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https://www.readbyqxmd.com/read/28213294/a-low-cost-simplified-and-scaleable-pneumotachograph-and-face-mask-for-neonatal-mouse-respiratory-measurements
#1
Jenny J Sun, Roshan Nanu, Russell S Ray
INTRODUCTION: Neonatal respiratory disorders are a leading cause of perinatal mortality due to complications resulting from premature births and prenatal exposure to drugs of abuse, but optimal treatments for these symptoms are still unclear due to a variety of confounds and risk factors. Mouse models present an opportunity to study the underlying mechanisms and efficacy of potential treatments of these conditions with controlled variables. However, measuring respiration in newborn mice is difficult and commercial components are expensive and often require modification, creating a barrier and limiting our understanding of the short and long-term effects of birth complications on respiratory function...
February 14, 2017: Journal of Pharmacological and Toxicological Methods
https://www.readbyqxmd.com/read/28207964/impaired-nephrogenesis-in-neonatal-rats-with-oxygen-induced-retinopathy
#2
Mayu Nakagawa, Naoto Nishizaki, Amane Endo, Tomonosuke Someya, Yuta Saito, Akira Mizutani, Taichi Hara, Yayoi Murano, Koji Sakuraya, Satoshi Hara, Daisuke Umino, Daishi Hirano, Shuichiro Fujinaga, Yoshiyuki Ohtomo, Toshiaki Shimizu
OBJECTIVES: Preterm neonates are born while nephrogenesis is ongoing and are commonly exposed to factors in a hyperoxic environment that can impair renal development. Oxidative stress has also been implicated in the development of retinopathy of prematurity (ROP). The rat model of oxygen-induced retinopathy (OIR) is the most clinically relevant model of ROP because its biologic features closely resemble those of ROP in preterm infants. We investigated impaired renal development in a rat model of OIR...
February 16, 2017: Pediatrics International: Official Journal of the Japan Pediatric Society
https://www.readbyqxmd.com/read/28201809/newborn-mice-lacking-the-gene-for-cyp1a1-are-more-susceptible-to-oxygen-mediated-lung-injury-and-are-rescued-by-postnatal-%C3%AE-napthoflavone-bnf-administration-implications-for-bronchopulmonary-dysplasia-bpd-in-premature-infants
#3
Paramahamsa Maturu, Yanhong Wei-Liang, Weiwu Jiang, Lihua Wang, Krithika Lingappan, Roberto Barrios, Yao Liang, Bhagavatula Moorthy, Xanthi I Couroucli
No abstract text is available yet for this article.
February 13, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28189000/breast-milk-retinol-concentration-in-mothers-of-preterm-newborns
#4
Mayara Santa Rosa Lima, Karla Danielly da Silva Ribeiro, Jeane Franco Pires, Dalila Fernandes Bezerra, Paula Emília Nunes Ribeiro Bellot, Luana Patrícia de Oliveira Weigert, Roberto Dimenstein
BACKGROUND: Preterm newborns have low vitamin A reserves at birth, which increases their risk of morbidity and mortality. In the absence of supplementation, breast milk is the only source of this nutrient for exclusively breastfed infants. AIMS: To assess retinol concentration in preterm milk and the relationship between this retinol concentration and lactation phase, degree of prematurity, and maternal serum retinol level. STUDY DESIGN: Longitudinal study...
February 7, 2017: Early Human Development
https://www.readbyqxmd.com/read/28188917/impaired-visual-short-term-memory-capacity-is-distinctively-associated-with-structural-connectivity-of-the-posterior-thalamic-radiation-and-the-splenium-of-the-corpus-callosum-in-preterm-born-adults
#5
A Menegaux, C Meng, J Neitzel, J G Bäuml, H J Müller, P Bartmann, D Wolke, A M Wohlschläger, K Finke, C Sorg
Preterm birth is associated with an increased risk for lasting changes in both the cortico-thalamic system and attention; however, the link between cortico-thalamic and attention changes is as yet little understood. In preterm newborns, cortico-cortical and cortico-thalamic structural connectivity are distinctively altered, with increased local clustering for cortico-cortical and decreased integrity for cortico-thalamic connectivity. In preterm-born adults, among the various attention functions, visual short-term memory (vSTM) capacity is selectively impaired...
February 7, 2017: NeuroImage
https://www.readbyqxmd.com/read/28188768/frequency-of-toxocara-spp-antibodies-in-umbilical-cords-of-newborns-attended-atthe-university-hospital-in-southern-brazil-and-factors-associated-with-infection
#6
Paula Costa Santos, Paula Lima Telmo, Lis Maurente Lehmann, Carolina Lorenzi, Carolina Hirsch, Gabriela Torres Mattos, Gabriel Baracy Klafke, Maria Elisabeth Aires Berne, Carla Vitola Gonçalves, Carlos James Scaini
Toxocariasis is a neglected and geographically widespread parasitic disease. The detection of specific antibodies associated with this disease is required to confirm its clinical diagnosis and to aid in prevention. Although helminth infection during pregnancy can promote foetal immune responses with long-term effects, specific information regarding the risk of Toxocara spp. infection to the human foetus during pregnancy is lacking.Therefore,the present study aimed to investigate the frequency of antibodies against Toxocara spp...
February 7, 2017: Acta Tropica
https://www.readbyqxmd.com/read/28181672/endometriosis-increases-the-risk-of-obstetrical-and-neonatal-complications
#7
Janne Foss Berlac, Dorthe Hartwell, Charlotte Wessel Skovlund, Jens Langhoff-Roos, Øjvind Lidegaard
INTRODUCTION: The objective was to assess obstetrical complications and neonatal outcomes in women with endometriosis as compared to women without endometriosis. MATERIAL AND METHODS: National cohort including all delivering women and their newborns in Denmark 1997-2014. Data were extracted from the Danish Health Register and the Medical Birth Register. Logistic regression analysis provided odds ratios (OR) with 95% confidence intervals (CI). Sub-analyses were made for primiparous women with a singleton pregnancy and for women with endometriosis who underwent gynecological surgery before pregnancy...
February 9, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28180126/providing-a-placental-transfusion-in-newborns-who-need-resuscitation
#8
REVIEW
Anup C Katheria, Melissa K Brown, Wade Rich, Kathy Arnell
Over the past decade, there have been several studies and reviews on the importance of providing a placental transfusion to the newborn. Allowing a placental transfusion to occur by delaying the clamping of the umbilical cord is an extremely effective method of enhancing arterial oxygen content, increasing cardiac output, and improving oxygen delivery. However, premature and term newborns who require resuscitation have impaired transitional hemodynamics and may warrant different methods to actively provide a placental transfusion while still allowing for resuscitation...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28178310/diversity-and-composition-of-vaginal-microbiota-of-pregnant-women-at-risk-for-transmitting-group-b-streptococcus-treated-with-intrapartum-penicillin
#9
Luiz Fernando Wurdig Roesch, Rita C Silveira, Andréa L Corso, Priscila Thiago Dobbler, Volker Mai, Bruna S Rojas, Álvaro M Laureano, Renato S Procianoy
BACKGROUND: Administering intravenous antibiotics during labor to women at risk for transmitting Group B Streptococcus (GBS) can prevent infections in newborns. However, the impact of intrapartum antibiotic prophylaxis on mothers' microbial community composition is largely unknown. We compared vaginal microbial composition in pregnant women experiencing preterm birth at ≤ 32 weeks gestation that received intrapartum antibiotic prophylaxis with that in controls. METHODS: Microbiota in vaginal swabs collected shortly before delivery from GBS positive women that received penicillin intravenously during labor or after premature rupture of membranes was compared to controls...
2017: PloS One
https://www.readbyqxmd.com/read/28176163/retrospective-analysis-of-55-twin-neonates-with-haemolytic-disease-of-the-newborn
#10
Hu Zhao, Bijuan Li, Ning Li, Yamei Shen, Kailiang Liu, Xiangwu Shu, Cheng Mei, Lanlan Tang
Haemolytic disease is a condition characterized by anaemia and jaundice, and the course may be more complicated in twins. We investigated the demographic and laboratory characteristics of twins with haemolytic disease of the newborn (HDN) and compared these characteristics between groups categorized according to multiple birth status (twins vs. singletons) and conception method (assisted reproductive technology (ART) vs. spontaneous conception). Fifty-five twins with HDN and 253 singletons with HDN who were born during the same period (controls) were included in the study, and we performed comparisons between them...
February 8, 2017: Immunologic Research
https://www.readbyqxmd.com/read/28171806/bedside-rop-screening-and-telemedicine-interpretation-integrated-to-a-neonatal-transport-system-economic-aspects-and-return-on-investment-analysis
#11
Gábor Kovács, Zsolt Somogyvári, Erika Maka, László Nagyjánosi
BACKGROUND AND AIM: Peter Cerny Ambulance Service - Premature Eye Rescue Program (PCA-PERP) uses digital retinal imaging (DRI) with remote interpretation in bedside ROP screening, which has advantages over binocular indirect ophthalmoscopy (BIO) in screening of premature newborns. We aimed to demonstrate that PCA-PERP provides good value for the money and to model the cost ramifications of a similar newly launched system. METHODS: As DRI was demonstrated to have high diagnostic performance, only the costs of bedside DRI-based screening were compared to those of traditional transport and BIO-based screening (cost-minimization analysis)...
February 4, 2017: Early Human Development
https://www.readbyqxmd.com/read/28169465/correlation-between-plasma-levels-of-arginine-and-citrulline-in-preterm-and-full-term-neonates-therapeutical-implications
#12
Mike T Contreras, Maria J Gallardo, Luis R Betancourt, Pedro V Rada, Gerardo A Ceballos, Luis E Hernandez, Luis F Hernandez
BACKGROUND: Preterm neonates exhibit several deficiencies that endanger their lives. Understanding those disturbances will provide tools for the management of preterm neonates. The present work focuses on arginine and citrulline which has been flagged among the biochemical landmarks of prematurity. METHODS: We examined blood samples of preterm newborns as compared with mature neonates to determine the levels of arginine and citrulline by capillary zone electrophoresis with laser induced fluorescence detection (CZE-LIFD)...
February 7, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28166972/comparison-between-allantochorion-membrane-and-amniotic-sac-detection-by-per-rectal-palpation-for-pregnancy-diagnosis-on-pregnancy-loss-calving-rates-and-abnormalities-in-newborn-calves
#13
Juan E Romano, Pablo Pinedo, Kelsey Bryan, Roney S Ramos, Karol G Solano, Daniel Merchan, Juan Velez
The objectives of the present investigation were to evaluate the pregnancy diagnosis by detection of either the allantochorion membrane (FMS) or amniotic sac (ASP) by per rectum palpation (PRP) during late embryonic or early fetal period on pregnancy loss (PRL) at reexamination, calving rates, and abnormalities in newborn calves. A controlled randomized blind design with 800 lactating dairy pregnant cows diagnosed by transrectal ultrasonography (TRUS) between Days 35 and 57 of gestation from one dairy farm were included...
March 1, 2017: Theriogenology
https://www.readbyqxmd.com/read/28166926/-neuroprotection-for-preterm-infants-with-antenatal-magnesium-sulphate
#14
S Marret, P-Y Ancel
OBJECTIVE: To evaluate in preterm born children the neuroprotective benefits and the risks, at short- and long-term outcome, of the antenatal administration of magnesium sulphate (MgSO4) in women at imminent risk of preterm delivery. MATERIAL AND METHODS: Computer databases Medline, the Cochrane Library and the recommendations of various international scientific societies. RESULTS: Given the demonstrated benefit of antenatal MgSO4 intravenous administration on the reduction of cerebral palsy rates and the improvement of motor development in children born preterm, it is recommended for all women whose imminent delivery is expected or programmed before 32 weeks of gestation (WG) (grade A)...
December 2016: Journal de Gynécologie, Obstétrique et Biologie de la Reproduction
https://www.readbyqxmd.com/read/28153932/parental-engagement-and-early-interactions-with-preterm-infants-during-the-stay-in-the-neonatal-intensive-care-unit-protocol-of-a-mixed-method-and-longitudinal-study
#15
Alberto Stefana, Manuela Lavelli
INTRODUCTION: The preterm infants' developmental outcomes depend on biological and environmental risk factors. The environmental factors include prolonged parental separation, less exposure to early mother/father-infant interactions and the parents' ability to respond to the trauma of premature birth. In the case of premature birth, the father's ability to take an active part in the care of the infant from the start is essential. The parents' emotional closeness to the preterm infant hospitalised in the neonatal intensive care unit (NICU) may be crucial to the well-being of the newborn, the development of mutual regulation, the establishment of a functioning parent-infant affective relationship and the parents' confidence in their ability to provide care for their baby...
February 2, 2017: BMJ Open
https://www.readbyqxmd.com/read/28141790/caffeine-administration-modulates-tgf-%C3%AE-signaling-but-does-not-attenuate-blunted-alveolarization-in-a-hyperoxia-based-mouse-model-of-bronchopulmonary-dysplasia
#16
Philipp Rath, Claudio Nardiello, David E Surate Solaligue, Ronald Agius, Ivana Mižíková, Sebastian Hühn, Konstantin Mayer, István Vadász, Susanne Herold, Frank Runkel, Werner Seeger, Rory E Morty
BACKGROUND: Caffeine is widely used to manage apnea of prematurity, and reduces the incidence of bronchopulmonary dysplasia (BPD). Deregulated transforming growth factor (TGF)-β signaling underlies arrested post-natal lung maturation in BPD. It is unclear whether caffeine impacts TGF-β signaling or post-natal lung development in affected lungs. METHODS: The impact of caffeine on TGF-β signaling in primary mouse lung fibroblasts and alveolar epithelial type II cells was assessed in vitro...
January 31, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28132835/recent-zika-virus-isolates-induce-premature-differentiation-of-neural-progenitors-in-human-brain-organoids
#17
Elke Gabriel, Anand Ramani, Ulrike Karow, Marco Gottardo, Karthick Natarajan, Li Ming Gooi, Gladiola Goranci-Buzhala, Oleg Krut, Franziska Peters, Milos Nikolic, Suvi Kuivanen, Essi Korhonen, Teemu Smura, Olli Vapalahti, Argyris Papantonis, Jonas Schmidt-Chanasit, Maria Riparbelli, Giuliano Callaini, Martin Krönke, Olaf Utermöhlen, Jay Gopalakrishnan
The recent Zika virus (ZIKV) epidemic is associated with microcephaly in newborns. Although the connection between ZIKV and neurodevelopmental defects is widely recognized, the underlying mechanisms are poorly understood. Here we show that two recently isolated strains of ZIKV, an American strain from an infected fetal brain (FB-GWUH-2016) and a closely-related Asian strain (H/PF/2013), productively infect human iPSC-derived brain organoids. Both of these strains readily target to and replicate in proliferating ventricular zone (VZ) apical progenitors...
January 23, 2017: Cell Stem Cell
https://www.readbyqxmd.com/read/28127833/blastocoele-re-expansion-time-in-vitrified-warmed-cycles-is-a-strong-predictor-of-clinical-pregnancy-outcome
#18
Ruoyun Lin, Guixue Feng, Jinhui Shu, Bo Zhang, Hong Zhou, Xianyou Gan, Caizhu Wang, Huanhua Chen
AIM: To assess the predictive value of blastocoele re-expansion time in clinical pregnancy outcome in vitrified-warmed cycles. METHODS: Data on 468 single vitrified-thawed blastocyst transfer cycles (in patients aged <38 years) carried out from January 2012 through December 2012, at the Reproductive Medicine Center, Maternal and Child Health Hospital of Guangxi Zhuang Autonomous Region, were analyzed. Vitrified-warmed blastocysts were divided into three groups according to blastocoele re-expansion time: group A, <1 h; group B, 1-2 h; and group C, >2 h, and the clinical pregnancy outcomes (i...
January 26, 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28125095/lactoferrin-concentration-in-breast-milk-of-mothers-of-low-birth-weight-newborns
#19
C G Turin, A Zea-Vera, M S Rueda, E Mercado, C P Carcamo, J Zegarra, S Bellomo, L Cam, A Castaneda, T J Ochoa
OBJECTIVES: Lactoferrin (LF) is a breast milk glycoprotein with protective effects against neonatal infections, mainly in premature and low-birth-weight (LBW) neonates. The aims of this study were to determine LF concentration in breast milk of mothers of LBW infants during the first 2 months postpartum, and to identify the factors associated with LF concentration. STUDY DESIGN: Prospective study conducted as a part of an ongoing clinical trial in three Neonatal Units in Peru...
January 26, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28106024/-a-rare-cause-of-2-1-atrioventricular-block-and-congestive-heart-failure-in-preterm-infants-hypocalcemia
#20
Emine Azak, Hatice Tatar Aksoy, Handan Ünsal, İbrahim İlker Çetin
Atrioventricular (AV) block in the neonatal period is a rare disorder. It is frequently associated with underlying structural congenital heart disease and maternal lupus. Presently described is premature baby who developed 2:1 AV block and congestive heart failure due to hypocalcemia. Dramatic clinical improvement was observed following treatment of intravenous 10% calcium gluconate. Therefore, it is suggested that serum calcium level of newborns with AV block and congestive heart failure be measured.
January 2017: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
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