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Biomarker preterm infants

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https://www.readbyqxmd.com/read/29436854/feasibility-of-event-related-potential-erp-biomarker-use-to-study-effects-of-mother-s-voice-exposure-on-speech-sound-differentiation-of-preterm-infants
#1
Olena D Chorna, Ellyn L Hamm, Hemang Shrivastava, Nathalie L Maitre
Atypical maturation of auditory neural processing contributes to preterm-born infants' language delays. Event-related potential (ERP) measurement of speech-sound differentiation might fill a gap in treatment-response biomarkers to auditory interventions. We evaluated whether these markers could measure treatment effects in a quasi-randomized prospective study. Hospitalized preterm infants in passive or active, suck-contingent mother's voice exposure groups were not different at baseline. Post-intervention, the active group had greater increases in/du/-/gu/differentiation in left frontal and temporal regions...
2018: Developmental Neuropsychology
https://www.readbyqxmd.com/read/29429901/circulating-biomarkers-in-extremely-preterm-infants-associated-with-ultrasound-indicators-of-brain-damage
#2
Alan Leviton, Elizabeth N Allred, Raina N Fichorova, T Michael O'Shea, Lynn A Fordham, Karl K C Kuban, Olaf Dammann
AIM: To assess to what extent the blood concentrations of proteins with neurotrophic and angiogenic properties measured during the first postnatal month convey information about the risk of sonographically-identified brain damage among very preterm newborns. METHODS: Study participants were 1219 children who had a cranial ultrasound scan during their stay in the intensive care nursery and blood specimens collected on 2 separate days at least a week apart during the first postnatal month...
January 31, 2018: European Journal of Paediatric Neurology: EJPN
https://www.readbyqxmd.com/read/29385065/breast-milk-lipidome-is-associated-with-early-growth-trajectory-in-preterm-infants
#3
Marie-Cécile Alexandre-Gouabau, Thomas Moyon, Véronique Cariou, Jean-Philippe Antignac, El Mostafa Qannari, Mikaël Croyal, Mohamed Soumah, Yann Guitton, Agnès David-Sochard, Hélène Billard, Arnaud Legrand, Cécile Boscher, Dominique Darmaun, Jean-Christophe Rozé, Clair-Yves Boquien
Human milk is recommended for feeding preterm infants. The current pilot study aims to determine whether breast-milk lipidome had any impact on the early growth-pattern of preterm infants fed their own mother's milk. A prospective-monocentric-observational birth-cohort was established, enrolling 138 preterm infants, who received their own mother's breast-milk throughout hospital stay. All infants were ranked according to the change in weight Z-score between birth and hospital discharge. Then, we selected infants who experienced "slower" (n = 15, -1...
January 31, 2018: Nutrients
https://www.readbyqxmd.com/read/29352349/factors-affecting-n-terminal-pro-b-type-natriuretic-peptide-levels-in-preterm-infants-and-use-in-determination-of-haemodynamic-significance-of-patent-ductus-arteriosus
#4
Sarah Louise Harris, Kiran More, Bronwyn Dixon, Richard Troughton, Chris Pemberton, John Horwood, Nicola Ellis, Nicola Austin
This study aimed to investigate factors affecting N-terminal pro-B-type natriuretic peptide (NTproBNP) in preterm infants and the ability of NTproBNP to predict haemodynamically significant patent ductus arteriosus (HsPDA). Prospective cohort study of 51 infants < 30 weeks gestation. Blood NTproBNP and heart ultrasound were performed on day of life 3, 10, 28 and 36 weeks corrected age. NTproBNP levels analysed for prediction of HsPDA. The effect of gestational age, ventilation, hypoxia, bronchopulmonary dysplasia (BPD), creatinine and haemoglobin levels on NTproBNP levels were investigated...
January 19, 2018: European Journal of Pediatrics
https://www.readbyqxmd.com/read/29315570/evolving-changes-in-fetal-heart-rate-variability-and-brain-injury-after-hypoxia-ischemia-in-preterm-fetal-sheep
#5
Kyohei Yamaguchi, Christopher A Lear, Michael J Beacom, Tomoaki Ikeda, Alistair J Gunn, Laura Bennet
Hypoxia-ischemia (HI) is a major contributor to preterm brain injury, but there are currently no reliable biomarkers to identify at risk infants. We tested the hypothesis that fetal heart rate (FHR) and FHR variability (FHRV) would identify evolving brain injury after HI. Fetal sheep at 0.7 of gestation were subjected to either 15 (15-min, n = 10) or 25 min (25-min, n = 17) of complete umbilical cord occlusion or sham occlusion (n = 12). FHR and four measures of FHRV (STV, LTV, SDNN, RMSSD) were assessed until 72 h after HI...
January 8, 2018: Journal of Physiology
https://www.readbyqxmd.com/read/29286938/the-relationship-between-body-weight-cystatin-c-and-serum-creatinine-in-neonates
#6
Y Kandasamy, D Rudd, R Smith
BACKGROUND: Serum creatinine (SCr) measurement to determine glomerular filtration rate (GFR) in neonates has many pitfalls. Cystatin C (CysC) appears to be a more reliable biomarker. METHODS: We investigated the effect of birth weight on SCr and CysC measurements in a cohort of 74 infants, consisting of both term and ex-premature infants at term postmenstrual age. SCr and Cys C measurements were carried out at the same time. RESULTS: Eighty six infants were recruited into this study out of which complete data were available in 80 infants...
2017: Journal of Neonatal-perinatal Medicine
https://www.readbyqxmd.com/read/29228970/chemokine-and-cytokine-levels-in-the-lumbar-cerebrospinal-fluid-of-preterm-infants-with-post-hemorrhagic-hydrocephalus
#7
Gakwaya Habiyaremye, Diego M Morales, Clinton D Morgan, James P McAllister, Travis S CreveCoeur, Rowland H Han, Mohamed Gabir, Brandon Baksh, Deanna Mercer, David D Limbrick
BACKGROUND: Neuroinflammation has been implicated in the pathophysiology of post-hemorrhagic hydrocephalus (PHH) of prematurity, but no comprehensive analysis of signaling molecules has been performed using human cerebrospinal fluid (CSF). METHODS: Lumbar CSF levels of key cytokines (IL-1α, IL-1β, IL-4, IL-6, IL-8, IL-10, IL-12, TNF-α, TGF-β1, IFN-γ) and chemokines (XCL-1, CCL-2, CCL-3, CCL-19, CXCL-10, CXCL-11, CXCL-12) were measured using conventional and multiplexed Enzyme-linked Immunosorbent Assays and compared between preterm infants with PHH and those with no known neurological injury...
December 12, 2017: Fluids and Barriers of the CNS
https://www.readbyqxmd.com/read/29187842/low-microbial-diversity-and-abnormal-microbial-succession-is-associated-with-necrotizing-enterocolitis-in-preterm-infants
#8
Priscila T Dobbler, Renato S Procianoy, Volker Mai, Rita C Silveira, Andréa L Corso, Bruna S Rojas, Luiz F W Roesch
Despite increased efforts, the diverse etiologies of Necrotizing Enterocolitis (NEC) have remained largely elusive. Clinical predictors of NEC remain ill-defined and currently lack sufficient specificity. The development of a thorough understanding of initial gut microbiota colonization pattern in preterm infants might help to improve early detection or prediction of NEC and its associated morbidities. Here we compared the fecal microbiota successions, microbial diversity, abundance and structure of newborns that developed NEC with preterm controls...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/29172706/methylation-changes-and-pathways-affected-in-preterm-birth-a-role-for-slc6a3-in-neurodevelopment
#9
Ana Arpón, Fermín I Milagro, Ana Laja, Víctor Segura, Miguel Sáenz de Pipaón, José-Ignacio Riezu-Boj, J Alfredo Martínez
AIM: To analyze whether preterm newborns show differences in methylation patterns in comparison to full-term newborns in white blood cells. PATIENTS & METHODS: Anthropometrical, biochemical features and methylation levels of preterm newborns (n = 24) and full-term newborns (n = 22) recruited in La Paz University Hospital (Spain) were assessed at 12 months of gestational age, whereas Bayley Scale of Infant Development was evaluated at 24/36 months. RESULTS: From all the statistically significant CpGs, methylation levels of cg00997378 (SLC6A3 gene) showed the highest differences (p < 0...
November 27, 2017: Epigenomics
https://www.readbyqxmd.com/read/29163364/telomere-length-in-preterm-infants-a-promising-biomarker-of-early-adversity-and-care-in-the-neonatal-intensive-care-unit
#10
Livio Provenzi, Giunia Scotto di Minico, Roberto Giorda, Rosario Montirosso
Preterm infants present an immature neurobehavioral profile at birth, even in absence of severe brain injuries and perinatal complications. As such, they require a long-lasting hospitalization in the Neonatal Intensive Care Unit (NICU), which is thought to grant at-risk newborns' survival, but still entails a number of physical, painful, and socio-emotional stressors. Hence, preterm birth and NICU stay represent an early adverse experience, which has been linked to detrimental consequences for neurological, neuro-endocrinal, behavioral, and socio-emotional development, as well as to disease later in life...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29148239/metabolic-signature-of-microvescicles-from-umbilical-cord-mesenchimal-stem-cells-of-preterm-and-term-infants
#11
Maurizio Bruschi, Laura Santucci, Silvia Ravera, Martina Bartolucci, Andrea Petretto, Daniela Calzia, Gianmarco Ghiggeri, Luca A Ramenghi, Giovanni Candiano, Isabella Panfoli
PURPOSE: Microvesicles, 200-1000 nm bodies budding from the cell plasma membrane, are a promising source of biomarkers. This study aimed at comparing the proteome of Microvesicles collected by ultracentrifugation from cultured Mesenchymal Stem Cells from Human Umbilical Cord of Preterm newborns(<34-weeks gestational age) in comparison to infants at Term(≥37 weeks). This discovery study was designed to establish the signature of prematurity. EXPERIMENTAL DESIGN: Orbitrap mass spectrometry, statistical, bioinformatics and biochemical analyses were employed...
November 16, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/29130703/nutritional-practices-in-very-low-birth-weight-infants-a-national-survey
#12
Miguel Sáenz de Pipaón, Ricardo Closa, María Gormaz, Marcos Linés, Eduardo Narbona, Gerardo Rodríguez-Martínez, 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/29096631/prediction-of-uncomplicated-pregnancies-in-obese-women-a-prospective-multicentre-study
#13
Matias C Vieira, Sara L White, Nashita Patel, Paul T Seed, Annette L Briley, Jane Sandall, Paul Welsh, Naveed Sattar, Scott M Nelson, Debbie A Lawlor, Lucilla Poston, Dharmintra Pasupathy
BACKGROUND: All obese pregnant women are considered at equal high risk with respect to complications in pregnancy and birth, and are commonly managed through resource-intensive care pathways. However, the identification of maternal characteristics associated with normal pregnancy outcomes could assist in the management of these pregnancies. The present study aims to identify the factors associated with uncomplicated pregnancy and birth in obese women, and to assess their predictive performance...
November 3, 2017: BMC Medicine
https://www.readbyqxmd.com/read/29095375/negative-temperature-differential-in-preterm-infants-less-than-29-weeks-gestational-age-associations-with-infection-and-maternal-smoking
#14
Robin B Knobel-Dail, Richard Sloane, Diane Holditch-Davis, David T Tanaka
BACKGROUND: Hypothermia is related to increased morbidity and mortality in very preterm infants; continuous temperature monitoring is necessary. Thermoregulation is limited in preterm infants. OBJECTIVES: The purpose of the research was to assess and describe negative temperature differential (NTD) and assess the associations of NTD with infant demographic characteristics, medical history, and clinical events. METHODS: An exploratory, case study design was used...
November 2017: Nursing Research
https://www.readbyqxmd.com/read/29092751/a-time-based-analysis-of-inflammation-in-infants-at-risk-of-bronchopulmonary-dysplasia
#15
Sandrine Leroy, Elsa Caumette, Chandra Waddington, Audrey Hébert, Rollin Brant, Pascal M Lavoie
OBJECTIVE: To precisely delineate the timing and contribution of inflammation to bronchopulmonary dysplasia (BPD) in preterm infants during the neonatal period. STUDY DESIGN: Longitudinal study of blood inflammatory biomarkers (interleukin [IL]-6, IL-8, and granulocyte colony-stimulating factor) measured between birth and 42 days of age, at high temporal (daily) resolution, in infants born at or below 30 weeks of gestation. Cytokine predictors of BPD at 36 weeks postmenstrual age were adjusted for infant-specific and time-dependent factors, using hierarchical mixed effects regressions models...
January 2018: Journal of Pediatrics
https://www.readbyqxmd.com/read/29065963/neurodevelopmental-outcomes-at-two-years-of-age-for-premature-infants-diagnosed-with-neonatal-obstructive-sleep-apnea
#16
Anuja Bandyopadhyay, Heidi Harmon, James E Slaven, Ameet S Daftary
STUDY OBJECTIVES: Neurocognitive deficits have been shown in school-aged children with sleep apnea. The effect of obstructive sleep apnea (OSA) on the neurodevelopmental outcome of preterm infants is unknown. METHODS: A retrospective chart review was performed for all preterm infants (< 37 weeks) who had neonatal polysomnography (PSG) and completed neurodevelopmental assessment with the Bayley Scales of Infant and Toddler Development, 3rd Edition, between 2006 to 2015 at Riley Hospital...
November 15, 2017: Journal of Clinical Sleep Medicine: JCSM: Official Publication of the American Academy of Sleep Medicine
https://www.readbyqxmd.com/read/29055117/can-neutrophil-to-lymphocyte-ratio-predict-late-onset-sepsis-in-preterm-infants
#17
Senem Alkan Ozdemir, Esra Arun Ozer, Ozkan Ilhan, Sumer Sutcuoglu
BACKGROUND: The neutrophil to lymphocyte ratio (NLR) is an easily accessible biomarker that has been reported to represent disease severity in adult trials. The aim of this study was to evaluate the relationship between culture positiveness and NLR in cases where the reason of sepsis was considered, and to foresight an idea about the active agents. METHODS: Preterm infants with birth weights ≤1500 g and/or ≤32 gestational weeks were eligible for this study...
October 21, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/29053703/development-of-severe-bronchopulmonary-dysplasia-is-associated-with-alterations-in-fecal-volatile-organic-compounds
#18
Daniel J C Berkhout, Hendrik J Niemarkt, Marc A Benninga, Andries E Budding, Anton H van Kaam, Boris W Kramer, Charlene M Pantophlet, Mirjam M van Weissenbruch, Nanne K H de Boer, Tim G J de Meij
BackgroundAim of this study was to evaluate the potential of fecal volatile organic compounds (VOC), obtained by means of an electronic nose device (Cyranose 320®), as early non-invasive biomarker for BPD.MethodsIn this nested case-control study performed at three Neonatal Intensive Care Units, fecal samples obtained at postnatal age of 7, 14, 21 and 28 days, from preterm infants with severe BPD, were compared with fecal VOC profiles from matched controls. Microbiota analysis was performed by means of IS-pro technique on fecal samples collected at 28 days postnatally...
October 20, 2017: Pediatric Research
https://www.readbyqxmd.com/read/29051031/inflammatory-molecules-and-neurotrophic-factors-as-biomarkers-of-neuropsychomotor-development-in-preterm-neonates-a-systematic-review
#19
REVIEW
Rafael C Magalhães, Letícia P Pimenta, Izabela G Barbosa, Janaina M Moreira, João L V M de Barros, Antônio L Teixeira, Ana C Simões E Silva
OBJECTIVE: To provide a systematic review investigating the role of inflammatory molecules and neurotrophic factors as biomarkers of neuropsychomotor development in preterm neonates. DATA SOURCE: Databases including PubMed, BIREME, and Scopus were systematically searched. Observational studies, as well as transversal, and cohort studies using human subjects published from 1990 to September 2017 were eligible for inclusion. Two authors independently identified eligible studies and analyzed their characteristics, quality, and accuracy in depth...
October 16, 2017: International Journal of Developmental Neuroscience
https://www.readbyqxmd.com/read/29035757/pulmonary-hypertension-associated-with-bronchopulmonary-dysplasia-in-preterm-infants
#20
REVIEW
Christine B Bui, Merrin A Pang, Arvind Sehgal, Christiane Theda, Jason C Lao, Philip J Berger, Marcel F Nold, Claudia A Nold-Petry
Bronchopulmonary dysplasia (BPD) and BPD-associated pulmonary hypertension (BPD-PH) are chronic inflammatory cardiopulmonary diseases with devastating short- and long-term consequences for infants born prematurely. The immature lungs of preterm infants are ill-prepared to achieve sufficient gas exchange, thus usually necessitating immediate commencement of respiratory support and oxygen supplementation. These therapies are life-saving, but they exacerbate the tissue damage that is inevitably inflicted on a preterm lung forced to perform gas exchange...
November 2017: Journal of Reproductive Immunology
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