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Qingfei Zeng, Erik Jeppesen, Xiaohong Gu, Zhigang Mao, Huihui Chen
The spatial-temporal distribution of polycyclic aromatic hydrocarbons (PAHs), their source, and potential health risks were determined in overlying water and surface sediments from Chinese Lake Guchenghu, adjacent commercial mitten crab ponds and the connected Wushen Canal to assess the contamination profile of the area. The total PAHs concentrations in sediment and water were 86.7-1790 ng g-1 dry weight (dw) and 184-365 ng L-1 in summer and 184-3140 ng g-1 dw and 410-1160 ng L-1 in winter. Two- and 3-ring PAHs were the predominant compounds in water, while PAHs with 4-6 rings dominated in the sediment at both upstream and downstream sites...
March 6, 2018: Chemosphere
Tiffany Field
The increasing prevalence of postnatal anxiety highlights the need for summarizing the recent research on this condition to inform screening and intervention efforts. This narrative review of the literature was derived from a search on PubMed and PsycINFO for papers published since 2010. The demographic risk factors for postnatal anxiety include being a young mother, having more education and being employed. Childbirth risk factors include being primiparous in one sample and multiparous in another, caesarean delivery, fear of the birth and of death during delivery, lack of control during labor, low self-confidence for the delivery and the delivery staff, and premature delivery...
March 12, 2018: Infant Behavior & Development
Chen Chen, Nicole J Mitchell, Jean Gratz, Eric R Houpt, Yunyun Gong, Patricia A Egner, John D Groopman, Ronald T Riley, Jency L Showker, Erling Svensen, Estomih R Mduma, Crystal L Patil, Felicia Wu
Growth impairment is a major public health issue for children in Tanzania. The question remains as to whether dietary mycotoxins play a role in compromising children's growth. We examined children's exposures to dietary aflatoxin and fumonisin and potential impacts on growth in 114 children under 36 months of age in Haydom, Tanzania. Plasma samples collected from the children at 24 months of age (N = 60) were analyzed for aflatoxin B1 -lysine (AFB1 -lys) adducts, and urine samples collected between 24 and 36 months of age (N = 94) were analyzed for urinary fumonisin B1 (UFB1 )...
March 12, 2018: Environment International
Sung-Eun Lee, Ji Yoon Lee, A-Reum Han, Hee-Sun Hwang, Woo-Sung Min, Hee-Je Kim
Although vascular endothelial growth factor-C (VEGF-C) is known to be expressed in acute myeloid leukemia (AML) blasts, the relevance of VEGF-C in the clinical setting remains to be fully explored. We examined the effect of VEGF-C on achievement of complete remission (CR) in adult de novo AML and immune cell population profiles according to VEGF-C mRNA expression. In comparison of VEGF-C expression between the no-CR and CR groups, the CR group showed a trend toward higher levels of plasma VEGF-C (P = .088), whereas mRNA expression of VEGF-C was downregulated (P = ...
March 12, 2018: Translational Oncology
Nicolien A Van Vliet, Raymond Noordam, Jan B Van Klinken, Rudi G J Westendorp, J H Duncan Bassett, Graham R Williams, Diana Van Heemst
With population aging, prevalence of low bone mineral density (BMD) and associated fracture risk are increased. To determine whether low circulating thyroid stimulating hormone (TSH) levels within the normal range are causally related to BMD, we conducted a two-sample Mendelian randomization (MR) study. Furthermore, we tested whether common genetic variants in the TSH receptor (TSHR) gene and genetic variants influencing expression of TSHR (eQTLs) are associated with BMD. For both analyses, we used summary-level data of genome-wide association studies (GWAS) investigating BMD of the femoral neck (N = 32,735) and the lumbar spine (N = 28,498) in cohorts of European ancestry from the Genetic Factors of Osteoporosis (GEFOS) Consortium...
March 15, 2018: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
Tanya Moutray, Jennifer R Evans, Noemi Lois, David J Armstrong, Tunde Peto, Augusto Azuara-Blanco
BACKGROUND: Diabetic retinopathy (DR) is a chronic progressive disease of the retinal microvasculature associated with prolonged hyperglycaemia. Proliferative DR (PDR) is a sight-threatening complication of DR and is characterised by the development of abnormal new vessels in the retina, optic nerve head or anterior segment of the eye. Argon laser photocoagulation has been the gold standard for the treatment of PDR for many years, using regimens evaluated by the Early Treatment of Diabetic Retinopathy Study (ETDRS)...
March 15, 2018: Cochrane Database of Systematic Reviews
Carol Kelly, James D Chalmers, Iain Crossingham, Nicola Relph, Lambert M Felix, David J Evans, Stephen J Milan, Sally Spencer
BACKGROUND: Bronchiectasis is a chronic respiratory disease characterised by abnormal and irreversible dilatation and distortion of the smaller airways. Bacterial colonisation of the damaged airways leads to chronic cough and sputum production, often with breathlessness and further structural damage to the airways. Long-term macrolide antibiotic therapy may suppress bacterial infection and reduce inflammation, leading to fewer exacerbations, fewer symptoms, improved lung function, and improved quality of life...
March 15, 2018: Cochrane Database of Systematic Reviews
Jennifer Carns, Kondwani Kawaza, M K Quinn, Yinsen Miao, Rudy Guerra, Elizabeth Molyneux, Maria Oden, Rebecca Richards-Kortum
BACKGROUND: Neonatal hypothermia is widely associated with increased risks of morbidity and mortality, but remains a pervasive global problem. No studies have examined the impact of hypothermia on outcomes for preterm infants treated with CPAP for respiratory distress syndrome (RDS). METHODS: This retrospective analysis assessed the impact of hypothermia on outcomes of 65 neonates diagnosed with RDS and treated with either nasal oxygen (N = 17) or CPAP (N = 48) in a low-resource setting...
2018: PloS One
Danika Martyn, Maryse Darch, Ashley Roberts, Han Youl Lee, Tina Yaqiong Tian, Naoko Kaburagi, Pablo Belmar
The current review examined published data on the intake of all major low-/no-calorie sweeteners-aspartame, acesulfame-K, saccharin, sucralose, cyclamate, thaumatin and steviol glycosides-globally over the last decade. The most detailed and complex exposure assessments were conducted in Europe, following a standardized approach. Japan and Korea similarly had up-to-date and regular intake data available. The data for other Asian countries, Latin America, Australia/New Zealand and global estimates, evaluated by the Joint FAO/WHO Expert Committee on Food Additives (JECFA), while available, were shown to be more limited in terms of design...
March 15, 2018: Nutrients
Nina Zupanič, Maša Hribar, Urška Pivk Kupirovič, Anita Kušar, Katja Žmitek, Igor Pravst
Consumption of industrially produced trans -fatty acids (TFAs) is a well-established health risk factor that correlates with the increased risk of developing cardiovascular disease. The recommended TFA intake is as low as possible, within the context of a nutritionally adequate diet. Different countries have introduced different measures to minimize the exposure of their population to TFAs. Previous data have shown that TFA content has significantly decreased in Western European countries, while this was not the case in many Central-Eastern European countries, including Slovenia...
March 15, 2018: Nutrients
Rajib Podder, Diane M DellaValle, Robert T Tyler, Raymond P Glahn, Elad Tako, Albert Vandenberg
Due to low Fe bioavailability and low consumption per meal, lentil must be fortified to contribute significant bioavailable Fe in the Bangladeshi diet. Moreover, since red lentil is dehulled prior to consumption, an opportunity exists at this point to fortify lentil with Fe. Thus, in the present study, lentil was Fe-fortified (using a fortificant Fe concentration of 2800 µg g-1 ) and used in 30 traditional Bangladeshi meals with broad differences in concentrations of iron, phytic acid (PA), and relative Fe bioavailability (RFeB%)...
March 15, 2018: Nutrients
Hui Di, Xingpeng Liu, Jiquan Zhang, Zhijun Tong, Meichen Ji
Water environmental risk is the probability of the occurrence of events caused by human activities or the interaction of human activities and natural processes that will damage a water environment. This study proposed a water environmental risk index (WERI) model to assess the water environmental risk in the Yinma River Basin based on hazards, exposure, vulnerability, and regional management ability indicators in a water environment. The data for each indicator were gathered from 2000, 2005, 2010, and 2015 to assess the spatial and temporal variations in water environmental risk using particle swarm optimization and the analytic hierarchy process (PSO-AHP) method...
March 15, 2018: International Journal of Environmental Research and Public Health
Blanca De Unamuno, Zaida García-Casado, José Bañuls, Celia Requena, José Antonio Lopez-Guerrero, Eduardo Nagore
CDKN2A germline mutations increase the risk of melanoma development and are present in 20 and 10% of familial and multiple melanoma cases, respectively. Pancreatic cancer has been associated with CDKN2A in some populations and, accordingly, its presence in first-degree or second-degree relatives of a melanoma patient is considered as a criterion for genetic testing. In this study, we show that in an area with low melanoma incidence, CDKN2A germline mutations in patients with melanoma and personal or family history of pancreatic cancer are mainly present in the setting of familial or multiple melanoma cases...
March 14, 2018: Melanoma Research
Anne Munck, Rym Boulkedid, Laurence Weiss, Pierre Foucaud, Nathalie Wizla-Derambure, Philippe Reix, François Bremont, Jocelyne Derelle, Julien Schroedt, Corinne Alberti
OBJECTIVE: To evaluate nutritional status and associated factors in a cystic fibrosis (CF) cohort diagnosed by newborn screening and followed up to month 24. METHODS: A prospective longitudinal multicenter study assessing nutritional status according to pancreatic status, feeding modalities, prescriptions, pulmonary outcome and biological nutritional parameters. RESULTS: One-hundred-and-five infants were recruited and 99 completed the study...
March 14, 2018: Journal of Pediatric Gastroenterology and Nutrition
Liv Reidun Tverelv, Sveinung Wergeland Sørbye, Finn Egil Skjeldestad
OBJECTIVE: The Norwegian Cervical Cancer Screening Programme recommends follow-up of histologically confirmed normal/cervical intraepithelial neoplasia (CIN) 1 with combined cytology and human papillomavirus testing within 6 to 12 months. This study examines adherence to guidelines and subsequent risk for CIN 3+ within this subset of women. MATERIALS AND METHODS: Women aged 25 to 69 years attending the Norwegian Cervical Cancer Screening Programme in Norway's 2 northernmost counties were included...
March 14, 2018: Journal of Lower Genital Tract Disease
Giuseppe Giannaccare, Jayne S Weiss, Laura Sapigni, Cristina Bovone, Leila Mattioli, Emilio C Campos, Massimo Busin
PURPOSE: To evaluate the rate and outcomes of immunologic stromal rejection occurring after large deep anterior lamellar keratoplasty (DALK) and the effect of the underlying disease on the cumulative probability of rejection. METHODS: This was a retrospective chart review of all eyes that underwent a 9-mm DALK at Ospedali Privati Forlì (Forlì, Italy). On the basis of preoperative diagnosis, eyes were assigned to group 1: keratoconus, group 2: stromal disease with a low risk for rejection, or group 3: stromal disease with a high risk for rejection...
March 14, 2018: Cornea
Young Joon Choi, Si Yoon Park, Ikhyun Jun, Moonjung Choi, Kyoung Yul Seo, Eung Kweon Kim, Tae-Im Kim
PURPOSE: To evaluate perioperative dry eye (DE) syndrome and meibomian gland dysfunction (MGD) parameters associated with persistent DE symptoms after cataract surgery. METHODS: We enrolled patients who underwent uncomplicated cataract surgery without previous ocular comorbidities and previous use of ophthalmic treatment except for artificial tears at a single tertiary hospital. Lipid layer thickness, meibomian gland (MG) dropout, tear breakup time, Oxford staining score, lid margin abnormality, meibum quality, meibum expressibility, MG orifice obstruction, MGD stage, Ocular Surface Disease Index (OSDI), and Schirmer test score were prospectively assessed in order at baseline and 1 and 3 months postoperative...
March 14, 2018: Cornea
Enrique Bernal, Jose Miguel Gómez, Inma Jarrín, Alfredo Cano, Angeles Muñoz, Antonia Alcaraz, Arkaitz Imaz, Jose Antonio Iribarren, María Rivero, Piedad Arazo, Félix Gutiérrez, CoRIS Study Group
BACKGROUND: The objetive was investigate the long-term impact of low level viremia (LLV) on all-cause mortality, AIDS and non-AIDS events (NAEs), and virological failure in patients receiving ART. METHODS: We analyzed ART-naïve adults from the cohort of the Spanish AIDS Research Network (CoRIS) who initiated ART from 2004 to 2015 and achieved plasma viral load (VL) below 50 copies/ml. LLV50-199 was defined as two consecutive VL between 50 and 199 copies/ml, and LLV200-499 as two consecutive VL between 50 and 499 copies/ml with at least one between 200 and 499 copies/ml...
March 13, 2018: Journal of Acquired Immune Deficiency Syndromes: JAIDS
Kate S Wilson, George Wanje, Linnet Masese, Jane Simoni, Juma Shafi, Lucy Adala, Julie Overbaugh, Walter Jaoko, Barbra A Richardson, R Scott McClelland
BACKGROUND: Little is known about fertility desire in HIV-positive female sex workers (FSW). Fertility desire could increase HIV transmission risk if it were associated with condomless sex or lower adherence to antiretroviral therapy (ART). METHODS: A prospective cohort study was conducted among 255 HIV-positive FSWs in Mombasa, Kenya. Using generalized estimating equations, fertility desire was evaluated as a risk factor for semen detection in vaginal secretions by prostate specific antigen (PSA) test, a biomarker of condomless sex, detectable plasma viral load (VL), and HIV transmission potential, defined as visits with positive PSA and detectable VL...
March 13, 2018: Journal of Acquired Immune Deficiency Syndromes: JAIDS
Lucy Kerns
In risk assessment, it is often desired to make inferences on the risk at certain low doses or on the dose(s) at which a specific benchmark risk (BMR) is attained. At times, [Formula: see text] dose levels or BMRs are of interest, and some form of multiplicity adjustment is necessary to ensure a valid [Formula: see text] simultaneous inference. Bonferroni correction is often employed in practice for such purposes. Though relative simple to implement, the Bonferroni strategy can suffer from extreme conservatism (Nitcheva et al...
March 15, 2018: Journal of Biopharmaceutical Statistics
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