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https://www.readbyqxmd.com/read/28635552/temporal-variation-of-fine-and-coarse-particulate-matter-sources-in-jeddah-saudi-arabia
#1
Chris C Lim, George D Thurston, Magdy Shamy, Mansour Alghamdi, Mamdouh Khoder, Abdullah M Mohorjy, Abdulrahman K Alkhalaf, Jason Brocato, Lung Chi Chen, Max Costa
This study provides the first comprehensive analysis of the seasonal variations and weekday/weekend differences in fine (PM2.5) and coarse (PM2.5-10) particulate matter mass concentrations, elemental constituents, and potential source origins in Jeddah, Saudi Arabia. Air quality samples were collected over one year, from June 2011 to May 2012 at a frequency of three times per week, and analyzed. The average mass concentrations of PM2.5 (21.9 μg/m(3)) and PM10 (107.8 μg/m(3)) during the sampling period exceeded the recommended annual average levels by the World Health Organization (WHO) for PM2...
June 21, 2017: Journal of the Air & Waste Management Association
https://www.readbyqxmd.com/read/28634454/the-structure-and-function-of-the-na-k-atpase-isoforms-in-health-and-disease
#2
REVIEW
Michael V Clausen, Florian Hilbers, Hanne Poulsen
The sodium and potassium gradients across the plasma membrane are used by animal cells for numerous processes, and the range of demands requires that the responsible ion pump, the Na,K-ATPase, can be fine-tuned to the different cellular needs. Therefore, several isoforms are expressed of each of the three subunits that make a Na,K-ATPase, the alpha, beta and FXYD subunits. This review summarizes the various roles and expression patterns of the Na,K-ATPase subunit isoforms and maps the sequence variations to compare the differences structurally...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28633767/temporal-variation-in-ankle-fractures-and-orthopedic-resident-program-planning-in-an-urban-level-1-trauma-center
#3
Aaron Wynkoop, Osy Ndubaku, Norman Walter, Theresa Atkinson
Previous studies have described the mechanism of ankle fractures, their seasonal variation, and fracture patterns but never in conjunction. In addition, the cohorts previously studied were either not from trauma centers or were often dominated by low-energy mechanisms. The present study aimed to describe the epidemiology of ankle fractures presenting to an urban level 1 trauma center. The records from an urban level 1 trauma center located in the Midwestern United States were retrospectively reviewed, and the injury mechanism and energy, time of injury, day of week, month, and patient characteristics (age, gender, comorbidities, smoking status) were collected...
July 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28633678/variation-in-empiric-coverage-versus-detection-of-methicillin-resistant-staphylococcus-aureus-and-pseudomonas-aeruginosa-in-hospitalizations-for-community-onset-pneumonia-across-128-us-veterans-affairs-medical-centers
#4
Barbara E Jones, Kevin Antoine Brown, Makoto M Jones, Benedikt D Huttner, Tom Greene, Brian C Sauer, Karl Madaras-Kelly, Michael A Rubin, Matthew Bidwell Goetz, Matthew H Samore
OBJECTIVE To examine variation in antibiotic coverage and detection of resistant pathogens in community-onset pneumonia. DESIGN Cross-sectional study. SETTING A total of 128 hospitals in the Veterans Affairs health system. PARTICIPANTS Hospitalizations with a principal diagnosis of pneumonia from 2009 through 2010. METHODS We examined proportions of hospitalizations with empiric antibiotic coverage for methicillin-resistant Staphylococcus aureus (MRSA) and Pseudomonas aeruginosa (PAER) and with initial detection in blood or respiratory cultures...
June 21, 2017: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/28633660/a-re-assessment-of-the-safety-of-silver-in-household-water-treatment-rapid-systematic-review-of-mammalian-in-vivo-genotoxicity-studies
#5
REVIEW
Lorna Fewtrell, Batsirai Majuru, Paul R Hunter
BACKGROUND: Despite poor evidence of their effectiveness, colloidal silver and silver nanoparticles are increasingly being promoted for treating potentially contaminated drinking water in low income countries. Recently, however, concerns have been raised about the possible genotoxicity of particulate silver. OBJECTIVES: The goal of this paper was to review the published mammalian in vivo genotoxicity studies using silver micro and nanoparticles. METHODS: SCOPUS and Medline were searched using the following search string: ("DNA damage" OR genotox* OR Cytotox* OR Embryotox*) AND (silver OR AgNP)...
June 20, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28633414/an-extended-model-of-heartwood-secondary-metabolism-informed-by-functional-genomics
#6
Jose M Celedon, Jörg Bohlmann
The development of heartwood (HW) and the associated accumulation of secondary metabolites, which are also known as 'specialized metabolites' or 'extractives', is an important feature of tree biology. Heartwood development can affect tree health with broader implications for forest health. Heartwood development also defines a variety of wood quality traits that are important in the forest industry such as durability and colour of wood products. In the bioproducts industry, HW provides a source of high-value small molecules such as fragrances and antimicrobials...
June 14, 2017: Tree Physiology
https://www.readbyqxmd.com/read/28633411/surgeon-level-variability-in-outcomes-cost-and-comorbidity-adjusted-cost-for-elective-lumbar-decompression-and-fusion
#7
Silky Chotai, Ahilan Sivaganesan, John A Sielatycki, Kristin R Archer, Richard Call, Matthew J McGirt, Clinton J Devin
BACKGROUND: The costs and outcomes following degenerative spine surgery may vary from surgeon to surgeon. Patient factors such as comorbidities may increase the health care cost. These variations are not well studied. OBJECTIVE: To understand the variation in outcomes, costs, and comorbidity-adjusted cost for surgeons performing lumbar laminectomy and fusions surgery. METHODS: A total of 752 patients undergoing laminectomy and fusion, performed by 7 surgeons, were analyzed...
June 14, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28633003/assessment-of-selected-overdose-poisoning-indicators-in-health-care-administrative-data-in-4-states-2012
#8
Beth Hume, Barbara Gabella, Jeanne Hathaway, Scott Proescholdbell, Cristy Sneddon, Elizabeth Brutsch, Riley Hedin, Christopher J Drucker
OBJECTIVES: In 2012, a consensus document was developed on drug overdose poisoning definitions. We took the opportunity to apply these new definitions to health care administrative data in 4 states. Our objective was to calculate and compare drug (particularly opioid) poisoning rates in these 4 states for 4 selected Injury Surveillance Workgroup 7 (ISW7) drug poisoning indicators, using 2 ISW7 surveillance definitions, Option A and Option B. We also identified factors related to the health care administrative data used by each state that might contribute to poisoning rate variations...
January 1, 2017: Public Health Reports
https://www.readbyqxmd.com/read/28632781/climate-change-and-marine-fisheries-least-developed-countries-top-global-index-of-vulnerability
#9
Robert Blasiak, Jessica Spijkers, Kanae Tokunaga, Jeremy Pittman, Nobuyuki Yagi, Henrik Österblom
Future impacts of climate change on marine fisheries have the potential to negatively influence a wide range of socio-economic factors, including food security, livelihoods and public health, and even to reshape development trajectories and spark transboundary conflict. Yet there is considerable variability in the vulnerability of countries around the world to these effects. We calculate a vulnerability index of 147 countries by drawing on the most recent data related to the impacts of climate change on marine fisheries...
2017: PloS One
https://www.readbyqxmd.com/read/28631636/profiling-of-peripheral-t-cell-lymphomas-in-kerala-south-india-a-5-year-study
#10
Rekha A Nair, Jayasudha Arundhathi Vasudevan, Priya Mary Jacob, Renu Sukumaran
BACKGROUND: Peripheral T-cell lymphomas (PTCLs) are non-Hodgkin's lymphomas (NHLs) with considerable variation in incidence across the world. They show a wide variety of clinicopathological features and generally associated with poor clinical outcome. Lymphoma data from different geographic regions will definitely aid in routine clinical practice and research work. PTCLs are reported with a higher frequency in Asia as compared to Western countries. OBJECTIVE: The objective of this study was to analyze the frequency and distribution of PTCLs diagnosed in a tertiary care cancer center in Kerala...
April 2017: Indian Journal of Pathology & Microbiology
https://www.readbyqxmd.com/read/28630747/global-patterns-in-coronavirus-diversity
#11
Simon J Anthony, Christine K Johnson, Denise J Greig, Sarah Kramer, Xiaoyu Che, Heather Wells, Allison L Hicks, Damien O Joly, Nathan D Wolfe, Peter Daszak, William Karesh, W I Lipkin, Stephen S Morse, Jonna A K Mazet, Tracey Goldstein
Since the emergence of Severe Acute Respiratory Syndrome Coronavirus (SARS-CoV) and Middle East Respiratory Syndrom Coronavirus (MERS-CoV) it has become increasingly clear that bats are important reservoirs of CoVs. Despite this, only 6% of all CoV sequences in GenBank are from bats. The remaining 94% largely consist of known pathogens of public health or agricultural significance, indicating that current research effort is heavily biased towards describing known diseases rather than the 'pre-emergent' diversity in bats...
January 2017: Virus Evolution
https://www.readbyqxmd.com/read/28630699/nutritional-correlates-of-monetary-diet-cost-in-young-middle-aged-and-older-japanese-women
#12
Keiko Shiraki, Kentaro Murakami, Hitomi Okubo, M Barbara E Livingstone, Satomi Kobayashi, Hitomi Suga, Satoshi Sasaki
Studies in many Western countries have consistently shown that monetary diet cost is positively associated with diet quality, but this may not necessarily be the case in Japan. This cross-sectional study examined the nutritional correlates of monetary diet cost among 3963 young (all 18 years old), 3800 middle-aged (mean age 48 years) and 2211 older (mean age 74 years) Japanese women. Dietary intakes were assessed using a comprehensive self-administered diet history questionnaire for young and middle-aged women and a brief self-administered diet history questionnaire for older women...
2017: Journal of Nutritional Science
https://www.readbyqxmd.com/read/28629989/patient-proxy-agreement-on-the-health-related-quality-of-life-one-year-after-traumatic-brain-injury
#13
Hei-Fen Hwang, Chih-Yi Chen, Mau-Roung Lin
OBJECTIVE: To examine the level of agreement between patients and their proxies on a measure of health-related quality of life (HRQL) 1 year after traumatic brain injury (TBI). DESIGN: A cross-sectional study. PARTICIPANTS: and Setting: Eighty-eighty patients with TBI identified from discharge records of four hospitals in Taiwan and 88 family members or friends who could answer questions regarding the patient's health and HRQL 1 year after the injury...
June 16, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28629930/dining-with-dad-fathers-influences-on-family-food-practices
#14
Priya Fielding-Singh
Scholars have documented multiple barriers to healthy eating within families. This article examines an overlooked obstacle to a nutritious family diet: fathers. Using 109 in-depth interviews with middle and upper-middle class mothers, adolescents, and fathers in the United States, I show how fathers can undermine mothers' efforts to provision a healthy diet. While family members perceive mothers as committed to provisioning a healthy diet, many fathers are seen as, at best, detached and, at worst, a threat to mothers' dietary aspirations...
June 16, 2017: Appetite
https://www.readbyqxmd.com/read/28629717/sarcopenia-screened-by-the-sarc-f-questionnaire-and-physical-performances-of-elderly-women-a-cross-sectional-study
#15
Yves Rolland, Charlotte Dupuy, Gabor Abellan Van Kan, Matteo Cesari, Bruno Vellas, Marie Faruch, Cedric Dray, Philipe de Souto Barreto
OBJECTIVES: Screening for sarcopenia in daily practice can be challenging. Our objective was to explore whether the SARC-F questionnaire is a valid screening tool for sarcopenia (defined by the Foundation for the National Institutes of Health [FNIH] criteria). Moreover, we evaluated the physical performance of older women according to the SARC-F questionnaire. DESIGN: Cross-sectional study. PARTICIPANTS: Data from the Toulouse and Lyon EPIDémiologie de l'OStéoporose study (EPIDOS) on 3025 women living in the community (mean age: 80...
June 16, 2017: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/28629589/physical-exercise-and-dna-injury-good-or-evil
#16
Elisa Danese, Giuseppe Lippi, Fabian Sanchis-Gomar, Giorgio Brocco, Manfredi Rizzo, Maciej Banach, Martina Montagnana
Regular, low-intensity physical activity is currently advocated for lowering the risk of developing many acute and especially chronic diseases. However, several lines of evidence attest that strenuous exercise may enhance inflammation and trigger the generation of free radical-mediated damage, thus overwhelming the undisputable benefits of regular, medium-intensity physical activity. Since reactive oxygen species are actively generated during high-intensity exercise, and these reactive compounds are known to impact DNA stability, we review here the current evidence about strenuous exercise and DNA injury...
2017: Advances in Clinical Chemistry
https://www.readbyqxmd.com/read/28628899/correlates-of-child-abuse-potential-among-african-american-and-latina-mothers-a-developmental-ecological-perspective
#17
Adriana Espinosa, Lesia M Ruglass, Naomi Dambreville, Alina Shevorykin, Ron Nicholson, Kelly M Sykes
The child victimization rate in the US has rapidly grown over the past five years. Today, nine out of every 1000 children are victims of some type of child maltreatment, and lifetime costs of child victimization exceed $100 billion per year. Effective policies promoting fairness and child safety must target the most salient indicators of child maltreatment. In this study, we examined three groups of risk factors for child abuse potential with the goal of identifying the most prominent indicators in a sample of 170 African-American and Latina mothers...
June 16, 2017: Child Abuse & Neglect
https://www.readbyqxmd.com/read/28628818/in-vitro-assessment-of-the-toxicity-of-bushfire-emissions-a-review
#18
REVIEW
Trang T T Dong, Andrea L Hinwood, Anna C Callan, Graeme Zosky, William D Stock
Bushfires produce many toxic pollutants and the smoke has been shown to have negative effects on human health, especially to the respiratory system. Bushfires are predicted to increase in size and frequency, leading to a greater incidence of smoke and impacts. While there are many epidemiological studies of the potential impact on populations, there are few studies using in vitro methods to investigate the biological effects of bushfire emissions to better understand its toxicity and significance. This review focused on the literature pertaining to in vitro toxicity testing to determine the state of knowledge on current methods and findings on the impacts of bushfire smoke...
June 16, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28628560/genetic-coding-variants-in-the-niacin-receptor-hydroxyl-carboxylic-acid-receptor-2-and-response-to-niacin-therapy
#19
Sony Tuteja, Lu Wang, Richard L Dunbar, Jinbo Chen, Stephanie DerOhannessian, Santica M Marcovina, Marshall Elam, Ellis Lader, Daniel J Rader
OBJECTIVE: Niacin has been used for seven decades to modulate plasma lipids, but its mechanism of action is still unclear. We sought to determine whether variants in the niacin receptor gene, hydroxyl-carboxylic receptor 2 (HCAR2), are associated with lipid response to treatment. PARTICIPANTS AND METHODS: Coding variants, rs7314976 (p.R311C) and rs2454727 (p.M317I), were genotyped in 2067 participants from the Atherothrombosis Intervention in Metabolic Syndrome with Low HDL/High Triglycerides and Impact on Global Health Outcomes (AIM-HIGH) trial...
June 16, 2017: Pharmacogenetics and Genomics
https://www.readbyqxmd.com/read/28627730/does-involvement-of-local-ngos-enhance-public-service-delivery-cautionary-evidence-from-a-malaria-prevention-program-in-india
#20
Ashis Das, Jed Friedman, Eeshani Kandpal
Partnerships between government and non-state actors that aim to enhance the quality or efficiency of service delivery are increasingly common in today's development policy landscape. We investigate the impacts of such an approach using data from an experimental supportive intervention to India's malaria control program that leveraged local non-state capacity in order to promote mosquito net usage and recommended fever care-seeking patterns. The supportive activities were conducted simultaneously by 3 NGOs, contracted out by the Indian government, in 2 endemic districts in the state of Odisha...
June 19, 2017: Health Economics
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