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https://www.readbyqxmd.com/read/29223516/antimicrobial-activity-of-plazomicin-against-enterobacteriaceae-producing-carbapenemases-from-50-brazilian-medical-centers
#1
Andreza Francisco Martins, Larissa Bail, Carmen Antonia Sanches Ito, Keite da Silva Nogueira, Tanise Vendruscolo Dalmolin, Amanda Silva Martins, Jaime Luis Lopes Rocha, Alisa W Serio, Felipe Francisco Tuon
Plazomicin is a next-generation aminoglycoside with activity against Enterobacteriaceae, including carbapenemase-producing Enterobacteriaceae (CPE). The aim of this study was to evaluate the activity of plazomicin against CPE (Klebsiella spp., Escherichia coli, Serratia spp., Enterobacter spp., Citrobacter spp., Morganella spp., Proteus spp., Providencia spp.) from different Brazilian hospitals. A total of 4000 carbapenem-resistant Enterobacteriaceae isolates were collected from clinical samples in 50 Brazilian hospitals during 2013-2015...
November 10, 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/29220374/a-blaoxa-181-harbouring-multi-resistant-st147-klebsiella-pneumoniae-isolate-from-pakistan-that-represent-an-intermediate-stage-towards-pan-drug-resistance
#2
Fouzia Nahid, Rabaab Zahra, Linus Sandegren
Carbapenem resistant Klebsiella pneumoniae (CR-KP) infections are an ever-increasing global issue, especially in the Indian subcontinent. Here we report genetic insight into a blaOXA-181 harbouring Klebsiella pneumoniae, belonging to the pandemic lineage ST147, that represents an intermediate stage towards pan-drug resistance. The CR-KP isolate DA48896 was isolated from a patient from Pakistan and was susceptible only to tigecycline and colistin. It harboured blaOXA-181 and was assigned to sequence type ST147...
2017: PloS One
https://www.readbyqxmd.com/read/29217419/in-vitro-activity-of-tedizolid-against-the-mycobacterium-abscessus-complex
#3
Fabrice Compain, Daria Soroka, Beate Heym, Jean-Louis Gaillard, Jean-Louis Herrmann, Delphine Dorchène, Michel Arthur, Vincent Dubée
Infections due to Mycobacterium abscessus carry a poor prognosis since this rapidly growing mycobacterium is intrinsically resistant to most antibiotics. Here, we evaluate the in vitro activity of the new oxazolidinone tedizolid against a collection of 44M. abscessus clinical isolates. The MIC50s and MIC90s of tedizolid (2 and 8μg/mL, respectively) were 2- to 16-fold lower than those of linezolid. There was no difference between the 3M. abscessus subspecies. Time-kill assays did not show any bactericidal activity at 4- and 8-fold the MIC...
November 10, 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/29215335/previous-antibiotic-exposure-and-antimicrobial-resistance-patterns-of-acinetobacter-spp-and-pseudomonas-aeruginosa-isolated-from-patients-with-nosocomial-infections
#4
Zorana M Djordjevic, Marko M Folic, Slobodan M Jankovic
BACKGROUND: The alarming spread of antibiotic-resistant bacteria causing healthcare-associated infections has been extensively reported in recent medical literature. AIMS: To compare trends in antimicrobial consumption and development of resistance among isolates of Acinetobacter spp. and Pseudomonas aeruginosa that cause hospital infections. STUDY DESIGN: Cross-sectional study. METHODS: A study was conducted in a tertiary healthcare institution in central Serbia, during the 7-year period between January 2009 and December 2015...
December 1, 2017: Balkan Medical Journal
https://www.readbyqxmd.com/read/29212626/a-lesser-known-side-effect-of-tigecycline-hypofibrinogenemia
#5
Fulya Yılmaz Duran, Halil Yıldırım, Emre Mehmet Şen
No abstract text is available yet for this article.
December 7, 2017: Turkish Journal of Haematology: Official Journal of Turkish Society of Haematology
https://www.readbyqxmd.com/read/29207701/characterization-of-vancomycin-resistant-enterococci-in-hospitalized-patients-and-role-of-gut-colonization
#6
Geetarani Purohit, Rajni Gaind, Reetika Dawar, P K Verma, K C Aggarwal, Raman Sardana, Monorama Deb
Introduction: Enterococci are part of the normal intestinal flora and have been recognized as important human pathogens. Vancomycin Resistant Enterococci (VRE) are global threat as this resistance is transmissible and also poses a challenge for infection control. Aim: This study was undertaken to study phenotypic and genotypic characteristics of VRE from clinically significant infections among hospitalized patients and their association with gut colonization. Materials and Methods: Clinically significant isolates of enterococci (n=250) were studied...
September 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/29204285/molecular-characterization-of-acinetobacter-baumannii-isolated-from-iraqi-hospital-environment
#7
I M S Al-Kadmy, A N M Ali, I M A Salman, S S Khazaal
Healthcare-associated items are a common source of acquired infections, and hospital-acquired infections cause significant mortality and morbidity worldwide. Acinetobacter baumannii is the most prevalent infection-causing organism in the hospital environment. Hospital articles and objects are the main sources of infection with the ability to transmit some of the pathogenic microorganisms such as A. baumannii, which is considered a serious problem in therapeutic treatments. In the current study, we isolated A...
January 2018: New Microbes and New Infections
https://www.readbyqxmd.com/read/29203488/epidemiology-of-carbapenem-resistant-enterobacteriaceae-infections-report-from-china-cre-network
#8
Yawei Zhang, Qi Wang, Yuyao Yin, Hongbin Chen, Longyang Jin, Bing Gu, Liangyi Xie, Chunxia Yang, Xiaobo Ma, Huayin Li, Wei Li, Xiaoqian Zhang, Kang Liao, Sijin Man, Shifu Wang, Hainan Wen, Binbin Li, Zhusheng Guo, Jinjing Tian, Fengyan Pei, Li Liu, Lijun Zhang, Cuimei Zou, Tongping Hu, Jun Cai, Hong Yang, Jiaming Huang, Xianghong Jia, Wenhui Huang, Bin Cao, Hui Wang
Carbapenem-resistant Enterobacteriaceae (CRE) infection is highly endemic in China, but estimates of infection burden are lacking. We established incidence of CRE infection from a multicenter study that covered 25 tertiary hospitals in 14 provinces. CRE cases defined as carbapenem non-susceptible C. freundii, E. coli, E. cloacae, or K. pneumoniae infections during January to December 2015 were collected and reviewed from medical records. Antimicrobial susceptibility testing and carbapenemase genes identification were performed...
December 4, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29200878/in-vitro-activity-of-colistin-mono-and-combination-therapy-against-colistin-resistant-acinetobacter-baumannii-mechanism-of-resistance-and-clinical-outcomes-of-patients-infected-with-colistin-resistant-a-baumannii-at-a-thai-university-hospital
#9
Yongyut Lertsrisatit, Wichai Santimaleeworagun, Sudaluck Thunyaharn, Jantima Traipattanakul
Purpose: Colistin is a drug of last resort for treating multidrug-resistant Acinetobacter baumannii infections. Unfortunately, colistin-resistant A. baumannii (CoR-AB) has been reported. Here, we examined the in vitro effect of mono- and combined antimicrobials against CoR-AB strains and their resistance mechanism, and evaluated the clinical outcomes of CoR-AB-infected patients. Patients and methods: Seventeen clinical CoR-AB strains were isolated from patients at Phramongkutklao hospital, 2011-2015...
2017: Infection and Drug Resistance
https://www.readbyqxmd.com/read/29193949/-case-series-of-clostridium-difficile-nap1-027-bi-with-novels-treatments
#10
Silvia Esmeralda Pérez-Topete, Tomás Miranda-Aquino, Juan Jacobo Ayala-Gaytan
BACKGROUND: Clostridium difficile is a spore-forming bacterium, producing exotoxins, causing potentially fatal nosocomial diarrhea. They have recently reported outbreaks of C. difficile ribotype 027, which is characterized by a hypervirulent strain and high resistance to standard therapy. CLINICAL CASE: We present three cases of Clostridium difficile NAP1/027/BI associated infection, they were presented with different clinical manifestations. Two of the patients were successfully treated with the combination of vancomycin plus tigecycline...
September 2017: Revista Médica del Instituto Mexicano del Seguro Social
https://www.readbyqxmd.com/read/29178957/triple-combination-antibiotic-therapy-for-carbapenemase-producing-klebsiella-pneumoniae-a-systematic-review
#11
REVIEW
David M Jacobs, M Courtney Safir, Dennis Huang, Faisal Minhaj, Adam Parker, Gauri G Rao
BACKGROUND: The spread of carbapenemase-producing K. pneumoniae (CPKP) has become a significant problem worldwide. Combination therapy for CPKP is encouraging, but polymyxin resistance to many antibiotics is hampering effective treatment. Combination therapy with three or more antibiotics is being increasingly reported, therefore we performed a systematic review of triple combination cases in an effort to evaluate their clinical effectiveness for CPKP infections. METHODS: The PubMed database was searched to identify all published clinical outcomes of CPKP infections treated with triple combination therapy...
November 25, 2017: Annals of Clinical Microbiology and Antimicrobials
https://www.readbyqxmd.com/read/29178841/multiresistant-st59-sccmec-iv-t437-clone-with-strong-biofilm-forming-capacity-was-identified-predominantly-in-mrsa-isolated-from-chinese-children
#12
Xin Yang, Suyun Qian, Kaihu Yao, Lijuan Wang, Yingchao Liu, Fang Dong, Wenqi Song, Jinghui Zhen, Wei Zhou, Hong Xu, Hongyan Zheng, Wenting Li
BACKGROUND: This study aimed to investigate the clinical and molecular epidemiology and biofilm formation of Staphylococcus aureus (SA) isolated from pediatricians in China. METHODS: SA strains were isolated from Beijing Children's hospital from February 2016 to January 2017. Isolates were typed by multilocus sequence typing (MLST), spa and SCCmec typing (for Methicillin-resistant SA [MRSA] only). Antimicrobial susceptibility testing was performed by agar dilution method except sulphamethoxazole/trimethoprim (E-test method)...
November 25, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29171572/susceptibility-pattern-of-methicillin-resistant-staphylococcus-aureus-to-vancomycin-and-other-alternate-agents-report-from-a-private-sector-hospital-laboratory
#13
Faryal Saleem, Naima Fasih, Afia Zafar
With increasing prevalence of methicillin resistant Staphylococcus aureus in clinical settings and injudicious use of antibiotics, resistance among MRSA against commonly used antibiotics is increasing. To assess the susceptibility pattern of MRSA against vancomycin, linezolid, tigecycline, rifampicin, fosfomycin fusidic acid, clindamycin, trimethoprim-sulfamethoxazole and teicoplanin, minimum inhibitory concentrations (MICs) for given antimicrobials were performed on 234 MRSA clinical isolates using automated VITEK 2 system...
November 2017: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/29158274/dissemination-of-multidrug-resistant-proteus-mirabilis-clones-carrying-a-novel-integron-borne-blaimp-1-in-a-tertiary-hospital
#14
Ana Carolina Ramos, Rodrigo Cayô, Cecilia Godoy Carvalhaes, Thomas Jové, Greice Pereira da Silva, Fernanda Maciel Paschoin Sancho, Thomas Chagas-Neto, Eduardo Alexandrino Servolo Medeiros, Ana Cristina Gales
This study aimed to characterize multi-drug resistant P. mirabilis clones carrying a novel class 1 integron-borne blaIMP-1 In1359 was inserted into a large conjugative plasmid that also carried blaCTX-M-2 The production of carbapenemases in Enterobacteriaceae that are intrinsically resistant to polymyxins and tigecycline is very worrisome, representing a serious challenge to clinicians and infection control teams.
November 20, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29158271/evaluation-of-the-in-vitro-activity-of-ceftaroline-and-comparators-against-s-pneumoniae-isolates-from-u-s-hospitals-results-from-7-years-of-the-aware-surveillance-program-2010-2016
#15
Michael A Pfaller, Rodrigo E Mendes, Leonard R Duncan, Robert K Flamm, Helio S Sader
We evaluated trends in Streptococcus pneumoniae antimicrobial susceptibility in United States hospitals in the 2010--2016 period. A total of 8,768 clinical isolates from 47 medical centers were tested for susceptibility by broth microdilution methods. Multidrug-resistant (MDR) and extensively drug-resistant (XDR) rates decreased from 25.7/12.4% (MDR/XDR) in 2010 to 17.7%/3.6% in 2016. Susceptibility to most comparator antimicrobial agents increased, whereas susceptibility to ceftaroline, levofloxacin, linezolid, and tigecycline remained stable...
November 20, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29154746/in-vitro-and-in-vivo-activity-of-fosfomycin-alone-and-in-combination-with-rifampin-and-tigecycline-against-gram-positive-cocci-isolated-from-surgical-wound-infections
#16
Oriana Simonetti, Gianluca Morroni, Roberto Ghiselli, Fiorenza Orlando, Andrea Brenciani, Ledia Xhuvelaj, Mauro Provinciali, Annamaria Offidani, Mario Guerrieri, Andrea Giacometti, Oscar Cirioni
Complicated skin and soft tissue infections constitute a heterogeneous group of severe disorders, with surgical site infections being the most common hospital-acquired ones. The aim of our study was to investigate the synergistic and bactericidal activities of antimicrobial combinations of fosfomycin with rifampicin and tigecycline against Enterococcus faecalis, Enterococcus faecium and methicillin-resistant Staphylococcus aureus (MRSA) clinical isolates, and also to evaluate their in vivo effects in a mouse wound infection model...
November 20, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/29152678/first-year-results-of-an-antibiotic-stewardship-program-in-a-greek-tertiary-care-hospital
#17
K Chrysou, O Zarkotou, S Kalofolia, P Papagiannakopoulou, G Chrysos, K Themeli-Digalaki, A Tsakris, S Pournaras
The aim of this study was to investigate the effect of the implementation of an antibiotic stewardship program (ASP) on antibiotic consumption in our 428-bed hospital. The Infection Control Committee implemented an ASP beginning in January 2016, aiming to reduce inappropriate antibiotic use through improved prescribing practices. The ASP included both pre-authorization and prospective audit and feedback strategies. We collected pharmacy and hospital data for the years 2015 (pre-intervention) and 2016 (post-intervention)...
November 19, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/29151282/epidemiology-and-impact-of-bloodstream-infections-among-kidney-transplant-recipients-a-retrospective-single-center-experience
#18
Ali M Shendi, Gabriel Wallis, Helena Painter, Mark Harber, Sophie Collier
BACKGROUND: Bloodstream infections (BSI) represent an important source of morbidity and mortality, as well as an increasing therapeutic challenge, among solid organ transplant recipients. Understanding the epidemiological and microbiological characteristics of BSI following renal transplantation is paramount to the implementation of appropriate preventative and therapeutic measures. METHODS: We conducted a retrospective review of all BSI episodes occurring between July 2009 and April 2016 in adult patients, who received a renal transplant at Royal Free London hospital...
November 19, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/29138583/efficacy-of-intravenous-tigecycline-in-patients-with-acinetobacter-complex-infections-results-from-14-phase-iii-and-phase-iv-clinical-trials
#19
Hal Tucker, Michele Wible, Ashesh Gandhi, Alvaro Quintana
Background: Acinetobacter infections, especially multidrug-resistant (MDR) Acinetobacter infections, are a global health problem. This study aimed to describe clinical outcomes in patients with confirmed Acinetobacter spp. isolates who were treated with tigecycline in randomized clinical trials. Materials and methods: Data from 14 multinational, randomized (open-label or double-blind), and active-controlled (except one) Phase III and IV studies were analyzed using descriptive statistics...
2017: Infection and Drug Resistance
https://www.readbyqxmd.com/read/29136035/comparative-efficacy-and-safety-of-antibiotics-used-to-treat-acute-bacterial-skin-and-skin-structure-infections-results-of-a-network-meta-analysis
#20
Julian F Guest, Jaime Esteban, Anton G Manganelli, Andrea Novelli, Giuliano Rizzardini, Miquel Serra
OBJECTIVE: This NMA compared the efficacy and safety between IV antibiotics that are used in the current standard of care for managing adult patients (≥18 years of age) with ABSSSI. METHODS: Comparators were chosen on the basis that both direct and indirect comparisons between the interventions of interest could be performed. Outcomes of the analysis were selected on the basis that they are frequently measured and reported in trials involving ABSSSI patients, and only published randomised control trials of any size and duration and with any blinding status were eligible for inclusion in the analysis...
2017: PloS One
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