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https://www.readbyqxmd.com/read/28545256/a-review-of-the-effects-of-chronic-arsenic-exposure-on-adverse-pregnancy-outcomes
#1
REVIEW
Abul H Milton, Sumaira Hussain, Shahnaz Akter, Mijanur Rahman, Tafzila A Mouly, Kane Mitchell
Exposure to arsenic has a number of known detrimental health effects but impact on pregnancy outcomes is not as widely recognized. This narrative review examines existing epidemiological evidence investigating the association between arsenic exposure via drinking water and adverse pregnancy outcomes. We reviewed published epidemiological studies from around the world on impact of chronic arsenic exposure on spontaneous abortion, stillbirth, neonatal death, post neonatal death, low birth weight and preterm baby...
May 23, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28538801/effects-of-hyperbaric-oxygen-and-nerve-growth-factor-on-the-long-term-neural-behavior-of-neonatal-rats-with-hypoxic-ischemic-brain-damage
#2
Lixia Wei, Qing Ren, Yongjun Zhang, Jiwen Wang
Purpose: To evaluate the effects of HBO (Hyperbaric oxygen) and NGF (Nerve growth factor) on the long-term neural behavior of neonatal rats with HIBD (Neonatal hypoxic ischemic brain damage). Methods: The HIBD model was produced by ligating the right common carotid artery of 7 days old SD (Sprague-Dawley) rats followed by 8% O2 + 92% N2 for 2h. Totally 40 rats were randomly divided into 5 groups including sham-operated group, HIBD control group, HBO treated group, NGF treated group and NGF + HBO treated group...
April 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28531123/evaluation-of-drinking-water-disinfectant-byproducts-compliance-data-as-an-indirect-measure-for-short-term-exposure-in-humans
#3
Shahid Parvez, Kali Frost, Madhura Sundararajan
In the absence of shorter term disinfectant byproducts (DBPs) data on regulated Trihalomethanes (THMs) and Haloacetic acids (HAAs), epidemiologists and risk assessors have used long-term annual compliance (LRAA) or quarterly (QA) data to evaluate the association between DBP exposure and adverse birth outcomes, which resulted in inconclusive findings. Therefore, we evaluated the reliability of using long-term LRAA and QA data as an indirect measure for short-term exposure. Short-term residential tap water samples were collected in peak DBP months (May-August) in a community water system with five separate treatment stations and were sourced from surface or groundwater...
May 20, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28529087/a-critical-analysis-of-australian-policies-and-guidelines-for-water-immersion-during-labour-and-birth
#4
Megan Cooper, Helen McCutcheon, Jane Warland
BACKGROUND: Accessibility of water immersion for labour and/or birth is often dependent on the care provider and also the policies/guidelines that underpin practice. With little high quality research about the safety and practicality of water immersion, particularly for birth, policies/guidelines informing the practice may lack the evidence necessary to ensure practitioner confidence surrounding the option thereby limiting accessibility and women's autonomy. AIM: The aims of the study were to determine how water immersion policies and/or guidelines are informed, who interprets the evidence to inform policies/guidelines and to what extent the policy/guideline facilitates the option for labour and birth...
May 18, 2017: Women and Birth: Journal of the Australian College of Midwives
https://www.readbyqxmd.com/read/28525774/development-and-validation-of-a-physical-model-to-investigate-the-biomechanics-of-infant-head-impact
#5
M Jones, D Darwall, G Khalid, R Prabhu, A Kemp, O Arthurs, P Theobald
Head injury in childhood is the single most common cause of death or permanent disability from injury. However, despite its frequency and significance, there is little understanding of the response of a child's head to injurious loading. This is a significant limitation when making early diagnoses, informing clinical and/or forensic management or injury prevention strategies. With respect to impact vulnerability, current understanding is predominantly based on a few post-mortem-human-surrogate (PMHS) experiments...
April 13, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28521257/arsenic-in-drinking-water-and-adverse-birth-outcomes-in-ohio
#6
Kirsten S Almberg, Mary E Turyk, Rachael M Jones, Kristin Rankin, Sally Freels, Judith M Graber, Leslie T Stayner
BACKGROUND: Arsenic in drinking water has been associated with adverse reproductive outcomes in areas with high levels of naturally occurring arsenic. Less is known about the reproductive effects of arsenic at lower levels. OBJECTIVES: This research examined the association between low-level arsenic in drinking water and small for gestational age (SGA), term low birth weight (term LBW), very low birth weight (VLBW), preterm birth (PTB), and very preterm birth (VPTB) in the state of Ohio...
May 15, 2017: Environmental Research
https://www.readbyqxmd.com/read/28520519/oil-based-or-water-based-contrast-for-hysterosalpingography-in-infertile-women
#7
Kim Dreyer, Joukje van Rijswijk, Velja Mijatovic, Mariëtte Goddijn, Harold R Verhoeve, Ilse A J van Rooij, Annemieke Hoek, Petra Bourdrez, Annemiek W Nap, Henrike G M Rijnsaardt-Lukassen, Catharina C M Timmerman, Mesrure Kaplan, Angelo B Hooker, Anna P Gijsen, Ron van Golde, Cathelijne F van Heteren, Alexander V Sluijmer, Jan-Peter de Bruin, Jesper M J Smeenk, Jacoba A M de Boer, Eduard Scheenjes, Annette E J Duijn, Alexander Mozes, Marie J Pelinck, Maaike A F Traas, Machiel H A van Hooff, Gijsbertus A van Unnik, Cornelia H de Koning, Nan van Geloven, Jos W R Twisk, Peter G A Hompes, Ben W J Mol
Background Pregnancy rates among infertile women have been reported to increase after hysterosalpingography, but it is unclear whether the type of contrast medium used (oil-based or water-soluble contrast) influences this potential therapeutic effect. Methods We performed a multicenter, randomized trial in 27 hospitals in the Netherlands in which infertile women who were undergoing hysterosalpingography were randomly assigned to undergo this procedure with the use of oil-based or water-based contrast. Subsequently, couples received expectant management or the women underwent intrauterine insemination...
May 25, 2017: New England Journal of Medicine
https://www.readbyqxmd.com/read/28517028/aic-identifies-optimal-representation-of-longitudinal-dietary-variables
#8
John VanBuren, Joseph Cavanaugh, Teresa Marshall, John Warren, Steven M Levy
OBJECTIVES: The Akaike Information Criterion (AIC) is a well-known tool for variable selection in multivariable modeling as well as a tool to help identify the optimal representation of explanatory variables. However, it has been discussed infrequently in the dental literature. The purpose of this paper is to demonstrate the use of AIC in determining the optimal representation of dietary variables in a longitudinal dental study. METHODS: The Iowa Fluoride Study enrolled children at birth and dental examinations were conducted at ages 5, 9, 13, and 17...
May 18, 2017: Journal of Public Health Dentistry
https://www.readbyqxmd.com/read/28511993/the-expression-of-opioid-genes-in-non-classical-reward-areas-depends-on-early-life-conditions-and-ethanol-intake
#9
Linnea Granholm, Aniruddah Todkar, Sofia Bergman, Kent Nilsson, Erika Comasco, Ingrid Nylander
The young brain is highly sensitive to environmental influences that can cause long-term changes in neuronal function, possibly through altered gene expression. The endogenous opioid system continues to mature after birth and because of its involvement in reward, an inadequate maturation of this system could lead to enhanced susceptibility for alcohol use disorder. Recent studies show that the classical reward areas nucleus accumbens and ventral tegmental area are less affected by early life stress whereas endogenous opioids in non-classical areas, e...
May 13, 2017: Brain Research
https://www.readbyqxmd.com/read/28510692/disseminated-neonatal-herpes-simplex-virus-type-1-after-a-water-birth
#10
Niazy Al-Assaf, Heather Moore, Kirk Leifso, Nadya Ben Fadel, Emanuela Ferretti
Neonatal herpes simplex virus (NHSV) infections are associated with significant morbidity and mortality. Numerous factors influence the transmission of HSV infection to newborns; however, immersion in water during labor has received very little attention as a possible risk factor despite the increasing popularity of water births. We report a case of disseminated NHSV type 1 infection, possibly acquired during a water birth. The purpose of this report is to alert healthcare providers to this potential route of transmission and to highlight the importance of screening guidelines for HSV before a water birth...
May 16, 2017: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/28499135/pain-threshold-tolerance-and-intensity-in-adolescents-born-very-preterm-or-with-low-birth-weight
#11
Christ-Jan J L M van Ganzewinkel, Jasper V Been, Inge Verbeek, Tera Boelen van der Loo, Sylvia M van der Pal, Boris W Kramer, Peter Andriessen
BACKGROUND: Data on long-term consequences of neonatal pain is limited. AIM: To assess whether perinatal factors, later pain experience and pain coping strategies are associated with altered pain threshold, pain tolerance and pain intensity in adolescents born preterm. STUDY DESIGN: Observational, longitudinal study (Project on Preterm and SGA-infants, POPS-19). SUBJECTS: We analyzed data of 412 adolescents at the age of 19years, who were born at a gestational age<32weeks or with a birth weight<1500g...
May 9, 2017: Early Human Development
https://www.readbyqxmd.com/read/28490962/effects-of-perinatal-exposure-to-zamzam-water-on-the-teratological-studies-of-the-mice-offspring
#12
Gasem Mohammad Abu-Taweel
Zamzam water is well documented for plenty of medicinal value for curing illness. In the present study, the effects of perinatal consumption of Zamzam and normal drinking water by the pregnant mice on their offspring's physical parameters, early sensory motor reflexes, locomotor activities, acetylcholinesterase (AChE) activity in the homogenize brain tissue and blood parameters were compared. To achieve that; Zamzam water was given to female Swiss-Webster strain mice as the only source of drinking fluid and the control animals were administered plain tap water...
May 2017: Saudi Journal of Biological Sciences
https://www.readbyqxmd.com/read/28483659/the-long-non-coding-rna-neat1-is-an-important-mediator-of-the-therapeutic-effect-of-bexarotene-on-traumatic-brain-injury-in-mice
#13
Jianjun Zhong, Li Jiang, Zhijian Huang, Hongrong Zhang, Chongjie Cheng, Han Liu, Junchi He, Jingchuan Wu, Rami Darwazeh, Yue Wu, Xiaochuan Sun
OBJECTIVE: Bexarotene treatments exert neuroprotective effects on mice following traumatic brain injury (TBI). The present study aims to investigate the potential roles of the long noncoding RNA Neat1 in the neuroprotective effects of bexarotene. MATERIALS AND METHODS: Adult male C57BL/6J mice (n=80) and newborn mice (within 24 h after birth) (n=20) were used to generate a "controlled cortical impact" (CCI) model and harvest primary cortex neurons, respectively...
May 5, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28482991/efficacy-of-warm-showers-on-postpartum-fatigue-among-vaginal-birth-taiwanese-women-a-quasi-experimental-design
#14
Ching-Hsing Hsieh, Chien-Lan Chen, Feng-Fang Chung, Su-Ying Lin
BACKGROUND AND PURPOSE: Postpartum fatigue is one of the most common complaints among women following childbirth. As a postpartum ritual practice, Taiwanese women refrain from taking showers while "doing the month." However, warm showers are the systemic application of moist heat, and they maintain physical hygiene, stimulate blood circulation, mitigate discomfort, and provide relaxation. As Taiwanese society becomes increasingly receptive to scientific and contemporary health care practice, more and more women choose to take warm showers after childbirth...
May 1, 2017: Research and Theory for Nursing Practice
https://www.readbyqxmd.com/read/28471487/folic-acid-is-necessary-for-proliferation-and-differentiation-of-c2c12-myoblasts
#15
Seong Yeon Hwang, Yong Jung Kang, Bokyung Sung, Jung Yoon Jang, Na Lam Hwang, Hye Jin Oh, Yu Ra Ahn, Hong Jae Kim, Jinhong Shin, Mi-Ae Yoo, Cheol Min Kim, Hae Young Chung, Nam Deuk Kim
Folic acid, a water soluble B vitamin, plays an important role in cellular metabolic activities, such as functioning as a cofactor in one-carbon metabolism for DNA and RNA synthesis as well as nucleotide and amino acid biosynthesis in the body. A lack of dietary folic acid can lead to folic acid deficiency and result in several health problems, including macrocytic anemia, elevated plasma homocysteine, cardiovascular disease, birth defects, carcinogenesis, muscle weakness, and walking difficulty. However, the effect of folic acid deficiency on skeletal muscle development and its molecular mechanisms are unknown...
May 4, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28455705/hofbauer-cells-placental-macrophages-of-fetal-origin
#16
Leticia Reyes, Bryce Wolfe, Thaddeus Golos
Pregnancy complications such as preterm birth, miscarriage, maternal and/or neonatal morbidities, and mortality can be manifestations of underlying placental pathology. Hofbauer cells refer to a heterogeneous population of fetal macrophages that reside within the functional unit of the placenta known as the chorionic villus. Hofbauer cells can be detected within the connective tissue matrix of the placenta as early as 4 weeks post-conception and are present throughout pregnancy. These cells are implicated in a wide array of functions important for a successful pregnancy including placental morphogenesis, immune regulation, control of stromal water content, and the transfer of ions and serum proteins across the maternal-fetal barrier...
2017: Results and Problems in Cell Differentiation
https://www.readbyqxmd.com/read/28453563/reproductive-success-is-energetically-linked-to-foraging-efficiency-in-antarctic-fur-seals
#17
Tiphaine Jeanniard-du-Dot, Andrew W Trites, John P Y Arnould, Christophe Guinet
The efficiency with which individuals extract energy from their environment defines their survival and reproductive success, and thus their selective contribution to the population. Individuals that forage more efficiently (i.e., when energy gained exceeds energy expended) are likely to be more successful at raising viable offspring than individuals that forage less efficiently. Our goal was to test this prediction in large long-lived mammals under free-ranging conditions. To do so, we equipped 20 lactating Antarctic fur seals (Arctocephalus gazella) breeding on Kerguelen Island in the Southern Ocean with tags that recorded GPS locations, depth and tri-axial acceleration to determine at-sea behaviours and detailed time-activity budgets during their foraging trips...
2017: PloS One
https://www.readbyqxmd.com/read/28450386/update-on-congenital-heart-disease-and-sudden-infant-perinatal-death-from-history-to-future-trends
#18
REVIEW
Giulia Ottaviani, L Maximilian Buja
During the 20th century, expert pathologists contributed an in-depth characterisation of the anatomical pathology and associated pathophysiology of congenital heart disease (CHD). Starting in the 1970s, the reported CHD birth prevalence has been increasing, owing to advances in diagnostic methods. Over the years, surgical treatments have been associated with an enormous reduction of CHD mortality. Advances also have been made in understanding the developmental biology and molecular pathogenesis of CHD. In developed countries, sudden infant death syndrome (SIDS) is the most frequent form of death during the first year of life, with a death rate of 0...
April 27, 2017: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28448910/exposure-to-2-2-4-4-tetrabromodiphenyl-ether-at-late-gestation-modulates-placental-signaling-molecules-in-the-mouse-model
#19
Yun Zhu, Yan Qin Tan, Lai K Leung
Polybrominated diphenyl ethers (PBDEs) are flame retardants generally employed in manufacturing household items. Surface water may remove and carry these chemicals to the drainage upon disposal of the items, and ultimately the chemicals enter our food chain. 2,2',4,4'-Tetrabromodiphenyl ether (BDE-47) is a PBDE congener commonly found in contaminated seafood. The placenta is the site of nutrient exchange and is responsible for reproductive hormone secretion during pregnancy. In the present study, pregnant ICR mice were given p...
April 22, 2017: Chemosphere
https://www.readbyqxmd.com/read/28448306/open-glenohumeral-joint-reduction-and-latissimus-dorsi-and-teres-major-tendon-transfers-for-infants-and-children-following-brachial-plexus-birth-palsy
#20
Joshua M Abzug, Scott H Kozin, Peter M Waters
Glenohumeral dysplasia can occur in brachial plexus birth palsy due to an imbalance of muscle forces. Most commonly this occurs in C5-C6 injuries where the shoulder external rotators are weak compared with the shoulder internal rotators. Treatment of the dysplasia with open reduction of the glenohumeral joint in combination with rebalancing the muscles can improve the development of the joint. Furthermore, the tendon transfer can improve shoulder function by decreasing the internal rotation forces about the shoulder while increasing the external rotation forces...
June 2017: Techniques in Hand & Upper Extremity Surgery
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