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Neonate, preterm,term

Charles Cai, Taimur Ahmad, Gloria B Valencia, Jacob V Aranda, Jiliu Xu, Kay D Beharry
OBJECTIVES: Extremely low gestational age neonates with chronic lung disease requiring oxygen therapy frequently experience fluctuations in arterial oxygen saturation or intermittent hypoxia (IH). These infants are at risk for multi-organ developmental delay, reduced growth, and short stature. The growth hormone (GH)/insulin-like growth factor-I (IGF-1) system, an important hormonal regulator of lipid and carbohydrate metabolism, promotes neonatal growth and development. We tested the hypothesis that increasing episodes of IH delay neonatal growth by influencing the GH/IGF-I axis...
March 8, 2018: Growth Hormone & IGF Research
Elizabeth A Brownell, Adam P Matson, Kelsey C Smith, James E Moore, Patricia A Esposito, Mary M Lussier, Trudy J Lerer, James I Hagadorn
BACKGROUND: A dose-response relationship between proportions of donor human milk (DHM) intake and in-neonatal intensive care unit (in-NICU) growth rates, if any, remains poorly defined. Objective was to evaluate interrelationships between percentages of DHM, mother's own milk (MOM), and preterm formula (PF) intake and neonatal growth parameters at 36 weeks postmenstrual age or NICU discharge. METHODS: Infants eligible for this single-center retrospective study were inborn at ≤32 weeks gestation or ≤1800 g, stayed in the NICU for ≥7 days, and received enteral nutrition consisting of human milk fortified with Enfamil human milk fortifier acidified liquid...
March 14, 2018: Journal of Pediatric Gastroenterology and Nutrition
Carlos Menendez-Castro, Dörte Nitz, Nada Cordasic, Jutta Jordan, Tobias Bäuerle, Fabian B Fahlbusch, Wolfgang Rascher, Karl F Hilgers, Andrea Hartner
Neonatal nephron loss may follow hypoxic-ischemic events or nephrotoxic medications. Its long-term effects on the kidney are still unclear. Unlike term infants, preterm neonates less than 36 weeks gestational age show ongoing nephrogenesis. We hypothesized that nephron loss during nephrogenesis leads to more severe renal sequelae than nephron loss shortly after the completion of nephrogenesis. Rats show nephrogenesis until day 10 of life resembling the situation of preterm infants. Animals were uninephrectomized at day 1 (UNX d1) resulting in nephron reduction during nephrogenesis and at day 14 of life (UNX d14) inducing nephron loss after the completion of nephrogenesis...
March 14, 2018: Scientific Reports
Francesca Ciuffini, Colin F Robertson, David G Tingay
Chronic respiratory morbidity is a common complication of premature birth, generally defined by the presence of bronchopulmonary dysplasia, both clinically and in trials of respiratory therapies. However, recent data have highlighted that bronchopulmonary dysplasia does not correlate with chronic respiratory morbidity in older children born preterm. Longitudinally evaluating pulmonary morbidity from early life through to childhood provides a more rational method of defining the continuum of chronic respiratory morbidity of prematurity, and offers new insights into the efficacy of neonatal respiratory interventions...
March 31, 2018: European Respiratory Review: An Official Journal of the European Respiratory Society
Siddhidatri Mishra, Rashmi Bagga, Jasvinder Kalra, Vanita Jain, Sourabh Dutta
Women (n = 300) at 'low risk' for a preterm birth (PTB), a singleton pregnancy and for a 16-24 week period of gestation (POG) were randomised to undergo cervical length (CL) measurement by transvaginal sonography (TVS) or not. The aim was to see if routine CL measurement and treatment of a short CL reduced the PTB rate. 'Low risk' was defined by an absence of a prior abortion or PTB of a singleton infant (>16 to <37 weeks) due to a spontaneous preterm labour (PTL) or a preterm pre-labour rupture of membranes (pPROM)...
March 14, 2018: Journal of Obstetrics and Gynaecology: the Journal of the Institute of Obstetrics and Gynaecology
John A Troutman, Mary C Sullivan, Gregory J Carr, Jeffrey Fisher
Physiologically based pharmacokinetic (PBPK) models are developed from compound-independent information to describe important anatomical and physiological characteristics of an individual or population of interest. Modeling pediatric populations is challenging because of the rapid changes that occur during growth, particularly in the first few weeks and months after birth. Neonates who are born premature pose several unique challenges in PBPK model development. To provide appropriate descriptions for body weight (BW) and height (Ht) for age and appropriate incremental gains in PBPK models of the developing preterm and full term neonate, anthropometric measurements collected longitudinally from 1,063 preterm and 158 full term neonates were combined with 2,872 cross-sectional measurements obtained from the NHANES 2007-2010 survey...
March 14, 2018: Birth Defects Research
Emma de Jong, David G Hancock, Christine Wells, Peter Richmond, Karen Simmer, David Burgner, Tobias Strunk, Andrew J Currie
Preterm infants are uniquely susceptible to late-onset sepsis that is frequently caused by the skin commensal Staphylococcus epidermidis. Innate immune responses, particularly from monocytes, are a key protective mechanism. Impaired cytokine production by preterm infant monocytes is well described, but few studies have comprehensively assessed the corresponding monocyte transcriptional response. Innate immune responses in preterm infants may be modulated by inflammation such as prenatal exposure to histologic chorioamnionitis which complicates 40-70% of preterm pregnancies...
March 13, 2018: Immunology and Cell Biology
Israel Macedo, Luis Pereira-da-Silva, Manuela Cardoso
OBJECTIVE:  To determine the associations of measured protein, energy, and protein-to-energy (PER) intakes with body composition in human milk (HM)-fed preterm infants. STUDY DESIGN:  Neonates born at < 33 gestational weeks were eligible. Standard fortification method with modular supplements was used and the HM composition was measured. The weight gain velocity was calculated, and body composition was assessed by air displacement plethysmography at 40 weeks' postmenstrual age (PMA)...
February 2, 2018: American Journal of Perinatology
Deonne Dersch-Mills, Belal Alshaikh, Amuchou S Soraisham, Albert Akierman, Kamran Yusuf
Background: There is no injectable ibuprofen product marketed to treat patent ductus arteriosus (PDA) in newborns in Canada. The authors' institution has used ibuprofen arginine in the past. In the absence of published evidence supporting use of this salt form of ibuprofen for neonatal PDA, a retrospective analysis was undertaken. Objective: To compare the effectiveness and adverse effects of ibuprofen arginine, ibuprofen tromethamine, and indomethacin in the treatment of PDA...
January 2018: Canadian Journal of Hospital Pharmacy
Lauren B Crawford, Meredith R Golomb
OBJECTIVE: Here we review the current literature regarding visual outcome after perinatal and childhood stroke. BACKGROUND: Visual deficits following stroke in adults are common and have been previously reviewed. Less is known about visual deficits following stroke in neonates and older children. Most of the literature regarding this subject has focused on preterm infants, or on other types of brain injury. This review summarizes the types of visual deficits seen in term infants following perinatal stroke and children following childhood stroke and predictors of outcome...
November 20, 2017: Pediatric Neurology
Marc Beltempo, Prakesh S Shah, Xiang Y Ye, Jehier Afifi, Shoo Lee, Douglas D McMillan
OBJECTIVE: To determine the specific Score of Neonatal Acute Physiology (SNAP-II) cut-off scores associated with outcomes in extremely preterm infants, and to examine its contribution to predictive models that include nonmodifiable birth predictors. STUDY DESIGN: Retrospective observational study of 9240 infants born at 22-28 weeks' gestation and admitted to the Canadian Neonatal Network from 2010 to 2015. Outcomes included early and hospital mortality, composite of mortality/morbidity and individual morbidities...
March 12, 2018: Journal of Maternal-fetal & Neonatal Medicine
Luminiţa Păduraru, Daniela Cristina Dimitriu, Andreea Luciana Avasiloaiei, Mihaela Moscalu, Gabriela Ildiko Zonda, Maria Stamatin
BACKGROUND: Antioxidant defense of the body is assured by both endogenous and exogenous factors comprising several enzymes, vitamins, protein components and derivates and oligoelements. Breast milk has been proven to have important and essential antioxidant composition to prevent and protect against diseases in infancy. The objective of this study was to determine the total antioxidant status (TAS) of human milk and to evaluate the differences between premature milk and term milk at different moments of lactation (colostrum, transitional milk and mature milk)...
February 8, 2018: Pediatrics and Neonatology
Arpitha Chiruvolu, Elise Elliott, Diana Rich, Genna Leal Stone, Huanying Qin, Robert W Inzer
BACKGROUND: In the range of timing suggested by American College of Obstetricians and Gynecologists 30 to 60 s, preterm infants may potentially derive more short and long-term benefits with delayed cord clamping (DCC) for at least 60 s. However, there are concerns with longer resuscitation delay in this vulnerable population. OBJECTIVE: To compare the clinical consequences of 45 versus 60 s delay in umbilical cord clamping in singleton infants born between 230/7 to 316/7 weeks gestation...
March 5, 2018: Early Human Development
Louiza Sophocleous, Inez Frerichs, Martijn Miedema, Merja Kallio, Thalia Papadouri, Christina Karaoli, Tobias Becher, David G Tingay, Anton van Kaam, Richard H Bayford, Andreas Daniel Waldmann
OBJECTIVE: Critically ill neonates and infants might particularly benefit from continuous chest electrical impedance tomography (EIT) monitoring at the bedside. In this study a textile 32-electrode interface for neonatal EIT examination has been developed and tested to validate its clinical performance. The objectives were to assess ease of use in a clinical setting, stability of contact impedance at the electrode-skin interface and possible adverse effects. APPROACH: Thirty preterm infants (gestational age: 30...
March 8, 2018: Physiological Measurement
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
Kaia Skromme, Maria Vollsæter, Knut Øymar, Trond Markestad, Thomas Halvorsen
BACKGROUND: Advances in perinatal care have markedly increased the prospects of survival for infants born extremely preterm (EP). The aim of this study was to investigate hospitalisation rates and respiratory morbidity from five to 11 years of age in a prospective national cohort of EP children born in the surfactant era. METHODS: This was a national prospective cohort study of all children born in Norway during 1999 and 2000 with gestational age (GA) < 28 weeks or birth weight < 1000 grams, and of individually matched term-born controls recruited for a regional subsample...
March 7, 2018: BMC Pediatrics
Víctor Lago Leal, Loida Pamplona Bueno, Lucía Cabanillas Vilaplana, Estefanía Nicolás Montero, Mónica Martín Blanco, Cristina Fernández Romero, Sara El Bakkali, Tamara Pradillo Aramendi, Lara Sobrino Lorenzano, Paula Castellano Esparza, Esther Ballesteros Benito, Nieves Rayo Navarro, Pablo Del Barrio Fernández, Vanesa Ocaña Martínez, Luis Martínez Cortés
OBJECTIVE: To assess the short and medium-term effects of milking maneuver (MM) compared with early cord clamping for infants born before 37 weeks of pregnancy. MATERIAL AND METHODS: 138 infants between 24+0 and 36+6 weeks of gestation were allocated to MM or early cord clamping. Primary outcomes were the requirement of red blood cell transfusions or phototherapy. RESULTS: Initial hemoglobin was significantly higher in the MM group by 1.675 g/dL (p < 0...
March 5, 2018: Fetal Diagnosis and Therapy
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 that 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
David A Osborn, Tim Schindler, Lisa J Jones, John Kh Sinn, Srinivas Bolisetty
BACKGROUND: Sick newborn and preterm infants frequently are not able to be fed enterally, necessitating parenteral fluid and nutrition. Potential benefits of higher parenteral amino acid (AA) intake for improved nitrogen balance, growth, and infant health may be outweighed by the infant's ability to utilise high intake of parenteral AA, especially in the days after birth. OBJECTIVES: The primary objective is to determine whether higher versus lower intake of parenteral AA is associated with improved growth and disability-free survival in newborn infants receiving parenteral nutrition...
March 5, 2018: Cochrane Database of Systematic Reviews
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
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