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Yasutaka Mizuno, Yuri Miura, Tetsuo Yamaguchi, Tetsuya Matsumoto
BACKGROUND: International travel is considered a risk for colonisation with extended-spectrum β-lactamase-producing Enterobacteriaceae (ESBL-PE). To our knowledge, no studies to date have focused on ESBL-PE colonisation among long-termbusiness travellers. Therefore this study aimed to clarify the characteristics associated with ESBL-PE colonisation in Japanese long-term business travellers. METHODS: Japanese business travellers planning to stay abroad for ≥ 6 months were enrolled...
October 18, 2016: Travel Medicine and Infectious Disease
Víctor José Heras-Cañas, Lorena López-Cerero, Paula Díaz de-Alba, Álvaro Pascual
No abstract text is available yet for this article.
October 18, 2016: Enfermedades Infecciosas y Microbiología Clínica
A Aguirre-Quiñonero, L Martínez-Martínez
Infections caused by carbapenemase-producing bacteria are becoming a major clinical and public health concern. Detection of carbapenemase producing strains is often challenging, since susceptibility to carbapenems may vary significantly among carbapenemase producers. Some carbapenemases have shown to exhibit weak activity against carbapenems leading to minimum inhibitory concentrations of carbapenems below the breakpoint for defining clinical resistance and even below the proposed screening breakpoint. Thus, reliable and rapid detection of carbapenemase-activity is needed for an appropriate patient management and a rapid implementation of infection prevention and control measures...
October 18, 2016: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
Alexander Mischnik, Philipp Baumert, Axel Hamprecht, Anna Rohde, Silke Peter, Susanne Feihl, Johannes Knobloch, Hanna Gölz, Axel Kola, Birgit Obermann, Christiane Querbach, Matthias Willmann, Friedemann Gebhardt, Evelina Tacconelli, Petra Gastmeier, Harald Seifert, Winfried V Kern
As part of the multicenter Antibiotic Therapy Optimisation Study-the largest study on the prevalence of third-generation cephalosporin-resistant Enterobacteriaceae carriage upon hospital admission-minimum inhibitory concentration values were generated for ampicillin/sulbactam, amoxicillin/clavulanic acid, piperacillin/tazobactam, mecillinam, mecillinam/clavulanic acid, and temocillin against third-generation cephalosporin-resistant Escherichia coli, Klebsiella species and Enterobacter species.
September 23, 2016: Diagnostic Microbiology and Infectious Disease
Jeremiah Seni, Enock Sweya, Amri Mabewa, Stephen E Mshana, Japhet M Gilyoma
BACKGROUND: Secondary peritonitis is a common surgical emergence with deadly outcomes when not timely and promptly intervened. The emergence of Extended spectrum beta lactamase producing bacteria (ESBL) poses treatment challenge at Bugando Medical Centre (BMC); hence a need to evaluate the magnitude of ESBL so as to guide specific therapy. METHODS: This was a cross sectional study conducted at BMC from May 2014 to April 2015 involving patients with secondary peritonitis...
October 21, 2016: BMC Emergency Medicine
Sam Abraham, Mark O'Dea, Darren J Trott, Rebecca J Abraham, David Hughes, Stanley Pang, Genevieve McKew, Elaine Y L Cheong, John Merlino, Sugiyono Saputra, Richard Malik, Thomas Gottlieb
Carbapenem-resistant Enterobacteriaceae (CRE) are a pressing public health issue due to limited therapeutic options to treat such infections. CREs have been predominantly isolated from humans and environmental samples and they are rarely reported among companion animals. In this study we report on the isolation and plasmid characterization of carbapenemase (IMP-4) producing Salmonella enterica Typhimurium from a companion animal. Carbapenemase-producing S. enterica Typhimurium carrying blaIMP-4 was identified from a systemically unwell (index) cat and three additional cats at an animal shelter...
October 21, 2016: Scientific Reports
Richard Aschbacher, Elisabetta Pagani, Massimo Confalonieri, Claudio Farina, Paolo Fazii, Francesco Luzzaro, Pier Giorgio Montanera, Aurora Piazza, Laura Pagani
BACKGROUND: Rates of colonization and infection with multidrug-resistant (MDR) bacteria are increasing worldwide, in both acute care hospitals and long-term care facilities (LTCFs). Italy has one of the highest prevalence of MDR bacteria in European countries, especially with regard to methicillin-resistant Staphylococcus aureus (MRSA) and extended-spectrum β-lactamase (ESBL) or carbapenemase producing Enterobacteriaceae (CPE). METHOD: Review of studies on colonization by MDR bacteria from Italian LTCFs, risk factors for colonization and molecular characteristics of surveillance and clinical isolates, compared with other European countries...
2016: Antimicrobial Resistance and Infection Control
Po-Liang Lu, Ya-Ju Hsieh, Jun-En Lin, Jun-Wei Huang, Tsung-Ying Yang, Lin Lin, Sung-Pin Tseng
Although fosfomycin is a treatment option for infections caused by extended-spectrum β-lactamase (ESBL)-producing Enterobacteriaceae, fosfomycin resistance has been documented. To our knowledge, fosfomycin resistance mechanisms in Klebsiella pneumoniae have not been systematically investigated. A total of 108 ESBL-producing K. pneumoniae isolates collected from Kaohsiung Medical University Hospital, Taiwan, from August 2012 to May 2013 were analysed in this study. Pulsed-field gel electrophoresis (PFGE) revealed 64 pulsotypes and six non-typeable isolates, indicating high genetic diversity...
September 30, 2016: International Journal of Antimicrobial Agents
Sebastien Breurec, Coralie Bouchiat, Jean-Marie Sire, Olivier Moquet, Raymond Bercion, Moussa Fafa Cisse, Philippe Glaser, Ousmane Ndiaye, Sidy Ka, Helene Salord, Abdoulaye Seck, Haby Signate Sy, Remy Michel, Benoit Garin
BACKGROUND: Neonatal infection constitutes one of Senegal's most important public health problems, with a mortality rate of 41 deaths per 1,000 live births. METHODS: Between January 2007 and March 2008, 242 neonates with suspected infection were recruited at three neonatal intensive care units in three major tertiary care centers in Dakar, the capital of Senegal. Neonatal infections were confirmed by positive bacterial blood or cerebrospinal fluid culture. The microbiological pattern of neonatal infections and the antibiotic susceptibility of the isolates were characterized...
October 20, 2016: BMC Infectious Diseases
Matti Uhari
Enterobacteriaceae can produce β-lactamases that are capable of hydrolysing extended-spectrum cephalosporins, namely cefotaxime, ceftriaxone, ceftizoxime and ceftatzidime. Today there are more than 1,600 different known β-lactamases (1) and, although the first reports of extended spectrum beta-lactamases (ESBL) were from Germany and England, ESBL producing bacteria have been particularly common in France (2). This article is protected by copyright. All rights reserved.
October 20, 2016: Acta Paediatrica
Francesco Savino, Andrea Quartieri, Angela De Marco, Maria Garro, Alberto Amaretti, Stefano Raimondi, Marta Simone, Maddalena Rossi
AIM: This study compared the faecal microbial composition of formula-fed infants who did and did not have colic. METHODS: Faecal samples from formula-fed infants under 16 weeks of age with (n=38) and without (n=39) colic were collected at Department of Pediatrics in Turin, Italy, between February 2014 and October 2015. The pH and faecal ammonia were determined and total bacteria, bifidobacteria, lactic acid bacteria (LAB) and coliforms were quantified by fluorescent in situ hybridisation (FISH)...
October 20, 2016: Acta Paediatrica
C O'Connor, M G Kiernan, C Finnegan, J Powell, L Power, N H O'Connell, C P Dunne
BACKGROUND: The Mid-West of Ireland has higher than average national rates of invasive extended-spectrum beta-lactamase (ESBL) bloodstream infections and carbapenemase-producing Enterobacteriaceae (CPE), with increasing numbers of ESBL isolates detected in community-dwelling patients. AIMS: To conduct a point prevalence study in a convenience sample of the Mid-West population with the aim of determining the extent of ESBL colonisation. METHODS: Utilising anonymised community stool samples that had completed routine analysis, we conducted a point prevalence study over a 4-week period on all samples that met defined inclusion and exclusion criteria...
September 24, 2016: Irish Journal of Medical Science
James Knox, Claire Gregory, Louise Prendergast, Chandrika Perera, Jennifer Robson, Lynette Waring
Stool specimens spiked with a panel of 46 carbapenemase-producing Enterobacteriaceae (CPE) and 59 non-carbapenemase producers were used to compare the diagnostic accuracy of 4 testing algorithms for the detection of intestinal carriage of CPE: (1) culture on Brilliance ESBL agar followed by the Carba NP test; (2) Brilliance ESBL followed by the Carba NP test, plus chromID OXA-48 agar with no Carba NP test; (3) chromID CARBA agar followed by the Carba NP test; (4) chromID CARBA followed by the Carba NP test, plus chromID OXA-48 with no Carba NP test...
September 30, 2016: Diagnostic Microbiology and Infectious Disease
Taous Saraoui, Josiane Cornet, Emilie Guillouet, Marie France Pilet, Frédérique Chevalier, Jean-Jacques Joffraud, Françoise Leroi
Tropical shrimp is of considerable economic importance in the world but is highly perishable due to microbial and chemical degradation. Biopreservation is a food preservation technology based on the addition of "positive" bacteria able to kill or prevent the growth of undesirable microorganisms. Two strains of lactic acid bacteria (LAB) have previously been selected for a biopreservation strategy: Lactococcus piscium CNCM I-4031, for its ability to prevent the sensory deterioration of seafood and Carnobacterium divergens V41, which inhibits growth of Listeria monocytogenes...
October 3, 2016: International Journal of Food Microbiology
Sara A Buckman, Tamara Krekel, Anouk E Muller, John E Mazuski
The treatment of complicated intra-abdominal infections (cIAI) is increasingly challenging due to increased resistance of Gram-negative organisms. These multidrug resistant organisms lead to an increase in morbidity and mortality. This has led to renewed interest in use of older β-lactam antibiotics in combination with newer β-lactamase inhibitors. Ceftazidime-avibactam is one of the newest such combination antibiotics, which has been released for treatment of complicated intra-abdominal infections in combination with metronidazole...
October 19, 2016: Expert Opinion on Pharmacotherapy
N Korsak, B Taminiau, C Hupperts, L Delhalle, C Nezer, V Delcenserie, G Daube
The aim of this study was to investigate the influence of the slaughter technique (Halal vs Classical slaughter) on the superficial contamination of cattle carcasses, by using traditional microbiological procedures and 16S rDNA metagenetics. The purpose was also to investigate the neck area to identify bacteria originating from the digestive or the respiratory tract. Twenty bovine carcasses (10 from each group) were swabbed at the slaughterhouse, where both slaughtering methods are practiced. Two swabbing areas were chosen: one "legal" zone of 1600cm(2) (composed of zones from rump, flank, brisket and forelimb) and locally on the neck area (200cm(2))...
October 11, 2016: International Journal of Food Microbiology
A Kirby, C Berry, R West
Enterobacteriaceae are increasingly antibiotic resistant, and skin colonization may contribute to their spread in hospitals. This study screened 100 hospitalized adults for Enterobacteriaceae skin colonization, and assessed potential risk factors, including antibiotic consumption. Multi-variable analysis found that antibiotic consumption whilst an inpatient [odds ratio (OR) 3.16, 95% confidence interval (CI) 1.19-8.4] and male sex (OR 2.92, 95% CI 1.06-8.4) were risk factors for Enterobacteriaceae skin colonization...
September 21, 2016: Journal of Hospital Infection
Laurence Armand-Lefevre, Etienne Ruppé, Antoine Andremont
No abstract text is available yet for this article.
October 14, 2016: Lancet Infectious Diseases
Maris S Arcilla, Jarne M van Hattem, Manon R Haverkate, Martin C J Bootsma, Perry J J van Genderen, Abraham Goorhuis, Martin P Grobusch, Astrid M Oude Lashof, Nicky Molhoek, Constance Schultsz, Ellen E Stobberingh, Henri A Verbrugh, Menno D de Jong, Damian C Melles, John Penders
BACKGROUND: International travel contributes to the dissemination of antimicrobial resistance. We investigated the acquisition of extended-spectrum β-lactamase-producing Enterobacteriaceae (ESBL-E) during international travel, with a focus on predictive factors for acquisition, duration of colonisation, and probability of onward transmission. METHODS: Within the prospective, multicentre COMBAT study, 2001 Dutch travellers and 215 non-travelling household members were enrolled...
October 14, 2016: Lancet Infectious Diseases
Manon R Haverkate, Shayna Weiner, Karen Lolans, Nicholas M Moore, Robert A Weinstein, Marc J M Bonten, Mary K Hayden, Martin C J Bootsma
Background.  High prevalence of Klebsiella pneumoniae carbapenemase (KPC)-producing Enterobacteriaceae has been reported in long-term acute care hospitals (LTACHs), in part because of frequent readmissions of colonized patients. Knowledge of the duration of colonization with KPC is essential to identify patients at risk of KPC colonization upon readmission and to make predictions on the effects of transmission control measures. Methods.  We analyzed data on surveillance isolates that were collected at 4 LTACHs in the Chicago region during a period of bundled interventions, to simultaneously estimate the duration of colonization during an LTACH admission and between LTACH (re)admissions...
October 2016: Open Forum Infectious Diseases
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