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https://www.readbyqxmd.com/read/27915096/universal-contact-precautions-do-not-change-the-prevalence-of-antibiotic-resistant-organisms-in-a-tertiary-burn-unit
#1
Adelyn L Ho, Reid Chambers, Claudia Malic, Anthony Papp
OBJECTIVE: The prevalence of antibiotic-resistant organisms (ARO) in burn units is increasing worldwide and contributes significantly to morbidity and mortality. Study aims are to describe the burden of AROs in burn patients admitted to a tertiary burn unit, to evaluate the impact of contact precautions implemented after an outbreak of antibiotic-resistant Acinetobacter baumannii, and to identify possible predictors of ARO acquisition. METHODS: Data of burn inpatients between 2006 and 2010 were retrospectively reviewed...
November 30, 2016: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/27905623/-mortality-analysis-of-enterococcus-faecium-bloodstream-infection-in-central-taiwan
#2
Chen Chang-Hua, Lin Li-Chen, Chang Yu-Jun, Chang Chih-Yen
BACKGROUND: Bloodstream infections (BSIs) due to Enterococcus faecium (E. faecium), particularly those due to vancomycin-resistant enterococcus (VRE), are still a therapeutic challenge. AIM: To evaluate mortality from BSI due to E. faecium and VRE in central Taiwan. MATERIALS AND METHODS: We retrospectively analyzed cases of significant E. faecium BSI in the Changhua Christian Hospital System between January 1, 2010 and December 31, 2013. RESULTS: Of the 76 cases, 28 patients (36...
August 2016: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
https://www.readbyqxmd.com/read/27895857/frequency-of-vana-vanb-and-vanh-variants-amongst-vancomycin-resistant-enterococci-isolated-from-patients-in-central-region-of-iran
#3
Jaafar Rezvani, Reza Nasr, Fatemeh T Shamsabadi, Mohammad Reza Akbari Eidgahi
AIM: The aim of this study was to investigate the VRE frequency and the rate of each gene in isolated enterococci from patients with intestinal infection in the central region of Iran. BACKGROUND: Enterococci infections are a public health growing concern due to the glycopeptide antibiotics resistance especially vancomycin. Genes, vanA, B, and H contribute to the influence of vancomycin-resistant enterococci (VRE). PATIENTS AND METHODS: This study was conducted from January to July 2014 in Shahrood university hospital...
2016: Gastroenterology and Hepatology From Bed to Bench
https://www.readbyqxmd.com/read/27895354/nosocomial-infections-in-the-icu-pens-and-spectacles-as-fomites
#4
Haris Farooq Murad, Khowaja Mohammad Inam Pal
Nosocomial infections are a major cause of morbidity and mortality. Non-medical objects known as fomites may have a role in their genesis. We investigated the significance of writing pens and spectacles as fomites. The study was conducted at Aga Khan University Hospital, Karachi, from July 2013 to September 2013. Cultures were taken from pens and/or spectacles of resident nurses, doctors and nursing assistants in intensive care unit (ICU). Organisms important in ICU nosocomial infections were targeted. Seven rounds of sampling over 3 weeks led to 55 pen and 5 spectacle samples...
October 2016: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/27890726/sources-of-antibiotics-hot-springs
#5
REVIEW
Girish B Mahajan, Lakshmi Balachandran
The discovery of antibiotics heralded an era of improved health care. However, the over-prescription and misuse of antibiotics resulted in the development of resistant strains of various pathogens. Since then, there has been an incessant search for discovering novel compounds from bacteria at various locations with extreme conditions. The soil is one of the most explored locations for bioprospecting. In recent times, hypersaline environments and symbiotic associations have been investigated for novel antimicrobial compounds...
November 24, 2016: Biochemical Pharmacology
https://www.readbyqxmd.com/read/27890428/vancomycin-resistant-enterococcus-colonization-and-bacteremia-and-hematopoietic-stem-cell-transplantation-outcomes
#6
Clyde D Ford, Michaela A Gazdik, Bert K Lopansri, Brandon Webb, Birgitta Mitchell, Jana Coombs, Daanish Hoda, Finn Bo Petersen
The association between pre-hematopoietic stem cell transplantation (HSCT) vancomycin-resistant Enterococcus (VRE) colonization, HSCT associated VRE bacteremia, and HSCT mortality is disputed. We studied 161 consecutive patients with acute leukemia who underwent HSCT at our hospital between 2006 and 2014, of whom 109 also received leukemia induction/consolidation on our unit. All inpatients had weekly VRE stool surveillance. Pre-HSCT colonization was not associated with increases in HSCT mortality but did identify a subgroup of HSCT recipients with a higher risk for VRE bacteremia and possibly bacteremia from other organisms...
November 23, 2016: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/27889877/maldi-tof-ms-meets-wgs-in-a-vre-outbreak-investigation
#7
S Schlebusch, G R Price, R L Gallagher, V Horton-Szar, L D H Elbourne, P Griffin, D J Venter, S O Jensen, S J Van Hal
The use of MALDI-TOF MS (matrix-assisted laser desorption/ ionization-time of flight mass spectrometry) and WGS (whole genome sequencing) has been described for identification and strain relatedness determination. We describe the complementary use of MALDI-TOF MS and WGS in a VRE (vancomycin-resistant enterococci) outbreak investigation, and discuss some of the challenges with defining strain similarity across these two platforms. Although both assays indicated multiple clusters involved in the outbreak of vancomycin resistant Enterococcus faecium isolates from positive blood cultures of four haematology-oncology patients, the small cohort and discrepancies between findings indicate the limitations of MALDI-TOF MS and the cautious interpretation of MALDI-TOF MS dendrograms during outbreaks...
November 26, 2016: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/27869427/vancomycin-resistant-enterococcus-bacteremia-in-a-child-with-acute-myeloid-leukemia-successful-treatment-with-daptomycin
#8
Ayşe Büyükcam, Eda Karadağ Öncel, Yasemin Özsürekçi, Ali B Cengiz, Barış Kuşkonmaz, Banu Sancak
Multiple-drug-resistant enterococcal infections canbe a serious problem in pediatric patients particularly concomitance with severe underlying diseases and lead to significant morbidity and mortality. The treatment options in children are limited compared with adults. We report a 3-year old-boy with acute myeloid leukemia (AML)-M7 and vancomycin-resistant enterococcus bacteremia successfully treated with daptomycin. Daptomycin may be an alternative therapy for VRE infections in children; more studies are needed for extended usage...
December 1, 2016: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/27861350/chlorhexidine-bathing-for-the-prevention-of-colonization-and-infection-with-multidrug-resistant-microorganisms-in-a-hematopoietic-stem-cell-transplantation-unit-over-a-9-year-period-impact-on-chlorhexidine-susceptibility
#9
Elisa Teixeira Mendes, Otavio T Ranzani, Ana Paula Marchi, Mariama Tomaz da Silva, José Ulysses Amigo Filho, Tânia Alves, Thais Guimarães, Anna S Levin, Silvia Figueiredo Costa
Health care associated infections (HAIs) are currently among the major challenges to the care of hematopoietic stem cell transplantation (HSCT) patients. The objective of the present study was to evaluate the impact of 2% chlorhexidine (CHG) bathing on the incidence of colonization and infection with vancomycin-resistant Enterococcus (VRE), multidrug-resistant (MDR) gram-negative pathogens, and to evaluate their CHG minimum inhibitory concentration (MIC) after the intervention.A quasi-experimental study with duration of 9 years was conducted...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27852447/a-polyclonal-outbreak-of-bloodstream-infections-by-enterococcus-faecium-in-patients-with-hematologic-malignancies
#10
Pamela Alatorre-Fernández, Claudia Mayoral-Terán, Consuelo Velázquez-Acosta, Cecilia Franco-Rodríguez, Karen Flores-Moreno, Miguel Ángel Cevallos, Yolanda López-Vidal, Patricia Volkow-Fernández
BACKGROUND: Enterococcus faecium causes bloodstream infection (BSI) in patients with hematologic malignancies (HMs). We studied the clinical features and outcomes of patients with HM with vancomycin-sensitive E faecium (VSE) and vancomycin-resistant E faecium (VRE) BSI and determined the genetic relatedness of isolates and circumstances associated with the upsurge of E faecium BSI. METHODS: Case-control study of patients with HM and E faecium-positive blood culture from January 2008-December 2012; cases were patients with VRE and controls were VSE isolates...
November 14, 2016: American Journal of Infection Control
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
#11
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/27836794/the-risk-factors-costs-and-survival-analysis-of-invasive-vre-infections-at-a-medical-center-in-eastern-taiwan
#12
Hui-Li Jiang, Zi Zhou, Lih-Shinn Wang, Ya Fang, Yi-Hwei Li, Cheng-I Chu
OBJECTIVE: To analyze 48 cases the risk factors of vancomycin-resistant Enterococcus (VRE) infections, the antibiotic costs after infection, and the survival conditions. DESIGN: 1:3 matched case-control study a medical center in the eastern Taiwan area. The case group, patients with VRE bacterial strains detected at the sterile sites, and the control group were randomly selected from invasive vancomycin-sensitive Enterococcus (VSE) infected patients at the nearest time point by taking the occurrence time of each VRE infection case as the reference time...
November 9, 2016: International Journal of Infectious Diseases: IJID
https://www.readbyqxmd.com/read/27825401/incidence-and-outcomes-associated-with-infections-caused-by-vancomycin-resistant-enterococci-in-the-united-states-systematic-literature-review-and-meta-analysis
#13
Hsiu-Yin Chiang, Eli N Perencevich, Rajeshwari Nair, Richard E Nelson, Matthew Samore, Karim Khader, Margaret L Chorazy, Loreen A Herwaldt, Amy Blevins, Melissa A Ward, Marin L Schweizer
BACKGROUND Information about the health and economic impact of infections caused by vancomycin-resistant enterococci (VRE) can inform investments in infection prevention and development of novel therapeutics. OBJECTIVE To systematically review the incidence of VRE infection in the United States and the clinical and economic outcomes. METHODS We searched various databases for US studies published from January 1, 2000, through June 8, 2015, that evaluated incidence, mortality, length of stay, discharge to a long-term care facility, readmission, recurrence, or costs attributable to VRE infections...
November 9, 2016: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/27804901/longitudinal-multicenter-analysis-of-outcomes-after-cessation-of-control-measures-for-vancomycin-resistant-enterococci
#14
Camille Lemieux, Michael Gardam, Gerald Evans, Michael John, Kathryn N Suh, Carl vanWalraven, Elisa Vicencio, Cameron Coulby, Virginia Roth, Susy Hota
OBJECTIVE To assess clinically relevant outcomes after complete cessation of control measures for vancomycin-resistant enterococci (VRE). DESIGN Quasi-experimental ecological study over 3.5 years. METHODS All VRE screening and isolation practices at 4 large academic hospitals in Ontario, Canada, were stopped on July 1, 2012. In total, 618 anonymized abstracted charts of patients with VRE-positive clinical isolates identified between July 1, 2010, and December 31, 2013, were reviewed to determine whether the case was a true VRE infection, a VRE colonization or contaminant, or a true VRE bacteremia...
November 2, 2016: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/27795399/antibody-based-therapy-for-enterococcal-catheter-associated-urinary-tract-infections
#15
Ana L Flores-Mireles, Jennifer N Walker, Aaron Potretzke, Henry L Schreiber, Jerome S Pinkner, Tyler M Bauman, Alyssa M Park, Alana Desai, Scott J Hultgren, Michael G Caparon
: Gram-positive bacteria in the genus Enterococcus are a frequent cause of catheter-associated urinary tract infection (CAUTI), a disease whose treatment is increasingly challenged by multiantibiotic-resistant strains. We have recently shown that E. faecalis uses the Ebp pilus, a heteropolymeric surface fiber, to bind the host protein fibrinogen as a critical step in CAUTI pathogenesis. Fibrinogen is deposited on catheters due to catheter-induced inflammation and is recognized by the N-terminal domain of EbpA (EbpA(NTD)), the Ebp pilus's adhesin...
October 25, 2016: MBio
https://www.readbyqxmd.com/read/27790430/screening-for-intestinal-colonization-with-vancomycin-resistant-enterococci-and-associated-risk-factors-among-patients-admitted-to-an-adult-intensive-care-unit-of-a-large-teaching-hospital
#16
Rajesh Amberpet, Sujatha Sistla, Subhash Chandra Parija, Molly Mary Thabah
INTRODUCTION: Gut colonization with Vancomycin Resistant Enterococci (VRE) increases the risk of acquiring infection during hospital stay. Patients admitted in the ICU's are the major reservoirs for VRE colonization due to higher antibiotic pressure. AIM: To determine the rate of VRE colonization among patients admitted in the Medical Intensive Care Unit (MICU) and to assess the various risk factors which are associated with VRE colonization. MATERIALS AND METHODS: This was a prospective study carried out over a period of 18 months from September 2013 to February 2015 in the Jawaharlal Institute of Post graduate Medical Education and Research (JIPMER), Pondicherry, South India...
September 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27787755/antimicrobial-peptide-isolated-from-bacillus-amyloliquefaciens-k14-revitalizes-its-use-in-combinatorial-drug-therapy
#17
Sudip Regmi, Yun Hee Choi, Yoon Seok Choi, Mi Ri Kim, Jin Cheol Yoo
The present study was performed to evaluate the antibacterial activities of an antimicrobial peptide (CSpK14) and the synergies thereof with β-lactams against vancomycin-resistant Staphylococcus aureus (VRSA) and Enterococci (VRE). Our strain was isolated from fermented food (kimchi), which is 99.79 % homologous with Bacillus amyloliquefaciens subsp. plantarum FZB42(T). CSpK14 was purified to homogeneity by diammonium sulfate precipitation, concentration, dialysis, and followed by two-stage chromatographic separation, i...
October 27, 2016: Folia Microbiologica
https://www.readbyqxmd.com/read/27780222/population-screening-using-sewage-reveals-pan-resistant-bacteria-in-hospital-and-community-samples
#18
Lital Meir-Gruber, Yossi Manor, Shiraz Gefen-Halevi, Musa Y Hindiyeh, Fernando Mileguir, Roberto Azar, Gill Smollan, Natasha Belausov, Galia Rahav, Ari Shamiss, Ella Mendelson, Nathan Keller
The presence of pan-resistant bacteria worldwide possesses a threat to global health. It is difficult to evaluate the extent of carriage of resistant bacteria in the population. Sewage sampling is a possible way to monitor populations. We evaluated the presence of pan-resistant bacteria in Israeli sewage collected from all over Israel, by modifying the pour plate method for heterotrophic plate count technique using commercial selective agar plates. This method enables convenient and fast sewage sampling and detection...
2016: PloS One
https://www.readbyqxmd.com/read/27771176/vancomycin-resistant-enterococcal-bloodstream-infections-in-hematopoietic-stem-cell-transplant-recipients-and-patients-with-hematologic-malignancies-impact-of-daptomycin-mics-of-3-to-4-mg-l
#19
Pearlie P Chong, David van Duin, Ananta Bangdiwala, Anastasia Ivanova, William C Miller, David J Weber, Peter H Gilligan, Thomas C Shea
PURPOSE: Case reports of treatment failure with standard-dose daptomycin (6 mg/kg) have recently surfaced in vancomycin-resistant Enterococcus (VRE) bloodstream infection (BSI) episodes with daptomycin MICs of 3 to 4 mg/L. The clinical implications of daptomycin MICs of 3 to 4 mg/L in VRE BSIs have not been elucidated. METHODS: We performed a single institutional retrospective analysis of adult stem cell transplant recipients and patients with hematologic malignancies diagnosed with VRE BSI from 2006 to 2014 and compared outcomes between those with daptomycin MICs of 3 to 4 mg/L those with 2 mg/L, as determined by Etest...
October 19, 2016: Clinical Therapeutics
https://www.readbyqxmd.com/read/27747932/reengineering-antibiotics-to-combat-bacterial-resistance-click-chemistry-1-2-3-triazole-vancomycin-dimers-with-potent-activity-against-mrsa-and-vre
#20
Steven M Silverman, John E Moses, K Barry Sharpless
Vancomycin has long been considered a drug of last resort. Its efficiency in treating multiple drug-resistant bacterial infections, particularly methicillin-resistant Staphylococcus aureus (MRSA), has had a profound effect on the treatment of life-threatening infections. However, the emergence of resistance to vancomycin is a cause for significant worldwide concern, prompting the urgent development of new effective treatments for antibiotic resistant bacterial infections. Harnessing the benefits of multivalency and cooperativity against vancomycin-resistant strains, we report a Click Chemistry approach towards reengineered vancomycin derivatives and the synthesis of a number of dimers with increased potency against MRSA and vancomycin resistant Enterococci (VRE; VanB)...
October 16, 2016: Chemistry: a European Journal
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