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ESBL Piperacillin-Tazobactam

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https://www.readbyqxmd.com/read/29127502/piperacillin-tazobactam-as-alternative-to-carbapenems-for-icu-patients
#1
REVIEW
Benoit Pilmis, Vincent Jullien, Alexis Tabah, Jean-Ralph Zahar, Christian Brun-Buisson
Several studies suggest that alternatives to carbapenems, and particulary beta-lactam/beta-lactamase inhibitor combinations, can be used for therapy of extended-spectrum beta-lactamase-producing Enterobacteriaceae (ESBL-PE)-related infections in non-ICU patients. Little is known concerning ICU patients in whom achieving the desired plasmatic pharmacokinetic/pharmacodynamic (PK/PD) target may be difficult. Also, in vitro susceptibility to beta-lactamase inhibitors might not translate into clinical efficacy. We reviewed the recent clinical studies examining the use of BL/BLI as alternatives to carbapenems for therapy of bloodstream infection, PK/PD data and discuss potential ecological benefit from avoiding the use of carbapenems...
November 10, 2017: Annals of Intensive Care
https://www.readbyqxmd.com/read/29089174/clinical-outcomes-of-elderly-patients-with-bloodstream-infections-due-to-extended-spectrum-%C3%AE-lactamase-producing-enterobacteriaceae-in-an-italian-internal-medicine-ward
#2
Simone Meini, Raffaele Laureano, Carlo Tascini, Fabio Arena, Lucia Fani, Anna Frullini, Maria Teresa Passaleva, Anna Teresa Roberts, Dario Mannini, Francesco Sbrana, Andrea Ripoli, Gian Maria Rossolini
PURPOSE: Infections caused by ESBL-producing Enterobacteriaceae (ESBL-EB) are a major health problem, but data regarding elderly patients is lacking. METHODS: We performed a retrospective observational study quantifying the effects of antimicrobial treatment and primary infection site on clinical outcomes in an historical case series of 42 patients aged 80.7±10years admitted to an Internal Medicine ward in Italy for ESBL-EB bloodstream infections (BSI). RESULTS: At multivariate risk analysis, we found that urinary tract as primary infection site (RR=0...
October 28, 2017: European Journal of Internal Medicine
https://www.readbyqxmd.com/read/29067059/phenotypic-characterization-of-extended-spectrum-beta-lactamase-producing-e-coli-from-healthy-individuals-patients-sewage-sludge-cattle-chickens-and-raw-meat
#3
Rabia Saleem, Hasan Ejaz, Aizza Zafar, Sonia Younas, Ahsan Waheed Rathore
OBJECTIVE: The present study aimed to determine the frequency and antimicrobial profile of ESBL-producing isolates of E. coli in different environments. METHODS: This cross-sectional study was conducted at The Children's Hospital and The Institute of Child Health, Lahore from July to December 2015. The faecal specimens from healthy individuals, patients, sewage sludge, cattle, chickens and raw meat (n = 122) were processed for microbiological analysis using MacConkey agar supplemented with cefotaxime...
July 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/29042339/clonal-dissemination-of-oxa-48-producing-enterobacter-cloacae-isolated-from-companion-animals-in-algeria
#4
Massilia Yousfi, Abdelaziz Touati, Anaelle Muggeo, Brazane Mira, Asma Bourouis, Lucien Brasme, Thomas Guillard, Christophe de Champs
OBJECTIVES: The aim of this study was to investigate carbapenemase-producing Enterobacteriaceae (CPE) in companion animals. METHODS: Between October 2015 and April 2016, 533 rectal swabs were obtained from healthy and diseased pets in different cities in Algeria. Samples collected were plated on MacConkey agar supplemented with ertapenem (0.5mg/L). The isolates were identified by MALDI-TOF mass spectroscopy. Antimicrobial susceptibility testing was performed using disk diffusion method...
October 14, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/29039729/antimicrobial-activity-of-ceftolozane-tazobactam-tested-against-enterobacteriaceae-and-pseudomonas-aeruginosa-with-various-resistance-patterns-isolated-in-u-s-hospitals-2013-2016-as-part-of-the-surveillance-program-program-to-assess-ceftolozane-tazobactam-susceptibility
#5
Dee Shortridge, Michael A Pfaller, Mariana Castanheira, Robert K Flamm
This study evaluated the in vitro activity of ceftolozane-tazobactam and comparator agents tested against Enterobacteriaceae and Pseudomonas aeruginosa isolates from hospitalized patients in the United States. Ceftolozane-tazobactam is an antipseudomonal cephalosporin combined with a well-established β-lactamase inhibitor. A total of 18,960 organisms (15,223 Enterobacteriaceae and 3,737 P. aeruginosa) were consecutively collected from 32 medical centers located in all nine U.S. census divisions from 2013 to 2016...
October 17, 2017: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/29027385/antimicrobial-susceptibilities-of-enterobacteriaceae-in-community-acquired-urinary-tract-infections-during-a-5-year-period-a-single-hospital-study-in-korea
#6
Jin Ju Park, Yu Bin Seo, Jacob Lee
BACKGROUND: Through investigating antimicrobial susceptibility patterns of Enterobacteriaceae in community-acquired urinary tract infection (CA-UTI), we provide basic evidence for the use of empirical antibiotics in CA-UTI. MATERIALS AND METHODS: We retrospectively reviewed the medical records of patients over the age of 19 years who visited a hospital in Seoul between January 2012 and December 2016 for a CA-UTI. Urine cultures were used to identify causative organisms...
September 2017: Infection & Chemotherapy
https://www.readbyqxmd.com/read/28993143/ceftolozane-tazobactam-activity-against-drug-resistant-enterobacteriaceae-and-pseudomonas-aeruginosa-causing-health-care-associated-infections-in-the-asia-pacific-region-apac-minus-china-australia-and-new-zealand-report-from-an-antimicrobial-surveillance-program
#7
M A Pfaller, D Shortridge, H S Sader, M Castanheira, R K Flamm
OBJECTIVES: To evaluate the in vitro activity of ceftolozane-tazobactam and comparator agents tested against Enterobacteriaceae and Pseudomonas aeruginosa isolates from patients in the Asia-Pacific region (APAC) with health care associated infections (HAI). Ceftolozane-tazobactam is an antipseudomonal cephalosporin combined with a well-established β-lactamase inhibitor. METHODS: A total of 1,963 gram-negative organisms (489 P. aeruginosa and 1,474 Enterobacteriaceae) were consecutively collected using a prevalence-based approach from 14 medical centers in the APAC region...
October 6, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28991315/-impact-of-rational-use-of-antibiotics-in-a-third-level-clinic-in-colombia
#8
Christian J Pallares, Juan C Cataño
BACKGROUND: The increasing resistance of bacteria to antibiotics threatens the survival of patients and health costs. AIM: To determine the impact of an antimicrobial stewardship program in bacterial resistance and antibiotic consumption. MATERIALS AND METHODS: Quasi experimental study in a third level clinic in the city of Medellin, that evaluate in two time periods (pre-intervention between October 2012 and September 2013 and post intervention between October 2013 and September 2014) the impact of an antimicrobial stewardship program in terms of antibiotic consumption and bacterial ecology...
June 2017: Revista Chilena de Infectología: órgano Oficial de la Sociedad Chilena de Infectología
https://www.readbyqxmd.com/read/28941394/ceftolozane-tazobactam-activity-against-drug-resistant-enterobacteriaceae-and-pseudomonas-aeruginosa-causing-healthcare-associated-infections-in-latin-america-report-from-an-antimicrobial-surveillance-program-2013-2015
#9
Michael A Pfaller, Dee Shortridge, Helio S Sader, Ana Gales, Mariana Castanheira, Robert K Flamm
This study evaluated the in vitro activity of ceftolozane-tazobactam and comparator agents tested against Latin American isolates of Enterobacteriaceae and Pseudomonas aeruginosa from patients with health care-associated infections. Ceftolozane-tazobactam is an antipseudomonal cephalosporin combined with a well-established β-lactamase inhibitor. A total of 2415 Gram-negative organisms (537 P. aeruginosa and 1878 Enterobacteriaceae) were consecutively collected in 12 medical centers located in four Latin American countries...
September 21, 2017: Brazilian Journal of Infectious Diseases
https://www.readbyqxmd.com/read/28927454/extended-spectrum-beta-lactamase-and-metallo-beta-lactamase-production-among-escherichia-coli-and-klebsiella-pneumoniae-isolated-from-different-clinical-samples-in-a-tertiary-care-hospital-in-kathmandu-nepal
#10
Krishus Nepal, Narayan Dutt Pant, Bibhusan Neupane, Ankit Belbase, Rikesh Baidhya, Ram Krishna Shrestha, Binod Lekhak, Dwij Raj Bhatta, Bharat Jha
BACKGROUND: Extended spectrum beta-lactamase (ESBL) and metallo beta-lactamase (MBL) production in Klebsiella pneumoniae and Escherichia coli are the commonest modes of drug resistance among these commonly isolated bacteria from clinical specimens. So the main purpose of our study was to determine the burden of ESBL and MBL production in E. coli and K. pneumoniae isolated from clinical samples. Further, the antimicrobial susceptibility patterns of E. coli and K. pneumoniae were also determined...
September 19, 2017: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/28904920/antimicrobial-susceptibility-pattern-of-extended-spectrum-beta-lactamases-producing-organisms-isolated-in-a-tertiary-care-hospital-bangladesh
#11
Mohammad Jobayer, Zeenat Afroz, Sultana Shazeda Nahar, Ayesha Begum, Shahin Ara Begum, S M Shamsuzzaman
CONTEXT: Infection caused by extended-spectrum beta-lactamases (ESBL) producing organism is a major problem regarding antibiotic resistance. AIMS: The aim of this study was to find out the antibiogram of ESBL producing organisms isolated from various samples. SETTINGS AND DESIGN: This cross-sectional study was carried out in the Department of Microbiology of a Tertiary Care Hospital, Dhaka, Bangladesh from January to June 2014. SUBJECTS AND METHODS: One Hundred and seventy-nine ESBL producing Gram-negative organisms detected phenotypically by double-disc synergy test were enrolled in this study...
July 2017: International Journal of Applied and Basic Medical Research
https://www.readbyqxmd.com/read/28840351/activity-of-temocillin-and-15-other-agents-including-fosfomycin-and-colistin-against-enterobacteriaceae-in-hong-kong
#12
Margaret Ip, Christopher K Lai, Kitty S C Fung, K-Tak Wong, Chendi Zhu, Sebastien Van de Velde, Dominic N Tsang, Peter Hawkey
Limited data are available on temocillin susceptibilities in Enterobacteriaceae from Asian countries where antimicrobial resistance is prevalent. The in vitro activities of temocillin and 15 commonly used antimicrobials against 613 non-duplicate blood (n = 310) and urine (with clinically significant bacteriuria; n = 303) isolates of Enterobacteriaceae from patients who attended 3 out of 7 clusters of public hospitals of the Hospital Authority, Hong Kong, during 2015/2016 were tested. Minimum inhibitory concentrations (MICs) were determined by Clinical and Laboratory Standards Institute (CLSI) microbroth dilution (agar dilution with fosfomycin)...
August 25, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28827415/antimicrobial-activity-of-ceftazidime-avibactam-tested-against-multidrug-resistant-enterobacteriaceae-and-pseudomonas-aeruginosa-isolates-from-u-s-medical-centers-2013-to-2016
#13
Helio S Sader, Mariana Castanheira, Dee Shortridge, Rodrigo E Mendes, Robert K Flamm
The in vitro activity of ceftazidime-avibactam and many comparator agents was determined against various resistant subsets of organisms selected among 36,380 Enterobacteriaceae and 7,868 Pseudomonas aeruginosa isolates. The isolates were consecutively collected from 94 U.S. hospitals, and all isolates were tested for susceptibility by reference broth microdilution methods in a central monitoring laboratory (JMI Laboratories). Enterobacteriaceae isolates resistant to carbapenems (CRE) and/or ceftazidime-avibactam (MIC ≥ 16 μg/ml) were evaluated for the presence of genes encoding extended-spectrum β-lactamases and carbapenemases...
November 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28799833/plasmid-mediated-colistin-resistance-gene-mcr-1-in-an-escherichia-coli-st10-bloodstream-isolate-in-the-sultanate-of-oman
#14
Jalila Mohsin, Tibor Pál, Jorgen Eskild Petersen, Dania Darwish, Akela Ghazawi, Tanveer Ashraf, Agnes Sonnevend
AIMS: To identify plasmid-mediated colistin resistance in clinical Enterobacteriaceae isolates in Oman, where this resistance mechanism has not been encountered yet. MATERIALS/METHODS: Twenty-two colistin-resistant Enterobacteriaceae clinical isolates collected between July 2014 and June 2016 in a tertiary care hospital in Muscat were screened by PCR for the mcr-1 and mcr-2 genes. The strain identified as mcr-1 positive was genotyped and its antibiotic susceptibility was established...
August 11, 2017: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/28768448/resistance-phenotypes-and-susceptibility-of-contemporary-serratia-isolates-in-the-university-hospital-of-crete-greece
#15
George Samonis, Konstantinos Z Vardakas, Sofia Maraki, Petroula Stamouli, Viktoria-Eirini Mavromanolaki, Diamantis P Kofteridis, Matthew E Falagas
OBJECTIVE: To study changes in the susceptibility of Serratia spp. in Crete, Greece (2010-2015). METHODS: Non-duplicate isolates were examined using automated systems. Phenotypic confirmatory tests were applied. RESULTS: Three hundred and seventy-eight Serratia spp. were analyzed. Serratia marcescens (88.3%) was the predominant species. Fluoroquinolones (97.9%), carbapenems (97.4%) and fosfomycin (97.4%) were the most active followed by amikacin (95...
August 2, 2017: Infectious Diseases
https://www.readbyqxmd.com/read/28749329/in-vitro-efficacy-of-16-antimicrobial-drugs-against-a-large-collection-of-%C3%AE-lactamase-producing-isolates-of-extraintestinal-pathogenic-escherichia-coli-from-dogs-and-cats
#16
Takae Shimizu, Kazuki Harada, Yuzo Tsuyuki, Yui Kimura, Tadashi Miyamoto, Shingo Hatoya, Yoshiaki Hikasa
PURPOSE: The aim of this study was to assess the in vitro efficacy of candidate antimicrobials against extended-spectrum β-lactamase (ESBL)-producing isolates of extraintestinal pathogenic Escherichia coli (ExPEC) from companion animals. METHODOLOGY: A total of 90 ESBL-producing ExPEC isolates from dogs and cats were tested for susceptibility to 16 antimicrobials with the agar dilution method. We also identified the ESBLs and AmpC β-lactamases of these isolates with PCR and DNA sequencing...
August 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28735046/ceftolozane-tazobactam-activity-against-drug-resistant-enterobacteriaceae-and-pseudomonas-aeruginosa-causing-healthcare-associated-infections-in-australia-and-new-zealand-report-from-an-antimicrobial-surveillance-program-2013-2015
#17
M A Pfaller, D Shortridge, H S Sader, R K Flamm, M Castanheira
OBJECTIVES: To evaluate the in vitro activity of ceftolozane-tazobactam and comparator agents tested against isolates of Enterobacteriaceae and Pseudomonas aeruginosa from patients in Australia and New Zealand with healthcare-associated infection. METHODS: A total of 1459 gram-negative organisms (440 P. aeruginosa and 1019 Enterobacteriaceae) were consecutively collected from 11 medical centers located in Australia and New Zealand. The organisms were tested for susceptibility by broth microdilution methods as described by the CLSI M07-A10 document and the results interpreted according to EUCAST and CLSI breakpoint criteria...
September 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28717075/clinical-characteristics-of-bacteremia-caused-by-extended-spectrum-beta-lactamase-producing-escherichia-coli-at-a-tertiary-hospital
#18
Hiroki Namikawa, Koichi Yamada, Hiroki Fujimoto, Ken-Ichi Oinuma, Yoshihiro Tochino, Yasuhiko Takemoto, Yukihiro Kaneko, Taichi Shuto, Hiroshi Kakeya
Objective In recent years, infection caused by extended-spectrum beta-lactamase (ESBL)-producing organisms has become an important issue. However, comparative studies of the bacteremia caused by ESBL Enterobacteriaceae and non-ESBL Enterobacteriaceae are extremely rare in Japan. This study aimed to assess the risk factors and prognosis of patients with bacteremia due to ESBL Escherichia coli (E. coli). Methods The medical records of 31 patients with ESBL E. coli bacteremia and 98 patients with non-ESBL E. coli bacteremia who had been admitted to Osaka City University Hospital between January 2011 and June 2015 were retrospectively reviewed...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28700048/distribution-of-the-bla-oxa-bla-veb-1-and-bla-ges-1-genes-and-resistance-patterns-of-esbl-producing-pseudomonas-aeruginosa-isolated-from-hospitals-in-tehran-and-qazvin-iran
#19
Sahar Amirkamali, Taghi Naserpour-Farivar, Khadijeh Azarhoosh, Amir Peymani
INTRODUCTION: Pseudomonas aeruginosa is one of the most common nosocomial pathogens. The emergence of extended spectrum β-lactamases (ESBLs) has been increasingly reported as a major clinical concern worldwide. The main aim of the present study was to determine the distribution of bla OXA, bla PER-1, bla VEB-1, and bla GES-1 genes among ESBL-producing P. aeruginosa isolated from two distinct provinces in Iran. METHODS: In this study, a total of 75 (27.5%) ESBL-producing isolates were identified from 273 P...
May 2017: Revista da Sociedade Brasileira de Medicina Tropical
https://www.readbyqxmd.com/read/28592240/randomized-controlled-trial-of-piperacillin-tazobactam-cefepime-and-ertapenem-for-the-treatment-of-urinary-tract-infection-caused-by-extended-spectrum-beta-lactamase-producing-escherichia-coli
#20
RANDOMIZED CONTROLLED TRIAL
Yu Bin Seo, Jacob Lee, Young Keun Kim, Seung Soon Lee, Jeong-A Lee, Hyo Youl Kim, Young Uh, Han-Sung Kim, Wonkeun Song
BACKGROUND: Due to limited therapeutic options, the spread of extended-spectrum beta-lactamases (ESBLs) have become a major public health concern. We conducted a prospective, randomized, open-label comparison of the therapeutic efficacy of piperacillin-tazobactam (PTZ), cefepime, and ertapenem in febrile nosocomial urinary tract infection with ESBL-producing Escherichia coli (ESBL-EC). METHODS: This study was conducted at three university hospitals between January 2013 and August 2015...
June 7, 2017: BMC Infectious Diseases
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