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Biomarker preterm infants

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https://www.readbyqxmd.com/read/29742943/comparison-between-presepsin-and-procalcitonin-in-early-diagnosis-of-neonatal-sepsis
#1
Agustin Iskandar, Maimun Z Arthamin, Kristin Indriana, Muhammad Anshory, Mina Hur, Salvatore Di Somma
BACKGROUND: Neonatal sepsis remains worldwide one of the leading causes of morbidity and mortality in both term and preterm infants. Lower mortality rates are related to timely diagnostic evaluation and prompt initiation of empiric antibiotic therapy. Blood culture, as gold standard examination for sepsis, has several limitations for early diagnosis, so that sepsis biomarkers could play an important role in this regard. This study was aimed to compare the value of the two biomarkers presepsin and procalcitonin in early diagnosis of neonatal sepsis...
May 9, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29724000/oxygen-induced-retinopathy-from-recurrent-intermittent-hypoxia-is-not-dependent-on-resolution-with-room-air-or-oxygen-in-neonatal-rats
#2
Kay D Beharry, Charles L Cai, Jacqueline Skelton, Faisal Siddiqui, Christina D'Agrosa, Johanna Calo, Gloria B Valencia, Jacob V Aranda
Preterm infants often experience intermittent hypoxia (IH) with resolution in room air (RA) or hyperoxia (Hx) between events. Hypoxia is a major inducer of vascular endothelial growth factor, which plays a key role in normal and aberrant retinal angiogenesis. This study tested the hypothesis that neonatal IH which resolved with RA is less injurious to the immature retina than IH resolved by Hx between events. Newborn rats were exposed to: (1) Hx (50% O₂) with brief hypoxia (12% O₂); (2) RA with 12% O₂; (3) Hx with RA; (4) Hx only; or (5) RA only, from P0 to P14...
May 1, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29689740/pilot-feasibility-study-to-detect-mesenchymal-stem-cell-biomarkers-of-bronchopulmonary-dysplasia-in-the-tracheal-aspirate-fluid-of-preterm-infants
#3
R G LaGrandeur, M Singhal, F Bany-Mohammed, C Uy, R Koeppel, F Zaldivar, F Haddad, A Nalbandian, P Donovan, D M Cooper, M Aslam
OBJECTIVE: This study aimed to detect novel mesenchymal stem cell peptides/biomarkers of bronchopulmonary dysplasia (BPD) in the tracheal aspirate fluid (TAF) of preterm infants. STUDY DESIGN: Participants included infants less than 32 weeks' gestational age or birth weight under 1500 grams who required endotracheal intubation and mechanical ventilation within first 24 hours of life. TAF sample collection was performed at the time of the first clinically indicated routine suctioning...
2018: Journal of Neonatal-perinatal Medicine
https://www.readbyqxmd.com/read/29687638/tracheal-aspirate-vegf-and-sphingolipid-metabolites-in-the-preterm-infant-with-later-development-of-bronchopulmonary-dysplasia
#4
Karen D Hendricks-Muñoz, Jie Xu, Judith A Voynow
OBJECTIVE: Vascular endothelial growth factor (VEGF) and sphingolipid metabolites, sphingosine 1-phosphate (S1P), and ceramides are important to lung development and repair. We hypothesized specific sphingolipid and VEGF alterations would be associated with BPD development and aimed to investigate the early tracheal aspirate (TA) VEGF and S1P relationship with later diagnosis of preterm infant bronchopulmonary dysplasia, BPD. DESIGN: TA VEGF and lipidomics were measured in TA from Infants <32 weeks gestational age at birth with and without later BPD...
April 23, 2018: Pediatric Pulmonology
https://www.readbyqxmd.com/read/29683528/microchip-electrophoresis-separation-of-a-panel-of-preterm-birth-biomarkers
#5
Anna V Nielsen, Jacob B Nielsen, Radim Knob, Vishal Sahore, Adam T Woolley
Preterm birth (PTB) is responsible for over one million infant deaths annually worldwide. Often, the first and only indication of PTB risk is the onset of early labor. Thus, there is an urgent need for an early PTB risk diagnostic that is inexpensive, reliable, and robust. Here, we describe the development of a microchip electrophoresis (μCE) method for separating a mixture of six PTB protein and peptide biomarkers present in maternal blood serum. μCE devices were photografted with a poly(ethylene glycol) diacrylate surface coating to regulate EOF and reduce non-specific analyte adsorption...
April 23, 2018: Electrophoresis
https://www.readbyqxmd.com/read/29658461/-monitoring-of-kidney-injury-in-preterm-infants
#6
Rong Zhang, Wen-Bin Dong
Acute kidney injury (AKI) is a common complication in the neonatal intensive care unit that causes a high mortality of preterm infants and various chronic kidney diseases in adulthood. Preterm infants have immature development of the kidneys at birth. The kidneys continue to develop within a specific time window after birth. However, due to various factors during pregnancy and after birth, preterm infants tend to develop AKI. At present, serum creatinine and urine volume are used for the assessment of kidney injury, and their early sensitivity and specificity have attracted increasing attention...
April 2018: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/29644893/activation-of-the-nfkb-pathway-alters-the-phenotype-of-mscs-in-the-tracheal-aspirates-of-preterm-infants-with-severe-bpd
#7
Tobias Reicherzer, Susanne Häffner, Tayyab Shahzad, Judith Gronbach, Josef Mysliwietz, Christoph Huebener, Uwe Hasbargen, Jan Gertheiss, Andreas Schulze, Saverio Bellusci, Rory E Morty, Anne Hilgendorff, Harald Ehrhardt
Mesenchymal stromal cells (MSCs) are released into the airways of preterm infants following lung injury. These cells display a pro-inflammatory phenotype and are associated with development of severe bronchopulmonary dysplasia (BPD). We aimed to characterize the functional properties of MSCs obtained from tracheal aspirates of 50 preterm infants who required invasive ventilation. Samples were separated by disease severity. The increased proliferative capacity of MSCs was associated with longer duration of mechanical ventilation and higher severity of BPD...
April 12, 2018: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/29605824/utility-of-serum-resistin-in-the-diagnosis-of-neonatal-sepsis-and-prediction-of-disease-severity-in-term-and-late-preterm-infants
#8
Ahmed Anwar Khattab, Muhammad Said El-Mekkawy, Mohamed Ahmed Helwa, Ehab Seif Omar
INTRODUCTION: Resistin is a proinflammatory hormone recently proposed as a sepsis biomarker. Our aim was to evaluate the diagnostic and prognostic values of this marker in neonatal sepsis. METHODS: This is a prospective observational study that includes 60 term and late preterm neonates with proven and possible sepsis besides 30 healthy controls. Resistin and other biomarkers, like C-reactive protein (CRP), were measured within 2 h of neonatal intensive care unit (NICU) admission...
March 31, 2018: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/29570915/ischemia-modified-albumin-in-preterm-infants-born-to-mothers-with-preeclampsia
#9
Özmert M A Özdemir, Emine Özdemir, Yaşar Enli, Özer Öztekin, Hacer Ergin
BACKGROUND: Preeclampsia (PE) is at increased risk for maternal and/or fetal mortality or serious morbidity. PE is associated with ischemia and increased oxidative stress in placenta, which may lead to modification of plasma albumin to ischemia-modified-albumin (IMA). We aimed to investigate of IMA and hematological parameters in premature infants born to mothers with normal pregnancy and preeclampsia, and also in their mothers. METHODS: Twentyfive pregnants with PE and their premature newborns as PE-group, and 25 normotensive pregnants and their premature newborns as control-group were included the study...
March 23, 2018: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/29534807/biomarkers-of-oxidative-stress-derived-damage-to-proteins-and-dna-in-human-breast-milk
#10
Ángel Sánchez-Illana, Anna Parra-Llorca, Diana Escuder-Vieco, Carmen Rosa Pallás-Alonso, María Cernada, María Gormaz, Máximo Vento, Julia Kuligowski
Oxidative stress derived biomarkers have been extensively studied for assessing pathological situations in the neonatal period and their usefulness for an early outcome prediction of oxidative stress related diseases in non-invasive biofluids could be demonstrated. This is the first report on a method for the simultaneous detection of a panel of oxidative stress related biomarkers for quantifying damage to proteins and DNA in human breast milk samples. A straightforward sample clean-up procedure using 1.5 mL of milk was developed and extracts were analyzed by ultra-performance liquid chromatography coupled to tandem mass spectrometry...
August 3, 2018: Analytica Chimica Acta
https://www.readbyqxmd.com/read/29526602/epigenome-wide-study-for-the-offspring-exposed-to-maternal-hbv-infection-during-pregnancy-a-pilot-study
#11
Qijun Cheng, Bin Zhao, Zhenxiang Huang, Yanhua Su, Biqin Chen, Songjing Yang, Xueqi Peng, Qilin Ma, Xiaoshan Yu, Benhua Zhao, Xiayi Ke
BACKGROUND & AIM: Hepatitis B virus (HBV) can be transmitted to infants, and is related to infants' later disease risk. Epigenetic change (such as DNA methylation) may be mechanism underlying the relationship. In this study, we aimed to investigate whether prenatal HBV infection could alter DNA methylation status in newborns. METHOD: We selected 12 neonates with intrauterine HBV infection whose mothers were HBsAg-positive during pregnancy, relative to 12 HBV-free neonates with HBsAg-negative mothers...
June 5, 2018: Gene
https://www.readbyqxmd.com/read/29519542/point-of-care-fecal-calprotectin-monitoring-in-preterm-infants-at-risk-for-necrotizing-enterocolitis
#12
Warapan Nakayuenyongsuk, Megan Christofferson, David K Stevenson, Karl Sylvester, Henry C Lee, K T Park
OBJECTIVE: To establish baseline trends in fecal calprotectin, a protein excreted into the stool when there is neutrophilic inflammation in the bowel, in infants at risk for necrotizing enterocolitis (NEC). STUDY DESIGN: We performed a prospective observational cohort study in infants with a birth weight of <1500 g without existing bowel disease at a level IV neonatal intensive care unit from October 2015 to September 2016. Stools were collected once daily for 30 days or until 32 weeks postmenstrual age and processed using the Fecal Calprotectin High Range Quantitative Quantum Blue assay...
May 2018: Journal of Pediatrics
https://www.readbyqxmd.com/read/29515035/exosomal-microrna-predicts-and-protects-against-severe-bronchopulmonary-dysplasia-in-extremely-premature-infants
#13
Charitharth Vivek Lal, Nelida Olave, Colm Travers, Gabriel Rezonzew, Kalsang Dolma, Alexandra Simpson, Brian Halloran, Zubair Aghai, Pragnya Das, Nirmal Sharma, Xin Xu, Kristopher Genschmer, Derek Russell, Tomasz Szul, Nengjun Yi, J Edwin Blalock, Amit Gaggar, Vineet Bhandari, Namasivayam Ambalavanan
Premature infants are at high risk for developing bronchopulmonary dysplasia (BPD), characterized by chronic inflammation and inhibition of lung development, which we have recently identified as being modulated by microRNAs (miRNAs) and alterations in the airway microbiome. Exosomes and exosomal miRNAs may regulate cell differentiation and tissue and organ development. We discovered that tracheal aspirates from infants with severe BPD had increased numbers of, but smaller, exosomes compared with term controls...
March 8, 2018: JCI Insight
https://www.readbyqxmd.com/read/29505771/aspirin-for-evidence-based-preeclampsia-prevention-trial-effect-of-aspirin-on-length-of-stay-in-the-neonatal-intensive-care-unit
#14
David Wright, Daniel L Rolnik, Argyro Syngelaki, Catalina de Paco Matallana, Mirian Machuca, Mercedes de Alvarado, Sofia Mastrodima, Min Yi Tan, Siobhan Shearing, Nicola Persico, Jacques C Jani, Walter Plasencia, George Papaioannou, Francisca S Molina, Liona C Poon, Kypros H Nicolaides
BACKGROUND: Preeclampsia is a major pregnancy complication with adverse short- and long-term implications for both the mother and baby. Screening for preeclampsia at 11-13 weeks' gestation by a combination of maternal demographic characteristics and medical history with measurements of biomarkers can identify about 75% of women who develop preterm preeclampsia with delivery at <37 weeks' gestation and 90% of those with early preeclampsia at <32 weeks, at a screen-positive rate of 10%...
March 2, 2018: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/29505594/neonatal-intensive-care-unit-phthalate-exposure-and-preterm-infant-neurobehavioral-performance
#15
Annemarie Stroustrup, Jennifer B Bragg, Syam S Andra, Paul C Curtin, Emily A Spear, Denise B Sison, Allan C Just, Manish Arora, Chris Gennings
Every year in the United States, more than 300,000 infants are admitted to neonatal intensive care units (NICU) where they are exposed to a chemical-intensive hospital environment during a developmentally vulnerable period. The neurodevelopmental impact of environmental exposure to phthalates during the NICU stay is unknown. As phthalate exposure during the third trimester developmental window has been implicated in neurobehavioral deficits in term-born children that are strikingly similar to a phenotype of neurobehavioral morbidity common among children born premature, the role of early-life phthalate exposure on the neurodevelopmental trajectory of premature infants may be clinically important...
2018: PloS One
https://www.readbyqxmd.com/read/29488419/the-potential-of-gut-microbiota-and-fecal-volatile-organic-compounds-analysis-as-early-diagnostic-biomarker-for-necrotizing-enterocolitis-and-sepsis-in-preterm-infants
#16
Daniel Johannes Cornelis Berkhout, Hendrik Johannes Niemarkt, Nanne Klaas Hendrik de Boer, Marc Alexander Benninga, Timotheüs Gualtherus Jacob de Meij
Although the exact pathophysiological mechanisms of both necrotizing enterocolitis (NEC) and late-onset sepsis (LOS) in preterm infants are yet to be elucidated, evidence is emerging that the gut microbiota plays a key role in their pathophysiology. Areas covered: In this review, initial microbial colonization and factors influencing microbiota composition are discussed. For both NEC and LOS, an overview of studies investigating preclinical alterations in gut microbiota composition and fecal volatile organic compounds (VOCs) is provided...
May 2018: Expert Review of Gastroenterology & Hepatology
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
#17
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
#18
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...
May 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
#19
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
#20
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...
April 2018: European Journal of Pediatrics
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