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Antimicrobial surveillance

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https://www.readbyqxmd.com/read/28544416/global-analysis-of-strategies-to-tackle-antimicrobial-resistance
#1
Funke Adeniji
BACKGROUND: Antimicrobial resistance (AMR) is a global public health issue driven by inappropriate use of antimicrobials resulting in decreased efficacy on the background of an extremely limited pipeline for new antibiotics. We sought to analyse the effectiveness of key policies and strategies in tackling AMR globally and identify gaps in these. METHOD: The scope, magnitude, history and drivers of AMR were reviewed using supporting evidence. Our methodology included a literature review and semi-structured survey, whilst the analyses process was guided by an adapted health policy analyses framework...
May 22, 2017: International Journal of Pharmacy Practice
https://www.readbyqxmd.com/read/28542602/antimicrobial-resistance-status-of-enterococcus-from-australian-cattle-populations-at-slaughter
#2
Robert S Barlow, Kate E McMillan, Lesley L Duffy, Narelle Fegan, David Jordan, Glen E Mellor
Antimicrobial agents are used in cattle production systems for the prevention and control of bacterial associated diseases. A consequence of their use is the potential development of antimicrobial resistance (AMR). Enterococcus faecium and Enterococcus faecalis that are resistant to antimicrobials are of increased concern to public health officials throughout the world as they may compromise the ability of various treatment regimens to control disease and infection in human medicine. Australia is a major exporter of beef; however it does not have an ongoing surveillance system for AMR in cattle or foods derived from these animals...
2017: PloS One
https://www.readbyqxmd.com/read/28542412/low-rates-of-antibiotic-resistance-and-infectious-mortality-in-a-cohort-of-high-risk-hematology-patients-a-single-center-retrospective-analysis-of-blood-stream-infection
#3
Jason R Conn, Elizabeth M Catchpoole, Naomi Runnegar, Sally J Mapp, Kate A Markey
Febrile neutropenia (FN) is a medical emergency and can represent a life-threatening complication for hematology patients treated with intensive chemotherapy regimens. In clinical practice, the diagnostic yield of blood cultures and other investigations which aim to identify a causative organism or site of infection is low. We have retrospectively examined all blood cultures collected in a "real world" cohort of patients receiving chemotherapy for acute leukemia and patients with aggressive lymphoma treated with Hyper-CVAD/MTX-cytarabine, at a single tertiary center over a five-year period...
2017: PloS One
https://www.readbyqxmd.com/read/28542162/carbapenem-resistant-klebsiella-pneumoniae-in-barbados-driving-change-in-practice-at-the-national-level
#4
Corey Forde, Bryan Stierman, Pilar Ramon-Pardo, Thais Dos Santos, Nalini Singh
INTRODUCTION: Carbapenem-resistant Klebsiella pneumoniae (CRKP) is of growing concern globally. The risk for transmission of antimicrobial resistant organisms across several continents to the Caribbean is a real one given its tourism industry. After a cluster of cases of CRKP were detected, several studies detailed in this report were initiated to better characterize the problem. METHODS: A hospital-wide point prevalence study and active surveillance were performed at Queen Elizabeth Hospital (QEH) in Barbados in 2013 to assess the prevalence of CRKP infection/colonization...
2017: PloS One
https://www.readbyqxmd.com/read/28541807/surgical-site-infection-research-opportunities
#5
Kamal M F Itani, E Patchen Dellinger, John Mazuski, Joseph Solomkin, George Allen, Joan C Blanchard, Rachel Kelz, Sandra I Berríos-Torres
Much has been done to identify measures and modify risk factors to decrease the rate of surgical site infection (SSI). Development of the Centers for Disease Control and Prevention (CDC) Core recommendations for the prevention of SSI revealed evidence gaps in six areas: Parenteral antimicrobial prophylaxis, glycemic control, normothermia, oxygenation, antiseptic prophylaxis, and non-parenteral antimicrobial prophylaxis. Using a modified Delphi process, seven SSI content experts identified nutritional status, smoking, obesity, surgical technique, and anemia as additional areas for SSI prevention research...
May 2017: Surgical Infections
https://www.readbyqxmd.com/read/28540765/an-update-on-pediatric-bronchiectasis
#6
Danielle F Wurzel, Anne B Chang
The prevalence and awareness of bronchiectasis not related to cystic fibrosis (CF) is increasing and it is now recognized as a major cause of respiratory morbidity, mortality and healthcare utilization worldwide. The need to elucidate the early origins of bronchiectasis is increasingly appreciated and has been identified as an important research priority. Current treatments for pediatric bronchiectasis are limited to antimicrobials, airway clearance techniques and vaccination. Several new drugs targeting airway inflammation are currently in development...
May 25, 2017: Expert Review of Respiratory Medicine
https://www.readbyqxmd.com/read/28539726/development-and-validation-of-a-simultaneous-rp-hplcuv-dad-method-for-determination-of-polyphenols-in-gels-containing-s-terebinthifolius-raddi-anacardiaceae
#7
Melina G Carvalho, Cícero F S Aragão, Fernanda N Raffin, Túlio F A de L Moura
Topical gels containing extracts of Schinus terebinthifolius have been used to treat bacterial vaginosis. It has been reported that this species has antimicrobial, anti-inflammatory and anti-ulcerogenic properties, which can be attributed to the presence of phenolic compounds. In this work, a sensitive and selective reversed-phase HPLC-UV/DAD method for the simultaneous assay of six polyphenols that could be present in S. terebinthifolius was developed. The method was shown to be accurate and precise. Peak purity and similarity index both exceeded 0...
April 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28535790/clonal-replacement-of-epidemic-kpc-producing-klebsiella-pneumoniae-in-a-hospital-in-china
#8
Yuying Liang, Xiuyun Yin, Lijun Zeng, Shuiping Chen
BACKGROUND: Klebsiella pneumoniae is a frequent nosocomial pathogen causing difficult-to-treat infections worldwide. The prevalence of Klebsiella pneumoniae carbapenemase (KPC)-producing Klebsiella pneumoniae (KPC-KP) is increasing in China. The aim of this study was to investigate the molecular epidemiology of KPC-KP in a nosocomial outbreak. METHODS: Fifty-four KPC-KP isolates were consecutively collected between November 2013 and August 2014 during a KPC-KP outbreak in a tertiary care hospital in Beijing, China...
May 23, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28533857/antibiogram-profile-of-uropathogens-isolated-at-bahir-dar-regional-health-research-laboratory-centre-northwest-ethiopia
#9
Awoke Derbie, Derese Hailu, Daniel Mekonnen, Bayeh Abera, Gashaw Yitayew
INTRODUCTION: Antimicrobial resistance among bacteria that cause urinary tract infection (UTI) has been increasing since the introduction of chemotherapy. This study was aimed to assess the types of isolates from patients with UTI and to determine their current antimicrobial susceptibility profile. METHODS: A record based retrospective analysis of bacterial uropathogens processed in the period of January 2012 to December 2014 at Bahir Dar Health Research Laboratory Center (BRHRLC) was determined...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/28533233/epidemic-emergence-in-the-united-states-of-escherichia-coli-sequence-type-131-h30-2000-2009
#10
James R Johnson, Stephen Porter, Paul Thuras, Mariana Castanheira
The H30 subclone of Escherichia coli sequence type 131 (ST131) has become the leading antimicrobial-resistance E. coli lineage in the U.S., and often exhibits resistance to one or both of two key antimicrobial classes for treating Gram-negative infections, extended-spectrum cephalosporins (ESCs) and fluoroquinolones (FQs). However, the timing of and reasons for its recent emergence are inadequately defined. Accordingly, from E. coli clinical isolates collected systematically across the U.S. by the SENTRY Antimicrobial Surveillance Programs in 2000, 2003, 2006, and 2009, 234 isolates were selected randomly, stratified by year, within three resistance categories: (i) ESC-reduced susceptibility, regardless of FQ phenotype (hereafter, ESC-RS), (ii) FQ-resistant, ESC-susceptible (hereafter, FQ-R), and (iii) FQ-susceptible, ESC-susceptible (hereafter, FQ-S)...
May 22, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28532194/cost-effectiveness-of-ceftolozane-tazobactam-plus-metronidazole-compared-with-piperacillin-tazobactam-as-empiric-therapy-for-the-treatment-of-complicated-intra-abdominal-infections-based-on-the-in-vitro-surveillance-of-bacterial-isolates-in-the-uk
#11
Vimalanand Prabhu, Jason Foo, Harblas Ahir, Eric Sarpong, Sanjay Merchant
AIMS: An increase in the prevalence of antimicrobial resistance among gram-negative pathogens has been noted recently.[1] A challenge in empiric treatment of complicated intra-abdominal infection (cIAI) is identifying initial appropriate antibiotic therapy, which is associated with reduced length of stay and mortality compared with inappropriate therapy. The objective of this study was to assess the cost-effectiveness of ceftolozane/tazobactam+metronidazole compared with piperacillin/tazobactam (commonly used in this indication) in the treatment of patients with cIAI in United Kingdom (UK) hospitals...
May 22, 2017: Journal of Medical Economics
https://www.readbyqxmd.com/read/28520997/resistant-pathogens-as-causes-of-traveller-s-diarrhea-globally-and-impact-s-on-treatment-failure-and-recommendations
#12
David R Tribble
Background: : Diarrhea is a frequent clinical syndrome affecting international travellers. Bacterial etiologic agents have a long history of emergent antimicrobial resistance against commonly used antibiotics. Current approaches applying first-line antimicrobial therapy are being challenged by increasingly resistant organisms. This review summarizes recent epidemiological and clinical evidence of antibiotic resistance among enteropathogens causing traveller's diarrhea and the subsequent impact on current treatment recommendations...
April 1, 2017: Journal of Travel Medicine
https://www.readbyqxmd.com/read/28514990/prevalence-of-pora-pseudogene-deletion-among-neisseria-gonorrhoeae-isolates-referred-to-the-uk
#13
Martina Toby, Pamela Saunders, Michelle Cole, Vlad Grigorjev, Sarah Alexander, Catherine Ison
porA pseudogene-negative Neisseria gonorrhoeae isolates produce false-negative results when examined by polymerase chain reaction (PCR) with porA pseudogene targets. In the present study, 533 representative gonococcal isolates received in 2011 via the Gonococcal Resistance to Antimicrobials Surveillance Program were examined to determine the prevalence of porA-negative isolates. Less than 0.4% (2/533) of isolates were found to be reproducibly negative with the porA real-time PCR but were confirmed as N. gonorrhoeae with molecular, biochemical and immunological confirmatory tests...
May 18, 2017: Sexual Health
https://www.readbyqxmd.com/read/28513778/phenotypic-and-genotypic-characterization-of-salmonella-spp-isolated-from-foods-and-clinical-samples-in-brazil
#14
Andrea L Miranda, Soraia M Cordeiro, Joice N Reis, Lucas G Cardoso, Alaíse G Guimarães
Increasing antimicrobial resistance in Salmonella species has been a serious problem for public health worldwide. This study examines Salmonella spp. recovered from foods and clinical samples on serotype, antimicrobial resistance and PFGE genotypes. It identified 91 salmonellae, belonging to 31 different serotypes, from 36 isolates from food and 55 clinical samples. Salmonella Infantis (16.5%) and Salmonella Enteritidis (13.7%) are the most common among food isolates, whereas Salmonella Enteritidis (29.0%) and Salmonella Typhimurium (16...
May 15, 2017: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/28507638/antibiotic-utilization-in-pediatric-hospitalized-patients-a-single-center-study
#15
Hasime Qorraj Bytyqi, Rexhep Hoxha, Elton Bahtiri, Valon Krasniqi, Shaip Krasniqi
BACKGROUND: Antibiotics are among the most commonly prescribed drugs in paediatrics. In most cases, antibiotics are started on an empirical basis, without proof of a bacterial infection, either before the start of therapy or afterwards. AIM: The main objective of this study was to analyse the consumption of antibiotics in hospitalised paediatric patients. MATERIAL AND METHODS: This retrospective study investigated the consumption of antimicrobials in defined daily doses (DDDs according to the Anatomical Therapeutical Chemical/DDD index) in Pulmonology, Gastroenterology and Nephrology Departments at Pediatric Clinic of the tertiary hospital...
April 15, 2017: Open Access Macedonian Journal of Medical Sciences
https://www.readbyqxmd.com/read/28506325/a-proposed-analytic-framework-for-determining-the-impact-of-an-antimicrobial-resistance-intervention
#16
Yrjo T Grohn, Carolee Carson, Cristina Lanzas, Laura Pullum, Michael Stanhope, Victoriya Volkova
Antimicrobial use (AMU) is increasingly threatened by antimicrobial resistance (AMR). The FDA is implementing risk mitigation measures promoting prudent AMU in food animals. Their evaluation is crucial: the AMU/AMR relationship is complex; a suitable framework to analyze interventions is unavailable. Systems science analysis, depicting variables and their associations, would help integrate mathematics/epidemiology to evaluate the relationship. This would identify informative data and models to evaluate interventions...
May 16, 2017: Animal Health Research Reviews
https://www.readbyqxmd.com/read/28499284/emergence-and-spread-of-neisseria-gonorrhoeae-isolates-with-decreased-susceptibility-to-extended-spectrum-cephalosporins-in-argentina-2009-to-2013
#17
Ricardo Gianecini, Maria de Las Mercedes Romero, Claudia Oviedo, Martin Vacchino, Patricia Galarza
BACKGROUND: The emergence of Neisseria gonorrhoeae strains with decreased susceptibility to cephalosporins represents a major concern globally. The aim of this study was to examine the phenotypic and molecular characteristics of N. gonorrhoeae isolates with decreased susceptibility to ceftriaxone and cefixime in Argentina. METHODS: A total of 1987 isolates were collected during 2009 and 2013. The susceptibility to penicillin G, tetracycline, ciprofloxacin, cefixime, ceftriaxone, and azithromycin was determined using the agar dilution method...
June 2017: Sexually Transmitted Diseases
https://www.readbyqxmd.com/read/28486532/antibiotic-resistance-rates-and-physician-antibiotic-prescription-patterns-of-uncomplicated-urinary-tract-infections-in-southern-chinese-primary-care
#18
Carmen Ka Man Wong, Kenny Kung, Philip Lung Wai Au-Doung, Margaret Ip, Nelson Lee, Alice Fung, Samuel Yeung Shan Wong
Uncomplicated urinary tract infections (UTI) are common in primary care. Whilst primary care physicians are called to be antimicrobial stewards, there is limited primary care antibiotic resistance surveillance and physician antibiotic prescription data available in southern Chinese primary care. The study aimed to investigate the antibiotic resistance rate and antibiotic prescription patterns in female patients with uncomplicated UTI. Factors associated with antibiotic resistance and prescription was explored...
2017: PloS One
https://www.readbyqxmd.com/read/28483962/comparative-analysis-of-extended-spectrum-beta-lactamase-ctx-m-65-producing-salmonella-infantis-isolates-from-humans-food-animals-and-retail-chickens-in-the-united-states
#19
Heather Tate, Jason P Folster, Chih-Hao Hsu, Jessica Chen, Maria Hoffmann, Cong Li, Cesar Morales, Gregory H Tyson, Sampa Mukerjee, Allison C Brown, Alice Green, Wanda Wilson, Uday Dessai, Jason Abbott, Lavin Joseph, Jovita Haro, Sherry Ayers, Patrick F McDermott, Shaohua Zhao
We sequenced the genomes of ten Salmonella enterica serovar Infantis containing blaCTX-M-65 isolated from chicken, cattle, and human sources collected between 2012 and 2015 in the United States through routine NARMS surveillance and product sampling programs. We also completely assembled the plasmids from four of the isolates. All isolates had a D87Y mutation in the gyrA gene and harbored between 7 and 10 resistance genes (aph (4)-Ia, aac (3)-IVa, aph(3' )-Ic, blaCTX-M-65, fosA3, floR, dfrA14, sul1, tetA, aadA1) located in two distinct sites of a megaplasmid (∼316-323kb) similar to that described in a blaCTX-M-65-positive S...
May 8, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28483953/ceftolozane-tazobactam-activity-against-pseudomonas-aeruginosa-clinical-isolates-from-us-hospitals-report-from-an-antimicrobial-surveillance-program-pacts-2012-2015
#20
Dee Shortridge, Mariana Castanheira, Michael A Pfaller, Robert K Flamm
The activity of ceftolozane-tazobactam was compared to the activity of 7 antimicrobials against 3,851 Pseudomonas aeruginosa isolates collected from 32 US hospitals in the Program to Assess Ceftolozane-Tazobactam Susceptibility from 2012-2015. Ceftolozane-tazobactam and comparator susceptibilities were determined using the CLSI broth microdilution method at a central monitoring laboratory. For ceftolozane-tazobactam, 97.0% of the isolates were susceptible. Susceptibilities of the other antibacterials tested were: amikacin, 96...
May 8, 2017: Antimicrobial Agents and Chemotherapy
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