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https://www.readbyqxmd.com/read/28641373/estimating-influenza-vaccine-effectiveness-in-the-test-negative-design-using-alternative-control-groups-a-systematic-review-and-meta-analysis
#1
Shuo Feng, Benjamin J Cowling, Heath Kelly, Sheena G Sullivan
One important assumption in case-control studies is that control selection should be independent of exposure. Nevertheless, it has been hypothesized that virus interference might lead to a correlation between receipt of influenza vaccination and increased risk of infection with other respiratory viruses. We investigated if such a phenomenon might affect a commonly used study design to estimate influenza vaccination effectiveness (VE). We searched publications in Medline, PubMed and Web of Science. Twelve studies were identified reporting VE estimates using the test-negative design by three alternative control groups: (1) all patients testing negative for influenza, VEFLU-, (2) patients who tested positive for other respiratory viruses, VEORV+, or (3) patients who tested negative for all viruses tested, VEPAN-...
June 21, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28640813/identification-of-a-sj%C3%A3-gren-s-syndrome-susceptibility-locus-at-oas1-that-influences-isoform-switching-protein-expression-and-responsiveness-to-type-i-interferons
#2
He Li, Tove Ragna Reksten, John A Ice, Jennifer A Kelly, Indra Adrianto, Astrid Rasmussen, Shaofeng Wang, Bo He, Kiely M Grundahl, Stuart B Glenn, Corinne Miceli-Richard, Simon Bowman, Sue Lester, Per Eriksson, Maija-Leena Eloranta, Johan G Brun, Lasse G Gøransson, Erna Harboe, Joel M Guthridge, Kenneth M Kaufman, Marika Kvarnström, Deborah S Cunninghame Graham, Ketan Patel, Adam J Adler, A Darise Farris, Michael T Brennan, James Chodosh, Rajaram Gopalakrishnan, Michael H Weisman, Swamy Venuturupalli, Daniel J Wallace, Kimberly S Hefner, Glen D Houston, Andrew J W Huang, Pamela J Hughes, David M Lewis, Lida Radfar, Evan S Vista, Contessa E Edgar, Michael D Rohrer, Donald U Stone, Timothy J Vyse, John B Harley, Patrick M Gaffney, Judith A James, Sean Turner, Ilias Alevizos, Juan-Manuel Anaya, Nelson L Rhodus, Barbara M Segal, Courtney G Montgomery, R Hal Scofield, Susan Kovats, Xavier Mariette, Lars Rönnblom, Torsten Witte, Maureen Rischmueller, Marie Wahren-Herlenius, Roald Omdal, Roland Jonsson, Wan-Fai Ng, Gunnel Nordmark, Christopher J Lessard, Kathy L Sivils
Sjögren's syndrome (SS) is a common, autoimmune exocrinopathy distinguished by keratoconjunctivitis sicca and xerostomia. Patients frequently develop serious complications including lymphoma, pulmonary dysfunction, neuropathy, vasculitis, and debilitating fatigue. Dysregulation of type I interferon (IFN) pathway is a prominent feature of SS and is correlated with increased autoantibody titers and disease severity. To identify genetic determinants of IFN pathway dysregulation in SS, we performed cis-expression quantitative trait locus (eQTL) analyses focusing on differentially expressed type I IFN-inducible transcripts identified through a transcriptome profiling study...
June 22, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28633052/disinfection-efficiencies-of-sage-and-spearmint-essential-oils-against-planktonic-and-biofilm-staphylococcus-aureus-cells-in-comparison-with-sodium-hypochlorite
#3
Dimitrios Vetas, Eleni Dimitropoulou, Gregoria Mitropoulou, Yiannis Kourkoutas, Efstathios Giaouris
Staphylococcus aureus causes human infections and foodborne intoxications. This study explored the potential antibacterial actions of sage and spearmint essential oils (EOs) against both its planktonic and biofilm cells, in comparison with sodium hypochlorite (NaOCl), a commonly applied chemical sanitizer. Initially, the minimum inhibitory and bactericidal concentrations (MICs, MBCs) of each plant mixture were determined against planktonic cultures, following growth at 30°C for 24h. Stationary phase planktonic bacteria were then individually exposed for 6min to either each EO (applied at 1-2×MBC; 2...
June 8, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28631809/anabolic-steroids-for-treating-pressure-ulcers
#4
REVIEW
Cho Naing, Maxine A Whittaker
BACKGROUND: Pressure ulcers, also known as bed sores, pressure sores or decubitus ulcers develop as a result of a localised injury to the skin or underlying tissue, or both. The ulcers usually arise over a bony prominence, and are recognised as a common medical problem affecting people confined to a bed or wheelchair for long periods of time. Anabolic steroids are used as off-label drugs (drugs which are used without regulatory approval) and have been used as adjuvants to usual treatment with dressings, debridement, nutritional supplements, systemic antibiotics and antiseptics, which are considered to be supportive in healing of pressure ulcers...
June 20, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28629317/surface-hypothermia-predicts-murine-mortality-in-the-intragastric-vibrio-vulnificus-infection-model
#5
Hannah E Gavin, Karla J F Satchell
BACKGROUND: The Gram-negative bacterium Vibrio vulnificus can cause severe disease in humans who consume undercooked, contaminated seafood. To study food-borne V. vulnificus disease in the laboratory, mouse virulence studies predominantly use death as the primary experimental endpoint because behaviorally based moribund status does not consistently predict lethality. This study assessed ventral surface temperature (VST) and its association with mouse survival during V. vulnificus virulence studies as an efficacious, humane alternative...
June 19, 2017: BMC Microbiology
https://www.readbyqxmd.com/read/28625840/survival-of-litopenaeus-vannemei-shrimp-fed-on-diets-supplemented-with-dunaliella-sp-is-improved-after-challenges-by-vibrio-parahaemolyticus
#6
Diana Medina Félix, José Antonio López Elías, Ángel Isidro Campa Córdova, Luis Rafael Martínez Córdova, Antonio Luna González, Edilmar Cortez Jacinto, Nolberta Huerta Aldaz, Fernando Cano Mendoza, María Guadalupe Burboa Zazueta
Survival of Litopenaeus vannamei was evaluated during a Vibrio parahaemolyticus infection. This bacteria has been causing significant economic losses in the shrimp industry due to the appearance of early mortality syndrome (EMS), also known as acute hepatopancreatic necrosis disease (AHPND). Control of bacteria in ponds is difficult to achieve with antibiotics due to environmental infections and antibiotic resistance. New methods have been proposed to control and prevent the impact of bacterial infections. The physiological response indicated by plasma biochemical parameters in shrimp can determine their health and stress status...
June 15, 2017: Journal of Invertebrate Pathology
https://www.readbyqxmd.com/read/28625181/when-sterile-processing-goes-down-an-economic-analysis-of-alternative-strategies-for-supporting-the-service
#7
Susan E Mittenzwei, Jeannie L Topkoff, Mary T Bessesen, Clifford A Porter, Gurdev S Rai, Westyn Branch-Elliman
Given steam-quality challenges at our facility, the financial impact of options for reopening the sterile processing service unit were explored; duration of closure was the major driver of costs. Other potential negative effects of operating-room shutdowns include injury to facility reputation, loss of staff, loss of reimbursements, and harm to residency programs. Infect Control Hosp Epidemiol 2017;1-3.
June 19, 2017: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/28622852/efficacy-of-e2-glycoprotein-fused-to-porcine-cd154-as-a-novel-chimeric-subunit-vaccine-to-prevent-classical-swine-fever-virus-vertical-transmission-in-pregnant-sows
#8
Sara Muñoz-González, Yusmel Sordo, Marta Pérez-Simó, Marisela Suárez, Albert Canturri, Maria Pilar Rodriguez, María Teresa Frías-Lepoureau, Mariano Domingo, Mario Pablo Estrada, Llilianne Ganges
Here we evaluated the effect of double vaccination with a novel subunit marker vaccine candidate based in the CSFV E2 glycoprotein fused to the porcine CD154 to prevent CSFV vertical transmission. A lentivirus-based gene delivery system was used to obtain a stable recombinant HEK 293 cell line for the expression of E2 fused to porcine CD154 molecule. Six pregnant sows were distributed in two groups and at 64days of gestation animals numbered 1-4 (group 1) were vaccinated via intramuscular inoculation with 50μg of E2-CD154 subunit vaccine...
June 2017: Veterinary Microbiology
https://www.readbyqxmd.com/read/28622640/clinical-course-and-core-variability-in-hbv-infected-patients-without-detectable-anti-hbc-antibodies
#9
Olympia E Anastasiou, Marek Widera, Jens Verheyen, Johannes Korth, Guido Gerken, Fabian A Helfritz, Ali Canbay, Heiner Wedemeyer, Sandra Ciesek
BACKGROUND: The presence of anti-HBc antibodies indicates direct encounter of the immune system with hepatitis B virus (HBV). OBJECTIVES: Aim of our study was to seek for anti-HBc negative but HBV replicating patients and analyze their clinical course and preconditions. STUDY DESIGN: From 1568 HBV-DNA positive patients, 29 patients (1.85%) tested negative for anti-HBc. The absence of anti-HBc could be confirmed in 19 patients using an alternative assay...
June 8, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/28619777/peripherally-inserted-central-catheter-dressing-and-securement-in-patients-with-cancer-the-pisces-trial-protocol-for-a-2x2-factorial-superiority-randomised-controlled-trial
#10
Claire M Rickard, Nicole M Marsh, Joan Webster, Nicole C Gavin, Raymond J Chan, Alexandra L McCarthy, Peter Mollee, Amanda J Ullman, Tricia Kleidon, Vineet Chopra, Li Zhang, Matthew R McGrail, Emily Larsen, Md Abu Choudhury, Samantha Keogh, Evan Alexandrou, David J McMillan, Merehau Cindy Mervin, David L Paterson, Marie Cooke, Gillian Ray-Barruel, Maria Isabel Castillo, Andrew Hallahan, Amanda Corley, E Geoffrey Playford
INTRODUCTION: Around 30% of peripherally inserted central catheters (PICCs) fail from vascular, infectious or mechanical complications. Patients with cancer are at highest risk, and this increases morbidity, mortality and costs. Effective PICC dressing and securement may prevent PICC failure; however, no large randomised controlled trial (RCT) has compared alternative approaches. We designed this RCT to assess the clinical and cost-effectiveness of dressing and securements to prevent PICC failure...
June 15, 2017: BMJ Open
https://www.readbyqxmd.com/read/28619227/efficacy-and-safety-of-praziquantel-in-preschool-aged-and-school-aged-children-infected-with-schistosoma-mansoni-a-randomised-controlled-parallel-group-dose-ranging-phase-2-trial
#11
Jean T Coulibaly, Gordana Panic, Kigbafori D Silué, Jana Kovač, Jan Hattendorf, Jennifer Keiser
BACKGROUND: Praziquantel has been the drug of choice for schistosomiasis control for more than 40 years, yet surprisingly, the optimal dose for children younger than 4 years is not known. We aimed to assess the efficacy and safety of escalating praziquantel dosages in preschool-aged children (PSAC). METHODS: We did a randomised controlled, parallel-group, single-blind, dose-ranging, phase 2 trial in PSAC (2-5 years) and school-aged children (SAC; aged 6-15 years) as a comparator group in southern Côte d'Ivoire...
July 2017: Lancet Global Health
https://www.readbyqxmd.com/read/28615885/nyctotherus-sp-infection-in-pet-turtle-a-case-report
#12
Ajay S Satbige, Vivek R Kasaralikar, S C Halmandge, C Rajendran
The present clinical case represents the successful therapeutic management of Nyctotherus sp. protozoan infection in turtles. Two pet turtles were presented with history of diarrhea, dehydration, weight loss and passage of undigested food in the faeces. Direct faecal examination and Giemsa staining revealed the presence of cysts of Nyctotherus sp. Treatment was initiated with antiprotozoal drug, Metronidazole at the rate of 25 mg/kg body weight per-oral consecutively for 5 days, and Vimeral suspension at rate of 10-20 mg/kg per-oral for 8 days...
June 2017: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/28615849/in-vivo-antimalarial-activity-of-aqueous-leaf-and-bark-extracts-of-trema-orientalis-against-plasmodium-berghei-in-mice
#13
Oluwatoyosi Eniola Oyebola, Olajumoke Abimbola Morenikeji, Isaiah Oluwafemi Ademola
The control of malaria relies on the use of chemical antimalarial, but the development of resistance necessitates research into alternatives. Trema orientalis (L.) Blume is used in Nigerian folklore medicine for the treatment of malaria. This study investigates the in vivo antiplasmodial activity of aqueous leaf and bark extracts of T. orientalis in rodent model. Swiss Albino mice weighing 23-27 g were intraperitoneally infected with Plasmodium berghei. The lethal dose in mice was estimated to be greater than 5000 mg/kg based on toxicity signs and death...
June 2017: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/28611631/successful-treatment-of-chronic-staphylococcus-aureus-related-dermatoses-with-the-topical-endolysin-staphefekt-sa-100-a-report-of-3-cases
#14
Joan E E Totté, Martijn B van Doorn, Suzanne G M A Pasmans
Staphylococcus aureus plays an important role in skin and soft tissue infections and contributes to the pathophysiology of complex skin disorders such as atopic dermatitis. Bacterial resistance against commonly used antibiotics has increased considerably in the last decades demanding alternative treatment approaches. We present 3 cases where patients with chronic and recurrent S. aureus-related dermatoses were successfully treated with Staphefekt SA.100. Staphefekt SA.100 is a recombinant phage endolysin for topical skin application that specifically targets both methicillin-sensitive and methicillin-resistant S...
May 2017: Case Reports in Dermatology
https://www.readbyqxmd.com/read/28610802/herbal-medicine-in-children-with-respiratory-tract-infection-systematic-review-and-meta-analysis
#15
REVIEW
Dennis Anheyer, Holger Cramer, Romy Lauche, Felix Joyonto Saha, Gustav Dobos
BACKGROUND: Herbal medicines are particularly regarded as an alternative or complement to conventional pharmaceuticals in the treatment and prevention of respiratory tract infections (RTI). OBJECTIVE: Therefore the purpose of this review was to identify evidence for herbal therapy in the treatment of RTI concerning effectiveness and safety. DATA SOURCES: Medline/PubMed, Scopus and the Cochrane Library were searched through 12 February 2015...
June 10, 2017: Academic Pediatrics
https://www.readbyqxmd.com/read/28608993/oral-fluoropyrimidine-versus-intravenous-5-fluorouracil-for-the-treatment-of-advanced-gastric-and-colorectal-cancer-meta-analysis
#16
Linlin Zhang, Xiaoli Xing, Fanlu Meng, Yan Wang, Diansheng Zhong
BACKGROUND: 5-Fluorouracil(5-Fu) is one of the most commonly prescribed antineoplastic agents against gastric and colorectal cancers. Continuous infusion would be the optimal way of its administration, however, may usually cause thrombosis, infection and prolonged hospital stay. Oral fluoropyrimidines would be an attractive alternative, but their efficiency and toxicities for the treatment of gastric and colorectal cancer are still obscure as compared with infusion 5-Fu. METHODS: Literature retrieval, trials selection and assessment, data collection and statistic analysis were performed according to the Cochrane Handbook...
June 13, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28607454/insulin-sparing-and-fungible-effects-of-e4orf1-combined-with-an-adipocyte-targeting-sequence-in-mouse-models-of-type-1-and-type-2-diabetes
#17
I-S Yoon, S Park, R-H Kim, H L Ko, J-H Nam
Obesity impairs glycemic control and causes insulin resistance and type 2 diabetes. Adenovirus 36 (Ad36) infection can increase the uptake of excess glucose from blood into adipocytes by increasing GLUT4 translocation through the Ras-Akt signaling pathway, which bypasses PI3K-Akt-mediated insulin receptor signaling. E4orf1, a viral gene expressed early during Ad36 infection, is responsible for this insulin-sparing effect and may be an alternative target for improving insulin resistance. To deliver the gene to adipocytes only, we connected the adipocyte-targeting sequence (ATS) to the 5' end of E4orf1 (ATS-E4orf1)...
June 13, 2017: International Journal of Obesity: Journal of the International Association for the Study of Obesity
https://www.readbyqxmd.com/read/28606751/risk-stratification-in-compartmental-epidemic-models-where-to-draw-the-line
#18
Sze-Chuan Suen, Jeremy D Goldhaber-Fiebert, Margaret L Brandeau
Economic evaluations of infectious disease control interventions frequently use dynamic compartmental epidemic models. Such models capture heterogeneity in risk of infection by stratifying the population into discrete risk groups, thus approximating what is typically continuous variation in risk. An important open question is whether and how different risk stratification choices influence model predictions of intervention effects. We develop equivalent Susceptible-Infected-Susceptible (SIS) dynamic transmission models: an unstratified model, a model stratified into a high-risk and low-risk group, and a model with an arbitrary number of risk groups...
June 9, 2017: Journal of Theoretical Biology
https://www.readbyqxmd.com/read/28606352/applications-of-volatile-compounds-acquired-from-muscodor-heveae-against-white-root-rot-disease-in-rubber-trees-hevea-brasiliensis-m%C3%A3-ll-arg-and-relevant-allelopathy-effects
#19
Sakuntala Siri-Udom, Nakarin Suwannarach, Saisamorn Lumyong
The bioactive compounds of the volatile metabolite-producing endophytic fungus, Muscodor heveae, were examined by the process of biofumigation for the purposes of controlling white root rot disease in rubber trees (Hevea brasiliensis Müll. Arg.). Volatile organic compounds (VOCs) of M. heveae possess antimicrobial activity against Rigidoporus microporus in vitro with 100 % growth inhibition. The synthetic volatile compounds test confirmed that the major component, 3-methylbutan-1-ol, and the minor compounds, 3-methylbutyl acetate and 2-methylpropanoic acid, inhibited root and shoot growth in the tested plants 3-methylbutan-1-ol showed ED50 value and MIQ value on seed germination of ruzi grass, Arabidopsis thaliana Col-0 and tomato at 10, 5 and 5 μL(-1) airspace, respectively...
June 2017: Fungal Biology
https://www.readbyqxmd.com/read/28606090/comparative-efficacy-analysis-of-anti-microbial-peptides-ll-37-and-indolicidin-upon-conjugation-with-cnt-in-human-monocytes
#20
Biswaranjan Pradhan, Dipanjan Guha, Krushna Chandra Murmu, Abhinav Sur, Pratikshya Ray, Debashmita Das, Palok Aich
BACKGROUND: Antimicrobial peptides (AMPs) have the potential to serve as an alternative to antibiotic. AMPs usually exert bactericidal activity via direct killing of microbial pathogens. Reports have proposed that by harnessing innate immune activation, AMPs can regulate pathogen invasion and may control infection. It has been reported that AMPs could be utilized to activate the innate mucosal immune response in order to eliminate pathogenic infections. This way of controlling pathogen infection, by activating host immunity, confers the potential to the select AMPs to alleviate the problem of antibiotic resistance...
June 12, 2017: Journal of Nanobiotechnology
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