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https://www.readbyqxmd.com/read/28645121/effect-of-obesity-on-gestational-and-perinatal-outcomes
#1
Sônia Regina Cabral Madi, Rosa Maria Rahmi Garcia, Vandrea Carla de Souza, Renato Luís Rombaldi, Breno Fauth de Araújo, José Mauro Madi
Purpose To assess the impact of pre-pregnancy obesity (body mass index [BMI] ≥ 30 kg/m(2)) on the gestational and perinatal outcomes. Methods Retrospective cohort study of 731 pregnant women with a BMI ≥ 30 kg/m(2) at the first prenatal care visit, comparing them with 3,161 women with a BMI between 18.5 kg/m(2) and 24.9 kg/m(2). Maternal and neonatal variables were assessed. Statistical analyses reporting the demographic features of the pregnant women (obese and normal) were performed with descriptive statistics followed by two-sided independent Student's t tests for the continuous variables, and the chi-squared (χ(2)) test, or Fisher's exact test, for the categorical variables...
June 23, 2017: Revista Brasileira de Ginecologia e Obstetrícia
https://www.readbyqxmd.com/read/28645012/associations-between-toxic-and-essential-trace-elements-in-maternal-blood-and-fetal-congenital-heart-defects
#2
Yanqiu Ou, Michael S Bloom, Zhiqiang Nie, Fengzhen Han, Jinzhuang Mai, Jimei Chen, Shao Lin, Xiaoqing Liu, Jian Zhuang
Prenatal exposure to toxic trace elements, including heavy metals, is an important public health concern. Few studies have assessed if individual and multiple trace elements simultaneously affect cardiac development. The current study evaluated the association between maternal blood lead (Pb), cadmium (Cd), chromium (Cr), copper (Cu), mercury (Hg), and selenium (Se) levels and congenital heart defects (CHDs) in offspring. This hospital-based case-control study included 112 case and 107 control infants. Maternal peripheral blood draw was made during gestational weeks 17-40 and used to determine trace element levels by inductively coupled plasma mass spectrometry...
June 20, 2017: Environment International
https://www.readbyqxmd.com/read/28644831/inflammatory-and-vascular-placental-lesions-are-associated-with-neonatal-amplitude-integrated-eeg-recording-in-early-premature-neonates
#3
Dorit Paz-Levy, Letizia Schreiber, Offer Erez, Sharon Goshen, Justin Richardson, VIadimir Drunov, Orna Staretz Chacham, Eilon Shany
INTRODUCTION: Placental histologic examination can assist in revealing the mechanism leading to preterm birth. Accumulating evidence suggests an association between intrauterine pathological processes, morbidity and mortality of premature infants, and their long term outcome. Neonatal brain activity is increasingly monitored in neonatal intensive care units by amplitude integrated EEG (aEEG) and indices of background activity and sleep cycling patterns were correlated with long term outcome...
2017: PloS One
https://www.readbyqxmd.com/read/28644735/fetal-and-neonatal-alloimmune-thrombocytopenia-evidence-based-antenatal-and-postnatal-management-strategies
#4
Dian Winkelhorst, Dick Oepkes, Enrico Lopriore
Fetal and neonatal alloimmune thrombocytopenia (FNAIT) is a relatively rare but potentially lethal disease, leading to severe bleeding complications in 1 in 11.000 newborns. It is the leading cause of thrombocytopenia in healthy term-born neonates. Areas covered: This review summarizes the antenatal as well as postnatal treatment, thus creating a complete overview of all possible management strategies for FNAIT. Expert commentary: The optimal antenatal therapy in order to prevent bleeding complications in pregnancies complicated by FNAIT is non-invasive treatment with weekly intravenous immunoglobulin (IVIG)...
June 23, 2017: Expert Review of Hematology
https://www.readbyqxmd.com/read/28644236/cyp1b1-cytopathy-uncommon-phenotype-of-a-homozygous-cyp1b1-deletion-as-internal-corneal-ulcer-of-von-hippel
#5
Valeria Oliva-Biénzobas, Alejandro Navas, Mirena C Astiazarán, Oscar Francisco Chacón-Camacho, Jose A Bermúdez-Magner, Mariana Takane, Enrique Graue-Hernández, Juan Carlos Zenteno
PURPOSE: To report a mutation of CYP1B1 in a newborn with a rare phenotype without the classic features of anterior segment dysgenesis or congenital glaucoma. METHODS: The newborn presented with diffuse corneal edema and bilaterally elevated intraocular pressure (IOP). Ophthalmological examination, ultrasound, and ultrasound biomicroscopy were performed; congenital infections were ruled out. Genetic analysis was performed. The patient underwent penetrating keratoplasty and goniotomy in a single surgical time...
June 21, 2017: Cornea
https://www.readbyqxmd.com/read/28643877/cerebral-haemodynamic-response-to-somatosensory-stimulation-in-neonatal-lambs
#6
Shinji Nakamura, David W Walker, Flora Y Wong
The neurovascular coupling response has been defined for the adult brain but in the neonate non-invasive measurement of local cerebral perfusion using NIRS or BOLD fMRI have yielded variable and inconsistent results, including negative responses suggesting decreased perfusion and localised tissue tissue hypoxia. Also, the impact of permissive hypercapnia (Pa CO2  > 50 mmHg) in the management of neonates on cerebrovascular responses to somatosensory input is unknown. Using NIRS to measure changes in cerebral oxy- and deoxy-haemoglobin (ΔoxyHb, ΔdeoxyHb) in 8 anaesthetised newborn lambs, we studied the cerebral haemodynamic functional response to left median nerve stimulation using stimulus trains of 1...
June 23, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28643627/bifidobacteria-and-their-health-promoting-effects
#7
Claudio Hidalgo-Cantabrana, Susana Delgado, Lorena Ruiz, Patricia Ruas-Madiedo, Borja Sánchez, Abelardo Margolles
Bifidobacteria are members of the intestinal microbiota of mammals and other animals, and some strains are able to exert health-promoting effects. The genus Bifidobacterium belongs to the Actinobacteria phylum. Firmicutes, Bacteroidetes, and Actinobacteria constitute the most abundant phyla in the human intestinal microbiota, Firmicutes and Bacteroidetes being predominant in adults, and Actinobacteria in breast-fed infants, where bifidobacteria can reach levels higher than 90% of the total bacterial population...
June 2017: Microbiology Spectrum
https://www.readbyqxmd.com/read/28643386/risks-and-trends-of-red-blood-cell-transfusion-in-obstetric-patients-a-retrospective-study-of-45-213-deliveries-using-administrative-data
#8
Nadine Shehata, Michaël Chassé, Jo Ann Colas, Malia Murphy, Alan J Forster, Ann K Malinowski, Robin Ducharme, Dean A Fergusson, Alan Tinmouth, Kumanan Wilson
BACKGROUND: Transfusion data for obstetric patients are scarce. Identifying characteristics associated with red blood cell transfusion (RBCT) is of importance to better identify patients who would benefit from blood conservation strategies as the risk of alloimmunization from RBCT has the potential to affect the fetus and newborn. STUDY DESIGN AND METHODS: We conducted a retrospective cohort study using hospital administrative data to identify trends and risk factors of RBCT in obstetric patients...
June 22, 2017: Transfusion
https://www.readbyqxmd.com/read/28643232/caffeine-protects-against-anticonvulsant-induced-neurotoxicity-in-the-developing-rat-brain
#9
Stefanie Endesfelder, Ulrike Weichelt, Cornelia Schiller, Marco Sifringer, Ivo Bendix, Christoph Bührer
Phenobarbital is the most commonly used drug for the treatment of neonatal seizures but may induce neurodegeneration in the developing brain. Methylxanthine caffeine is used for the treatment of apnea in newborn infants and appears to be neuroprotective, as shown by antiapoptotic and anti-inflammatory effects in oxidative stress models in newborn rodents and reduced rates of cerebral palsy in human infants treated with caffeine. We hypothesized that caffeine may counteract the proapoptotic effects of phenobarbital in newborn rats...
June 22, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/28642261/transforming-growth-factor-beta-stimulates-smad1-5-signaling-in-pulmonary-artery-smooth-muscle-cells-and-fibroblasts-of-the-newborn-mouse-through-alk1
#10
Huili Zhang, Lili Du, Ying Zhong, Kathleen C Flanders, Jesse D Roberts
The intracellular signaling mechanisms through which TGFβ regulates pulmonary development are incompletely understood. Canonical TGFβ signaling involves Smad2/3 phosphorylation, Smad2/3·Smad4 complex formation and nuclear localization, and gene regulation. Here we show that physiologically relevant TGFβ1 levels also stimulate Smad1/5 phosphorylation, typically a mediator of bone morphogenetic protein (BMP) signaling, in mouse pup pulmonary artery smooth muscle cells (mPASMC) and lung fibroblasts and other interstitial lung cell lines...
June 22, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28642139/clinical-characteristics-and-epidemiology-of-sepsis-in-the-neonatal-intensive-care-unit-in-the-era-of-multi-drug-resistant-organisms-a-retrospective-review
#11
Dawood Yusef, Tala Shalakhti, Samah Awad, Hana'a Algharaibeh, Wasim Khasawneh
BACKGROUND: Sepsis in the neonatal intensive care unit (NICU) remains one of the most significant causes of morbidity and mortality, especially for preterm newborns. Multi-drug resistant organisms (MDROs) are emerging as important pathogens that cause neonatal sepsis in NICU. Therefore, studying the epidemiology, clinical features, and outcome caused by MDROs vs. non-MDROs, and identifying risk factors that may predispose patients to sepsis by MDROs are important. METHODS: Episodes of blood culture-proven sepsis (age: 0-90 days) in the NICU at our institution from January 2012 to December 2015 were retrospectively reviewed...
June 9, 2017: Pediatrics and Neonatology
https://www.readbyqxmd.com/read/28642112/breastfeeding-during-pregnancy-a-systematic-review
#12
REVIEW
G López-Fernández, M Barrios, J Goberna-Tricas, J Gómez-Benito
BACKGROUND: The consequences of breastfeeding during pregnancy (BDP) have not been clearly established. Available studies have addressed isolated aspects of this issue using different methodologies, often resulting in contradictory results. To our knowledge, no systematic review has assessed and compared these studies, making it difficult to obtain a clear picture of the consequences of BDP. AIM: To review and summarise all the scientific evidence relating to BDP, and determine whether this evidence is sufficient to establish clear implications for the mother, breastmilk, breastfed child, current pregnancy, and ultimately, the newborn...
June 19, 2017: Women and Birth: Journal of the Australian College of Midwives
https://www.readbyqxmd.com/read/28641192/obstructive-neonatal-atrial-myxoma
#13
Federica Iezzi, Andrea Quarti, Alessandro Capestro, Marco Pozzi
INTRODUCTION: Cardiac myxoma is a benign neoplasm representing the most common primary cardiac tumor in adults, however it is unusual in neonates. It is represented by an endocardial mass that occupies the cardiac chamber. Although the majority of myxomas are attached to the fossa ovalis of the interatrial septum, they also attach to the walls of the cardiac chambers and to valve leaflets surfaces. Approximately 75% of myxomas are found in the left atrium, 20% are located in the right atrium, and rarely in the ventricles...
June 8, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28639843/characteristics-of-children-with-unilateral-hearing-loss
#14
Elizabeth M Fitzpatrick, Rakan S Al-Essa, JoAnne Whittingham, Jessica Fitzpatrick
OBJECTIVE: The purpose of this study was to describe the clinical characteristics of children with unilateral hearing loss (UHL), examine deterioration in hearing, and explore amplification decisions. DESIGN: Population-based data were collected prospectively from time of diagnosis. Serial audiograms and amplification details were retrospectively extracted from clinical charts to document the trajectory and management of hearing loss. SAMPLE: The study included all children identified with UHL in one region of Canada over a 13-year period (2003-2015) after implementation of universal newborn hearing screening...
June 22, 2017: International Journal of Audiology
https://www.readbyqxmd.com/read/28639307/anti-d-in-a-mother-hemizygous-for-the-variant-rhd-dnb-gene-associated-with-hemolytic-disease-of-the-fetus-and-newborn
#15
Kelli M Quantock, Genghis H Lopez, Catherine A Hyland, Yew-Wah Liew, Robert L Flower, Frans J Niemann, Arthur Joyce
BACKGROUND: Individuals with the partial D phenotype when exposed to D+ red blood cells (RBCs) carrying the epitopes they lack may develop anti-D specific for the missing epitopes. DNB is the most common partial D in Caucasians and the clinical significance for anti-D in these individuals is unknown. STUDY DESIGN AND METHODS: This article describes the serologic genotyping results and clinical manifestations in two group D+ babies of a mother presenting as group O, D+ with alloanti-D...
June 21, 2017: Transfusion
https://www.readbyqxmd.com/read/28638850/probiotic-lactobacillus-species-strengthen-intestinal-barrier-function-and-tight-junction-integrity-in-experimental-necrotizing-enterocolitis
#16
Brian P Blackwood, Carrie Y Yuan, Douglas R Wood, Joseph D Nicolas, Justyna S Grothaus, Catherine J Hunter
Necrotizing enterocolitis (NEC) is a serious intestinal disease that occurs in newborn infants. It is associated with major morbidity and affects 5% of all infants admitted to neonatal intensive care units. Probiotics have variable efficacy in preventing necrotizing enterocolitis. Tight junctions (TJ) are protein complexes that maintain epithelial barrier integrity. We hypothesized that the probiotics Lactobacillus rhamnosus and Lactobacillus plantarum strengthen intestinal barrier function, promote TJ integrity, and protect against experimental NEC...
April 2017: J Probiotics Health
https://www.readbyqxmd.com/read/28638318/maturation-behavioral-activation-and-connectivity-of-adult-born-medium-spiny-neurons-in-a-striatal-song-nucleus
#17
Jennifer Kosubek-Langer, Lydia Schulze, Constance Scharff
Neurogenesis continues in the adult songbird brain. Many telencephalic song control regions incorporate new neurons into their existing circuits in adulthood. One song nucleus that receives many new neurons is Area X. Because this striatal region is crucial for song learning and song maintenance the recruitment of new neurons into Area X could influence these processes. As an entry point into addressing this possibility, we investigated the maturation and connectivity within the song circuit and behavioral activation of newly generated Area X neurons...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28638278/lifespan-and-associated-factors-of-peripheral-intravenous-cannula-among-infants-admitted-in-public-hospitals-of-mekelle-city-tigray-ethiopia-2016
#18
Eskedar Birhane, Kalayou Kidanu, Mekuria Kassa, Dawit Gerezgiher, Lidia Tsegay, Brhanu Weldu, Genet Kidane, Hadgu Gerensea
BACKGROUND: Peripheral Intravenous cannula (IV) is the most common vascular access device used to administer medications with the exception of medication or fluid with high or low PH or hyperosmolarity which may cause severe damage to small veins. The insertion of a peripheral intravenous cannula in newborn infants can be difficult. Appropriate veins with sufficient capacity to insert a cannula become less available throughout the hospital stay. Once a peripheral intravenous cannula is inserted, it is desirable that its patency can be maintained as long as possible...
2017: BMC Nursing
https://www.readbyqxmd.com/read/28638108/pregnancy-outcomes-in-nulliparous-women-after-ultrasound-ablation-of-uterine-fibroids-a-single-central-retrospective-study
#19
Jun Shu Li, Yong Wang, Jin Yun Chen, Wen Zhi Chen
To explore the impact of high-intensity focused ultrasound (HIFU) ablation of uterine fibroids in nulliparous women on subsequent pregnancy and delivery. A retrospective analysis was conducted of nulliparous women who received HIFU treatment at Chongqing Medical University, Chongqing,China, from January 1, 2010, to January 1, 2015. A total of 189 cases were enrolled, the median follow-up time was three years. Among them,there were 131 cases pregnancy with a total of 133 times,the pregnancy rate was 69.3% (131/189),and the spontaneous conception rate was 95...
June 21, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28637888/maternal-bmi-and-glycemia-impact-the-fetal-metabolome
#20
William L Lowe, James R Bain, Michael Nodzenski, Anna C Reisetter, Michael J Muehlbauer, Robert D Stevens, Olga R Ilkayeva, Lynn P Lowe, Boyd E Metzger, Christopher B Newgard, Denise M Scholtens
OBJECTIVE: We used targeted metabolomics to determine associations of maternal BMI and glucose levels with cord blood metabolites and associations of cord blood metabolites with newborn birth weight and adiposity in mother-offspring dyads. RESEARCH DESIGN AND METHODS: Targeted metabolomic assays were performed on cord blood serum samples from European ancestry, Afro-Caribbean, Thai, and Mexican American newborns (400 from each ancestry group) whose mothers participated in the Hyperglycemia and Adverse Pregnancy Outcome (HAPO) Study and who had anthropometric measurements at birth...
July 2017: Diabetes Care
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