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https://www.readbyqxmd.com/read/27916304/risk-of-bone-tumors-in-children-and-residential-proximity-to-industrial-and-urban-areas-new-findings-from-a-case-control-study
#1
Javier García-Pérez, Antonio Morales-Piga, Diana Gómez-Barroso, Ibon Tamayo-Uria, Elena Pardo Romaguera, Gonzalo López-Abente, Rebeca Ramis
Few epidemiologic studies have explored risk factors for bone tumors in children, and the role of environmental factors needs to be analyzed. Our objective was to ascertain the association between residential proximity to industrial plants and urban areas and risk of bone tumors in children, taking into account industrial groups and toxic pollutants released. A population-based case-control study of childhood bone cancer in Spain was carried out, covering 114 incident cases obtained from the Spanish Registry of Childhood Tumors (between 1996 and 2011), and 684 controls individually matched by sex, year of birth, and autonomous region of residence...
December 1, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27915227/prenatal-and-postnatal-polybrominated-diphenyl-ether-exposure-and-visual-spatial-abilities-in-children
#2
Ann M Vuong, Joseph M Braun, Kimberly Yolton, Changchun Xie, Glenys M Webster, Andreas Sjödin, Kim N Dietrich, Bruce P Lanphear, Aimin Chen
Polybrominated diphenyl ethers (PBDEs) are associated with impaired visual spatial abilities in toxicological studies, but no epidemiologic study has investigated PBDEs and visual spatial abilities in children. The Health Outcomes and Measures of the Environment Study, a prospective birth cohort (2003-2006, Cincinnati, OH), was used to examine prenatal and childhood PBDEs and visual spatial abilities in 199 children. PBDEs were measured at 16±3 weeks gestation and at 1, 2, 3, 5, and 8 years using gas chromatography/isotope dilution high-resolution mass spectrometry...
December 1, 2016: Environmental Research
https://www.readbyqxmd.com/read/27905971/trends-causes-and-risk-factors-of-mortality-among-children-under-5-in-ethiopia-1990-2013-findings-from-the-global-burden-of-disease-study-2013
#3
Amare Deribew, Gizachew Assefa Tessema, Kebede Deribe, Yohannes Adama Melaku, Yihunie Lakew, Azmeraw T Amare, Semaw F Abera, Mesoud Mohammed, Abiy Hiruye, Efrem Teklay, Awoke Misganaw, Nicholas Kassebaum
BACKGROUND: Ethiopia has made remarkable progress in reducing child mortality over the last two decades. However, the under-5 mortality rate in Ethiopia is still higher than the under-5 mortality rates of several low- and middle-income countries (LMIC). On the other hand, the patterns and causes of child mortality have not been well investigated in Ethiopia. The objective of this study was to investigate the mortality trend, causes of death, and risk factors among children under 5 in Ethiopia during 1990-2013...
November 14, 2016: Population Health Metrics
https://www.readbyqxmd.com/read/27898880/water-temperature-impacts-water-consumption-by-range-cattle-in-winter
#4
M K Petersen, J M Muscha, J T Mulliniks, A J Roberts
Water consumption and DMI have been found to be positively correlated, and both may interact with ingestion of cold water or grazed frozen forage due to transitory reductions in the temperature of ruminal contents. The hypothesis underpinning the study explores the potential that cows provided warm drinking water would have increased in situ NDF and OM disappearances and a more stable rumen temperature, drink more water, and lose less BW during the winter. This hypothesis was tested in 3 experiments. In Exp...
October 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27891065/trends-causes-and-risk-factors-of-mortality-among-children-under-5-in-ethiopia-1990-2013-findings-from-the-global-burden-of-disease-study-2013
#5
Amare Deribew, Gizachew Assefa Tessema, Kebede Deribe, Yohannes Adama Melaku, Yihunie Lakew, Azmeraw T Amare, Semaw F Abera, Mesoud Mohammed, Abiy Hiruye, Efrem Teklay, Awoke Misganaw, Nicholas Kassebaum
BACKGROUND: Ethiopia has made remarkable progress in reducing child mortality over the last two decades. However, the under-5 mortality rate in Ethiopia is still higher than the under-5 mortality rates of several low- and middle-income countries (LMIC). On the other hand, the patterns and causes of child mortality have not been well investigated in Ethiopia. The objective of this study was to investigate the mortality trend, causes of death, and risk factors among children under 5 in Ethiopia during 1990-2013...
2016: Population Health Metrics
https://www.readbyqxmd.com/read/27886068/effects-of-sampling-conditions-and-environmental-factors-on-fecal-volatile-organic-compound-analysis-by-an-electronic-nose-device
#6
Daniel J C Berkhout, Marc A Benninga, Ruby M van Stein, Paul Brinkman, Hendrik J Niemarkt, Nanne K H de Boer, Tim G J de Meij
Prior to implementation of volatile organic compound (VOC) analysis in clinical practice, substantial challenges, including methodological, biological and analytical difficulties are faced. The aim of this study was to evaluate the influence of several sampling conditions and environmental factors on fecal VOC profiles, analyzed by an electronic nose (eNose). Effects of fecal sample mass, water content, duration of storage at room temperature, fecal sample temperature, number of freeze-thaw cycles and effect of sampling method (rectal swabs vs...
November 23, 2016: Sensors
https://www.readbyqxmd.com/read/27882178/modulatory-effects-of-feeding-pregnant-and-lactating-mice-rhodiola-kirilowii-extracts-on-the-immune-system-of-offspring
#7
Sławomir Lewicki, Barbara Joanna Bałan, Ewa Skopińska-Różewska, Robert Zdanowski, Marta Stelmasiak, Łukasz Szymański, Wanda Stankiewicz
Plants of Rhodiola genus are medicinal herbs that have a number of therapeutic properties, including anti-inflammatory and immunomodulatory activity. The present study aimed to determine whether the use Rhodiola kirilowii as an immunostimulant during pregnancy has an adverse effect on the development of the offspring immune system. Following mating, pregnant mice were placed in three groups that were fed during pregnancy and lactation with R. kirilowii aqueous extract (RKW; 20 mg/kg), R. kirilowii 50% hydro-alcoholic extract (RKW-A; 20 mg/kg) or water (control group), receiving water...
November 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/27881286/renal-adaptive-changes-and-sodium-handling-in-the-fetal-to-newborn-transition
#8
REVIEW
Jeffrey L Segar
Appropriate fluid and electrolyte management is critical for optimal care of very low birth weight or sick infants. Delivery of such care requires an understanding of developmental changes in renal water and salt handling that occur with advancing gestational age as well as postnatal age. This review focuses on the principles of sodium homeostasis during fetal and postnatal life. The physiology of renal tubular transport mechanisms, as well as neurohumoral factors impacting renal tubular transport are highlighted...
November 20, 2016: Seminars in Fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/27865505/nitrogen-utilization-preweaning-nutrient-digestibility-and-growth-effects-of-holstein-dairy-calves-fed-2-amounts-of-a-moderately-high-protein-or-conventional-milk-replacer
#9
C E Chapman, T M Hill, D R Elder, P S Erickson
Studies have shown that calves fed milk replacers (MR) with crude protein (CP) concentrations greater than 20%, as typically found in conventional MR, have higher dry matter intakes (DMI) and greater average daily gains (ADG) but consume less starter, which can lead to stress during weaning and reduced rumen development. The greater amount of CP being fed to preweaned calves may alter their nitrogen (N) balance, and excess N may be excreted in the urine. The objective of this study was to determine N utilization in preweaned calves fed diets varying in the amount of CP and MR fed...
November 16, 2016: Journal of Dairy Science
https://www.readbyqxmd.com/read/27861875/the-effect-of-nrf2-are-signaling-pathway-in-the-lanthanum-chloride-induced-impairment-of-learning-and-memory-in-rats
#10
Lijin Zhang, Jinghua Yang, Cuihong Jin, Shengwen Wu, Xiaobo Lu, Xiaoyu Hu, Yaling Sun, Yuan Cai
Lanthanum (La) exerts adverse effects on the central nervous system. However, the mechanism underlying these adverse effects has not been clarified. It is known that oxidative stress plays an important role in neurological injuries induced by harmful factors. Nrf2 is very important in the response to oxidative stress in tissues and cells. The purpose of this study was to explore the effect of lanthanum chloride (LaCl3 ) on the spatial learning and memory of rats and to determine whether the Nrf2/ARE pathway acts in the hippocampus...
November 10, 2016: Journal of Neurochemistry
https://www.readbyqxmd.com/read/27827868/childhood-fish-consumption-and-learning-and-behavioral-disorders
#11
Jenny L Carwile, Lindsey J Butler, Patricia A Janulewicz, Michael R Winter, Ann Aschengrau
Fish is a major source of nutrients critical for brain development during early life. The importance of childhood fish consumption is supported by several studies reporting associations of n-3 polyunsaturated fatty acid (n-3 PUFA) supplementation with better behavior and school performance. However, fish may have a different effect than n-3 PUFA alone due to the neurotoxic effects of methylmercury, a frequent contaminant. We investigated associations of childhood fish consumption with learning and behavioral disorders in birth cohort study of the neurotoxic effects of early life exposure to solvent-contaminated drinking water...
November 2, 2016: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/27825389/maternal-arsenic-exposure-and-gestational-diabetes-and-glucose-intolerance-in-the-new-hampshire-birth-cohort-study
#12
Shohreh F Farzan, Anala Gossai, Yu Chen, Lisa Chasan-Taber, Emily Baker, Margaret Karagas
BACKGROUND: Gestational diabetes mellitus (GDM) is a major pregnancy complication with detrimental effects for both mothers and their children. Accumulating evidence has suggested a potential role for arsenic (As) exposure in the development of GDM, but current studies have not assessed As exposure from water, urine or toenail samples. METHODS: We investigated the association between As exposure and risk of glucose intolerance and GDM among 1151 women enrolled in the New Hampshire Birth Cohort Study...
November 8, 2016: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/27822465/additive-interaction-between-heterogeneous-environmental-quality-domains-air-water-land-sociodemographic-and-built-environment-on-preterm-birth
#13
Shannon C Grabich, Kristen M Rappazzo, Christine L Gray, Jyotsna S Jagai, Yun Jian, Lynne C Messer, Danelle T Lobdell
BACKGROUND: Environmental exposures often occur in tandem; however, epidemiological research often focuses on singular exposures. Statistical interactions among broad, well-characterized environmental domains have not yet been evaluated in association with health. We address this gap by conducting a county-level cross-sectional analysis of interactions between Environmental Quality Index (EQI) domain indices on preterm birth in the Unites States from 2000 to 2005. METHODS: The EQI, a county-level index constructed for the 2000-2005 time period, was constructed from five domain-specific indices (air, water, land, built, and sociodemographic) using principal component analyses...
2016: Frontiers in Public Health
https://www.readbyqxmd.com/read/27816866/atrazine-and-nitrate-in-drinking-water-and-the-risk-of-preterm-delivery-and-low-birth-weight-in-four-midwestern-states
#14
Leslie Thomas Stayner, Kirsten Almberg, Rachael Jones, Judith Graber, Marie Pedersen, Mary Turyk
BACKGROUND: Atrazine and nitrate are common contaminants in water, and there is limited evidence that they are associated with adverse birth outcomes. The objective of this study was to examine whether atrazine and nitrate in water are associated with an increased risk of preterm delivery (PTD) and term low birth weight (LBW). METHODS: The study included a total of 134,258 singletons births born between January 1, 2004 and December 31, 2008 from 46 counties in four Midwestern states with public water systems that were included in the U...
January 2017: Environmental Research
https://www.readbyqxmd.com/read/27812601/pyriproxyfen-and-the-microcephaly-epidemic-in-brazil-an-ecological-approach-to-explore-the-hypothesis-of-their-association
#15
Maria de Fatima P Militão de Albuquerque, Wayner V de Souza, Antônio da Cruz G Mendes, Tereza M Lyra, Ricardo Aa Ximenes, Thália Vb Araújo, Cynthia Braga, Demócrito B Miranda-Filho, Celina Mt Martelli, Laura C Rodrigues
The microcephaly epidemic in Brazil generated intense debate regarding its causality, and one hypothesised cause of this epidemic, now recognised as congenital Zika virus syndrome, was the treatment of drinking water tanks with pyriproxyfen to control Aedes aegypti larvae. We present the results of a geographical analysis of the association between the prevalence of microcephaly confirmed by Fenton growth charts and the type of larvicide used in the municipalities that were home to the mothers of the affected newborns in the metropolitan region of Recife in Pernambuco, the state in Brazil where the epidemic was first detected...
October 31, 2016: Memórias do Instituto Oswaldo Cruz
https://www.readbyqxmd.com/read/27806530/a-retrospective-study-of-maternal-and-neonatal-outcomes-following-conventional-and-water-birth-in-ecuador
#16
Sharon Rosales, Esteban Ortiz-Prado, Diego Alarcón, Dayana Rosales, Ana Lucia Iturralde
OBJECTIVES: Demonstrate maternal and neonatal complications reported in women giving birth in water birth compared to those conventional land births. METHODS: An observational retrospective analysis of the incidence of maternal and neonatal outcomes among 358 women who deliver their newborns throughout conventional vaginal delivery and 308 women giving birth in water during 2013 in Quito, Ecuador. Maternal Age, Educational attainment, Neonatal weight, height, APGAR scores, vaginal tearing and the need to resuscitate a newborn were the variables matched for both groups...
August 4, 2016: Global Journal of Health Science
https://www.readbyqxmd.com/read/27801974/does-arsenic-increase-the-risk-of-neural-tube-defects-among-a-highly-exposed-population-a-new-case-control-study-in-bangladesh
#17
Maitreyi Mazumdar
BACKGROUND: Neural tube defects are debilitating birth defects that occur when the developing neural plate fails to close in early gestation. Arsenic induces neural tube defects in animal models, but whether environmental arsenic exposure increases risk of neural tube defects in humans is unknown. METHODS: We describe a new case-control study in Bangladesh, a country currently experiencing an epidemic of arsenic poisoning through contaminated drinking water. We plan to understand how arsenic influences risk of neural tube defects in humans through mechanisms that include disruption of maternal glucose and folate metabolism, as well as epigenetic effects...
November 1, 2016: Birth Defects Research. Part A, Clinical and Molecular Teratology
https://www.readbyqxmd.com/read/27784476/-effects-of-prenatal-maternal-seizure-on-hippocampal-damage-and-cognitive-deficits-in-offspring-rats
#18
Y Lu, W P Wang, X X Wang, J J Feng, Z P Guo, L M Liu, T Xie, R R Zhao, Y L Cai
Objective: To observe hippocampal damage and cognitive impairment of offspring exposed to prenatal maternal seizure induced by amygdala kindling, and to explore the underlying mechanism by the detection of pathological changes of placenta. Method: Adult female SD rats were randomly divided into three groups: control group(8 rats), kindling group(12 rats) and sham group(8 rats). All the rats were allowed to mate after one week's fully kindling. The pregnant rats in kindling group received electric stimulation every 48 h...
October 2, 2016: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/27776074/committee-opinion-no-679-immersion-in-water-during-labor-and-delivery
#19
(no author information available yet)
Immersion in water during labor or delivery has been popularized over the past several decades. The prevalence of this practice in the United States is uncertain because it has not been studied in births outside of the home and birth centers, and the data are not recorded on birth certificates. Among randomized controlled trials included in a 2009 Cochrane systematic review that addressed immersion in the first stage of labor, results were inconsistent with regard to maternal benefits. Neither the Cochrane systematic review nor any individual trials included in that review reported any benefit to the newborn from maternal immersion during labor or delivery...
November 2016: Obstetrics and Gynecology
https://www.readbyqxmd.com/read/27776069/committee-opinion-no-679-summary-immersion-in-water-during-labor-and-delivery
#20
(no author information available yet)
Immersion in water during labor or delivery has been popularized over the past several decades. The prevalence of this practice in the United States is uncertain because it has not been studied in births outside of the home and birth centers, and the data are not recorded on birth certificates. Among randomized controlled trials included in a 2009 Cochrane systematic review that addressed immersion in the first stage of labor, results were inconsistent with regard to maternal benefits. Neither the Cochrane systematic review nor any individual trials included in that review reported any benefit to the newborn from maternal immersion during labor or delivery...
November 2016: Obstetrics and Gynecology
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