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https://www.readbyqxmd.com/read/27902389/antimicrobial-susceptibility-to-azithromycin-among-salmonella-enterica-typhi-and-paratyphi-a-isolates-from-india
#1
Richa Misra, Kashi N Prasad
Decreased ciprofloxacin susceptibility (DCS) and multi-drug resistance (MDR) in typhoidal Salmonella isolates in areas of endemicity is a significant therapeutic problem. Guidelines for azithromycin disk diffusion and minimal inhibitory concentration (MIC) interpretive criteria for Salmonella enterica serovar Typhi were published recently by CLSI in 2015.We investigated the antimicrobial susceptibility pattern of azithromycin in 100 isolates of Salmonella Typhi (n=80), Paratyphi A (n=18) and B (n=2) recovered from blood stream infections from January 2013 to December 2015...
November 10, 2016: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/27895019/nephrotoxicity-during-vancomycin-therapy-in-combination-with-piperacillin-tazobactam-or-cefepime
#2
W Cliff Rutter, Jessica N Cox, Craig A Martin, Donna R Burgess, David S Burgess
BACKGROUND: Recent reports have demonstrated that vancomycin (VAN) may lead to an increase in acute kidney injury (AKI) when combined with anti-pseudomonal beta-lactams. This study compared the incidence of AKI associated with VAN plus piperacillin-tazobactam (TZP) or cefepime (FEP). METHODS: This was a retrospective, matched cohort study at an academic medical center between September 2010 and September 2014 including adult patients receiving TZP-VAN or FEP-VAN for at least 48 hours and without severe chronic or structural kidney disease, dialysis, pregnancy, cystic fibrosis, or hospital transfer...
November 28, 2016: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/27891118/colistin-in-pig-production-chemistry-mechanism-of-antibacterial-action-microbial-resistance-emergence-and-one-health-perspectives
#3
REVIEW
Mohamed Rhouma, Francis Beaudry, William Thériault, Ann Letellier
Colistin (Polymyxin E) is one of the few cationic antimicrobial peptides commercialized in both human and veterinary medicine. For several years now, colistin has been considered the last line of defense against infections caused by multidrug-resistant Gram-negative such as Acinetobacter baumannii, Pseudomonas aeruginosa, and Klebsiella pneumoniae. Colistin has been extensively used orally since the 1960s in food animals and particularly in swine for the control of Enterobacteriaceae infections. However, with the recent discovery of plasmid-mediated colistin resistance encoded by the mcr-1 gene and the higher prevalence of samples harboring this gene in animal isolates compared to other origins, livestock has been singled out as the principal reservoir for colistin resistance amplification and spread...
2016: Frontiers in Microbiology
https://www.readbyqxmd.com/read/27872410/risk-of-mortality-of-catheter-related-bloodstream-infections-caused-by-acinetobacter-species-is-early-removal-of-the-catheters-associated-with-a-better-survival-outcome
#4
Yi Lee, Yi-Tzu Lee, Yung-Chih Wang, Chung-Ting Chen, Jun-Ren Sun, Chang-Pan Liu, Yuan-Meng Liu, Shu-Chen Kuo, Chun-Hsiang Chiu, Ya-Sung Yang, Jung-Chung Lin, Te-Li Chen
PURPOSE: Bloodstream infections (BSIs) caused by Acinetobacter species have been extensively reported, however, which majorly focused on respiratory tract infections. The risk of mortality and the effect of early catheter removal on survival in catheter-related BSIs (CRBSIs) caused by Acinetobacter spp. remain unclear. This study aims to investigate that. METHODS: This is a retrospective multicentric study conducted in Taiwan from 2012 to 2014. Patients with at least 1 positive blood culture and catheter culture for the same Acinetobacter spp...
November 20, 2016: Journal of Intensive Care Medicine
https://www.readbyqxmd.com/read/27828764/antimicrobial-stewardship-a-call-to-action-for-surgeons
#5
Massimo Sartelli, Therese M Duane, Fausto Catena, Jeffrey M Tessier, Federico Coccolini, Lillian S Kao, Belinda De Simone, Francesco M Labricciosa, Addison K May, Luca Ansaloni, John E Mazuski
Despite current antimicrobial stewardship programs (ASPs) being advocated by infectious disease specialists and discussed by national and international policy makers, ASPs coverage remains limited to only certain hospitals as well as specific service lines within hospitals. The ASPs incorporate a variety of strategies to optimize antimicrobial agent use in the hospital, yet the exact set of interventions essential to ASP success remains unknown. Promotion of ASPs across clinical practice is crucial to their success to ensure standardization of antimicrobial agent use within an institution...
December 2016: Surgical Infections
https://www.readbyqxmd.com/read/27825605/antimicrobial-resistance-in-enterobacteriaceae-in-brazil-focus-on-%C3%AE-lactams-and-polymyxins
#6
REVIEW
Jorge Luiz Mello Sampaio, Ana Cristina Gales
During the last 30 years there has been a dissemination of plasmid-mediated β-lactamases in Enterobacteriaceae in Brazil. Extended spectrum β-lactamases (ESBL) are widely disseminated in the hospital setting and are detected in a lower frequency in the community setting. Cefotaximases are the most frequently detected ESBL type and Klebsiella pneumoniae is the predominant species among ESBL producers. Klebsiella pneumoniae carbapenemase-producing Enterobacteriaceae became widely disseminated in Brazil during the last decade and KPC production is currently the most frequent resistance mechanism (96...
October 25, 2016: Brazilian Journal of Microbiology: [publication of the Brazilian Society for Microbiology]
https://www.readbyqxmd.com/read/27822762/clinical-practice-audit-concerning-antimicrobial-prophylaxis-in-paediatric-neurosurgery-results-from-a-german-paediatric-oncology-unit
#7
Katja Weiss, Arne Simon, Norbert Graf, Jakob Schöpe, Joachim Oertel, Stefan Linsler
BACKGROUND: Perioperative antimicrobial prophylaxis (PAP) has been identified as an important target for internal audits, concerning the judicious use of antibiotics. Paediatric oncology patients with brain tumours face an increased risk of surgical site infection (SSI) after neurosurgery and receive routine PAP in this setting. PATIENTS AND METHODS: All patients younger than 18 years admitted to the paediatric oncology centre (POC) with a neurosurgical intervention...
November 7, 2016: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/27807211/a-survey-of-veterinary-antimicrobial-prescribing-practices-washington-state-2015
#8
H Fowler, M A Davis, A Perkins, S Trufan, C Joy, M Buswell, T F McElwain, D Moore, R Worhle, P M Rabinowitz
Antimicrobial resistance is a growing global health issue. It is also a recognised problem in veterinary medicine. Between September and December 2015 the authors administered a cross-sectional survey to licensed veterinarians in Washington State to assess factors affecting antimicrobial prescribing practices among veterinarians in Washington State. Two hundred and three veterinarians completed the survey. The majority of respondents (166, 82 per cent) were engaged in small animal or exotic animal practice...
November 2, 2016: Veterinary Record
https://www.readbyqxmd.com/read/27750157/nosocomial-outbreak-of-extended-spectrum-%C3%AE-lactamase-producing-enterobacter-ludwigii-co-harbouring-ctx-m-8-shv-12-and-tem-15-in-a-neonatal-intensive-care-unit-in-venezuela
#9
Ana Flores-Carrero, Indira Labrador, Alberto Paniz-Mondolfi, David R Peaper, Dana Towle, María Araque
Enterobacter spp. have emerged as an important group of pathogens linked to outbreaks in neonatal intensive care units (NICUs), usually involving strains expressing extended-spectrum β-lactamases (ESBLs). The aim of this study was to describe the first nosocomial bloodstream infection outbreak caused by Enterobacter ludwigii co-harbouring CTX-M-8, SHV-12 and TEM-15 in a NICU in a Venezuelan hospital. Initial bacterial identification was achieved by VITEK(®)2 system and matrix-assisted laser desorption/ionisation time-of-flight mass spectrometry (VITEK(®) MS) and was subsequently confirmed by nucleotide sequencing of the 16S rDNA gene and hsp60 genotyping...
December 2016: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/27748166/factors-influencing-antimicrobial-prescribing-by-veterinarians-and-usage-by-dairy-farmers-in-new-zealand
#10
S McDougall, C W R Compton, N Botha
AIMS: To determine the factors associated with the selection of antimicrobials by dairy veterinarians, and the attitudes of those veterinarians and dairy farmers to antimicrobial usage and resistance. METHODS: Facilitated focus groups of dairy farmers (n=22) and an anonymous online survey of dairy cattle veterinarians (n=206 respondents) were used to determine prescribing behaviour, factors affecting prescribing of antimicrobials, and the attitudes of veterinarians and farmers to the use of antimicrobials and the risk of antimicrobial resistance (AMR)...
October 16, 2016: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/27736789/effects-of-in-feed-chlortetracycline-prophylaxis-of-beef-cattle-on-animal-health-and-antimicrobial-resistant-escherichia-coli
#11
Getahun E Agga, John W Schmidt, Terrance M Arthur
: Concerns have been raised that in-feed chlortetracycline (CTC) may increase antimicrobial resistance (AMR), specifically tetracycline-resistant (TET(r)) Escherichia coli, and third-generation cephalosporin-resistant (3GC(r)) E. coli We evaluated the impact of a 5-day in-feed CTC prophylaxis on animal health, TET(r) E. coli, and 3GC(r) E. coli A "control group" of cattle (n = 150) received no CTC, while a "CTC group" (n = 150) received in-feed CTC (10 mg/lb of body weight/day) from the 5th to the 9th day after feedlot arrival...
October 7, 2016: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/27712137/an-update-on-the-management-of-urinary-tract-infections-in-the-era-of-antimicrobial-resistance
#12
Mazen S Bader, Mark Loeb, Annie A Brooks
Urinary tract infections (UTIs) caused by antibiotic-resistant Gram-negative bacteria are a growing concern due to limited therapeutic options. Gram-negative bacteria, specifically Enterobacteriaceae, are common causes of both community-acquired and hospital acquired UTIs. These organisms can acquire genes that encode for multiple antibiotic resistance mechanisms, including extended-spectrum-lactamases (ESBLs), AmpC- β -lactamase, and carbapenemases. The assessment of suspected UTI includes identification of characteristic symptoms or signs, urinalysis, dipstick or microscopic tests, and urine culture if indicated...
October 7, 2016: Postgraduate Medicine
https://www.readbyqxmd.com/read/27648056/antimicrobial-stewardship-program-in-a-malaysian-district-hospital-first-year-experience
#13
Diana Yap Fui Sing, Yang Liang Boo, Roshalina Mukhlis, Pek Woon Chin, Fan Kee Hoo
BACKGROUNDS & OBJECTIVE: Antimicrobial resistance is an alarming public health threat that requires urgent global solution. Implementation of antimicrobial stewardship program (ASP) is an essential practice element for healthcare institutions in gate-keeping judicious antimicrobial use. This study highlighted the development, first year experience, and result of the implementation of ASP utilizing persuasive and restrictive approaches in a Malaysian district hospital. METHODS: An observational study was conducted between January 2015 to December 2015 on implementation of ASP among hospitalized inpatients age 12 years old and above...
July 2016: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/27609807/antimicrobial-resistance-among-nontyphoidal-salmonella-isolated-from-blood-in-the-united-states-2003-2013
#14
Kristina M Angelo, Jared Reynolds, Beth E Karp, R Michael Hoekstra, Christina M Scheel, Cindy Friedman
INTRODUCTION:  Salmonella causes an estimated 100,000 antimicrobial-resistant infections annually in the United States. Salmonella antimicrobial resistance may result in bacteremia and poor outcomes. We describe antimicrobial resistance among nontyphoidal Salmonella blood isolates using data from the National Antimicrobial Resistance Monitoring System. METHODS:  Human nontyphoidal Salmonella isolates from 2003-2013 were classified as fully susceptible, resistant to ≥1 antimicrobial agent, or resistant to a first-line agent...
September 8, 2016: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/27527782/observations-on-macrolide-resistance-and-susceptibility-testing-performance-in-field-isolates-collected-from-clinical-bovine-respiratory-disease-cases
#15
Keith D DeDonder, Dayna M Harhay, Michael D Apley, Brian V Lubbers, Michael L Clawson, Gennie Schuller, Gregory P Harhay, Brad J White, Robert L Larson, Sarah F Capik, Jim E Riviere, Ted Kalbfleisch, Ronald K Tessman
The objectives of this study were; first, to describe gamithromycin susceptibility of Mannheimia haemolytica, Pasteurella multocida, and Histophilus somni isolated from cattle diagnosed with bovine respiratory disease (BRD) and previously treated with either gamithromycin for control of BRD (mass medication=MM) or sham-saline injected (control=CON); second, to describe the macrolide resistance genes present in genetically typed M. haemolytica isolates; third, use whole-genome sequencing (WGS) to correlate the phenotypic resistance and genetic determinants for resistance among M...
August 30, 2016: Veterinary Microbiology
https://www.readbyqxmd.com/read/27523661/antimicrobial-resistance-among-aerobic-biofilm-producing-bacteria-isolated-from-chronic-wounds-in-the-tertiary-care-hospitals-of-peshawar-pakistan
#16
K Rahim, M Qasim, H Rahman, T A Khan, I Ahmad, N Khan, A Ullah, A Basit, S Saleha
OBJECTIVE: Chronic wound infections impose major medical and economic costs on health-care systems, cause significant morbidity, mortality and prolonged hospitalisation. The presence of biofilm producing bacteria in these wounds is considered as an important virulence factor that leads to chronic implications including ulceration. The undertaken study aimed to isolate and identify the biofilm aerobic bacterial pathogens from patients with chronic wound infections, and determine their antibiotics resistance profiles Method: During this study, swab specimens were collected from patients with chronic wounds at teaching hospitals of Peshawar, Pakistan between May 2013 and June 2014...
August 2016: Journal of Wound Care
https://www.readbyqxmd.com/read/27448610/scc-mec-typing-and-antimicrobial-resistance-of-methicillin-resistant-staphylococcus-aureus-mrsa-from-pigs-of-northeast-india
#17
S Rajkhowa, D K Sarma, S R Pegu
Staphylococcus aureus is one of the most important pathogens of both humans and animal. Methicillin-resistant Staphylococcus aureus (MRSA) is an important human pathogen that causes serious infections both in hospitals and communities due to its multidrug resistance tendency. This study was undertaken to characterize the MRSA isolates from pigs and to determine the antimicrobial resistance of these isolates. Forty nine MRSA strains (one strain per positive pig) isolated from pigs of Northeast India were characterized by SCCmec typing and antimicrobial resistance...
July 23, 2016: Veterinary Research Communications
https://www.readbyqxmd.com/read/27435649/understanding-antimicrobial-stewardship-disease-severity-treatment-thresholds-and-antimicrobial-alternatives-among-organic-and-conventional-calf-producers
#18
Greg Habing, Catherine Djordjevic, Gustavo M Schuenemann, Jeff Lakritz
Reductions in livestock antimicrobial use (AMU) can be achieved through identification of effective antimicrobial alternatives as well as accurate and stringent identification of cases requiring antimicrobial therapy. Objective measurements of selectivity that incorporate appropriate case definitions are necessary to understand the need and potential for reductions in AMU through judicious use. The objective of this study was to measure selectivity using a novel disease severity treatment threshold for calf diarrhea, and identify predictors of more selective application of antimicrobials among conventional dairy producers...
August 1, 2016: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/27342782/potential-clinical-impact-of-the-film-array-meningitis-encephalitis-panel-in-children-with-suspected-central-nervous-system-infections
#19
Kevin Messacar, Garrett Breazeale, Christine C Robinson, Samuel R Dominguez
The FilmArray Meningitis Encephalitis Panel, a multiplex PCR for testing of cerebrospinal fluid, was compared to conventional diagnostic methods in children with suspected central nervous system infections. The panel had comparable diagnostic yield (96% agreement) and improved time-to-diagnosis by 10.3 hours with potential for more judicious antimicrobial use, particularly acyclovir.
September 2016: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/27339926/judicious-use-of-prophylactic-antimicrobials-to-reduce-abdominal-surgical-site-infections-in-periparturient-cows-part-1-a-risk-factor-review
#20
S E Dumas, H M French, S N Lavergne, C R Ramirez, L J Brown, C R Bromfield, E F Garrett, D D French, B M Aldridge
Surgical site infections (SSI) are an uncommon, but significant, consequence of surgical interventions. There are very few studies investigating SSI risk in veterinary medicine, and even fewer in cattle, despite the fact that major surgeries are commonly conducted on livestock. Furthermore, the suboptimal conditions under which such surgeries are frequently performed on livestock could be considered an important risk factor for the development of SSIs. With increasing public concern over the contribution of veterinary-prescribed antimicrobials to the emergence of antimicrobial-resistant bacteria in people, there is widespread scrutiny and criticism of antimicrobial use in livestock production medicine systems...
June 25, 2016: Veterinary Record
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