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Neonatal over exposure

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https://www.readbyqxmd.com/read/28202123/-expression-of-long-non-coding-rna-nanci-in-lung-tissues-of-neonatal-mice-with-hyperoxia-induced-lung-injury-and-its-regulatory-effect-on-nkx2-1
#1
Yuan Zhang, Huai-Ping Cheng, Tian-Ping Bao, Xiu-Gui Wang, Zhao-Fang Tian
OBJECTIVE: To investigate the expression of long non-coding RNA NANCI in lung tissues of neonatal mice with hyperoxia-induced lung injury and its regulatory effect on NKX2.1. METHODS: A total of 48 neonatal C57BL/6J mice were randomly divided into an air group and a hyperoxia group, with 24 mice in each group. Each group was further divided into 7-day, 14-day, and 21-day subgroups, with 8 mice in each subgroup. The mice in the air group were fed in the indoor environment (FiO(2)=21%) and those in the hyperoxia group were fed in a high-oxygen box (oxygen concentration: >95%)...
February 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28168591/neonatal-abstinence-syndrome-trend-and-expenditure-in-louisiana-medicaid-2003-2013
#2
Ekwutosi M Okoroh, Rebekah E Gee, Baogong Jiang, Melissa B McNeil, Beverly A Hardy-Decuir, Amy L Zapata
Objectives Determine trends in incidence and expenditure for perinatal drug exposure and neonatal abstinence syndrome (NAS) among Louisiana's Medicaid population. We also describe the maternal characteristics of NAS affected infants. Methods Retrospective cohort analysis using linked Medicaid and vital records data from 2003 to 2013. Conducted incidence and cost trends for drug exposed infants with and without NAS. Also performed comparison statistics among drug exposed infants with and without NAS and those not drug exposed...
February 6, 2017: Maternal and Child Health Journal
https://www.readbyqxmd.com/read/28164027/developmental-delay-and-behavioral-disorders-in-59-hiv-exposed-uninfected-infants
#3
Véronique Reliquet, Cécile Brunet-Cartier, Elise Launay, François Raffi
BACKGROUND: Antiretroviral therapy (ART) in HIV pregnant women has led to a dramatic decrease in the rate of HIV mother-to-child transmission but this benefit is counterbalanced with adverse effects related to in utero and neonatal exposure to ART. In 2013, some parents described neurodevelopmental disorders in their children. METHODS: A standardized letter was sent to the 133 women who delivered in Nantes hospital from 01/01/2003 to 31/12/2012 (167 births). RESULTS: Response rate was 33%...
January 2017: Translational pediatrics
https://www.readbyqxmd.com/read/28161461/infectious-disease-exposures-and-outbreaks-at-a-south-african-neonatal-unit-with-review-of-neonatal-outbreak-epidemiology-in-africa
#4
A Dramowski, M Aucamp, A Bekker, S Mehtar
BACKGROUND: Hospitalized neonates are vulnerable to infection, with pathogen exposures occurring in utero, intrapartum, and postnatally. African neonatal units are at high risk of outbreaks owing to overcrowding, understaffing, and shared equipment. METHODS: Neonatal outbreaks attended by the paediatric infectious diseases and infection prevention (IP) teams at Tygerberg Children's Hospital, Cape Town (May 1, 2008 to April 30, 2016) are described, and the pathogens, outbreak size, mortality, source, and outbreak control measures are reported...
February 1, 2017: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/28157249/effect-of-antidepressants-use-in-pregnancy-on-foetus-development-and-adverse-effects-in-newborns
#5
Ewa Bałkowiec-Iskra, Dagmara Maria Mirowska-Guzel, Mirosław Wielgoś
Over the last few years, several reports on the safety of antidepressants use in pregnancy have been published. Studies concerning the adverse effects of exposure to selective serotonin reuptake inhibitors (SSRI) during pregnancy on the developing foetus have indicated an increased risk of various congenital malformations and untoward effects such as poor neonatal adaptation syndrome or persistent pulmonary hypertension, but there still remain inconsistencies between various study results. This paper aims at reviewing the literature on the risks of exposure to antidepressants during pregnancy...
2017: Ginekologia Polska
https://www.readbyqxmd.com/read/28155287/primary-health-workers-knowledge-and-practices-relating-to-neonatal-jaundice-in-ibadan-nigeria
#6
Adebola E Orimadegun, Adeola O Ojebiyi
BACKGROUND: Over half of births and newborn care occur in primary healthcare facilities in Nigeria, but information on activities of personnel working there is scarce. AIM: To assess the knowledge and practices relating to neonatal jaundice (NNJ) among community health workers (CHWs) and community birth attendants (CBAs) in Nigeria. SETTING: We conducted a cross-sectional survey of all 227 CHWs and 193 registered CBAs in Ibadan, Nigeria...
January 30, 2017: African Journal of Primary Health Care & Family Medicine
https://www.readbyqxmd.com/read/28149833/assessment-of-the-link-between-in-utero-exposure-to-2-aminoanthracene-2aa-and-type-1-diabetes-t1d
#7
Christopher A Mays, Daniel A Hunter, Wilson Yau, Worlanyo E Gato
BACKGROUND: A recent diabetes report revealed an increased incidence in diabetes including type 1-diabetes (T1D). The increase in the numbers of T1D incidences are thought to be related to environmental reasons such as the exposure to environmental chemicals including arylamine 2-aminoanthracene (2AA). T1D is an autoimmune disease of the pancreatic islet in which insulin-producing beta cells are destroyed by auto-reactive T-cells and monocytic cells. METHODS: The purpose of this study is to examine the extent to which 2AA exposure contributes to T1D...
2017: Journal of Diabetes and Metabolic Disorders
https://www.readbyqxmd.com/read/28145595/the-effects-of-epoxiconazole-and-%C3%AE-cypermethrin-on-daphnia-magna-growth-reproduction-and-offspring-size
#8
Michele Gottardi, Michala Rosa Birch, Kristoffer Dalhoff, Nina Cedergreen
Two of the main classes of pesticides commonly used in agriculture are azole fungicides and pyrethroid insecticides. Because azoles have been shown to synergize the effect of pyrethroids, the effect of their mixture is of concern. The aim of the present study was to investigate the effect of sublethal concentrations of epoxiconazole and α-cypermethrin and their mixture on growth, reproduction and in vivo cytochrome P450 activity of the aquatic crustacean Daphnia magna over 42 d. Continuous exposure to non-lethal concentrations of α-cypermethrin at 20 ng/L negatively affected adult growth and number and size of neonates within the first 14 d of exposure...
February 1, 2017: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/28140571/the-sub-lethal-and-reproductive-effects-of-acute-and-chronic-exposure-to-flowback-and-produced-water-from-hydraulic-fracturing-on-the-water-flea-daphnia-magna
#9
Tamzin A Blewett, Perrine L M Delompre, Yuhe He, Erik J Folkerts, Shannon L Flynn, Daniel S Alessi, Greg G Goss
Hydraulic fracturing is an industrial process allowing for the extraction of gas or oil. To fracture the rocks, a proprietary mix of chemicals is injected under high pressure, which later returns to the surface as flowback and produced water (FPW). FPW is a complex chemical mixture consisting of trace metals, organic compounds, and often, high levels of salts. FPW toxicity to the model freshwater crustacean, Daphnia magna, was characterized utilizing acute (48 h median lethal concentrations; LC50) and chronic (21 d) exposures...
January 31, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28114187/nevirapine-pharmacokinetics-and-safety-in-neonates-receiving-combination-antiretroviral-therapy-for-prevention-of-vertical-hiv-transmission
#10
Elaine Lau, Jason Brophy, Lindy Samson, Fatima Kakkar, Douglas Campbell, Mark H Yudin, Kellie Murphy, Winnie Seto, David Colantonio, Stanley E Read, Ari Bitnun
BACKGROUND: Nevirapine (NVP)-based combination antiretroviral therapy (cART) is routinely prescribed to infants deemed at high risk of vertical HIV infection in our centers. We evaluated NVP pharmacokinetics and safety of this regimen. METHODS: Neonates were recruited prospectively between September 2012 and April 2015 or enrolled retrospectively if treated similarly prior to prospective study initiation. NVP was dosed at 150 mg/m daily for 14 days, then twice daily for 14 days...
January 20, 2017: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/28110176/the-management-of-hiv-in-pregnancy-a-10-year-experience
#11
Sonia F Raffe, Charlotte Savage, Louisa A Perry, Amie Patel, Tricia Keith, Richard Howell, Robert Bradley, Rob Bomont, Katy Fidler, Yvonne Gilleece
OBJECTIVE: The package of care to reduce HIV mother to child transmission (MTCT) has evolved significantly since trials of ante and intrapartum antiretroviral therapy (ART) in 1994. In the UK MTCT rate has fallen from 25.6% in the 1990s to 0.46%. We review the management of HIV in pregnancy in Brighton in the context of evolving guidelines. STUDY DESIGN: HIV, obstetric and neonatal notes of all HIV positive women, pregnant between 2003 and 2014, were reviewed. RESULTS: 97 pregnancies in 75 women were identified, resulting in 79 live births...
January 3, 2017: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/28097073/handling-stress-may-confound-murine-gut-microbiota-studies
#12
Cary R Allen-Blevins, Xiaomeng You, Katie Hinde, David A Sela
BACKGROUND: Accumulating evidence indicates interactions between human milk composition, particularly sugars (human milk oligosaccharides or HMO), the gut microbiota of human infants, and behavioral effects. Some HMO secreted in human milk are unable to be endogenously digested by the human infant but are able to be metabolized by certain species of gut microbiota, including Bifidobacterium longum subsp. infantis (B. infantis), a species sensitive to host stress (Bailey & Coe, 2004). Exposure to gut bacteria like B...
2017: PeerJ
https://www.readbyqxmd.com/read/28078167/a-novel-strategy-for-attenuating-opioid-withdrawal-in-neonates
#13
Giovanni C Santoro, Samarth Shukla, Krishna Patel, Jakub Kaczmarzyk, Stergiani Agorastos, Sandra Scherrer, Yoon Young Choi, Christina Veith, Joseph Carrion, Rebecca Silverman, Danielle Mullin, Mohamed Ahmed, Wynne K Schiffer, Jonathan D Brodie, Stephen L Dewey
The rate of Neonatal Abstinence Syndrome (NAS) has drastically increased over the past decade. The average hospital expense per NAS patient has tripled, while the number of babies born to opioid-dependent mothers has increased to 5 in 1000 births. Current treatment options are limited to opioid replacement and tapering. Consequently, we examined the efficacy of prenatal, low-dose and short-term vigabatrin (γ-vinyl GABA, GVG) exposure for attenuating these symptoms as well as the metabolic changes observed in the brains of these animals upon reaching adolescence...
August 2016: Journal of Addiction Research & Therapy
https://www.readbyqxmd.com/read/28056712/neonatal-head-and-torso-vibration-exposure-during-inter-hospital-transfer
#14
Laurence Blaxter, Mildrid Yeo, Donal McNally, John Crowe, Caroline Henry, Sarah Hill, Neil Mansfield, Andrew Leslie, Don Sharkey
Inter-hospital transport of premature infants is increasingly common, given the centralisation of neonatal intensive care. However, it is known to be associated with anomalously increased morbidity, most notably brain injury, and with increased mortality from multifactorial causes. Surprisingly, there have been relatively few previous studies investigating the levels of mechanical shock and vibration hazard present during this vehicular transport pathway. Using a custom inertial datalogger, and analysis software, we quantify vibration and linear head acceleration...
December 1, 2016: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/27966640/trans-generational-desensitization-and-within-generational-resensitization-of-a-sucrose-best-neuron-in-the-polyphagous-herbivore-helicoverpa-armigera-lepidoptera-noctuidae
#15
Ying Ma, Jingjing Li, Qingbo Tang, Xuening Zhang, Xincheng Zhao, Fengming Yan, Joop J A van Loon
Dietary exposure of insects to a feeding deterrent substance for hours to days can induce habituation and concomitant desensitization of the response of peripheral gustatory neurons to such a substance. In the present study, larvae of the herbivore Helicoverpa armigera were fed on diets containing either a high, medium or low concentration of sucrose, a major feeding stimulant. The responsiveness of the sucrose-best neuron in the lateral sensilla styloconica on the galea was quantified. Results showed the response of the sucrose-best neuron exposed to high-sucrose diets decreased gradually over successive generations, resulting in complete desensitization in the 5(th) and subsequent generations...
December 14, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27914263/positive-effects-of-low-intensity-recorded-maternal-voice-on-physiologic-reactions-in-premature-infants
#16
Negar Sajjadian, Mahboobeh Mohammadzadeh, Peymaneh Alizadeh Taheri, Mamak Shariat
OBJECTIVE: To evaluate the effect of low intensity recorded maternal voice on the physiologic reactions of healthy premature infants in the neonatal intensive care unit (NICU). METHODS: Physiologic responses of 20 healthy preterm infants in the NICU of Shariati Hospital, Tehran, were obtained during a 15min intervention including three 5min periods (no-sound control, audio recorded playback of mother's voice, no-sound post-voice). The intervention was presented three times a day for three consecutive days...
November 30, 2016: Infant Behavior & Development
https://www.readbyqxmd.com/read/27902983/perinatal-asphyxia-and-erythropoietin-and-vegf-serial-serum-and-cerebrospinal-fluid-responses
#17
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/27902503/bedside-placement-of-the-postpyloric-tube-in-infants
#18
Patricia Clifford, Elizabeth Ely, Lauren Heimall
BACKGROUND: Patients in the neonatal intensive care unit are a vulnerable population with specific nutritional requirements, which include increased protein and caloric needs for adequate growth. Some infants cannot tolerate gastric feeds and need to have postpyloric feeds to grow. Placement of a postpyloric tube can be done by gastric insufflation. Gastric insufflation is a technique where air is inserted into the stomach as a nasogastric tube is advanced through the pylorus to the duodenum...
February 2017: Advances in Neonatal Care: Official Journal of the National Association of Neonatal Nurses
https://www.readbyqxmd.com/read/27832763/a-comparison-of-intestinal-microbiota-in-a-population-of-low-risk-infants-exposed-and-not-exposed-to-intrapartum-antibiotics-the-baby-microbiota-of-the-intestine-cohort-study-protocol
#19
Julia Simioni, Eileen K Hutton, Elizabeth Gunn, Alison C Holloway, Jennifer C Stearns, Helen McDonald, Andrea Mousseau, Jonathan D Schertzer, Elyanne M Ratcliffe, Lehana Thabane, Michael G Surette, Katherine M Morrison
BACKGROUND: The intestinal microbiota influences metabolic, nutritional, and immunologic processes and has been associated with a broad range of adverse health outcomes including asthma, obesity and Type 2 diabetes. Early life exposures may alter the course of gut microbial colonization leading to differences in metabolic and immune regulation throughout life. Although approximately 50 % of low-risk full-term infants born in Canada are exposed to intrapartum antibiotics, little is known about the influence of this common prophylactic treatment on the developing neonatal intestinal microbiota...
November 10, 2016: BMC Pediatrics
https://www.readbyqxmd.com/read/27831551/changing-antiepileptic-drug-use-for-seizures-in-us-neonatal-intensive-care-units-from-2005-to-2014
#20
K A Ahmad, S J Desai, M M Bennett, S F Ahmad, Y-T Ng, R H Clark, V N Tolia
OBJECTIVE: Neonatal seizures are a common problem in the neonatal intensive care unit and are frequently treated with antiepileptic drugs. Limited data exist on current or changing antiepileptic drug use for seizures in the neonatal intensive care unit.We sought to describe trends of antiepileptic drug exposure in a large volume of US neonatal intensive care unit from 2005 to 2014 and we hypothesized increasing levetiracetam exposure over the 10-year study period. STUDY DESIGN: Retrospective cohort study of infants from the Pediatrix Medical Group Clinical Data Warehouse, a large, multicenter, deidentified data set...
November 10, 2016: Journal of Perinatology: Official Journal of the California Perinatal Association
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