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https://www.readbyqxmd.com/read/28819873/similarities-and-differences-between-doxycycline-and-minocycline-clinical-and-antimicrobial-stewardship-considerations
#1
REVIEW
B A Cunha, J Baron, C B Cunha
Doxycycline and, to a lesser extent, minocycline, have been used for decades to treat various serious systemic infections, but many physicians remain unfamiliar with their spectrum, interpretation of susceptibility results, pharmacokinetic/pharmacodynamic (PK/PD) properties, optimal dosing regimens, and their activity against MRSA, VRE, and multidrug-resistant (MDR) Gram-negative bacilli, e.g., Acinetobacter sp. This article reviews the optimal use of doxycycline and minocycline to treat a variety of infections and when minocycline is preferred instead of doxycycline...
August 17, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28815897/multidrug-resistant-enterobacteriaceae-pseudomonas-aeruginosa-and-vancomycin-resistant-enterococci-three-major-threats-to-hematopoietic-stem-cell-transplant-recipients
#2
REVIEW
Michael J Satlin, Thomas J Walsh
Hematopoietic stem cell transplant (HSCT) recipients are uniquely threatened by the emergence of multidrug-resistant (MDR) bacteria because these patients rely on immediate active antimicrobial therapy to combat bacterial infections. This review describes the epidemiology and treatment considerations for three challenging MDR bacterial pathogens in HSCT recipients: MDR Enterobacteriaceae, including extended-spectrum β-lactamase (ESBL)-producing and carbapenem-resistant Enterobacteriaceae (CRE), Pseudomonas aeruginosa, and vancomycin-resistant Enterococcus (VRE)...
August 16, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28814382/predictive-utility-of-swab-screening-for-vancomycin-resistant-enterococcus-in-selection-of-empiric-antibiotics-for-enterococcus-sterile-site-infections-a-retrospective-cohort-study
#3
Ian Brasg, Marion Elligsen, Derek MacFadden, Nick Daneman
BACKGROUND: Swab screening for vancomycin-resistant Enterococcus (VRE) is used to identify VRE carriers and thus prevent transmission of this organism. We tested whether screening results could have unintended benefits in predicting the vancomycin susceptibility of subsequent Enterococcus infections experienced by these patients. METHODS: We conducted a retrospective cohort study of all patients admitted to a large tertiary care hospital between 2010 and 2015 who underwent swab screening for VRE before experiencing an Enterococcus sterile-site infection...
August 15, 2017: CMAJ Open
https://www.readbyqxmd.com/read/28801105/rectal-swab-screening-assays-of-public-health-importance-in-molecular-diagnostics-sample-adequacy-control
#4
Sanja Glisovic, Shaun Eintracht, Yves Longtin, Matthew Oughton, Ivan Brukner
Rectal swabs are routinely used by public health authorities to screen for multi-drug resistant enteric bacteria including vancomycin-resistant enterococci (VRE) and carbapenem-resistant enterobacteriaceae (CRE). Screening sensitivity can be influenced by the quality of the swabbing, whether performed by the patient (self-swabbing) or a healthcare practitioner. One common exclusion criterion for rectal swabs is absence of "visible soiling" from fecal matter. In our institution, this criterion excludes almost 10% of rectal swabs received in the microbiology laboratory...
August 8, 2017: Journal of Infection and Public Health
https://www.readbyqxmd.com/read/28798845/vancomycin-resistant-gene-identification-from-live-bacteria-on-an-integrated-microfluidic-system-by-using-low-temperature-lysis-and-loop-mediated-isothermal-amplification
#5
Wen-Hsin Chang, Ju-Ching Yu, Sung-Yi Yang, Yi-Cheng Lin, Chih-Hung Wang, Huey-Ling You, Jiunn-Jong Wu, Mel S Lee, Gwo-Bin Lee
Vancomycin-resistant Enterococcus (VRE) is a kind of enterococci, which shows resistance toward antibiotics. It may last for a long period of time and meanwhile transmit the vancomycin-resistant gene (vanA) to other bacteria. In the United States alone, the resistant rate of Enterococcus to vancomycin increased from a mere 0.3% to a whopping 40% in the past two decades. Therefore, timely diagnosis and control of VRE is of great need so that clinicians can prevent patients from becoming infected. Nowadays, VRE is diagnosed by antibiotic susceptibility test or molecular diagnosis assays such as matrix-assisted laser desorption ionization/time-of-flight mass spectrometry and polymerase chain reaction...
March 2017: Biomicrofluidics
https://www.readbyqxmd.com/read/28774865/shifts-in-antimicrobial-consumption-and-infection-rates-before-and-during-a-piperacillin-tazobactam-shortage
#6
S Travis King, Katie E Barber, Jason J Parham, Kayla R Stover
BACKGROUND: Anti-infective shortages represent a growing threat to the optimal management of the infected patient and alter the institutional selective pressure against hospital-acquired infections. The objective of this analysis was to assess the impact that a shortage of piperacillin-tazobactam had on the overall antibacterial use and HAI rates at an academic institution. METHODS: Antimicrobial use and infection data were extracted from TheraDoc Clinical Surveillance Software (Premier, Inc...
July 31, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28764160/revisiting-nitrofurantoin-for-vancomycin-resistant-enterococci
#7
Suneeta Meena, Sarita Mohapatra, Seema Sood, Benu Dhawan, Bimal Ku Das, Arti Kapil
INTRODUCTION: Enterococcal infection has emerged as a major therapeutic challenge. Emergence of High Level Aminoglycoside Resistance (HLAR) and Vancomycin-Resistant Enterococcus (VRE) has further limited the drug therapy in enterococcal infections. However, nitrofuratoin being an old drug reported to have less resistance in comparison to the other classes of antimicrobial agents. AIM: To detect susceptibility of nitrofurantoin against VRE isolates from Urinary Tract Infection (UTI) of outdoor and indoor patient departments...
June 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28763660/vancomycin-resistant-enterococci-with-vana-gene-in-treated-municipal-wastewater-and-their-association-with-human-hospital-strains
#8
Veronika Oravcova, Matus Mihalcin, Jana Zakova, Lucie Pospisilova, Martina Masarikova, Ivan Literak
Vancomycin-resistant enterococci (VRE) are pathogens of increasing medical importance. In Brno, Czech Republic, we collected 37 samples from the effluent of a wastewater treatment plant (WWTP), 21 surface swabs from hospital settings, and 59 fecal samples from hospitalized patients and staff. Moreover, we collected 284 gull cloacal swabs from the colony situated 35km downstream the WWTP. Samples were cultured selectively. Enterococci were identified using MALDI-TOF MS, phenotypically tested for susceptibility to antibiotics, and by PCR for occurrence of resistance and virulence genes...
July 27, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28754459/first-description-in-europe-of-emergence-of-enterococcus-faecium-st117-carrying-both-vana-vanb-genes-isolated-in-greece
#9
C C Papagiannitsis, E Malli, Z Florou, M Medvecky, S Sarrou, J Hrabak, E Petinaki
OBJECTIVES: An Enterococcus faecium, carrying both vanA/vanB genes was recovered from a patient with bacteraemia, treated in a Greek hospital. Since this is the first description in Europe of E. faecium, carrying both vanA/vanB genes, the isolate was further studied. METHODS: Susceptibility to several antibiotics was determined by automated system Vitek 2. The isolate was typed by MLST. To define the genetic units of the vanA and vanB genes, plasmid-content of strain was analyzed by pulsed-field gel electrophoresis (PFGE) of total DNA digested with S1 nuclease following by hybridization with digoxigenin-labelled vanA and vanB probes...
July 25, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28735054/linezolid-activity-against-clinical-gram-positive-cocci-with-advanced-antimicrobial-drug-resistance-in-iran
#10
Hamidreza Houri, Hossein Kazemian, Hadi Sedigh Ebrahim-Saraie, Asieh Taji, Zahra Tayebi, Hamid Heidari
OBJECTIVES: The aim of the study was to investigate the linezolid activity against clinical Gram-positive cocci with advanced antimicrobial drug resistance. METHODS: A collection of methicillin resistant Staphylococcus aureus (MRSA), vancomycin resistant enterococci (VRE), penicillin non-susceptible Streptococcus pneumoniae (PNSP), and group B streptococci (GBS) were isolated from various clinical samples. Antimicrobial susceptibility tests were done using standard methods Subsequently, we investigated linezolid antibacterial activities, the first approved oxazolidinone against isolates by the standard broth microdilution method...
July 19, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28727741/antimicrobial-resistance-rates-in-gram-positive-bacteria-do-not-drive-glycopeptides-use
#11
Beryl Primrose Gladstone, Andrea Cona, Parichehr Shamsrizi, Tuba Vilken, Winfred V Kern, Nisar Malek, Evelina Tacconelli
Surveillance data are considered essential to appropriate empiric antibiotic therapy and stewardship. The objective of this study was to determine if a change in the rates of antibiotic resistance impacts antibiotic use in European hospitals. Glycopeptides use was selected to study the correlation between resistance rates and antibiotic use because of the restricted spectrum against resistant gram positive bacteria. PubMed, ECDC databases and national/regional surveillance systems were searched to identify glycopeptides´ consumption in defined daily dose per 1000 inhabitant-days (DID) and rate of methicillin-resistant Staphylococcus aureus (MRSA), methicillin-resistant coagulase negative staphylococci (MRCoNS), and vancomycin-resistant enterococci (VRE) in bloodstream infections (BSIs) in European countries between 1997 and 2015...
2017: PloS One
https://www.readbyqxmd.com/read/28724453/decrease-in-vancomycin-resistant-enterococcus-colonization-after-extensive-renovation-of-a-unit-dedicated-to-the-treatment-of-hematologic-malignancies-and-hematopoietic-stem-cell-transplantation
#12
Clyde D Ford, Michaela A Gazdik Stofer, Jana Coombs, Bert K Lopansri, Brandon J Webb, Gabriela Motyckova, Finn Bo Petersen
OBJECTIVE While a direct relation between hospital construction and concomitant infection rates has been clearly established, few data are available regarding the environmental decontamination effects of renovation in which surfaces are replaced and regarding subsequent infection incidence. DESIGN Retrospective clinical study with vancomycin-resistant Enterococcus (VRE) molecular strain typing and environmental cultures. SETTING A regional referral center for acute leukemia and hematopoietic stem-cell transplantation...
July 20, 2017: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/28702465/a-dynamic-transmission-model-to-evaluate-the-effectiveness-of-infection-control-strategies
#13
Karim Khader, Alun Thomas, W Charles Huskins, Molly Leecaster, Yue Zhang, Tom Greene, Andrew Redd, Matthew H Samore
BACKGROUND: The advancement of knowledge about control of antibiotic resistance depends on the rigorous evaluation of alternative intervention strategies. The STAR*ICU trial examined the effects of active surveillance and expanded barrier precautions on acquisition of methicillin-resistant Staphylococcus aureus (MRSA) and vancomycin-resistant Enterococcus (VRE) in intensive care units. We report a reanalyses of the STAR*ICU trial using a Bayesian transmission modeling framework. METHODS: The data included admission and discharge times and surveillance test times and results...
2017: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/28669681/factors-contributing-to-vancomycin-resistant-enterococcus-spp-horizontal-transmission-events-exploration-of-the-role-of-antibacterial-consumption
#14
Elise M Gilbert, Teresa R Zembower, Nathaniel J Rhodes, Chao Qi, Sandra Reiner, Michael Malczynski, Marc H Scheetz
BACKGROUND: The relationship between antibiotic consumption and resistance is relatively well defined at the population/ecologic level. Increases in antimicrobial consumption correlate with increased antibiotic resistance for clinical and surveillance isolates. However, the impact of antimicrobial consumption on nosocomial transmission of resistant bacteria is less well defined. This study explores the association between antimicrobial consumption, hand hygiene, and horizontal resistant organism transmission...
September 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/28666756/ampicillin-for-the-treatment-of-complicated-urinary-tract-infections-caused-by-vancomycin-resistant-enterococcus-spp-vre-a-single-center-university-hospital-experience
#15
Kairav J Shah, Kartikeya Cherabuddi, Joseph Shultz, Samuel Borgert, Reuben Ramphal, Kenneth P Klinker
Vancomycin-resistant enterococci are a common cause of urinary tract infections and are typically multi-drug resistant, including ampicillin. This retrospective study evaluated outcomes of 84 adult patients hospitalized between January 2007 and December 2015 with ampicillin and vancomycin resistant-enterococcus isolates causing UTI and treated with ampicillin. Treatment response was classified as clinical cure and microbiological eradication. Clinical cure was achieved in 88.1% (74/84) of patients. In patients with follow up cultures, microbiologic eradication was achieved in 86% (50/58) of patients...
June 27, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28666305/prevalence-of-multidrug-resistant-bacteria-in-refugees-a-prospective-case-control-study-in-an-obstetric-cohort
#16
Kathrin Oelmeier de Murcia, Birgit Glatz, Stephanie Willems, Annelene Kossow, Marlit Strobel, Bianca Stühmer, Frieder Schaumburg, Alexander Mellmann, Frank Kipp, Ralf Schmitz, Mareike Möllers
Purpose To determine the prevalence of multidrug resistant (MDR) bacteria in a cohort of pregnant refugee women. Methods In a prospective case control study, surveillance cultures for MDR bacteria (methicillin-resistant Staphylococcus aureus [MRSA], vancomycin-resistant enterococci [VRE], MDR Gram-negative bacteria [MRGN]) were analysed between October 2015 and June 2016 from a cohort of 50 pregnant refugee women and 50 resident controls in the obstetric unit of a German tertiary referral hospital. Results Prevalence of MRSA was noticeably higher among refugee women compared to residents (6 vs...
June 2017: Zeitschrift Für Geburtshilfe und Neonatologie
https://www.readbyqxmd.com/read/28662601/a-discrete-event-simulation-model-of-patient-flow-in-a-general-hospital-incorporating-infection-control-policy-for-methicillin-resistant-staphylococcus-aureus-mrsa-and-vancomycin-resistant-enterococcus-vre
#17
Erica S Shenoy, Hang Lee, Erin E Ryan, Taige Hou, Rochelle P Walensky, Winston Ware, David C Hooper
BACKGROUND: Hospitalized patients are assigned to available staffed beds based on patient acuity and services required. In hospitals with double-occupancy rooms, patients must be additionally matched by gender. Patients with methicillin-resistant Staphylococcus aureus (MRSA) or vancomycin-resistant Enterococcus (VRE) must be bedded in single-occupancy rooms or cohorted with other patients with similar MRSA/VRE flags. METHODS: We developed a discrete event simulation (DES) model of patient flow through an acute care hospital...
June 1, 2017: Medical Decision Making: An International Journal of the Society for Medical Decision Making
https://www.readbyqxmd.com/read/28659889/rapid-phenotypic-detection-of-microbial-resistance-in-gram-positive-bacteria-by-a-real-time-laser-scattering-method
#18
Evgeny A Idelevich, Matthias Hoy, Dennis Görlich, Dennis Knaack, Barbara Grünastel, Georg Peters, Matthias Borowski, Karsten Becker
We developed a methodology for antimicrobial susceptibility testing (AST) based on the BacterioScan(TM)216R laser scattering technology, using methicillin resistance in Staphylococcus aureus and vancomycin resistance in enterococci as exemplar for important resistance phenotypes. Fifty methicillin-resistant (MRSA) and 50 methicillin-susceptible (MSSA) S. aureus, as well as 50 vancomycin-resistant enterococci (VRE) and 50 vancomycin-susceptible enterococci (VSE) isolates were used for the study. Optimal test conditions were derived by investigating the effects of inoculum size, medium, incubation temperature and broth filtration...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28654976/contact-precautions-for-endemic-mrsa-and-vre-time-to-retire-legal-mandates
#19
Daniel J Morgan, Richard P Wenzel, Gonzalo Bearman
No abstract text is available yet for this article.
July 25, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28645649/evaluation-of-a-selective-chromogenic-medium-for-detecting-vancomycin-resistant-enterococci
#20
Renata Oliveira Soares, Adriana Medianeira Rossato, Gustavo Enck Sambrano, Neidimar Cezar Corrêa Tolfo, Juliana Caierão, Thiago Galvão da Silva Paim, Pedro Alves d'Azevedo
Rapid identification of vancomycin-resistant enterococci (VRE) can assist in choosing the appropriate treatment and preventing VRE spread. The performance of chromID™ VRE agar was evaluated using 184 clinical isolates of Enterococcus spp. and reference strains. The test had a sensitivity of 95.52% but a low specificity of 30%.
June 8, 2017: Brazilian Journal of Microbiology: [publication of the Brazilian Society for Microbiology]
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