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Emerging Infectious Disease

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https://www.readbyqxmd.com/read/28453581/-a-score-to-predict-medical-emergencies-in-hospitalized-patients
#1
Claudia Cofré, Gabriel Cavada, César Maquilón, Paula Daza, Ángel Vargas, Antonio Vukusich
BACKGROUND: The medical alert system (MAS) was created for the timely handling of clinical decompensations, experienced by patients hospitalized at the Medical Surgical Service (MSS) in a private clinic. It is activated by the nurse when hemodynamic, respiratory, neurological, infectious or metabolic alterations appear, when a patient falls or complains of pain. A physician assesses the patient and decides further therapy. AIM: To analyze the clinical and demographic characteristics of patients who activated or not the MAS and develop a score to identify patients who will potentially activate MAS...
February 2017: Revista Médica de Chile
https://www.readbyqxmd.com/read/28453429/anti-microbial-coating-innovations-to-prevent-infectious-diseases-amici-cost-action-ca15114
#2
Colum P Dunne, Minna M Keinänen-Toivola, Anne Kahru, Birgit Teunissen, Hulya Olmez, Isabel Gouveia, Luis Melo, Kazimierz Murzyn, Martina Modic, Merja Ahonen, Pete Askew, Theofilos Papadopoulos, Christian Adlhart, Francy R L Crijns
Worldwide, millions of patients are affected annually by healthcare-associated infection (HCAI), impacting up to 80,000 patients in European Hospitals on any given day. This represents not only public health risk, but also an economic burden. Complementing routine hand hygiene practices, cleaning and disinfection, antimicrobial coatings hold promise based, in essence, on the application of materials and chemicals with persistent bactericidal or -static properties onto surfaces or in textiles used in healthcare environments...
April 28, 2017: Bioengineered
https://www.readbyqxmd.com/read/28448517/cryptic-chytridiomycosis-linked-to-climate-and-genetic-variation-in-amphibian-populations-of-the-southeastern-united-states
#3
Ariel A Horner, Eric A Hoffman, Matthew R Tye, Tyler D Hether, Anna E Savage
North American amphibians have recently been impacted by two major emerging pathogens, the fungus Batrachochytrium dendrobatidis (Bd) and iridoviruses in the genus Ranavirus (Rv). Environmental factors and host genetics may play important roles in disease dynamics, but few studies incorporate both of these components into their analyses. Here, we investigated the role of environmental and genetic factors in driving Bd and Rv infection prevalence and severity in a biodiversity hot spot, the southeastern United States...
2017: PloS One
https://www.readbyqxmd.com/read/28446339/progress-in-the-optimization-of-4-1h-quinolone-derivatives-as-antimalarials-targeting-the-erythrocytic-the-exoerythrocytic-and-the-transmitting-stages-of-the-malaria-parasite
#4
Fabian Brockmeyer, Roman Manetsch
Malaria is one of the leading infectious diseases occurring mainly in tropical and subtropical areas. Although available antimalarial tools have reduced the number of fatalities, there is still an urgent need for the development of new and more efficacious treatments to cure and eradicate malaria especially due to emerging resistance to all antimalarial drugs. Research was initiated to revisit antimalarial compounds which were deemed unsuitable as a result of poor understanding of physicochemical properties and the optimization thereof...
April 26, 2017: Chimia
https://www.readbyqxmd.com/read/28445704/development-of-standard-methods-for-zika-virus-propagation-titration-and-purification
#5
Sharton Vinicius Antunes Coelho, Rômulo Leão Silva Neris, Michelle Premazzi Papa, Laila Castro Schnellrath, Lana Monteiro Meuren, Diogo A Tschoeke, Luciana Leomil, Brunno Renato Farias Verçoza, Milene Miranda, Fabiano L Thompson, Andrea Thompson Da Poian, Thiago Moreno L Souza, Fabiana Avila Carneiro, Clarissa R Damaso, Iranaia Assunção-Miranda, Luciana Barros de Arruda
The emergence of Zika virus (ZIKV) infection has stimulated several research groups to study and collaborate to understand virus biology and pathogenesis. These efforts may assist with the development of antiviral drugs, vaccines and diagnostic tests, as well as to promote advancements in public health policies. Here, we aim to develop standard protocols for propagation, titration, and purification of Asian and Brazilian ZIKV strains, by systematically testing different cell types, kinetics, multiplicity of infection and centrifugation protocols...
April 23, 2017: Journal of Virological Methods
https://www.readbyqxmd.com/read/28444080/rhabdomyolysis-as-a-manifestation-of-a-metabolic-disease-a-case-report
#6
Marta Sousa Moniz, Maria Inês Mascarenhas, Carlos Escobar, Pedro Nunes, Clara Abadesso, Helena Loureiro, Helena Almeida
Rhabdomyolysis is a process of muscle destruction that can present with varying clinical manifestations. In pediatric patients, its main etiology is infectious diseases. We present a previously healthy adolescent who was admitted to our emergency department with a four-day history of myalgia, muscle weakness and dark urine. At presentation, she was dehydrated. Blood analysis revealed acute renal failure and increased muscular enzymes. She was transferred to our pediatric intensive care unit. Medical therapies for correction of dehydration and the ionic and metabolic consequences of renal failure were performed...
January 2017: Revista Brasileira de Terapia Intensiva
https://www.readbyqxmd.com/read/28442755/global-and-local-environmental-changes-as-drivers-of-buruli-ulcer-emergence
#7
REVIEW
Marine Combe, Camilla Jensen Velvin, Aaron Morris, Andres Garchitorena, Kevin Carolan, Daniel Sanhueza, Benjamin Roche, Pierre Couppié, Jean-François Guégan, Rodolphe Elie Gozlan
Many emerging infectious diseases are caused by generalist pathogens that infect and transmit via multiple host species with multiple dissemination routes, thus confounding the understanding of pathogen transmission pathways from wildlife reservoirs to humans. The emergence of these pathogens in human populations has frequently been associated with global changes, such as socio-economic, climate or biodiversity modifications, by allowing generalist pathogens to invade and persist in new ecological niches, infect new host species, and thus change the nature of transmission pathways...
April 26, 2017: Emerging Microbes & Infections
https://www.readbyqxmd.com/read/28440550/political-drivers-of-epidemic-response-foreign-healthcare-workers-and-the-2014-ebola-outbreak
#8
Daniel Nohrstedt, Erik Baekkeskov
This study demonstrates that countries responded quite differently to calls for healthcare workers (HCWs) during the Ebola epidemic in West Africa in 2014. Using a new dataset on the scale and timing of national pledges and the deployment of HCWs to states experiencing outbreaks of the virus disease (principally, Guinea, Liberia, and Sierra Leone), it shows that few foreign nations deployed HCWs early, some made pledges but then fulfilled them slowly, and most sent no HCWs at all. To aid understanding of such national responses, the paper reviews five theoretical perspectives that offer potentially competing or complementary explanations of foreign government medical assistance for international public health emergencies...
April 25, 2017: Disasters
https://www.readbyqxmd.com/read/28440203/antimicrobial-biofilm-inhibitory-and-anti-infective-activity-of-metallic-nanoparticles-against-multi-drug-resistant-mrsa-and-pseudomonas-aeruginosa-pa01
#9
Jamuna Bai Ashwathanarayan, Ravishankar Rai Vittal
BACKGROUND: The emergence of drug resistant pathogens is a major concern to the scientific community. Novel approaches such as the use of functionalized nanomaterials with antimicrobial activity is required to treat infectious diseases. OBJECTIVE: In the present study, the metallic nanoparticles (iron, gold, zinc oxide and copper oxide) were evaluated for the antimicrobial, biofilm inhibitory and anti-infective activity against human pathogens methicillin resistant Staphylococcus aureus and Pseudomonas aeruginosa PA01...
April 24, 2017: Pharmaceutical Nanotechnology
https://www.readbyqxmd.com/read/28438918/does-the-impact-of-biodiversity-differ-between-emerging-and-endemic-pathogens-the-need-to-separate-the-concepts-of-hazard-and-risk
#10
REVIEW
Parviez R Hosseini, James N Mills, Anne-Hélène Prieur-Richard, Vanessa O Ezenwa, Xavier Bailly, Annapaola Rizzoli, Gerardo Suzán, Marion Vittecoq, Gabriel E García-Peña, Peter Daszak, Jean-François Guégan, Benjamin Roche
Biodiversity is of critical value to human societies, but recent evidence that biodiversity may mitigate infectious-disease risk has sparked controversy among researchers. The majority of work on this topic has focused on direct assessments of the relationship between biodiversity and endemic-pathogen prevalence, without disentangling intervening mechanisms; thus study outcomes often differ, fuelling more debate. Here, we suggest two critical changes to the approach researchers take to understanding relationships between infectious disease, both endemic and emerging, and biodiversity that may help clarify sources of controversy...
June 5, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28438915/conservation-development-and-the-management-of-infectious-disease-avian-influenza-in-china-2004-2012
#11
Tong Wu, Charles Perrings
There is growing evidence that wildlife conservation measures have mixed effects on the emergence and spread of zoonotic disease. Wildlife conservation has been found to have both positive (dilution) and negative (contagion) effects. In the case of avian influenza H5N1 in China, the focus has been on negative effects. Lakes and wetlands attracting migrating waterfowl have been argued to be disease hotspots. We consider the implications of waterfowl conservation for H5N1 infections in both poultry and humans between 2004 and 2012...
June 5, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28438914/does-deforestation-promote-or-inhibit-malaria-transmission-in-the-amazon-a-systematic-literature-review-and-critical-appraisal-of-current-evidence
#12
REVIEW
Joanna M Tucker Lima, Amy Vittor, Sami Rifai, Denis Valle
Considerable interest in the relationship between biodiversity and disease has recently captured the attention of the research community, with important public policy implications. In particular, malaria in the Amazon region is often cited as an example of how forest conservation can improve public health outcomes. However, despite a growing body of literature and an increased understanding of the relationship between malaria and land use / land cover change (LULC) in Amazonia, contradictions have emerged. While some studies report that deforestation increases malaria risk, others claim the opposite...
June 5, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28438912/effects-of-conservation-management-of-landscapes-and-vertebrate-communities-on-lyme-borreliosis-risk-in-the-united-kingdom
#13
REVIEW
Caroline Millins, Lucy Gilbert, Jolyon Medlock, Kayleigh Hansford, Des Ba Thompson, Roman Biek
Landscape change and altered host abundance are major drivers of zoonotic pathogen emergence. Conservation and biodiversity management of landscapes and vertebrate communities can have secondary effects on vector-borne pathogen transmission that are important to assess. Here we review the potential implications of these activities on the risk of Lyme borreliosis in the United Kingdom. Conservation management activities include woodland expansion, management and restoration, deer management, urban greening and the release and culling of non-native species...
June 5, 2017: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/28437813/presenting-symptoms-of-pituitary-apoplexy
#14
Efstratios-Stylianos Pyrgelis, Ioannis Mavridis, Maria Meliou
The classical term "pituitary apoplexy" (PA) describes a clinical syndrome usually characterized by abrupt onset of headache accompanied by neurologic and/or endocrinologic deterioration due to sudden expansion of a mass within the sella turcica as a result of hemorrhage or infarction within a pituitary tumor and adjacent pituitary gland. PA is a medical emergency and a difficult diagnosis to establish. Thus this article reviews the presenting symptoms of PA patients to help clinicians recognize or at least suspect this critical condition early on...
April 24, 2017: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/28435260/development-of-gold-nanoparticles-coated-with-silica-containing-the-antibiofilm-drug-cinnamaldehyde-and-their-effects-on-pathogenic-bacteria
#15
Mohankandhasamy Ramasamy, Jin-Hyung Lee, Jintae Lee
Emerging resistance to antibiotics is a mounting worldwide health concern and increases the need for nonantibiotic strategies to combat infectious diseases caused by bacterial pathogens. In this study, the authors used the antibiofilm activity of the naturally occurring antimicrobial cinnamaldehyde (CNMA) conjugated to the surface of gold nanoparticles (GNPs) to deliver CNMA efficiently and eradicate biofilms of Gram-negative organisms (enterohemorrhagic Escherichia coli O157:H7, and Pseudomonas aeruginosa), Gram positive (methicillin-sensitive Staphylococcus aureus organisms, and methicillin-resistant Staphylococcus aureus) bacteria...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28431554/a-need-to-accelerate-health-research-productivity-in-an-african-university-the-case-of-makerere-university-college-of-health-sciences
#16
Damalie Nakanjako, Dickens Akena, Dan K Kaye, James Tumwine, Elialilia Okello, Annettee Nakimuli, Andrew Kambugu, Hazel McCullough, Harriet Mayanja-Kizza, Moses R Kamya, Nelson K Sewankambo
BACKGROUND: In the last decade, Makerere University College of Health Sciences (MakCHS) has taken strides in research and training to improve healthcare through collaborative training and research programs. However, there is limited data on the trends of MakCHS faculty contributions to research and on faculty growth to take leading roles in health research. This paper reviews MakCHS faculty research publications over 15.5 years and outlines possible strategies to enhance faculty research outputs...
April 21, 2017: Health Research Policy and Systems
https://www.readbyqxmd.com/read/28431008/diabetes-mellitus-as-the-major-risk-factor-for-mucormycosis-in-mexico-epidemiology-diagnosis-and-outcomes-of-reported-cases
#17
Dora E Corzo-León, Luis D Chora-Hernández, Ana P Rodríguez-Zulueta, Thomas J Walsh
Mucormycosis is an emerging infectious disease with high rates of associated mortality and morbidity. Little is known about the characteristics of mucormycosis or entomophthoromycosis occurring in Mexico. A search strategy was performed of literature published in journals found in available databases and theses published online at Universidad Nacional Autónoma de México (UNAM) library website reporting clinical cases or clinical case series of mucormycosis and entomophthoromycosis occurring in Mexico between 1982 and 2016...
April 20, 2017: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/28428164/zika-in-twitter-temporal-variations-of-locations-actors-and-concepts
#18
Anthony Stefanidis, Emily Vraga, Georgios Lamprianidis, Jacek Radzikowski, Paul L Delamater, Kathryn H Jacobsen, Dieter Pfoser, Arie Croitoru, Andrew Crooks
BACKGROUND: The recent Zika outbreak witnessed the disease evolving from a regional health concern to a global epidemic. During this process, different communities across the globe became involved in Twitter, discussing the disease and key issues associated with it. This paper presents a study of this discussion in Twitter, at the nexus of location, actors, and concepts. OBJECTIVE: Our objective in this study was to demonstrate the significance of 3 types of events: location related, actor related, and concept related, for understanding how a public health emergency of international concern plays out in social media, and Twitter in particular...
April 20, 2017: JMIR Public Health and Surveillance
https://www.readbyqxmd.com/read/28427535/pathogens-of-food-animals-sources-characteristics-human-risk-and-methods-of-detection
#19
Catherine M Logue, Nicolle L Barbieri, Daniel W Nielsen
Pathogens associated with food production (livestock) animals come in many forms causing a multitude of disease for humans. For the purpose of this review, these infectious agents can be divided into three broad categories: those that are associated with bacterial disease, those that are associated with viruses, and those that are parasitic in nature. The goal of this chapter is to provide the reader with an overview of the most common pathogens that cause disease in humans through exposure via the food chain and the consequence of this exposure as well as risk and detection methods...
2017: Advances in Food and Nutrition Research
https://www.readbyqxmd.com/read/28425422/mass-mortality-of-eastern-box-turtles-with-upper-respiratory-disease-following-atypical-cold-weather
#20
Mickey Agha, Steven J Price, A Justin Nowakowski, Ben Augustine, Brian D Todd
Emerging infectious diseases cause population declines in many ectotherms, with outbreaks frequently punctuated by periods of mass mortality. It remains unclear, however, whether thermoregulation by ectotherms and variation in environmental temperature is associated with mortality risk and disease progression, especially in wild populations. Here, we examined environmental and body temperatures of free-ranging eastern box turtles Terrapene carolina during a mass die-off coincident with upper respiratory disease...
April 20, 2017: Diseases of Aquatic Organisms
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