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https://www.readbyqxmd.com/read/29452598/7-versus-14-days-of-antibiotic-treatment-for-critically-ill-patients-with-bloodstream-infection-a-pilot-randomized-clinical-trial
#1
Nick Daneman, Asgar H Rishu, Ruxandra Pinto, Pierre Aslanian, Sean M Bagshaw, Alex Carignan, Emmanuel Charbonney, Bryan Coburn, Deborah J Cook, Michael E Detsky, Peter Dodek, Richard Hall, Anand Kumar, Francois Lamontagne, Francois Lauzier, John C Marshall, Claudio M Martin, Lauralyn McIntyre, John Muscedere, Steven Reynolds, Wendy Sligl, Henry T Stelfox, M Elizabeth Wilcox, Robert A Fowler
BACKGROUND: Shorter-duration antibiotic treatment is sufficient for a range of bacterial infections, but has not been adequately studied for bloodstream infections. Our systematic review, survey, and observational study indicated equipoise for a trial of 7 versus 14 days of antibiotic treatment for bloodstream infections; a pilot randomized clinical trial (RCT) was a necessary next step to assess feasibility of a larger trial. METHODS: We conducted an open, pilot RCT of antibiotic treatment duration among critically ill patients with bloodstream infection across 11 intensive care units (ICUs)...
February 17, 2018: Trials
https://www.readbyqxmd.com/read/29450214/-mycobacterium-abscessus-complex-infections-a-retrospective-cohort-study
#2
Maroun Sfeir, Marissa Walsh, Rossana Rosa, Laura Aragon, Sze Yan Liu, Timothy Cleary, Marylee Worley, Corey Frederick, Lilian M Abbo
Background: Infections caused by Mycobacterium abscessus group strains are usually resistant to multiple antimicrobials and challenging to treat worldwide. We describe the risk factors, treatment, and clinical outcomes of patients in 2 large academic medical centers in the United States. Methods: A retrospective cohort study of hospitalized adults with a positive culture for M. abscessus in Miami, Florida (January 1, 2011, to December 31, 2014). Demographics, comorbidities, the source of infection, antimicrobial susceptibilities, and clinical outcomes were analyzed...
February 2018: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/29440895/biosynthesized-silver-and-gold-nanoparticles-are-potent-antimycotics-against-opportunistic-pathogenic-yeasts-and-dermatophytes
#3
Andrea Rónavári, Nóra Igaz, Mohana Krishna Gopisetty, Bettina Szerencsés, Dávid Kovács, Csaba Papp, Csaba Vágvölgyi, Imre Miklós Boros, Zoltán Kónya, Mónika Kiricsi, Ilona Pfeiffer
Background: Epidemiologic observations indicate that the number of systemic fungal infections has increased significantly during the past decades, however in human mycosis, mainly cutaneous infections predominate, generating major public health concerns and providing much of the impetus for current attempts to develop novel and efficient agents against cutaneous mycosis causing species. Innovative, environmentally benign and economic nanotechnology-based approaches have recently emerged utilizing principally biological sources to produce nano-sized structures with unique antimicrobial properties...
2018: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/29434326/culture-independent-discovery-of-the-malacidins-as-calcium-dependent-antibiotics-with-activity-against-multidrug-resistant-gram-positive-pathogens
#4
Bradley M Hover, Seong-Hwan Kim, Micah Katz, Zachary Charlop-Powers, Jeremy G Owen, Melinda A Ternei, Jeffrey Maniko, Andreia B Estrela, Henrik Molina, Steven Park, David S Perlin, Sean F Brady
Despite the wide availability of antibiotics, infectious diseases remain a leading cause of death worldwide 1 . In the absence of new therapies, mortality rates due to untreatable infections are predicted to rise more than tenfold by 2050. Natural products (NPs) made by cultured bacteria have been a major source of clinically useful antibiotics. In spite of decades of productivity, the use of bacteria in the search for new antibiotics was largely abandoned due to high rediscovery rates2,3. As only a fraction of bacterial diversity is regularly cultivated in the laboratory and just a fraction of the chemistries encoded by cultured bacteria are detected in fermentation experiments, most bacterial NPs remain hidden in the global microbiome...
February 12, 2018: Nature Microbiology
https://www.readbyqxmd.com/read/29431872/interventions-to-prevent-hypothermia-at-birth-in-preterm-and-or-low-birth-weight-infants
#5
REVIEW
Emma M McCall, Fiona Alderdice, Henry L Halliday, Sunita Vohra, Linda Johnston
BACKGROUND: Newborn admission temperature is a strong predictor of outcomes across all gestations. Hypothermia immediately after birth remains a worldwide issue and, if prolonged, is associated with harm. Keeping preterm infants warm is difficult even when recommended routine thermal care guidelines are followed in the delivery room. OBJECTIVES: To assess the efficacy and safety of interventions designed for prevention of hypothermia in preterm and/or low birth weight infants applied within 10 minutes after birth in the delivery room, compared with routine thermal care or any other single/combination of intervention(s) also designed for prevention of hypothermia in preterm and/or low birth weight infants applied within 10 minutes after birth in the delivery room...
February 12, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29420826/transcriptional-profile-of-the-human-skin-pathogenic-fungus-mucor-irregularis-in-response-to-low-oxygen
#6
Wenqi Xu, Jingwen Peng, Dongmei Li, Clement K M Tsui, Zhimin Long, Qiong Wang, Huan Mei, Weida Liu
Mucormycosis is one of the most invasive mycosis and has caused global concern in public health. Cutaneous mucormycosis caused by Mucor irregularis (formerly Rhizomucor variabilis) is an emerging disease in China. To survive in the human body, M. irregularis must overcome the hypoxic (low oxygen) host microenvironment. However, the exact molecular mechanism of its pathogenicity and adaptation to low oxygen stress environment is relatively unexplored. In this study, we used Illumina HiSeq technology (RNA-Seq) to determine and compare the transcriptome profile of M...
October 9, 2017: Medical Mycology: Official Publication of the International Society for Human and Animal Mycology
https://www.readbyqxmd.com/read/29411142/mycobacterium-marinum-a-rare-cause-of-chronic-lymphocutaneous-syndrome
#7
Liad Avneri, Tal Eidlitz-Markus, Meirav Mor, Avraham Zeharia, Jacob Amir, Yishai Haimi-Cohen
We investigated the prevalence of Mycobacterium marinum lymphadenitis and describe 4 children with the disease. The database of the microbiology laboratory of a tertiary pediatric medical center was searched for all cases of nontuberculous mycobacterial lymphadenitis from 1996 to 2016. M. marinum lymphadenitis was defined as isolation of the pathogen from a lymph node or from a skin lesion with an enlarged regional lymph node. M. marinum was isolated from lymph nodes in 2 of 167 patients with nontuberculous mycobacterial lymphadenitis and from skin lesions in 2 children with skin lesions and regional reactive lymphadenitis, yielding a 2...
February 6, 2018: European Journal of Pediatrics
https://www.readbyqxmd.com/read/29391199/leishmanicidal-and-cytotoxic-activity-from-plants-used-in-tacana-traditional-medicine-bolivia
#8
Diandra Arévalo-Lopéz, Nélida Nina, Juan C Ticona, Ivan Limachi, Efrain Salamanca, Enrique Udaeta, Crispin Paredes, Boris Espinoza, Alcides Serato, David Garnica, Abigail Limachi, Dayana Coaquira, Sarah Salazar, Ninoska Flores, Olov Sterner, Alberto Giménez
ETNOPHARMACOLOGICAL RELEVANCE: thirty-eight Tacana medicinal plant species used to treat skin problems, including leishmania ulcers, skin infections, inflammation and wound healing, were collected in the community of Buena Vista, Bolivia, with the Tacana people. Twenty two species are documented for the first time as medicinal plants for this ethnic group living in the northern area of the Department of La Paz. AIM OF THE STUDY: To evaluate the leishmanicidal effect (IC50) and cytotoxicity (LD50) of the selected plants...
January 29, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29379104/slit-lamps-and-lenses-a-potential-source-of-nosocomial-infections
#9
Bianka Sobolewska, Michael Buhl, Jan Liese, Focke Ziemssen
PURPOSE: The aim of the study was to evaluate the bacterial contamination level of contact surfaces on slit lamps and the grip areas of lenses. METHODS: Within unannounced audits, two regions of the slit lamps (headrest and joystick), indirect ophthalmoscopy devices, and ultrasound probes were obtained with rayon-tipped swab. Non-contact lenses used for indirect fundoscopy were pressed on RODAC (Replicate Organism Detection and Counting) plates. One hundred and eighty-one surfaces were sampled...
January 30, 2018: Eye
https://www.readbyqxmd.com/read/29373647/eggerthella-lenta-bloodstream-infections-are-associated-with-increased-mortality-following-empiric-piperacillin-tazobactam-tzp-monotherapy-a-population-based-cohort-study
#10
Alejandra Ugarte-Torres, Mark R Gillrie, Thomas P Griener, Deirdre L Church
Background: Eggerthella lenta is a non-sporulating anaerobic gram-positive bacilli associated with polymicrobial intra-abdominal infections. Recently, E. lenta has been recognized as an important cause of anaerobic blood-stream infections (BSI) associated with high mortality. E. lenta has been reported to have high minimal inhibitory concentrations (MICs) to piperacillin-tazobactam (TZP), a broad-spectrum antibiotic with anaerobic coverage commonly used in multiple centers for empiric treatment of abdominal sepsis...
January 24, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29365064/prepectoral-revision-breast-reconstruction-for-treatment-of-implant-associated-animation-deformity-a-review-of-102-reconstructions
#11
Allen Gabriel, Steven Sigalove, Noemi M Sigalove, Toni L Storm-Dickerson, Jami Rice, Nicole Pope, G Patrick Maxwell
Background: Animation deformity is a direct consequence of subpectoral implant placement for breast reconstruction following mastectomy. Current treatment options ameliorate but do not address the source of the problem. Moving the implant from subpectoral to prepectoral has the potential to eliminate animation deformity. Objectives: Describe the technique and outcomes of prepectoral revision reconstruction in over 100 cases and discuss patient selection criteria for a successful outcome...
January 20, 2018: Aesthetic Surgery Journal
https://www.readbyqxmd.com/read/29354655/guidelines-vs-actual-management-of-skin-and-soft-tissue-infections-in-the-emergency-department
#12
Rahul S Kamath, Deepthi Sudhakar, Julianna G Gardner, Vagish Hemmige, Hossam Safar, Daniel M Musher
Background: Infections of skin and soft tissue (SSTI) commonly cause visits to hospital emergency departments (EDs). The Infectious Diseases Society of America (IDSA) has published guidelines for the management of SSTI, but it is unclear how closely these guidelines are followed in practice. Methods: We reviewed records of patients seen in the ED at a large tertiary care hospital to determine guidelines adherence in 4 important areas: the decision to hospitalize, choice of antibiotics, incision and drainage (I&D) of abscesses, and submission of specimens for culture...
January 2018: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/29352152/selection-and-validation-of-reference-genes-for-qrt-pcr-analysis-of-gene-expression-in-microsporum-canis-growing-under-different-adhesion-inducing-conditions
#13
Anita Ciesielska, Paweł Stączek
Dermatophytes are the group of filamentous fungi infecting keratinized structures such as skin, hair, and nails. Knowledge about genes and molecular mechanisms responsible for pathogenicity, as well as other biological properties of Microsporum canis is still relatively poor. The qRT-PCR is a reliable technique for quantifying gene expression across various biological processes, and choosing a set of suitable reference genes to normalize the expression data is a crucial step of this technique. We investigated the suitability of nine candidate reference genes: β-act, β-tub, adp-rf, ef1-α, sdha, rpl2, mbp1, psm1, and rGTPa for gene expression analysis in the dermatophyte M...
January 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29340060/assessment-of-antimicrobial-and-wound-healing-effects-of-brevinin-2ta-against-the-bacterium-klebsiella-pneumoniae-in-dermally-wounded-rats
#14
Siqin Liu, Qilin Long, Yang Xu, Jun Wang, Zhongwei Xu, Lei Wang, Mei Zhou, Yuxin Wu, Tianbao Chen, Chris Shaw
Antimicrobial peptides (AMPs) are regarded as promising alternatives for antibiotics due to their inherent capacity to prevent microbial drug resistance. Amphibians are rich source of bioactive molecules, which provide numerous AMPs with various structures as drug candidates. Here, we isolated and identified a novel AMP Brevinin-2Ta (B-2Ta) from the skin secretion of the European frog, Pelophylax kl. esculentus. In vitro studies revealed that it showed broad antimicrobial activities against S. aureus, E. coli and C...
December 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/29331315/ethnobotany-phytochemistry-and-pharmacology-of-arctotis-arctotoides-l-f-o-hoffm-a-review
#15
REVIEW
Md Moshfekus Saleh-E-In, Johannes Van Staden
ETHNOPHARMACOLOGICAL RELEVANCE: Arctotis arctotoides (Asteraceae) is part of the genus Arctotis. Arctotis is an African genus of approximately 70 species that occur widely in the African continent with diverse medicinal values. This plant is used for the treatment of indigestion and catarrh of the stomach, epilepsy, topical wounds and skin disorders among the ethnic groups in South Africa and reported to have a wide spectrum of pharmacological properties. AIM OF THE REVIEW: The aim of the present review is to appraise the botany, traditional uses, phytochemistry, pharmacological potential, analytical methods and safety issues of A...
January 10, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29318391/sarcoptes-scabiei-on-hedgehogs-in-new-zealand
#16
Caroline Kriechbaum, William Pomroy, Kristene Gedye
European hedgehogs (Erinaceus europaeus) were introduced into New Zealand from Britain during the period from 1869 to the early 1900s. The only mite found on New Zealand hedgehogs in early studies was Caparinia tripilis, with Sarcoptes scabiei first being reported in 1996. The aim of this study was to investigate the prevalence of Sarcoptes infestation on hedgehogs in New Zealand, the number of mites found and the degree of mange observed. Dead hedgehogs were collected from veterinary clinics, rescue centres, members of the public and from road-kill...
January 9, 2018: Parasitology Research
https://www.readbyqxmd.com/read/29303688/a-multi-component-strategy-to-decrease-wound-complications-after-open-infra-inguinal-re-vascularization
#17
Nader Zamani, Sherene E Sharath, Elaine Vo, Samir S Awad, Panos Kougias, Neal R Barshes
BACKGROUND: Wound complications remain a significant source of morbidity for patients undergoing open infra-inguinal re-vascularization. The purpose of this study was to determine the impact of several infection-control strategies on post-operative wound complications after open infra-inguinal re-vascularization. METHODS: A retrospective cohort study was conducted among all patients who underwent an open infra-inguinal re-vascularization procedure before and after 2014...
January 2018: Surgical Infections
https://www.readbyqxmd.com/read/29285860/tattoos-evaluation-of-knowledge-about-health-complications-and-their-prevention-among-students-of-tricity-universities
#18
Patrycja Rogowska, Aneta Szczerkowska-Dobosz, Róża Kaczorowska, Justyna Słomka, Roman Nowicki
INTRODUCTION: Tattooing is a very popular form of body modification among young people. However, this kind of procedure entails the risk of various health complications. The objective of the study was to evaluate the students' knowledge about contraindications, complications, and health risks that skin tattooing may cause. Additionally, the purpose of the study was to assess how the profile of education (medical vs nonmedical) impacts on the knowledge of the respondents. METHODS: We surveyed a group of 1199 people, of which 326 (27%) had tattoos...
December 28, 2017: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/29278528/treatment-of-severe-skin-and-soft-tissue-infections-a-review
#19
Jason P Burnham, Marin H Kollef
PURPOSE OF REVIEW: To review the salient features of the management of severe skin and soft tissue infections (SSTIs), including toxic shock syndrome, myonecrosis/gas gangrene, and necrotizing fasciitis. RECENT FINDINGS: For severe SSTIs, intensive care, source control, and broad-spectrum antimicrobials are required for the initial phase of illness. There is an increasing focus on the utility of rapid diagnostic tests to help in selection and de-escalation of antimicrobials for SSTIs...
December 22, 2017: Current Opinion in Infectious Diseases
https://www.readbyqxmd.com/read/29273579/a-decade-of-outpatient-antimicrobial-use-in-older-adults-in-ontario-a-descriptive-study
#20
Charlie Tan, Erin Graves, Hong Lu, Anna Chen, Shudong Li, Kevin L Schwartz, Nick Daneman
BACKGROUND: Antimicrobials are frequently prescribed to community-dwelling older adults. Our aim was to examine the prevalence, quantity and indications of antimicrobial prescriptions to older residents of Ontario. METHODS: We conducted a population-based analysis of outpatient antimicrobial prescriptions to residents of Ontario aged 65 years or more from 2006 to 2015. Antimicrobial prescriptions, infectious disease diagnoses and prescriber information were determined from linked health care databases...
December 21, 2017: CMAJ Open
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