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Disease infectious

Joceline Lega, Heidi E Brown
Recent events have thrown the spotlight on infectious disease outbreak response. We developed a data-driven method, EpiGro, which can be applied to cumulative case reports to estimate the order of magnitude of the duration, peak and ultimate size of an ongoing outbreak. It is based on a surprisingly simple mathematical property of many epidemiological data sets, does not require knowledge or estimation of disease transmission parameters, is robust to noise and to small data sets, and runs quickly due to its mathematical simplicity...
October 11, 2016: Epidemics
T Akhvlediani, N Akhvlediani, T Kuchuloria
Health care associated infections are the most frequent adverse event accompanying healthcare delivery worldwide. Of these, respiratory tract infections, including ventilator-associated pneumonia (VAP), have been recognized as the most common infections in acute hospitals. Sparse anecdotal and epidemiologic data from intensive care units (ICU) and infectious diseases physicians, as well as several publications in this field, suggest that the etiology of VAP in Georgia is most likely Klebsiella pneumoniae. This review article discusses the challenges of infection control in the Georgian health care system, with a focus on VAP...
September 2016: Georgian Medical News
Katsuhiko Hirota, Hiromichi Yumoto, Bayarmagnai Sapaar, Takashi Matsuo, Tetsuo Ichikawa, Yoichiro Miyake
Candida albicans is commonly found as a member of the human microflora and a major human opportunistic fungal pathogen. A perturbation of the microbiome can lead to infectious diseases caused by various microorganisms, including C. albicans. Moreover, the interactions between C. albicans and bacteria are considered to play critical roles in human health. The major biological feature of C. albicans, which impacts human health, resides in its ability to form biofilms. In particular, the extracellular matrix (ECM) of Candida biofilm plays a multifaceted role and therefore may be considered as a highly attractive target to combat biofilm-related infectious diseases...
October 21, 2016: Journal of Applied Microbiology
Nibal R Chamoun, Rony Zeenny, Hanine Mansour
Background Pharmacists' involvement in patient care has improved the quality of care and reduced medication errors. However, this has required a lot of work that could not have been accomplished without documentation of interventions. Several means of documenting errors have been proposed in the literature but without a consistent comprehensive process. Recently, the American College of Clinical Pharmacy (ACCP) recognized that pharmacy practice lacks a consistent process for direct patient care and discussed several options for a pharmaceutical care plan, essentially encompassing medication therapy assessment, development and implementation of a pharmaceutical care plan and finally evaluation of the outcome...
October 21, 2016: International Journal of Clinical Pharmacy
E Proksch, D Dähnhardt, S Dähnhardt-Pfeiffer, R Fölster-Holst
The permeability barrier plays an important role in numerous skin diseases. Particularly well known is the importance of this barrier in eczema. In irritative-toxic contact dermatitis, the first step in the pathogenesis is the disturbance of the permeability barrier by irritative-toxic noxious substances. Only after damage to the barrier is achieved can irritants and allergens penetrate into the living epidermis. In atopic eczema due to an impaired barrier, allergens penetrate from the environment into the skin and cause or worsen the eczema...
October 21, 2016: Der Hautarzt; Zeitschrift Für Dermatologie, Venerologie, und Verwandte Gebiete
Douglas W Jones, Kirsten Dansey, Allen D Hamdan
Patients with end-stage renal disease (ESRD) who present with critical limb ischemia (CLI) have become an increasingly common and complex treatment problem for vascular surgeons. Dialysis patients have high short-term mortality rates regardless of whether revascularization is pursued. ESRD patients with CLI can be managed with: local wound care, endovascular or surgical revascularization, or amputation. Some patients may heal small foot wounds with local wound care alone, even if distal perfusion is marginal, as long as any infectious process has been controlled...
October 20, 2016: Vascular and Endovascular Surgery
Ricardo Ferrer, Rafael Zaragoza, Alejandro H Rodríguez, Emilio Maseda, Pedro Llinares, Santiago Grau, Francisco Álvarez-Lerma, Guillermo Quindós, Miguel Salavert, Rafael Huarte
BACKGROUND: Although the management of invasive fungal infection (IFI) has improved, a number of controversies persist regarding the approach to invasive fungal infection in non-neutropenic medical ward patients. AIMS: To identify the essential clinical knowledge to elaborate a set of recommendations with a high level of consensus necessary for the management of IFI in non-neutropenic medical ward patients. METHODS: A prospective, Spanish questionnaire, which measures consensus through the Delphi technique, was anonymously answered and e-mailed by 30 multidisciplinary national experts, all specialists (intensivists, anesthesiologists, microbiologists, pharmacologists and specialists in infectious diseases) in IFI and belonging to six scientific national societies...
October 18, 2016: Revista Iberoamericana de Micología
Yeshwondm Mamuye, Balkachew Nigatu, Delayehu Bekele, Mekonen Getahun
BACKGROUND: Maternal cytomegalovirus (CMV) and Rubella infections result in adverse neonatal outcomes. Both CMV and Rubella are more widespread in developing countries and in communities with lower socioeconomic status. Thus, the aim of this study was to determine IgM specific to CMV and Rubella among newborns and Maternal CMV-seroprevalence and to identify risk factors. METHOD AND FINDING: Using cross sectional study design a total of 312 (156 newborns and 156 mothers) study participants were recruited by simple random sampling technique from gynecology outpatient department (OPD) and ward, starting from April 1, 2015 to June 30, 2015...
October 21, 2016: BMC Research Notes
Katsiaryna Holl, Christophe Sauboin, Emanuele Amodio, Paolo Bonanni, Giovanni Gabutti
BACKGROUND: Varicella is a highly infectious disease with a significant public health and economic burden, which can be prevented with childhood routine varicella vaccination. Vaccination strategies differ by country. Some factors are known to play an important role (number of doses, coverage, dosing interval, efficacy and catch-up programmes), however, their relative impact on the reduction of varicella in the population remains unclear. This paper aims to help policy makers prioritise the critical factors to achieve the most successful vaccination programme with the available budget...
October 21, 2016: BMC Public Health
Kelly R Moran, Sara Y Del Valle
Respiratory infectious disease epidemics and pandemics are recurring events that levy a high cost on individuals and society. The health-protective behavioral response of the public plays an important role in limiting respiratory infectious disease spread. Health-protective behaviors take several forms. Behaviors can be categorized as pharmaceutical (e.g., vaccination uptake, antiviral use) or non-pharmaceutical (e.g., hand washing, face mask use, avoidance of public transport). Due to the limitations of pharmaceutical interventions during respiratory epidemics and pandemics, public health campaigns aimed at limiting disease spread often emphasize both non-pharmaceutical and pharmaceutical behavioral interventions...
2016: PloS One
Aaron S Kesselheim, Wesley Eddings, Tara Raj, Eric G Campbell, Jessica M Franklin, Kathryn M Ross, Lisa A Fulchino, Jerry Avorn, Joshua J Gagne
BACKGROUND: Generic drugs are cost-effective versions of brand-name drugs approved by the Food and Drug Administration (FDA) following proof of pharmaceutical equivalence and bioequivalence. Generic drugs are widely prescribed by physicians, although there is disagreement over the clinical comparability of generic drugs to brand-name drugs within the physician community. The objective of this survey was to assess physicians' perceptions of generic drugs and the generic drug approval process...
2016: PloS One
Xin Yao, Lian-Lian Bian, Wei-Wei Lu, Jing-Xin Li, Qun-Ying Mao, Yi-Ping Wang, Fan Gao, Xing Wu, Qiang Ye, Xiu-Ling Li, Feng-Cai Zhu, Zhenglun Liang
Herpangina (HA) and hand, foot, and mouth disease (HFMD) are common infectious diseases caused by human enteroviruses and frequently occurr in young children. Previous published studies have mainly focused on HFMD, while the HA epidemiological and etiological characteristics in mainland China have not been described. From June, 2013 to March, 2014, HA and HFMD patients were monitored in participants from clinical trial of EV-A71 vaccine conducted during 2012-2013. A total of 95 HA patients and 161 HFMD patients were defined...
October 21, 2016: Human Vaccines & Immunotherapeutics
Russell Byrum, Lauren Keith, Christopher Bartos, Marisa St Claire, Matthew G Lackemeyer, Michael R Holbrook, Krisztina Janosko, Jason Barr, Daniela Pusl, Laura Bollinger, Jiro Wada, Linda Coe, Lisa E Hensley, Peter B Jahrling, Jens H Kuhn, Margaret R Lentz
Medical imaging using animal models for human diseases has been utilized for decades; however, until recently, medical imaging of diseases induced by high-consequence pathogens has not been possible. In 2014, the National Institutes of Health, National Institute of Allergy and Infectious Diseases, Integrated Research Facility at Fort Detrick opened an Animal Biosafety Level 4 (ABSL-4) facility to assess the clinical course and pathology of infectious diseases in experimentally infected animals. Multiple imaging modalities including computed tomography (CT), magnetic resonance imaging, positron emission tomography, and single photon emission computed tomography are available to researchers for these evaluations...
October 3, 2016: Journal of Visualized Experiments: JoVE
J Kyle Bohannon, Krisztina Janosko, Michael R Holbrook, Jason Barr, Daniela Pusl, Laura Bollinger, Linda Coe, Lisa E Hensley, Peter B Jahrling, Jiro Wada, Jens H Kuhn, Matthew G Lackemeyer
Aerosol or inhalational studies of high-consequence pathogens have recently been increasing in number due to the perceived threat of intentional aerosol releases or unexpected natural aerosol transmission. Specific laboratories designed to perform these experiments require tremendous engineering controls to provide a safe and secure working environment and constant systems maintenance to sustain functionality. Class III biosafety cabinets, also referred to as gloveboxes, are gas-tight enclosures with non-opening windows...
October 3, 2016: Journal of Visualized Experiments: JoVE
Neige M Journy, Kieran McHugh, Richard W Harbron, Mark S Pearce, Amy Berrington de Gonzalez
OBJECTIVE: To describe medical conditions associated with the use of CT in children or young adults with no previous cancer diagnosis. METHODS: Radiologists' reports for scans performed in 1995-2008 in patients <22 years of age were collected from the Radiology Information System in 44 hospitals of Great Britain. By semantic search, an automated procedure identified 192 medical conditions within the radiologists' reports. Manual validation of a subsample by a paediatric radiologist showed a satisfactory performance of the automatic coding procedure...
October 21, 2016: British Journal of Radiology
Christian Weber, Mikael Koutero, Marie-Agnes Dillies, Hugo Varet, Cesar Lopez-Camarillo, Jean Yves Coppée, Chung-Chau Hon, Nancy Guillén
Amoebiasis is a human infectious disease due to the amoeba parasite Entamoeba histolytica. The disease appears in only 20% of the infections. Diversity in phenotypes may occur within the same infectious strain in the gut; for instance, parasites can be commensal (in the intestinal lumen) or pathogenic (inside the tissue). The degree of pathogenesis of clinical isolates varies greatly. These findings raise the hypothesis that genetic derivation may account for amoebic diverse phenotypes. The main goal of this study was to analyse gene expression changes of a single virulent amoebic strain in different environmental contexts where it exhibit different degrees of virulence, namely isolated from humans and maintained through animal liver passages, in contact with the human colon and short or prolonged in vitro culture...
October 21, 2016: Scientific Reports
Jayasundara Mudiyanselage Kanchana Ganga Kumari Jayasundara, Stephen William Walkden-Brown, Magaret Elizabeth Katz, A F M Fakhrul Islam, Katrin Gondola Renz, Jody McNally, Peter Hunt
Infectious bursal disease virus (IBDV) is endemic to most poultry-producing countries worldwide. Immunosuppressive classical and variant IBDV strains endemic to Australia are genetically distinct from other international strains. We report the results of infection experiments with Australian classical strain 06/95 and variant strain 02/95 in specific pathogen free (SPF) chickens. We tested the effects of strain and age of infection on bursal atrophy, viral RNA (vRNA) load in bursa of Fabricius (bursa), spleen, thymus, caecal tonsils, faeces, litter and exhaust dust as determined by real time reverse transcriptase polymerase chain reaction (qRT-PCR)...
October 21, 2016: Avian Pathology: Journal of the W.V.P.A
Emily L Clark, Madhu Emmadi, Katharine L Krupp, Ananda R Podilapu, Jennifer D Helble, Suvarn S Kulkarni, Danielle H Dube
Bacterial glycans contain rare, exclusively bacterial monosaccharides that are frequently linked to pathogenesis and essentially absent from human cells. Therefore, bacterial glycans are intriguing molecular targets. However, systematic discovery of bacterial glycoproteins is hampered by the presence of rare deoxy amino sugars, which are refractory to traditional glycan-binding reagents. Thus, the development of chemical tools that label bacterial glycans is a crucial step toward discovering and targeting these biomolecules...
October 21, 2016: ACS Chemical Biology
Athanasios Tragiannidis, Ioannis Kyriakidis, Ilse Zündorf, Andreas H Groll
Macromolecular immunosuppressive monoclonal antibodies and fusion proteins directed against molecules or cells involved in inflammation and immunity represent a recent and important addition to our therapeutic armamentarium. Tumor necrosis alpha (TNFα) is a cytokine involved in systemic inflammation and clinical utilization of its antagonists has revolutionized treatment of juvenile rheumatoid and psoriatic arthritis, ankylosing spondylitis, Crohn's disease, ulcerative colitis, and plaque psoriasis. Clinical utility has also been demonstrated for use against steroid-refractory graft-vs-host disease and other immune-mediated conditions...
October 21, 2016: Mycoses
Maria Pia Bondioni, Vassilios Lougaris, Giuseppe Di Gaetano, Tiziana Lorenzini, Annarosa Soresina, Francesco Laffranchi, Diego Gatta, Alessandro Plebani
PURPOSE: The purpose of this study is to evaluate the possibility of early detection of pulmonary fungal infections by lung CT scan in chronic granulomatous disease (CGD). METHODS: A retrospective study on 14 patients affected with CGD for a total of 18 infectious episodes was performed. Revision of clinical data and CT scan analysis before and after treatment was performed. RESULTS: The presence of lung nodules <30 mm was evaluated in 18 infectious episodes in 14 patients...
October 21, 2016: Journal of Clinical Immunology
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