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https://www.readbyqxmd.com/read/29155442/safety-of-folic-acid
#1
Martha S Field, Patrick J Stover
There is a large body of literature demonstrating the efficacy of maternal folic acid intake in preventing birth defects, as well as investigations into potential adverse consequences of consuming folic acid above the upper intake level (UL). Recently, two authoritative bodies convened expert panels to assess risks from high intakes of folic acid: the U.S. National Toxicology Program and the UK Scientific Advisory Committee on Nutrition. Overall, the totality of the evidence examined by these panels, as well as studies published since the release of their reports, have not established risks for adverse consequences resulting from existing mandatory folic acid fortification programs that have been implemented in many countries...
November 20, 2017: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/29153262/a-call-to-introduce-structured-zika-surveillance-in-india
#2
Farah Ishtiaq
India has the climatic conditions conducive to year-round transmission of Zika virus, and a structured disease surveillance program should be implemented to prevent an outbreak. Such a program should (i) start screening before an outbreak arises; (ii) collect baseline data to assess future disease risk and monitor potential birth defects; and (iii) provide new insights into the ecology of the disease and inform public health policy following the one health concept.
November 15, 2017: Trends in Parasitology
https://www.readbyqxmd.com/read/29152996/birth-defects-associated-with-congenital-zika-virus-infection-in-mexico
#3
Silvina Noemí Contreras-Capetillo, Nina Valadéz-González, Pablo Manrique-Saide, Rafael Eduardo Carcaño-Castillo, Freddy Pacheco-Tugores, Hirian Alonso Moshe Barrera-Pérez, Doris Pinto-Escalante, Manuel Lliteras-Cardín, José Alfredo Hoil-Parra, José Luis Cáceres-Solís, Norma Pavía-Ruz
Part of the work agenda of international health authorities is to define the clinical spectrum of the congenital Zika syndrome (CZS) in different territories. We describe the clinical variability that gave rise to the suspicion of CZS in 3 newborn patients in the south of Mexico with active transmission of Zika. All of them presented Zika RNA by reverse transcription-polymerase chain reaction and positive antibodies for IgM by enzyme-linked immunosorbent assay. None of the mothers tested positive for active viremia, only one mother had Zika-symptoms and titers of Zika-positive IgM...
November 1, 2017: Clinical Pediatrics
https://www.readbyqxmd.com/read/29152924/population-based-birth-defects-data-in-the-united-states-2010-2014-a-focus-on-gastrointestinal-defects
#4
Philip J Lupo, Jennifer L Isenburg, Jason L Salemi, Cara T Mai, Rebecca F Liberman, Mark A Canfield, Glenn Copeland, Sarah Haight, Sanjiv Harpavat, Adrienne T Hoyt, Cynthia A Moore, Wendy N Nembhard, Hoang N Nguyen, Rachel E Rutkowski, Amy Steele, C J Alverson, Erin B Stallings, Russell S Kirby
BACKGROUND: Gastrointestinal defects are a phenotypically and etiologically diverse group of malformations. Despite their combined prevalence and clinical impact, little is known about the epidemiology of these birth defects. Therefore, the objective of the 2017 National Birth Defects Prevention Network (NBDPN) data brief was to better describe the occurrence of gastrointestinal defects. METHODS: As part of the 2017 NBDPN annual report, 28 state programs provided additional data on gastrointestinal defects for the period 2010-2014...
November 1, 2017: Birth defects research
https://www.readbyqxmd.com/read/29152922/population-based-birth-defects-surveillance-challenges-opportunities-and-recent-developments
#5
EDITORIAL
Russell S Kirby, Marilyn L Browne
No abstract text is available yet for this article.
November 1, 2017: Birth defects research
https://www.readbyqxmd.com/read/29152921/proximity-to-pediatric-cardiac-surgical-care-among-adolescents-with-congenital-heart-defects-in-11-new-york-counties
#6
Kristin M Sommerhalter, Tabassum Z Insaf, Tugba Akkaya-Hocagil, Claire E McGarry, Sherry L Farr, Karrie F Downing, George K Lui, Ali N Zaidi, Alissa R Van Zutphen
BACKGROUND: Many individuals with congenital heart defects (CHDs) discontinue cardiac care in adolescence, putting them at risk of adverse health outcomes. Because geographic barriers may contribute to cessation of care, we sought to characterize geographic access to comprehensive cardiac care among adolescents with CHDs. METHODS: Using a population-based, 11-county surveillance system of CHDs in New York, we characterized proximity to the nearest pediatric cardiac surgical care center among adolescents aged 11 to 19 years with CHDs...
November 1, 2017: Birth defects research
https://www.readbyqxmd.com/read/29152920/using-state-birth-defects-registries-to-evaluate-regional-critical-congenital-heart-disease-newborn-screening
#7
Amy Peterson Case, Stephanie D Miller, Monica R McClain
BACKGROUND: Most states have now passed legislation mandating pulse oximetry for all newborns, or have promulgated regulations or guidelines to encourage use of routine pulse oximetry. State-based birth defects registries may be well positioned to track and evaluate critical congenital heart disease (CCHD) screening coverage and outcomes. This purpose of this study was to determine: (1) the proportion of cases detected by screening, (2) health services use by children with CCHDs during the first year of life, and (3) mortality outcomes...
November 1, 2017: Birth defects research
https://www.readbyqxmd.com/read/29150434/campaigners-vow-to-fight-on-after-report-finds-no-link-between-hormone-test-and-birth-defects
#8
Anne Gulland
No abstract text is available yet for this article.
November 17, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/29149533/monocyte-specific-knockout-of-c-ebp%C3%AE-results-in-osteopetrosis-phenotype-blocks-bone-loss-in-ovariectomized-mice-and-reveals-an-important-function-of-c-ebp%C3%AE-in-osteoclast-differentiation-and-function
#9
Wei Chen, Guochun Zhu, Joel Jules, Diep Nguyen, Yi-Ping Li
CCAAT/enhancer-binding protein α (C/ebpα) is critical for osteoclastogenesis by regulating osteoclast (OC) lineage commitment and is also important for OC differentiation and function in vitro. However, the role of C/ebpα in postnatal skeletal development has not been reported owing to lethality in C/ebpα(-/-) mice from hypoglycemia within 8 hours after birth. Herein, we generated conditional knockout mice by deleting the C/ebpα gene in monocyte via LysM-Cre to examine its role in OC differentiation and function...
November 17, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/29148186/undescended-testis-what-paediatricians-need-to-know
#10
REVIEW
John M Hutson, Jaya Vikraman, Ruili Li, Joergen Thorup
Undescended testis (UDT) occurs when something goes wrong with testicular descent from high in the abdominal cavity to the scrotum. Normal descent occurs in two steps, with the transabdominal phase controlled by a new testicular hormone, insulin-like hormone 3, and the inguinoscrotal phase controlled by androgens. The latter phase requires a complex process of migration from the inguinal abdominal wall to the scrotum and is commonly defective, leading to the high incidence (2-4%) of UDT at birth. The clinical examination of babies and infants aims to confirm the persistence of congenital UDT by 3-6 months, so surgery can be optimally timed at 6-12 months...
November 2017: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/29147912/tracheal-agenesis-optimization-of-computed-tomography-diagnosis-by-airway-ventilation
#11
REVIEW
Marirosa Cristallo Lacalamita, Sebastien Fau, Aurelie Bornand, Isabelle Vidal, Antonella Martino, Isabelle Eperon, Seema Toso, Anne-Laure Rougemont, Sylviane Hanquinet
Tracheal agenesis is a rare and often lethal congenital defect that leads to airway emergency at birth. Computed tomography (CT) is the modality of choice to evaluate anomalous tracheal anatomy. The absence of spontaneous aeration of the tracheobronchial tree in children with tracheal agenesis makes CT interpretation difficult. We describe a procedure of airway management applied in two newborns with suspected tracheal agenesis. Correct airway management was performed immediately prior to CT examination by airway ventilation, with bag-valve mask alone in one case, and attached to an endotracheal tube placed into the esophagus in the other case...
November 17, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/29146644/a-national-cohort-study-evaluating-infant-and-fetal-mortality-caused-by-birth-defects-in-korea
#12
Hyun Sun Ko, Dong Joo Kim, Yoohyun Chung, Jeong Ha Wie, Sae Kyung Choi, In Yarg Park, Yong Gyu Park, Jong Chul Shin
OBJECTIVE: To analyse the prevalence of fetal and infant deaths due to birth defects in Korea and those trends according to maternal age. DESIGN: Retrospective national cohort study SETTING: Korean Vital Statistics database of the Korean Statistical Information Service, between 2009 and 2015. PARTICIPANTS: 2176 infant deaths and 4343 fetal deaths caused by birth defects, among 3 181 145 total live births and 43 385 fetal deaths during the study periods...
November 15, 2017: BMJ Open
https://www.readbyqxmd.com/read/29145928/note-of-clarification-potential-risks-to-offspring-of-intrauterine-exposure-to-maternal-age-related-obstetric-complications
#13
Juan J Tarín, Miguel A García-Pérez, Antonio Cano
Several hypotheses have been proposed to explain the negative effects of delayed motherhood on an offspring's morbidity later in life. However, these hypotheses are not supported by clinical and epidemiological evidence. Because advanced maternal age is associated with increased risk of obstetric complications, the aim of the present study was to ascertain whether the negative effects on offspring of intrauterine exposure to maternal age-related obstetric complications may explain the reported negative effects of delayed motherhood on offspring...
August 2017: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/29145433/maternal-folic-acid-supplementation-and-dietary-folate-intake-and-congenital-heart-defects
#14
Baohong Mao, Jie Qiu, Nan Zhao, Yawen Shao, Wei Dai, Xiaochun He, Hongmei Cui, Xiaojuan Lin, Ling Lv, Zhongfeng Tang, Sijuan Xu, Huang Huang, Min Zhou, Xiaoying Xu, Weitao Qiu, Qing Liu, Yawei Zhang
BACKGROUND: It has been reported that folic acid supplementation before and/or during pregnancy could reduce the risk of congenital heart defects (CHDs). However, the results from limited epidemiologic studies have been inconclusive. We investigated the associations between maternal folic acid supplementation, dietary folate intake, and the risk of CHDs. METHODS: A birth cohort study was conducted in 2010-2012 at the Gansu Provincial Maternity & Child Care Hospital in Lanzhou, China...
2017: PloS One
https://www.readbyqxmd.com/read/29145358/progress-in-rubella-and-congenital-rubella-syndrome-control-and-elimination-worldwide-2000-2016
#15
Gavin B Grant, Susan E Reef, Minal Patel, Jennifer K Knapp, Alya Dabbagh
Although rubella virus infection usually causes a mild fever and rash illness in children and adults, infection during pregnancy, especially during the first trimester, can result in miscarriage, fetal death, stillbirth, or infants with a constellation of congenital malformations known as congenital rubella syndrome (CRS) (1). Rubella is a leading vaccine-preventable cause of birth defects. Preventing these adverse pregnancy outcomes is the focus of rubella vaccination programs. In 2011, the World Health Organization (WHO) updated guidance on the preferred strategy for introduction of rubella-containing vaccine (RCV) into national immunization schedules and recommended an initial vaccination campaign, usually targeting children aged 9 months-14 years (1)...
November 17, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/29142446/hysterosalpingographic-hsg-pattern-of-infertility-in-women-of-reproductive-age
#16
Chinwe R Onwuchekwa, Vaduneme K Oriji
Background: Infertility is a complex disorder with significant medical, psychological and economic problems. Aims: The aim of the study is to evaluate the structural abnormalities of the uterus and fallopian tubes in infertile women as elucidated by hysterosalpingography. Setting and Design: A retrospective study, conducted at the Radiology and Obstetric and Gynaecologic Departments of a tertiary health care institution. Materials and Methods: Evaluation of all consecutive patients in whom hysterosalpingographic (HSG) was performed for infertility between July 2013 and June 2015 in the Department of Radiology...
July 2017: Journal of Human Reproductive Sciences
https://www.readbyqxmd.com/read/29141329/-association-between-illness-and-mental-status-in-pregnant-women-and-birth-defects
#17
D D Zhao, Y X Dai, L Q Guo, R Liu, H L Wang, B B Mi, S N Dang, H Yan
Objective: To understand the prevalence of birth defects, related diseases and mental status of women during pregnancy in Shaanxi province and to analyse the major risk factors on birth defects and congenital heart disease. Possible association between maternal diseases or mental status and the risk of birth defects, was also explored. Methods: A cross-sectional design was used in this study and stratified multistage random sampling method was used. The whole survey was from Jury 2013 to November 2013. Logistic regression method was used to analyze the association between maternal diseases, mental status during pregnancy and birth defects...
November 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/29138679/modulatory-mechanism-of-polyphenols-and-nrf2-signaling-pathway-in-lps-challenged-pregnancy-disorders
#18
REVIEW
Tarique Hussain, Bie Tan, Gang Liu, Ghulam Murtaza, Najma Rahu, Muhammad Saleem, Yulong Yin
Early embryonic loss and adverse birth outcomes are the major reproductive disorders that affect both human and animals. The LPS induces inflammation by interacting with robust cellular mechanism which was considered as a plethora of numerous reproductive disorders such as fetal resorption, preterm birth, teratogenicity, intrauterine growth restriction, abortion, neural tube defects, fetal demise, and skeletal development retardation. LPS-triggered overproduction of free radicals leads to oxidative stress which mediates inflammation via stimulation of NF-κB and PPARγ transcription factors...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29134775/changes-in-sensitivity-to-the-effects-of-atrazine-on-the-luteinizing-hormone-surge-in-female-sprague-dawley-rats-after-repeated-daily-doses-correlation-with-liver-enzyme-expression
#19
Charles B Breckenridge, Chad D Foradori, Pragati Sawhney Coder, James W Simpkins, Robert L Sielken, Robert J Handa
BACKGROUND: Atrazine suppression of the LH surge slowly develops over time and peaks after 4 days; sensitivity to atrazine decreases after 8 or 14 days of dosing. Adaptation of the LH response was correlated with increased phase I and phase II liver enzyme activity/expression. METHODS: The effect of atrazine on the LH surge was evaluated in female Sprague-Dawley rats administered 100 mg/kg/day atrazine by gavage for 1, 2, 3, or 4 consecutive days or 6.5, 50, or 100 mg/kg/day atrazine for 4, 8, or 14 days...
November 14, 2017: Birth defects research
https://www.readbyqxmd.com/read/29133009/periconceptional-maternal-fever-folic-acid-intake-and-the-risk-for-neural-tube-defects
#20
Stephen M Kerr, Samantha E Parker, Allen A Mitchell, Sarah C Tinker, Martha M Werler
PURPOSE: Previous studies have shown an association between maternal fever in early pregnancy and neural tube defects (NTDs) such as spina bifida. Periconceptional folic acid intake has been shown to reduce the risk of these outcomes. METHODS: Using data from the Slone Epidemiology Center Birth Defects Study (1998-2015), we examined the impact of folic acid on the relationship between maternal fever in the periconceptional period (28 days before and after the last menstrual period) and NTDs...
November 2, 2017: Annals of Epidemiology
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