory-based testing...
April 13, 2017: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/28402972/eeg-a-valuable-biomarker-of-brain-injury-in-preterm-infants
#13
Elena Pavlidis, Rhodri O Lloyd, Geraldine B Boylan
This review focuses on the role of electroencephalography (EEG) in monitoring abnormalities of preterm brain function. EEG features of the most common developmental brain injuries in preterm infants, including intraventricular haemorrhage, periventricular leukomalacia, and perinatal asphyxia, are described. We outline the most common EEG biomarkers associated with these injuries, namely seizures, positive rolandic sharp waves, EEG suppression/increased interburst intervals, mechanical delta brush activity, and other deformed EEG waveforms, asymmetries, and asynchronies...
2017: Developmental Neuroscience
https://www.readbyqxmd.com/read/28401605/prediction-of-delivering-a-small-for-gestational-age-infant-and-adverse-perinatal-outcome-in-women-with-suspected-pre-eclampsia
#14
Melanie Griffin, Paul T Seed, Suzy Duckworth, Robyn North, Jenny Myers, Lucy Mackillop, Nigel Simpson, Jason Waugh, Dilly Anumba, Louise C Kenny, Christopher W G Redman, Andrew H Shennan, Lucy C Chappell
OBJECTIVE: To evaluate the test performance of 47 biomarkers and ultrasound parameters to predict subsequent delivery of an SGA infant and adverse perinatal outcome in women presenting with suspected preeclampsia. METHODS: In a prospective, multicentre observational study, 47 biomarkers and ultrasound parameters were measured in 397 women presenting with suspected preterm preeclampsia, with the objective of evaluating them as predictors of subsequent delivery of an SGA infant and adverse perinatal outcome...
April 12, 2017: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28400603/maternal-plasma-mirnas-as-biomarkers-during-mid-pregnancy-to-predict-later-spontaneous-preterm-birth-a-pilot-study
#15
Clint Gray, Lesley M McCowan, Rachna Patel, Rennae S Taylor, Mark H Vickers
More than 10% of babies are born too early resulting in over 15 million preterm births and more than one million new-born deaths globally. Although women with a previous spontaneous preterm birth (SPTB) are considered at high risk for recurrence, the majority occur in women without prior history. Prediction of SPTB risk allows for improved care and potential for targeting novel and existing therapeutics to prevent SPTB, which may result in improved outcomes for infant and mother. In this pilot study, a miRNA array was used to analyse plasma from healthy women in their first pregnancy at 20 weeks of gestation who then went on to deliver either at term or experience SPTB at 28-32 weeks...
April 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28395175/oxygen-and-oxidative-stress-in-the-perinatal-period
#16
REVIEW
Isabel Torres-Cuevas, Anna Parra-Llorca, Angel Sánchez-Illana, Antonio Nuñez-Ramiro, Julia Kuligowski, Consuelo Cháfer-Pericás, María Cernada, Justo Escobar, Máximo Vento
Fetal life evolves in a hypoxic environment. Changes in the oxygen content in utero caused by conditions such as pre-eclampsia or type I diabetes or by oxygen supplementation to the mother lead to increased free radical production and correlate with perinatal outcomes. In the fetal-to-neonatal transition asphyxia is characterized by intermittent periods of hypoxia ischemia that may evolve to hypoxic ischemic encephalopathy associated with neurocognitive, motor, and neurosensorial impairment. Free radicals generated upon reoxygenation may notably increase brain damage...
August 2017: Redox Biology
https://www.readbyqxmd.com/read/28328980/early-biomarkers-of-brain-injury-and-cerebral-hypo-and-hyperoxia-in-the-safeboosc-ii-trial
#17
Anne M Plomgaard, Thomas Alderliesten, Topun Austin, Frank van Bel, Manon Benders, Olivier Claris, Eugene Dempsey, Monica Fumagalli, Christian Gluud, Cornelia Hagmann, Simon Hyttel-Sorensen, Petra Lemmers, Wim van Oeveren, Adelina Pellicer, Tue H Petersen, Gerhard Pichler, Per Winkel, Gorm Greisen
BACKGROUND: The randomized clinical trial, SafeBoosC II, examined the effect of monitoring of cerebral oxygenation by near-infrared spectroscopy combined with a guideline on treatment when cerebral oxygenation was out of the target range. Data on cerebral oxygenation was collected in both the intervention and the control group. The primary outcome was the reduction in the burden of cerebral hypo- and hyperoxia between the two groups. In this study we describe the associations between the burden of cerebral hypo- and hyperoxia, regardless of allocation to intervention or control group, and the biomarkers of brain injury from birth till term equivalent age that was collected as secondary and explorative outcomes in the SafeBoosC II trial...
2017: PloS One
https://www.readbyqxmd.com/read/28289719/type-i-interferons-regulate-susceptibility-to-inflammation-induced-preterm-birth
#18
Monica Cappelletti, Pietro Presicce, Matthew J Lawson, Vandana Chaturvedi, Traci E Stankiewicz, Simone Vanoni, Isaac T W Harley, Jaclyn W McAlees, Daniel A Giles, Maria E Moreno-Fernandez, Cesar M Rueda, Paranth Senthamaraikannan, Xiaofei Sun, Rebekah Karns, Kasper Hoebe, Edith M Janssen, Christopher L Karp, David A Hildeman, Simon P Hogan, Suhas G Kallapur, Claire A Chougnet, Sing Sing Way, Senad Divanovic
Preterm birth (PTB) is a leading worldwide cause of morbidity and mortality in infants. Maternal inflammation induced by microbial infection is a critical predisposing factor for PTB. However, biological processes associated with competency of pathogens, including viruses, to induce PTB or sensitize for secondary bacterial infection-driven PTB are unknown. We show that pathogen/pathogen-associated molecular pattern-driven activation of type I IFN/IFN receptor (IFNAR) was sufficient to prime for systemic and uterine proinflammatory chemokine and cytokine production and induction of PTB...
March 9, 2017: JCI Insight
https://www.readbyqxmd.com/read/28271401/variants-of-the-eaat2-glutamate-transporter-gene-promoter-are-associated-with-cerebral-palsy-in-preterm-infants
#19
Shavanthi Rajatileka, David Odd, Matthew T Robinson, Alexandra C Spittle, Louis Dwomoh, Maggie Williams, David Harding, Miles Wagstaff, Marie Owen, Charlene Crosby, Jared Ching, Elek Molnár, Karen Luyt, Anikó Váradi
Preterm delivery is associated with neurodevelopmental impairment caused by environmental and genetic factors. Dysfunction of the excitatory amino acid transporter 2 (EAAT2) and the resultant impaired glutamate uptake can lead to neurological disorders. In this study, we investigated the role of single nucleotide polymorphisms (SNPs; g.-200C>A and g.-181A>C) in the EAAT2 promoter in susceptibility to brain injury and neurodisability in very preterm infants born at or before 32-week gestation. DNA isolated from newborns' dried blood spots were used for pyrosequencing to detect both SNPs...
March 7, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28170188/endothelial-progenitor-cells-as-prognostic-markers-of-preterm-birth-associated-complications
#20
Mariane Bertagnolli, Anne Monique Nuyt, Bernard Thébaud, Thuy Mai Luu
Preterm birth is associated with alteration of the vascular tree that can result in disease states such as bronchopulmonary dysplasia and retinopathy of prematurity during the neonatal period and emphysema and hypertension in adulthood. Studies have suggested a potential role for endothelial progenitor cells in the pathophysiology of prematurity-related complications involving blood vessels; however, this knowledge has never been synthesized. We conducted a systematic review of the published data to examine the characteristics of endothelial progenitor cells in relation to preterm birth in humans...
January 2017: Stem Cells Translational Medicine
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