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Coagulase-negative staphylococci

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https://www.readbyqxmd.com/read/27911904/dressing-wear-time-after-breast-reconstruction-a-randomized-clinical-trial
#1
Daniela Francescato Veiga, Carlos Américo Veiga Damasceno, Joel Veiga-Filho, Luiz Francisley Paiva, Fernando Elias Martins Fonseca, Isaías Vieira Cabral, Natália Lana Larcher Pinto, Yara Juliano, Lydia Masako Ferreira
BACKGROUND: The evidence to support dressing standards for breast surgery wounds is empiric and scarce. OBJECTIVE: This two-arm randomized clinical trial was designed to assess the effect of dressing wear time on surgical site infection (SSI) rates, skin colonization and patient perceptions. METHODS: A total of 200 breast cancer patients undergoing breast reconstruction were prospectively enrolled. Patients were randomly allocated to group I (dressing removed on the first postoperative day, n = 100) or group II (dressing removed on the sixth postoperative day, n = 100)...
2016: PloS One
https://www.readbyqxmd.com/read/27902368/coagulase-negative-staphylococci-pathogenesis-occurrence-of-antibiotic-resistance-genes-and-in-vitro-effects-of-antimicrobial-agents-on-biofilm-growing-bacteria
#2
Ewa Szczuka, Lucyna Jabłońska, Adam Kaznowski
Coagulase-negative staphylococci (CoNS) are opportunistic pathogens that particularly cause infections in patients with implanted medical devices. The present research was performed to study the virulence potential of 53 clinical isolates of Staphylococcus capitis, Staphylococcus auricularis, Staphylococcus lugdunensis, Staphylococcus simulans, Staphylococcus cohnii, and Staphylococcus caprae. All clinical strains were clonally unrelated. Isolates carried genes encoding resistance to β-lactam (mecA) (15%), aminoglycosides aac(6')/aph(2'') (11%), aph (3')-IIIa (15%), ant(4')-Ia (19%) and MLSB erm(A) (4%), erm(B) (13%), erm(C) (41%), msr(A) (11%) antibiotics...
October 19, 2016: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/27893743/trends-of-bacterial-keratitis-culture-isolates-in-jerusalem-a-13-years-analysis
#3
Michael Politis, Denise Wajnsztajn, Boris Rosin, Colin Block, Abraham Solomon
PURPOSE: To describe the trends in pathogens and antibacterial resistance of corneal culture isolates in infectious keratitis during a period of 13 years at Hadassah-Hebrew University Medical Center. METHODS: A Retrospective analysis of bacterial corneal isolates was performed during the months of January 2002 to December 2014 at Hadassah Hebrew University Medical Center. Demographics, microbiological data and antibiotic resistance and sensitivity were collected...
2016: PloS One
https://www.readbyqxmd.com/read/27887598/comparison-of-the-most-common-isolates-of-postoperative-endophthalmitis-in-south-korea-enterococcus-species-vs-coagulase-negative-staphylococci
#4
Ki Yup Nam, Hyun Wong Kim, Woo Jin Jeung, Jung Min Park, Jong Moon Park, In Young Chung, Yong Seop Han, Bu Sup Oum, Ji Eun Lee, Ik Soo Byon, Il Han Yun, Joo Eun Lee, Hee Sung Yoon, Dong Park, Byeng Chul Yu, Sang Joon Lee
BACKGROUND: To compare the related factors or manifestations of the two most common isolates of post-operative endophthalmitis, which were Enterococcus spp. and coagulase-negative staphylococci (CNS) in South Korea. METHODS: Medical records were reviewed for cases of post-operative endophthalmitis caused by Enterococcus spp. and CNS at eight institutions between January 2004 and July 2010. Various factors including age, sex, residence, systemic diseases, smoking and drinking history, and best corrected visual acuity, and length of time between causative intraocular surgery and symptom development were compared between the two groups...
November 25, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27886039/use-of-personal-digital-assistants-to-detect-healthcare-associated-infections-in-a-neonatal-intensive-care-unit-in-egypt
#5
Elham Am El-Feky, Doa'a A Saleh, Jehan El-Kholy, Ahmed Mahmoud Sayed, Yasmeen Mansi, Mohamed Hashem
INTRODUCTION: Personal digital assistants (PDAs) used in electronic laboratory-based surveillance are a promising alternative to conventional surveillance to detect healthcare-associated infections (HAIs). The aim of the study was to monitor, detect, and analyze HAIs using PDAs in a neonatal intensive care unit (NICU). METHODOLOGY: In this descriptive study, 1,053 neonates admitted to the NICU in the obstetrics and gynecology ward at the Cairo University hospital were included and evaluated for HAIs by collecting data using PDAs programmed by Naval Medical Research Unit 3, Cairo, with the definitions for HAIs provided by the National Healthcare Safety Network of the Centers for Disease Control and Prevention...
November 24, 2016: Journal of Infection in Developing Countries
https://www.readbyqxmd.com/read/27885468/staphylococcus-lugdunensis-infections-filling-in-the-gaps-a-3-year-retrospective-review-from-a-comprehensive-cancer-center
#6
Lior Nesher, Jeffery Tarrand, Roy F Chemaly, Kenneth Vi Rolston
OBJECTIVE: Staphylococcus lugdunensis is considered to be more aggressive than other coagulase-negative staphylococci (CoNS). There are gaps in knowledge regarding the importance of isolating S. lugdunensis from different sources and in different patient subsets. Our objective was to describe the spectrum, clinical manifestations, and outcomes of infections caused by S. lugdunensis in patients with cancer. METHODS: A retrospective review of all cancer patients from whom S...
November 24, 2016: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/27885442/patterns-and-trends-of-pediatric-bloodstream-infections-a-7-year-surveillance-study
#7
N Buetti, A Atkinson, L Kottanattu, J Bielicki, J Marschall, A Kronenberg
We characterize the epidemiology of pediatric bloodstream infections (BSIs) in Switzerland. We analyzed pathogen distribution and resistance patterns in monomicrobial and polymicrobial BSIs in children from 2008 to 2014 using data from the Swiss antibiotic resistance centre (ANRESIS). A confirmatory statistical analysis was performed comparing pathogens and resistance across 20 acute care hospitals. We identified 3,067 bacteremia episodes, of which 1,823 (59 %) were considered true BSI episodes. Overall, S...
November 24, 2016: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/27876296/pathogenic-features-of-clinically-significant-coagulase-negative-staphylococci-in-hospital-and-community-infections-in-benin
#8
Chimène Nanoukon, Xavier Argemi, Frédéric Sogbo, Jeanne Orekan, Daniel Keller, Dissou Affolabi, Frédéric Schramm, Philippe Riegel, Lamine Baba-Moussa, Gilles Prévost
In West Africa, very little consideration has been given to coagulase negative Staphylococci (CNS). Herein, we describe the features contributing to the pathogenicity of 99 clinically-significant independent CNS isolates associated with infections encountered at the National Teaching Hospital Center of Cotonou (Benin). The pathogenic potentials of nosocomial strains were compared with community strains. S. haemolyticus (44%), S. epidermidis (22%) and S. hominis (7%) were the most frequently isolated while bacteremia (66...
November 10, 2016: International Journal of Medical Microbiology: IJMM
https://www.readbyqxmd.com/read/27873736/amber-necklaces-reasons-for-use-and-awareness-of-risk-associated-with-bacterial-colonisation
#9
Pauline Machet, Philippe Lanotte, Bruno Giraudeau, Marie Leperlier, Elsa Tavernier, Annabel Maruani
BACKGROUND: Parents are increasingly placing amber necklaces on their infants or toddlers to prevent teething pain. The use of the necklaces can pose a risk of death by strangulation, however, there are no data on the potential infectious risk linked to bacterial colonisation associated with the necklaces. OBJECTIVES: We aimed to analyse bacterial colonisation of amber necklaces worn by children during hospital consultations. MATERIAL & METHODS: This prospective observational study included all children wearing a teething necklace at consultation in the Paediatric Dermatology and the Paediatric Emergency Department of our hospital from April to December 2014...
November 21, 2016: European Journal of Dermatology: EJD
https://www.readbyqxmd.com/read/27866673/surveillance-of-tedizolid-activity-and-resistance-in-vitro-susceptibility-of-gram-positive-pathogens-collected-over-5-years-from-the-united-states-and-europe
#10
Mekki Bensaci, Daniel Sahm
In vitro activity of tedizolid and comparators against 11,231 Gram-positive clinical isolates from the United States (84 centers) and Europe (115 centers) were summarized as part of the Surveillance of Tedizolid Activity and Resistance program between 2009 and 2013. Susceptibility testing was performed according to Clinical Laboratory and Standards Institute (CLSI) guidelines. Minimum inhibitory concentration (MIC) interpretations were based on CLSI and European Committee on Antimicrobial Susceptibility Testing criteria...
October 8, 2016: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/27865985/cfr-mediated-linezolid-resistant-clinical-isolates-of-methicillin-resistant-coagulase-negative-staphylococci-from-china
#11
Yunjia Song, Yuan Lv, Lanqing Cui, Yun Li, Qian Ke, Yixuan Zhao
Three linezolid-resistant coagulase-negative staphylococci (LR-CoNS), including two Staphylococcus cohnii and one Staphylococcus capitis, were isolated from 1104 clinical staphylococcal isolates across China in 2013-2014. Antibiotic susceptibilities of the bacteria were determined by the agar dilution method. PCR and DNA sequencing were performed to determine the potential molecular mechanism of linezolid resistance. The two linezolid-resistant S. cohnii isolates were subjected to pulsed-field gel electrophoresis (PFGE) to investigate their genetic relatedness...
November 5, 2016: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/27865514/coagulase-negative-staphylococcus-species-in-bulk-milk-prevalence-distribution-and-associated-subgroup-and-species-specific-risk-factors
#12
A De Visscher, S Piepers, F Haesebrouck, K Supré, S De Vliegher
Coagulase-negative staphylococci (CNS) have become the main pathogens causing bovine mastitis in recent years. A huge variation in species distribution among herds has been observed in several studies, emphasizing the need to identify subgroup- and species-specific herd-level factors to improve our understanding of the differences in ecological and epidemiological nature between species. The use of bulk milk samples enables the inclusion of a large(r) number of herds needed to identify herd-level risk factors and increases the likelihood of recovering enough isolates per species needed for conducting subgroup- and, eventually, species-specific analyses at the same time...
November 16, 2016: Journal of Dairy Science
https://www.readbyqxmd.com/read/27864566/using-practice-based-evidence-to-improve-supportive-care-practices-to-reduce-central-line-associated-bloodstream-infections-in-a-pediatric-oncology-unit
#13
Lauri A Linder, Cheryl Gerdy, Rouett Abouzelof, Andrew Wilson
Children with cancer are a subset of patients with central lines with distinct risk factors for infection including periods of prolonged neutropenia and compromised mucous membrane integrity. This article relates the implementation of principles of practice-based evidence to identify interventions in addition to best practice maintenance care bundles to reduce central line-associated bloodstream infections involving viridans group streptococci and coagulase-negative staphylococci on an inpatient pediatric oncology unit...
November 18, 2016: Journal of Pediatric Oncology Nursing: Official Journal of the Association of Pediatric Oncology Nurses
https://www.readbyqxmd.com/read/27861693/-outbreak-of-foodborne-disease-at-a-mass-event-of-indigenous-peoples-in-cuiaba-mato-grosso-brazil-in-2013
#14
Daniele Monteiro Nunes, Francisco José de Paula, Juliano Silva Melo, Elaine Cristina De-Oliveira, Valéria Cristhian Meneguini, Flávia Dias, Fábio Liberali Weissheimer, George Santiago Dimech
OBJECTIVE: to report the experience of investigating the outbreak of acute diarrhoea (AD) at the XII Indigenous Games in Cuiabá, Mato Grosso, Brazil, 2013. METHODS: data were collected from the Advanced Medical Post's service records of the AD cases, which were defined as 'individual Games participant referring episode of diarrhoea and/or vomiting'; AD attack rates, relative frequencies and measures of the central tendency of sociodemographic and clinical variables, sanitary inspections and results of bromatological samples were calculated...
January 2016: Epidemiologia e Servicos de Saude: Revista do Sistema Unico de Saude do Brasil
https://www.readbyqxmd.com/read/27853715/differences-in-chemical-physical-and-microbiological-characteristics-of-italian-burrata-cheeses-made-in-artisanal-and-industrial-plants-of-apulia-region
#15
Stefano Rea, Leonardo Marino, Roberta Stocchi, Raffaella Branciari, Anna Rita Loschi, Dino Miraglia, David Ranucci
The burrata cheese is a traditional product from Southern Italy, consisting of an envelope of pasta filata (stretched curd) filled with cream and pasta filata strips (usually leftovers from mozzarella production). Physical [water activity (aw), pH], chemical (moisture, NaCl content) and microbiological [total viable count (TVC), Listeria monocytogenes, Salmonella spp., Yersinia enterocolitica, Bacillus cereus, Escherichia coli, Enterobacteriaceae, coagulase-positive staphylococci] characteristics of burrata cheeses manufactured in artisanal and industrial plants were evaluated...
June 3, 2016: Italian Journal of Food Safety
https://www.readbyqxmd.com/read/27844159/clinical-and-epidemiological-differences-between-implant-associated-and-implant-free-orthopaedic-infections
#16
Céline Cuérel, Sophie Abrassart, Julien Billières, Diego Andrey, Domizio Suva, Victor Dubois-Ferrière, Ilker Uçkay
PURPOSE: Although there have been many publications regarding the risk factors for implant-associated orthopaedic infections, none have investigated how clinical presentations and epidemiology may differ between infections with and without osteosynthetic material. METHODS: We pooled clinical data from several databases of adult patients with orthopaedic infections hospitalized at Geneva University Hospitals from January 2004 to December 2014. RESULTS: Among 2740 episodes of orthopaedic infections, 76% were implant-free osteoarticular or soft tissue infections...
November 14, 2016: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/27843959/antimicrobial-resistance-pattern-of-gram-positive-bacteria-during-three-consecutive-years-at-the-nephrology-ward-of-a-tertiary-referral-hospital-in-shiraz-southwest-iran
#17
Iman Karimzadeh, Mona Mirzaee, Niloofar Sadeghimanesh, Mohammad Mahdi Sagheb
OBJECTIVE: The aim of the present study was to determine the pattern of antimicrobial resistance of Gram-positive bacteria during three consecutive years at the nephrology ward of Namazi Hospital in Shiraz, Southwest of Iran. METHODS: During a 3-year period from 2013 to 2015, data of all biological samples of hospitalized patients at the adult nephrology ward of Namazi Hospital were sent to the central laboratory for identification of Gram-positive microorganisms and subsequently, their antimicrobial susceptibility testing by Kirby-Bauer disc diffusion method were analyzed in a retrospective manner...
October 2016: Journal of Research in Pharmacy Practice
https://www.readbyqxmd.com/read/27843558/prevalence-of-bovine-milk-pathogens-in-azorean-pastures-mobile-versus-fixed-milking-machines
#18
C Azevedo, D Pacheco, L Soares, M Moitoso, J Maldonado, R Guix, J Simões
The aims of the present study were (1) to evaluate the influence of using mobile (n=47) or fixed (n=45) milking machines in Azorean herds on the apparent prevalence of several milk pathogens in bulk tank milk (BTM) and (2) to determine whether separated subclinical mastitic cows can serve, in real time, as predictors of milk pathogen prevalence for the remaining animals at the herd level. The use of a mobile or fixed milking machine influenced (P≤0.05) the prevalence of Staphylococcus aureus (72.3 per cent; n=34 v 51...
2016: Veterinary Record Open
https://www.readbyqxmd.com/read/27834064/evaluation-of-bd-max-staph-sr-assay-for-differentiating-between-staphylococcus-aureus-and-coagulase-negative-staphylococci-and-determining-methicillin-resistance-directly-from-positive-blood-cultures
#19
Jaewoong Lee, Yeon Joon Park, Dong Jin Park, Kang Gyun Park, Hae Kyung Lee
BACKGROUND: We evaluated the performance of the BD MAX StaphSR Assay (SR assay; BD, USA) for direct detection of Staphylococcus aureus and methicillin resistance not only in S. aureus but also in coagulase-negative Staphylococci (CNS) from positive blood cultures. METHODS: From 228 blood culture bottles, 103 S. aureus [45 methicillin-resistant S. aureus (MRSA), 55 methicillin-susceptible S. aureus (MSSA), 3 mixed infections (1 MRSA+Enterococcus faecalis, 1 MSSA+MRCNS, 1 MSSA+MSCNS)], and 125 CNS (102 MRCNS, 23 MSCNS) were identified by Vitek 2...
January 2017: Annals of Laboratory Medicine
https://www.readbyqxmd.com/read/27833663/genome-sequencing-assembly-annotation-and-analysis-of%C3%A2-staphylococcus-xylosus%C3%A2-strain-dmb3-bh1-reveals-genes-responsible-for-pathogenicity
#20
Gurwinder Kaur, Amit Arora, Sathyaseelan Sathyabama, Nida Mubin, Sheenam Verma, Shanmugam Mayilraj, Javed N Agrewala
BACKGROUND: Staphylococcus xylosus is coagulase-negative staphylococci (CNS), found occasionally on the skin of humans but recurrently on other mammals. Recent reports suggest that this commensal bacterium may cause diseases in humans and other animals. In this study, we present the first report of whole genome sequencing of S. xylosus strain DMB3-Bh1, which was isolated from the stool of a mouse. RESULTS: The draft genome of S. xylosus strain DMB3-Bh1 consisted of 2,81,0255 bp with G+C content of 32...
2016: Gut Pathogens
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