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https://www.readbyqxmd.com/read/27929532/post-term-surveillance-and-birth-outcomes-in-south-asian-born-compared-with-australian-born-women
#1
C Yim, L Wong, C Cabalag, E M Wallace, M Davies-Tuck
OBJECTIVE: To determine if apparently healthy post-term South Asian-born (SA) women were more likely to have abnormal post-term fetal surveillance than Australian- and New Zealand-born (AUS/NZ) women, whether those abnormalities were associated with increased rates of obstetric intervention and adverse perinatal outcomes, and whether SA women and their babies were at higher risk of adverse outcomes in the post-term period irrespective of their post-term surveillance outcomes. STUDY DESIGN: Post-term surveillance and perinatal outcomes of 145 SA and 272 AUS/NZ nulliparous women with a singleton post-term pregnancy were compared in a retrospective multicentre cohort analysis...
December 8, 2016: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/27925622/relation-between-amniotic-fluid-infection-or-cytokine-levels-and-hearing-screen-failure-in-infants-at-32-wk-gestation-or-less
#2
Eun Young Jung, Byung Yoon Choi, Jihye Rhee, Jaehong Park, Soo-Hyun Cho, Kyo Hoon Park
BACKGROUND: To determine whether the presence of intra-amniotic infection and elevated proinflammatory cytokine levels in amniotic fluid (AF) are associated with failure in the newborn hearing screen (NHS) test in very preterm neonates. METHODS: This is a retrospective cohort study of 112 premature singleton neonates born to women with preterm labor or preterm premature rupture of membranes at ≤32 wk. AF obtained through amniocentesis was cultured, and interleukin-6 (IL-6) and IL-8 levels were determined...
December 7, 2016: Pediatric Research
https://www.readbyqxmd.com/read/27925231/experimental-approach-to-visualize-flow-in-a-stacked-hollow-fiber-bundle-of-an-artificial-lung-with-particle-image-velocimetry
#3
Andreas Kaesler, Peter C Schlanstein, Felix Hesselmann, Martin Büsen, Michael Klaas, Dorothee Roggenkamp, Thomas Schmitz-Rode, Ulrich Steinseifer, Jutta Arens
Flow distribution is key in artificial lungs, as it directly influences gas exchange performance as well as clot forming and blood damaging potential. The current state of computational fluid dynamics (CFD) in artificial lungs can only give insight on a macroscopic level due to model simplification applied to the fiber bundle. Based on our recent work on wound fiber bundles, we applied particle image velocimetry (PIV) to the model of an artificial lung prototype intended for neonatal use to visualize flow distribution in a stacked fiber bundle configuration to (i) evaluate the feasibility of PIV for artificial lungs, (ii) validate CFD in the fiber bundle of artificial lungs, and (iii) give a suggestion how to incorporate microscopic aspects into mainly macroscopic CFD studies...
December 7, 2016: Artificial Organs
https://www.readbyqxmd.com/read/27923950/results-of-a-zika-virus-zikv-immunoglobulin-m-specific-diagnostic-assay-are-highly-correlated-with-detection-of-neutralizing-anti-zikv-antibodies-in-neonates-with-congenital-disease
#4
Marli T Cordeiro, Carlos A A Brito, Lindomar J Pena, Priscila M S Castanha, Laura H V G Gil, Kennya G S Lopes, Rafael Dhalia, Jucille A Meneses, Ana C Ishigami, Luisa M Mello, Liciana X E Alencar, Klarissa M Guarines, Laura C Rodrigues, Ernesto T A Marques
BACKGROUND:  Usually, immunoglobulin M (IgM) serologic analysis is not sufficiently specific to confirm Zika virus (ZIKV) infection. However, since IgM does not cross the placenta, it may be a good marker of infection in neonates. METHODS:  We tested blood from 42 mothers and neonates with microcephaly and collected cerebrospinal fluid (CSF) specimens from 30 neonates. Molecular assays were performed for detection of ZIKV, dengue virus, and chikungunya virus; IgM enzyme-linked immunosorbent assays and plaque-reduction neutralization tests (PRNTs) were performed to detect ZIKV and dengue virus...
December 15, 2016: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/27917346/neonatal-bacterial-meningitis-in-tikur-anbessa-specialized-hospital-ethiopia-a-10-year-retrospective-review
#5
Melese Abate Reta, Tamrat Abebe Zeleke
BACKGROUND: Bacterial meningitis is still a major public health threat in developing countries. It is an overwhelming infection with a high morbidity and mortality rate, especially in neonates. The aim of this study was to determine the prevalence and etiological agents that cause bacterial neonatal meningitis at Tikur Anbessa Specialized Hospital (TASH). METHODS: This is a retrospective analysis of 1189 cerebrospinal fluid (CSF) specimens submitted to the bacteriology laboratory of TASH for culture from 2001 to 2010...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27911391/a-murine-model-of-group-b-streptococcus-vaginal-colonization
#6
Kathryn A Patras, Kelly S Doran
Streptococcus agalactiae (group B Streptococcus, GBS), is a Gram-positive, asymptomatic colonizer of the human gastrointestinal tract and vaginal tract of 10 - 30% of adults. In immune-compromised individuals, including neonates, pregnant women, and the elderly, GBS may switch to an invasive pathogen causing sepsis, arthritis, pneumonia, and meningitis. Because GBS is a leading bacterial pathogen of neonates, current prophylaxis is comprised of late gestation screening for GBS vaginal colonization and subsequent peripartum antibiotic treatment of GBS-positive mothers...
November 16, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27910733/a-comparative-morphologic-and-morphometric-study-about-geniculate-ganglion-development-in-man-and-in-rat
#7
Ana Sánchez-Del-Rey, José Maria Sánchez-Fernández, Arantza Ibargutxi, Agustin Martinez-Ibargüen, Francisco Santaolalla
CONCLUSIONS: Human-rat geniculate ganglion (GG) have multiple origins: (1) An initial proximity (20 μm) to the endocranial foramen of the IAM, suggests neural crest induction; and (2) The influence of epibranchial placodes: the tensor tympani muscle (TTM) and the otic apical coil. OBJECTIVES: This study was undertaken to determine the comparative development of human-rat GG. MATERIALS AND METHODS: A light microscopic study of the GG in human material obtained from spontaneous abortions at 9, 13, 14, 17, 18, and 30 weeks, and one neonate was done...
December 2, 2016: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/27905410/association-between-preterm-brain-injury-and-exposure-to-chorioamnionitis-during-fetal-life
#8
Devasuda Anblagan, Rozalia Pataky, Margaret J Evans, Emma J Telford, Ahmed Serag, Sarah Sparrow, Chinthika Piyasena, Scott I Semple, Alastair Graham Wilkinson, Mark E Bastin, James P Boardman
Preterm infants are susceptible to inflammation-induced white matter injury but the exposures that lead to this are uncertain. Histologic chorioamnionitis (HCA) reflects intrauterine inflammation, can trigger a fetal inflammatory response, and is closely associated with premature birth. In a cohort of 90 preterm infants with detailed placental histology and neonatal brain magnetic resonance imaging (MRI) data at term equivalent age, we used Tract-based Spatial Statistics (TBSS) to perform voxel-wise statistical comparison of fractional anisotropy (FA) data and computational morphometry analysis to compute the volumes of whole brain, tissue compartments and cerebrospinal fluid, to test the hypothesis that HCA is an independent antenatal risk factor for preterm brain injury...
December 1, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27902983/perinatal-asphyxia-and-erythropoietin-and-vegf-serial-serum-and-cerebrospinal-fluid-responses
#9
Deirdre U Sweetman, Chike Onwuneme, William R Watson, John F A Murphy, Eleanor J Molloy
BACKGROUND: Infants with neonatal encephalopathy (NE) of hypoxic-ischaemic origin are at risk of oxidative and ischaemia-reperfusion injury, which may induce abnormal inflammatory responses involving excessive cytokine production and release in serum and cerebrospinal fluid (CSF). Systemic inflammation is found in infants with NE, and we therefore were interested in cytokines associated with hypoxia, including vascular endothelial growth factor (VEGF) and erythropoietin (Epo). OBJECTIVE: To investigate the relationship between Epo, VEGF levels, brain injury and outcome in a group of term infants exposed to perinatal asphyxia (PA) compared to controls...
December 1, 2016: Neonatology
https://www.readbyqxmd.com/read/27895448/neonatal-acute-kidney-injury-following-valsartan-exposure-in-utero-report-of-two-cases
#10
E Tsepkentzi, K Sarafidis, A Sotiriadis, K Chatzistamatiou, V Drossou-Agakidou
BACKGROUND: Maternal sartan intake during pregnancy has been associated with several fetal/neonatal complications related to disturbed renal development. Description of cases: We present two cases of neonatal acute kidney injury (AKI) following valsartan administration during pregnancy and provide evidence for the use of novel AKI biomarkers in these neonates. The first case was a female neonate, delivered at 32+4 weeks of gestation after maternal valsartan intake from 24 to 32 gestational weeks...
January 2016: Hippokratia
https://www.readbyqxmd.com/read/27889725/fluid-supplementation-versus-no-fluid-supplementation-in-late-preterm-and-term-neonates-with-asymptomatic-polycythemia-a-randomized-controlled-trial
#11
Mangalabharathi Sundaram, Sourabh Dutta, Anil Narang
OBJECTIVE: To compare supplemental intravenous fluids with no supplementation in asymptomatic polycythemic late preterm and term neonates. METHODS: 55 infants with venous haematocrit of 65-75 were randomly allocated to receive either 25 mL/kg IV normal saline over 6-8 hours or routine fluids. They were followed up for 48 hours. RESULTS: There was no significant difference between fluid supplementation and control groups regarding need for partial exchange transfusion [6/27 (22...
November 15, 2016: Indian Pediatrics
https://www.readbyqxmd.com/read/27886057/age-related-modulations-of-aqp4-and-caveolin-1-in-the-hippocampus-predispose-the-toxic-effect-of-phoneutria-nigriventer-spider-venom
#12
Edilene S Soares, Leila M Stávale, Monique C P Mendonça, Andressa Coope, Maria Alice da Cruz-Höfling
We have previously demonstrated that Phoneutria nigriventer venom (PNV) causes blood-brain barrier (BBB) breakdown, swelling of astrocytes end-feet and fluid permeation into brain interstitium in rats. Caveolae and water channels respond to BBB alterations by co-participation in shear stress response and edema formation/resolution. Herein, we showed post-natal developmental-related changes of two BBB-associated transporter proteins: the endothelial caveolin-1 (Cav-1), the major scaffolding protein from caveolae frame, and the astroglial aquaporin-4 (AQP4), the main water channel protein expressed in astrocytic peri-vascular end-feet processes, in the hippocampus of rats intraperitoneally-administered PNV...
November 23, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27884950/neutrophil-extracellular-traps-in-the-amniotic-cavity-of-women-with-intra-amniotic-infection-a-new-mechanism-of-host-defense
#13
Nardhy Gomez-Lopez, Roberto Romero, Yi Xu, Derek Miller, Ronald Unkel, Majid Shaman, Suzanne M Jacques, Bogdan Panaitescu, Valeria Garcia-Flores, Sonia S Hassan
OBJECTIVE: Neutrophil extracellular traps (NETs) control microbial infections through their antimicrobial activities attributed to DNA, histones, granules, and cytoplasmic proteins (eg, elastase). Intra-amniotic infection is characterized by the influx of neutrophils into the amniotic cavity; therefore, the aim of this study was to determine whether amniotic fluid neutrophils form NETs in this inflammatory process. METHODS: Amniotic fluid samples from women with intra-amniotic infection (n = 15) were stained for bacteria detection using fluorescent dyes...
November 23, 2016: Reproductive Sciences
https://www.readbyqxmd.com/read/27882737/neonatal-bowel-strangulation-rare-presentation-of-congenital-diaphragmatic-hernia
#14
Salvatore Arena, Gianfranco Scalfari, Nunzio Turiaco, Lucia Marseglia, Patrizia Perrone, Eloisa Gitto, Carmelo Romeo
We report a case of congenital diaphragmatic hernia (CDH) with perinatal bowel strangulation requiring intestinal resection. Ten hours after birth, the newborn started to be lethargic and developed bilious emesis. X-ray documented distended loops of bowel with air fluid levels in the abdomen and a gasless, non-homogeneous opacity of the left hemithorax, a right mediastinal shift and loss of the sharp left hemidiaphram line. On gastrographin enema the left colon was above the adjacent left diaphragm. Emergency surgery was performed at 16 h of age...
November 2016: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/27881034/galanin-in-pregnancy-is-there-an-association-with-birth-weight-and-gestational-diabetes
#15
Eleni Bili, Evdokia Karagianni, Dimitrios G Goulis, Konstantinos Toulis, Grigoris Grimbizis, Basil C Tarlatzis
OBJECTIVE: To review the actions of galanin during pregnancy and to examine the existence of an association between galanin and birthweight as well as with gestational diabetes mellitus (GDM). RESULTS: Galanin concentrations in maternal circulation are similar in pregnant and non-pregnant status and have been correlated with body mass index (BMI). There is evidence of an association between birthweight and galanin concentrations in amniotic fluid during second trimester as well as galanin concentrations in umbilical cord at term...
November 23, 2016: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/27874184/antenatal-ultrasound-features-in-fetuses-with-gastroschisis-and-its-prediction-in-neonatal-outcome
#16
Jessica A Robertson, Roy M Kimble, Kellie Stockton, Renuka Sekar
BACKGROUND: Gastroschisis is the most common major congenital anomaly managed by paediatric surgeons. The significance of certain associated antenatal ultrasound features in determining fetal outcome is under discussion. AIM: The study aims to define if associated antenatal ultrasound features of gastroschisis are useful prognostic markers for fetal outcome. By establishing the significance of features, including extra- and intra-abdominal bowel dilatation, stomach herniation, stomach dilatation, bowel matting, growth restriction, abnormal umbilical artery (UA) Doppler ultrasounds, and abnormal amniotic fluid volume, it is hoped clinicians will have enhanced ability to counsel parents about the likely outcomes for their infant...
November 22, 2016: Australian & New Zealand Journal of Obstetrics & Gynaecology
https://www.readbyqxmd.com/read/27862683/is-the-neonatal-creatine-phosphokinase-level-a-reliable-marker-for-fetal-hypoxia
#17
Mitsue Muraoka, Koichiro Takagi, Yoshihiro Morita, Hiroaki Nagano, Nobuhide Henmi, Hisaya Hasegawa
AIM: The creatine phosphokinase (CPK) level is believed to increase in neonatal peripheral blood after tissue damage, including damage from perinatal hypoxia. However, it is not clear whether it is truly a reliable marker for fetal hypoxia. We investigated the chronological changes in neonatal CPK and the reliability of CPK as a marker for fetal hypoxia. METHODS: Sixty term neonates admitted to the neonatal intensive care unit at Tokyo Women's Medical University Medical Center East from April 2009 to April 2010 were enrolled in this study...
November 12, 2016: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/27858228/prenatal-diagnosis-of-abnormal-umbilical-cord-insertion-a-rare-case-of-furcate-insertion
#18
Yasuyuki Fujita, Yasuo Yumoto, Kiyoko Kato
Furcate insertion (FI) is an extremely rare abnormality of umbilical cord insertion. One of the complications associated with FI is hemorrhage from the umbilical vein at the site of FI of the umbilical cord, which can cause sudden intrauterine fetal death. Because of its rarity, no prenatal diagnosis of FI has been reported. A 31-year-old woman at 34 weeks' gestation was referred to us for suspected abnormal cord insertion. Ultrasonography showed normal fetal growth and amniotic fluid volume, with no fetal anomalies...
November 17, 2016: Journal of Medical Ultrasonics
https://www.readbyqxmd.com/read/27856214/inflammation-induced-preterm-lung-maturation-lessons-from-animal-experimentation
#19
REVIEW
Timothy J M Moss, Alana J Westover
Intrauterine inflammation, or chorioamnionitis, is a major contributor to preterm birth. Prematurity per se is associated with considerable morbidity and mortality resulting from lung immaturity but exposure to chorioamnionitis reduces the risk of neonatal respiratory distress syndrome (RDS) in preterm infants. Animal experiments have identified that an increase in pulmonary surfactant production by the preterm lungs likely underlies this decreased risk of RDS in infants exposed to chorioamnionitis. Further animal experimentation has shown that infectious or inflammatory agents in amniotic fluid exert their effects on lung development by direct effects within the developing respiratory tract, and probably not by systemic pathways...
October 20, 2016: Paediatric Respiratory Reviews
https://www.readbyqxmd.com/read/27843077/renal-replacement-therapies-in-neonates-issues-and-ethics
#20
REVIEW
Lesley Rees
Chronic irreversible kidney disease requiring dialysis is rare in the neonate. Many such neonates are diagnosed following antenatal ultrasound with congenital abnormalities of the kidneys and urinary tract. There is an increased incidence of prematurity and infants that are small for gestational age. Given the natural improvement in renal function that occurs in the neonatal period, some with extremely poor renal function may, with careful management of fluid and electrolytes, be kept off dialysis until the creatinine reaches a nadir when a definitive plan can be made...
November 11, 2016: Seminars in Fetal & Neonatal Medicine
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