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Carbapeneme resistancy

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https://www.readbyqxmd.com/read/28431478/successful-treatment-of-multidrug-resistant-acinetobacter-baumannii-meningitis-with-ampicillin-sulbactam-in-primary-hospital
#1
Leitao Sun, Xiaohong Wang, Zefu Li
INTRODUCTION: Acinetobacter baumannii nosocomial infections, especially those due to multi-drug resistant strains, are increasingly detected. We want to find the effective treatment measures about multi-resistant Acinetobacter baumannii infections through this research. METHODOLOGY: The clinical features and the outcomes of twelve cases of nosocomial Acinetobacter baumannii meningitis treated with ampicillin sulbactam and intrathecal use of amikacin are reported in primary hospital...
April 21, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/28429335/imipenem-resistance-in-serratia-marcescens-is-mediated-by-plasmid-expression-of-kpc-2
#2
W-Q Su, Y-Q Zhu, N-M Deng, L Li
OBJECTIVE: Imipenem is a broad-spectrum carbapenem antibiotic with applications against severe bacterial infections. Here, we describe the identification of imipenem-resistant Serratia marcescens in our hospital and the role of plasmid-mediated KPC-2 expression in imipenem resistance. MATERIALS AND METHODS: We used the modified Hodge test to detect carbapenemase produced in imipenem-resistant strains. RESULTS: His resistance can be transferred to E...
April 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28427991/impact-of-the-pneumococcal-conjugate-vaccine-on-serotype-distribution-of-adult-non-invasive-streptococcus-pneumoniae-isolates-in-tokai-region-japan-2008-2016
#3
Yuri Furuya, Yuka Yamagishi, Hayato Okade, Takumi Kadota, Tori Funatsu, Maki Eto, Nobuhiko Nomura, Junichi Mitsuyama, Hiroshige Mikamo
The introduction of the 7-valent pneumococcal conjugate vaccine (PCV7) in February 2010 markedly reduced the burden of invasive pneumococcal disease and changed serotype distribution in Japan. In November 2013, PCV7 was replaced by the 13-valent pneumococcal conjugate vaccine (PCV13). We investigated the serotype distribution and susceptibility trends of non-invasive Streptococcus pneumoniae isolates collected from adult patients. A total of 504 pneumococcal isolates were collected during 4 periods between 2008 and 2016 (Period 1; between June 2008 and April 2009, Period 2; between September 2010 and March 2011, Period 3; between October 2011 and March 2012, Period 4; between August 2015 and January 2016)...
April 17, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28427842/predominance-of-international-clone-2-oxa-23-producing-acinetobacter-baumannii-clinical-isolates-in-greece-2015-results-of-a-nationwide-study
#4
Spyros Pournaras, Konstantina Dafopoulou, Mariateresa Del Franco, Olympia Zarkotou, Evangelia Dimitroulia, Efi Protonotariou, Aggeliki Poulou, Raffaele Zarrilli, Athanasios Tsakris
In a previous nationwide study in Greece, OXA-58 was the sole carbapenemase present among carbapenem-resistant Acinetobacter baumannii (CRAB) isolated between 2000 and 2009. In this study, the antibiotic resistances, carbapenemase gene content and clonal relatedness of 194 single-patient CRAB clinical isolates collected randomly during 2015 from 11 tertiary hospitals located throughout Greece were investigated. Antimicrobial susceptibility was determined using commercial and dilution methods. PCR for carbapenemase genes were performed...
April 18, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28425271/molecular-characteristics-and-antibiotic-resistance-of-acinetobacter-baumanniibeta-lactamase-producing-isolates-a-predominance-of-intrinsic-blaoxa-51-and-detection-of-tem-and-ctx-m-genes
#5
Amir Ibrahimagić, Farah Kamberović, Selma Uzunović, Branka Bedenić, Emina Idrizović
BACKGROUND/AIM: The aim of this study was to determine the molecular characteristics and antibiotic resistance of 13 (10 inpatient and three outpatient) Acinetobacter baumannii beta-lactamase-producing isolates collected in Bosnia and Herzegovina between December 2009 and May 2010. MATERIALS AND METHODS: Susceptibility testing was performed by disk diffusion and broth microdilution methods. The modified Hodge and combined disk test with EDTA/phenylboronic acid was used to screen for carbapenemase production...
April 18, 2017: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28421643/empiric-antibiotic-regimens-for-neonatal-sepsis-in-australian-and-new-zealand-neonatal-intensive-care-units
#6
Jeremy P Carr, David P Burgner, Rohan S Hardikar, Jim P Buttery
AIM: Neonatal sepsis remains an important cause of morbidity and mortality, and requires prompt empiric treatment. However, only a minority of babies who receive antibiotics for suspected sepsis have an infection. Antimicrobial exposure in infancy has important short- and long-term consequences. There is no consensus regarding empirical antimicrobial regimens. METHODS: The study included a survey of empiric antimicrobial regimens in all tertiary neonatal intensive care units in Australia and New Zealand in 2013-2014...
April 19, 2017: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/28420242/high-prevalence-of-ndm-metallo-%C3%AE-lactamase-among-esbl-producing-escherichia-coli-%C3%A4-solates
#7
Yeliz Çetinkol, Cemal Sandalli, Mustafa Kerem Çalgin, Arzu Altunçekiç Yildirim, Esma Akyildiz, Esin Karaman, Ayşegül Çopur Çiçek
Resistance to β-lactams in Enterobacteriaceae has been increasing worldwide. This study aimed to determine the frequency of β-lactamase genes and antibiotic resistance rates of 140 extended-spectrum β-lactamase (ESBL)-producing Escherichia coli isolates obtained from urinary tract infection in Ordu Province, Turkey. Isolates were identified by classic methods and by automated system. ESBL production was confirmed by double disk synergy test and antimicrobial susceptibility was investigated by disk diffusion method...
April 19, 2017: Acta Microbiologica et Immunologica Hungarica
https://www.readbyqxmd.com/read/28418318/carbapenem-resistant-enterobacter-cloacae-in-patients-from-the-us-veterans-health-administration-2006-2015
#8
Brigid M Wilson, Nadim G El Chakhtoura, Sachin Patel, Elie Saade, Curtis J Donskey, Robert A Bonomo, Federico Perez
We analyzed carbapenem-resistant Enterobacteriaceae (CRE) trends among patients from the US Veterans Health Administration (VHA). After the emergence of CRE in the eastern United States, resistance rates remained stable in Klebsiella pneumoniae but increased in Enterobacter cloacae complex, suggesting a "second epidemic". VHA offers a vantage point for monitoring nationwide CRE trends.
May 2017: Emerging Infectious Diseases
https://www.readbyqxmd.com/read/28417918/high-prevalence-of-blandm-1-blavim-qace-and-qace%C3%AE-1-genes-and-their-association-with-decreased-susceptibility-to-antibiotics-and-common-hospital-biocides-in-clinical-isolates-of-acinetobacter-baumannii
#9
Fatma Alzahraa M Gomaa, Zeinab H Helal, Mazhar I Khan
The objective of this study was to evaluate the susceptibility of metallo-β-lactamase (MBL)-producing Acinetobacter baumannii (A. baumannii) clinical isolates to biocides. We also determined the prevalence and correlation of efflux pump genes, class 1 integron and MBL encoding genes. In addition, blaVIM, blaNDM-1, qacE and qacEΔ1 nucleotide sequence analysis was performed and compared to sequences retrieved from GenBank at the National Center for Biotechnology Information database. A. baumannii had a resistance rate to carbapenem of 71...
April 12, 2017: Microorganisms
https://www.readbyqxmd.com/read/28415969/carbapenem-resistance-inappropriate-empiric-treatment-and-outcomes-among-patients-hospitalized-with-enterobacteriaceae-urinary-tract-infection-pneumonia-and-sepsis
#10
Marya D Zilberberg, Brian H Nathanson, Kate Sulham, Weihong Fan, Andrew F Shorr
BACKGROUND: Drug resistance among gram-negative pathogens is a risk factor for inappropriate empiric treatment (IET), which in turn increases the risk for mortality. We explored the impact of carbapenem-resistant Enterobacteriaceae (CRE) on the risk of IET and of IET on outcomes in patients with Enterobacteriaceae infections. METHODS: We conducted a retrospective cohort study in Premier Perspective database (2009-2013) of 175 US hospitals. We included all adult patients with community-onset culture-positive urinary tract infection (UTI), pneumonia, or sepsis as a principal diagnosis, or as a secondary diagnosis in the setting of respiratory failure, treated with antibiotics within 2 days of admission...
April 17, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28411959/implementation-and-outcomes-of-an-antimicrobial-stewardship-program-effectiveness-of-education
#11
Yea-Yuan Chang, Hsin-Pai Chen, Chia-Wei Lin, Jen-Jen Tang, Ti-Ying Hsu, Yueh-Chun Weng, Yuan-Ming Lee, Wei-Shu Wang, Su-Shun Lo
BACKGROUND: Unnecessary use of antibiotics is a common occurrence in hospitals. Implementation of antibiotic stewardship programs (ASPs) has been shown to reduce both unnecessary antibiotic use and drug-resistant bacteria. Education is a fundamental component of an ASP. However, the effectiveness of proper uses of antibiotics education has not been clearly analyzed. METHODS: In a 520-bed university hospital located in northeastern Taiwan, a significantly increasing prescription of carbapenems, specifically imipenem and meropenem, was observed...
April 12, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/28411141/formulation-of-carbapenems-loaded-gold-nanoparticles-to-combat-multi-antibiotic-bacterial-resistance-in-vitro-antibacterial-study
#12
Mohamed A Shaker, Mona I Shaaban
Despite the fact that carbapenems (powerful β-lactams antibiotics) were able to fight serious infectious diseases, nowadays the spread of carbapenems-resistant bacteria is considered the main challenge in antibacterial therapy. In this study, we focused on evaluating the surface conjugation of carbapenems (imipenem and meropenem) with gold nanoparticles as a delivering strategy to specifically and safely maximize their therapeutic efficacy while destroying the developing resistance of the pathogens. Different particle size formulae (35, 70 and 200nm) were prepared by citrate reduction method...
April 11, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28404680/development-and-validation-of-a-lateral-flow-immunoassay-for-the-rapid-detection-of-ndm-producing-enterobacteriaceae
#13
Hervé Boutal, Thierry Naas, Karine Devilliers, Saoussen Oueslati, Laurent Dortet, Sandrine Bernabeu, Stéphanie Simon, Hervé Volland
The global spread of carbapenemase-producing Enterobacteriaceae (CPE) that are often resistant to most, if not all, classes of antibiotics is a major public health concern. NDM-1 carbapenemase is among the most worrisome carbapenemases given its rapid worldwide spread. We have developed and evaluated a lateral flow immunoassay (LFIA, called NDM LFIA) for rapid and reliable detection of NDM-like carbapenemase-producing Enterobacteriaceae from culture colonies.We evaluated the NDM LFIA using 175 reference enterobacterial isolates with characterized ß-lactamase gene content and 74 non-duplicate consecutive carbapenem-resistant clinical isolates referred for expertise to the French National Reference Center (NRC) for antibiotic resistance during a one-week period (in June 2016)...
April 12, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28402724/carbapenem-resistant-enterobacteriaceae-what-we-know-and-what-we-need-to-know
#14
David van Duin
No abstract text is available yet for this article.
April 12, 2017: Virulence
https://www.readbyqxmd.com/read/28402500/evaluation-of-the-aid-carbapenemase-line-probe-assay-for-rapid-detection-and-identification-of-carbapenemase-genes-in-gram-negative-bacilli
#15
Guido V Bloemberg, Andrea Braun-Kiewnick, Jan Tedrup, Carla Meijerink, Elena Durer, Claudia Ritter, Peter M Keller, Michael Hombach
Objectives: This study evaluated the AID carbapenemase line probe assay (LPA) for the detection and identification of carbapenem resistance genes in Enterobacteriaceae and other Gram-negative bacilli (GNB) using bacterial cultures and DNA extracts directly from patient urine samples. Methods: The AID carbapenemase LPA detects 13 different carbapenemase genes. Test probe accuracy was verified for using clinical Enterobacteriaceae isolates harbouring bla KPC , bla VIM , bla NDM , bla GIM , bla AIM , bla SPM , bla IMP and bla OXA-48 and a well-characterized set of Escherichia coli DH5α strains transformed with the vector plasmid pUC57- kan harbouring bla BIC , bla SIM , bla DIM , bla IMI-3 , bla IMI-1 and bla NMC-A ...
April 11, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28400686/convergence-of-minds-for-better-patient-outcome-in-intensive-care-unit-infections
#16
Chand Wattal, Yash Javeri, Neeraj Goel, Debashish Dhar, Sonal Saxena, Sarman Singh, Jaswinder Kaur Oberoi, B K Rao, Purva Mathur, Vikas Manchanda, Vivek Nangia, Arti Kapil, Ashok Rattan, Supradip Ghosh, Omender Singh, Vinod Singh, Iqbal Kaur, Sanghamitra Datta, Sharmila Sen Gupta
BACKGROUND: There is emergence of resistance to the last-line antibiotics such as carbapenems in Intensive Care Units (ICUs), leaving little effective therapeutic options. Since there are no more newer antibiotics in the armamentarium in the near future, it has become imperative that we harness the interdisciplinary knowledge for the best clinical outcome of the patient. AIMS: The aim of the conference was to utilize the synergies between the clinical microbiologists and critical care specialists for better patient care and clinical outcome...
March 2017: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28399890/imipenem-cilastatin-encapsulated-polymeric-nanoparticles-for-destroying-carbapenem-resistant-bacterial-isolates
#17
Mona I Shaaban, Mohamed A Shaker, Fatma M Mady
BACKGROUND: Carbapenem-resistance is an extremely growing medical threat in antibacterial therapy as the incurable resistant strains easily develop a multi-resistance action to other potent antimicrobial agents. Nonetheless, the protective delivery of current antibiotics using nano-carriers opens a tremendous approach in the antimicrobial therapy, allowing the nano-formulated antibiotics to beat these health threat pathogens. Herein, we encapsulated imipenem into biodegradable polymeric nanoparticles to destroy the imipenem-resistant bacteria and overcome the microbial adhesion and dissemination...
April 11, 2017: Journal of Nanobiotechnology
https://www.readbyqxmd.com/read/28396656/prescription-patterns-for-tigecycline-in-severely-ill-patients-for-non-fda-approved-indications-in-a-developing-country-a-compromised-outcome
#18
Rima A Moghnieh, Dania I Abdallah, Ismail A Fawaz, Tarek Hamandi, Mohammad Kassem, Nabila El-Rajab, Tamima Jisr, Anas Mugharbil, Nabila Droubi, Samaa Al Tabah, Loubna Sinno, Fouad Ziade, Ziad Daoud, Ahmad Ibrahim
Introduction: With the rise in antibiotic resistance, tigecycline has been used frequently in off-label indications, based on its in-vitro activity against multidrug-resistant organisms. In this study, our aim was to assess its use in approved and unapproved indications. Materials and Methods: This is a retrospective chart review evaluating a 2-year experience of tigecycline use for > 72 h in 153 adult patients inside and outside critical care unit from January 2012 to December 2013 in a Lebanese tertiary-care hospital...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28396549/in-vivo-pharmacokinetics-and-pharmacodynamics-of-zti-01-fosfomycin-for-injection-in-the-neutropenic-murine-thigh-infection-model-against-e-coli-k-pneumoniae-and-p-aeruginosa
#19
Alexander J Lepak, Miao Zhao, Brian VanScoy, Daniel S Taylor, Evelyn Ellis-Grosse, Paul G Ambrose, David R Andes
Fosfomycin is a broad-spectrum agent with activity against gram-positive and gram-negative bacteria, including drug-resistant strains, such as extended spectrum beta-lactamase (ESBL)-producing and carbapenem-resistant (CR) gram-negative rods. In the present study, the pharmacokinetic/pharmacodynamic (PK/PD) activity of ZTI-01 (fosfomycin for injection) was evaluated in the neutropenic murine thigh infection model against 5 E. coli (EC), 3 K. pneumoniae (KPN), and 2 P. aeruginosa (PSA) strains, including a subset with ESBL and CR phenotype...
April 10, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28396541/antibiotic-resistance-markers-in-strain-bp1651-of-burkholderia-pseudomallei-identified-by-genome-sequence-analysis
#20
Julia V Bugrysheva, David Sue, Jay E Gee, Mindy G Elrod, Alex R Hoffmaster, Linnell B Randall, Sunisa Chirakul, Apichai Tuanyok, Herbert P Schweizer, Linda M Weigel
Burkholderia pseudomallei Bp1651 is resistant to several classes of antibiotics that are usually effective for treatment of melioidosis including β-lactams such as penicillins (amoxicillin/clavulanic acid), cephalosporins (ceftazidime), carbapenems (imipenem and meropenem), as well as tetracyclines and sulfonamides. We sequenced, assembled, and annotated the Bp1651 genome, and analyzed the sequence using comparative genomic analyses with susceptible strains, keyword searches of the annotation, publicly available antimicrobial resistance prediction tools, and published reports...
April 10, 2017: Antimicrobial Agents and Chemotherapy
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