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https://www.readbyqxmd.com/read/27913087/a-case-of-multiple-empyema-caused-by-streptococcus-intermedius
#1
Akihito Kaga, Ryuzaburo Higo, Hiroshi Yoshikawa, Naoko Yokoi, Takuo Haruyama, Hiroaki Komatsu, Ayumi Yabe, Takeshi Kusunoki, Katsuhisa Ikeda
We report the case of a patient with multiple empyema present throughout his body, including chronic sinusitis and chronic suppurative otitis media, as well as subsequent epidural empyema, all caused by Streptococcus intermedius. A 38-year-old man presented with chief complaints of headache, left ear discharge, and nasal congestion. Imaging studies revealed pansinusitis, soft tissue signs in the mastoid cells, and otitis media. The patient was treated with meropenem hydrate, 6g/day. While clinical findings indicated improvement of the sinusitis, his headache did not improve...
November 29, 2016: Auris, Nasus, Larynx
https://www.readbyqxmd.com/read/27902404/ultrastructural-changes-caused-by-polymyxin-b-and-meropenem-in-multiresistant-klebsiella-pneumoniae-carrying-blakpc-2-gene
#2
Alexsandra Scavuzzi, Luiz Carlos Alves, Dyana Leal Veras, Fábio André Brayner, Ana Catarina de Souza Lopes
The ultrastructural alterations caused by polymyxin B, meropenem and by the association between polymyxin B and meropenem were investigated in 2 multiresistant isolates of K. pneumoniae (K3-A2 and K12-A2) carriers of blaKPC-2, coming from infection and colonization in patients of a public hospital in Recife, Brazil. The ultrastructural changes were detected by transmission electron microscopy and scanning. The susceptibility of the isolates to antimicrobials was tested by the disk diffusion method and microdilution in broth...
October 17, 2016: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/27898030/assessment-of-the-activity-of-tigecycline-against-gram-positive-and-gram-negative-organisms-collected-from-italy-between-2012-and-2014-as-part-of-the-tigecycline-evaluation-and-surveillance-trial-t-e-s-t
#3
Stefania Stefani, Michael J Dowzicky
As part of the Tigecycline Evaluation and Surveillance Trial (T.E.S.T) we report the in vitro activity of tigecycline and its comparators against Gram-negative and Gram-positive organisms collected from Italian centers between 2012 and 2014. Minimum inhibitory concentrations were determined according to the broth microdilution methodology of the Clinical and Laboratory Standards Institute, and antimicrobial resistance was determined using the European Committee on Antimicrobial Susceptibility Testing interpretive criteria...
November 26, 2016: Pharmaceuticals
https://www.readbyqxmd.com/read/27895902/effect-of-%C3%AE-lactamase-inhibitors-on-in-vitro-activity-of-%C3%AE-lactam-antibiotics-against-burkholderia-cepacia-complex-species
#4
Annelien Everaert, Tom Coenye
BACKGROUND: Bacteria belonging to the Burkholderia cepacia complex (Bcc) are an important cause of chronic respiratory tract infections in cystic fibrosis patients. Intrinsic resistance to a wide range of antimicrobial agents, including a variety of β-lactam antibiotics, is frequently observed in Bcc strains. Resistance to β-lactams is most commonly mediated by efflux pumps, alterations in penicillin-binding proteins or the expression of β-lactamases. β-lactamase inhibitors are able to restore the in vitro activity of β-lactam molecules against a variety of Gram-negative species, but the effect of these inhibitors on the activity of β-lactam treatment against Bcc species is still poorly investigated...
2016: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/27895516/a-prospective-observational-study-comparing-the-pk-pd-relationships-of-generic-meropenem-mercide-%C3%A2-to-the-innovator-brand-in-critically-ill-patients
#5
Mervyn Mer, Jacques Rene Snyman, Constance Elizabeth Jansen van Rensburg, Jacob John van Tonder, Ilze Laurens
INTRODUCTION: Clinicians' skepticism, fueled by evidence of inferiority of some multisource generic antimicrobial products, results in the underutilization of more cost-effective generics, especially in critically ill patients. The aim of this observational study was to demonstrate equivalence between the generic or comparator brand of meropenem (Mercide(®)) and the leading innovator brand (Meronem(®)) by means of an ex vivo technique whereby antimicrobial activity is used to estimate plasma concentration of the active moiety...
2016: Clinical Pharmacology: Advances and Applications
https://www.readbyqxmd.com/read/27890443/oxa-23-and-isaba1-oxa-66-class-d-%C3%AE-lactamases-in-acinetobacter-baumannii-isolates-from-companion-animals
#6
Christa Ewers, Peter Klotz, Ursula Leidner, Ivonne Stamm, Ellen Prenger-Berninghoff, Stephan Göttig, Torsten Semmler, Sandra Scheufen
Acinetobacter baumannii is recognised as a major pathogen of nosocomial infections that frequently show resistance to last-resort antimicrobials. To investigate whether A. baumannii from companion animals harbour carbapenem resistance mechanisms, 223 clinical isolates obtained from veterinary clinics between 2000 and 2013 in Germany were screened for carbapenem-non-susceptibility employing meropenem-containing Mueller-Hinton agar plates. Minimum inhibitory concentration (MIC) data were obtained using the VITEK(®)2 system...
November 16, 2016: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/27890418/comparative-in-vitro-activity-of-oritavancin-and-other-agents-against-methicillin-susceptible-and-methicillin-resistant-staphylococcus-aureus
#7
Debora Sweeney, Dean L Shinabarger, Francis F Arhin, Adam Belley, Greg Moeck, Chris M Pillar
Methicillin-resistant Staphylococcus aureus (MRSA) infections constitute a threat to the public health due to their prevalence and associated mortality and morbidity. Several agents have been recently approved to treat MRSA skin infections including lipoglycopeptides (dalbavancin, oritavancin, and telavancin), ceftaroline, and tedizolid. This study compared the MIC, minimum bactericidal concentration (MBC), and time-kill of these agents alongside daptomycin, linezolid, and vancomycin against MRSA (n=15); meropenem, cefazolin, and nafcillin were also included against methicillin-susceptible S...
November 12, 2016: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/27885558/aeromonas-and-plesiomonas-species-from-scarlet-ibis-eudocimus-ruber-and-their-environment-monitoring-antimicrobial-susceptibility-and-virulence
#8
Débora Souza Collares Maia Castelo-Branco, Aline Lobão da Silva, Frederico Ozanan Barros Monteiro, Glaucia Morgana de Melo Guedes, Jamille Alencar Sales, Jonathas Sales de Oliveira, José Erisvaldo Maia Junior, Stefânia Araújo Miranda, José Júlio Costa Sidrim, Lucas Pereira de Alencar, Raimunda Sâmia Nogueira Brilhante, Rossana de Aguiar Cordeiro, Tereza de Jesus Pinheiro Gomes Bandeira, Waldemiro de Aquino Pereira Neto, Marcos Fábio Gadelha Rocha
The present study aimed at evaluating the role of captive scarlet ibises (Eudocimus ruber) and their environment as reservoirs of Aeromonas spp. and Plesiomonas spp., and analyzing the in vitro antimicrobial susceptibility and virulence of the recovered bacterial isolates. Thus, non-lactose and weak-lactose fermenting, oxidase positive Gram-negative bacilli were recovered from cloacal samples (n = 30) of scarlet ibises kept in a conservational facility and from water samples (n = 30) from their environment...
November 24, 2016: Antonie Van Leeuwenhoek
https://www.readbyqxmd.com/read/27873451/a-prospective-randomized-trial-comparing-piperacillin-tazobactam-with-meropenem-as-empirical-antibiotic-treatment-of-febrile-neutropenic-children-and-adolescents-with-hematologic-and-malignant-disorders
#9
Hirozumi Sano, Ryoji Kobayashi, Daisuke Suzuki, Daiki Hori, Kenji Kishimoto, Kunihiko Kobayashi
BACKGROUND: This randomized prospective study was designed to assess whether piperacillin/tazobactam (PIPC/TAZ) is as effective as meropenem (MEPM) as a first-line antibiotic treatment for febrile neutropenia (FN). PROCEDURE: FN episodes were randomly assigned to receive either PIPC/TAZ (337.5 mg/kg per day in three doses, 1-hr DIV, maximum 13.5 g per day) or MEPM (120 mg/kg per day in three doses, 1-hr DIV, maximum 3 g per day). Clinical responses were evaluated 120 hr after the DIV...
November 22, 2016: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/27872078/polymyxin-b-in-combination-with-rifampin-and-meropenem-against-polymyxin-b-resistant-kpc-producing-klebsiella-pneumoniae
#10
John Diep, David M Jacobs, Rajnikant Sharma, Jenna Covelli, Dana R Bowers, Thomas A Russo, Gauri G Rao
Safe and effective therapies are urgently needed to treat polymyxin-resistant KPC-producing K. pneumoniae and suppress the emergence of resistance. We investigated the pharmacodynamics of polymyxin B, rifampin, and meropenem alone and as polymyxin B-based double and triple combinations against KPC-producing K. pneumoniae The rate and extent of killing with polymyxin B (1-128mg/L), rifampin (2-16mg/L), and meropenem (10-120mg/L) were evaluated against polymyxin B-susceptible (PB(S)) and -resistant (PB(R)) clinical isolates using 48h static time-kills...
November 21, 2016: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/27867128/evaluation-of-meropenem-penetration-into-cerebrospinal-fluid-in-patients-with-meningitis-after-neurosurgery
#11
Yuyi Zhang, Jing Zhang, Yuancheng Chen, Jicheng Yu, Guoying Cao, Xiaojie Wu, Mingyu Chen, Jufang Wu, Xu Zhao
OBJECTIVE: Meropenem is important for management of post-neurosurgical meningitis, but the data about its penetration into cerebrospinal fluid (CSF) are inadequate. This prospective, open-label study investigated the pharmacokinetic profile of meropenem in patients with post-neurosurgical meningitis, especially its CSF penetration. METHODS: A total of 82 patients with post-neurosurgical meningitis were included to receive meropenem intravenously according to regimen of 2g q8h, 1g q8h or 1g q6h...
November 17, 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27867083/trends-in-antimicrobial-resistance-among-bacteroides-species-and-parabacteroides-species-in-the-united-states-from-2010-2012-with-comparison-to-2008-2009
#12
REVIEW
D R Snydman, N V Jacobus, L A McDermott, E J C Goldstein, L Harrell, S G Jenkins, D Newton, R Patel, D W Hecht
The susceptibility trends for Bacteroides fragilis and related species against various antibiotics were determined using data from 3 years of surveillance (2010-2012) on 779 isolates referred by 7 medical centers. The antibiotic test panel included imipenem, ertapenem, meropenem, ampicillin-sulbactam, piperacillin-tazobactam, cefoxitin, clindamycin, moxifloxacin, tigecycline, linezolid, chloramphenicol and . MICs were determined using the agar dilution CLSI reference method. Carbapenem resistance remained low (range 1...
November 17, 2016: Anaerobe
https://www.readbyqxmd.com/read/27866753/-molecular-epidemiology-of-carbapenemase-producing-enterobacteriaceae-infection-colonisation-in-a-hospital-in-madrid
#13
Patricia Brañas, Marta Gil, Jennifer Villa, María Ángeles Orellana, Fernando Chaves
INTRODUCTION: A description is presented on the molecular epidemiology of carbapenemase-producing enterobacteriaceae infection in a tertiary hospital. MATERIAL AND METHODS: A study was made on all the carbapenemase-producing enterobacteriaceae isolations obtained between February 2015 and March 2016 in the Hospital Universitario 12 de Octubre (Madrid). Phenotypic and molecular methods were used. RESULTS: A total of 7 bacterial species were identified, with the majority being Klebsiella pneumoniae (K...
November 17, 2016: Enfermedades Infecciosas y Microbiología Clínica
https://www.readbyqxmd.com/read/27861767/antibiotic-resistance-in-healthcare-related-and-nosocomial-spontaneous-bacterial-peritonitis
#14
Philipp Lutz, Hans Dieter Nischalke, Benjamin Krämer, Felix Goeser, Dominik J Kaczmarek, Stefan Schlabe, Marijo Parcina, Jacob Nattermann, Achim Hoerauf, Christian P Strassburg, Ulrich Spengler
BACKGROUND: Spontaneous bacterial peritonitis (SBP) can be life-threatening in patients with liver cirrhosis. In contrast to community-acquired SBP, no standard treatment has been established for healthcare-related and nosocomial SBP. PATIENTS AND METHODS: We prospectively collected healthcare-related and nosocomial SBP cases from March 2012 till February 2016 at the Department of Internal Medicine I of the University of Bonn and analysed the prevalence of antibiotic resistance among the isolated bacteria...
November 15, 2016: European Journal of Clinical Investigation
https://www.readbyqxmd.com/read/27854165/antimicrobial-resistance-mechanisms-and-genetic-diversity-of-multidrug-resistant-acinetobacter-baumannii-isolated-from-a-teaching-hospital-in-malaysia
#15
Shirin Biglari, Alfizah Hanafiah, Shaliawani Mohd Puzi, Ramliza Ramli, Mostafizur Rahman, Bruno Silvester Lopes
Multidrug-resistant (MDR) Acinetobacter baumannii has increasingly emerged as an important nosocomial pathogen. The aim of this study was to determine the resistance profiles and genetic diversity in A. baumannii clinical isolates in a tertiary medical center in Malaysia. The minimum inhibitory concentrations of carbapenems (imipenem and meropenem), cephalosporins (ceftazidime and cefepime), and ciprofloxacin were determined by E-test. PCR and sequencing were carried out for the detection of antibiotic resistance genes and mutations...
November 17, 2016: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/27851486/1851-continuous-infusion-of-meropenem-in-a-patient-on-ecmo-and-crrt
#16
Yasir Alqaqaa, Robert Witcher, Michelle Ramirez, Jason Fisher, Laura Malaga-Dieguez, Arun Chopra
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27850290/651-ceftolozane-tazobactam-and-ceftazidime-avibactam-against-meropenem-resistant-pseudomonas-aeruginosa
#17
Mordechai Grupper, Christina Sutherland, David Nicolau
No abstract text is available yet for this article.
December 2016: Critical Care Medicine
https://www.readbyqxmd.com/read/27843749/mortality-markers-in-nosocomial-klebsiella-pneumoniae-bloodstream-infection
#18
Bulent Durdu, Ismail Necati Hakyemez, Sibel Bolukcu, Gulay Okay, Bilge Gultepe, Turan Aslan
PURPOSE: Klebsiella pneumoniae is the most common endogen agent for nosocomial infections. In this study, mortality markers were investigated in patients with nosocomial K. pneumoniae blood stream infection (NKp BSI). METHODS: The characteristics of patients >16 years who had NKp BSI diagnosis by daily active surveillance between January 2012 and January 2016 were retrospectively evaluated. Patients who died until 28th day of the clinical follow up and those who survived until this time were statistically compared in terms of various risk factors...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27843545/ochromobactrum-intermedium-an-emerging-opportunistic-pathogen-case-of-recurrent-bacteraemia-associated-with-infective-endocarditis-in-a-haemodialysis-patient
#19
T Bharucha, D Sharma, H Sharma, H Kandil, S Collier
We describe the first clinical case report of infective endocarditis related to Ochrobactrum intermedium infection. The case involved a 23-year-old man receiving dialysis via an internal jugular long-term haemodialysis catheter. He improved with a prolonged course of meropenem and minocycline. Ochrobactrum spp. are recognized as rare emerging opportunistic pathogens.
January 2017: New Microbes and New Infections
https://www.readbyqxmd.com/read/27843267/bacteriology-of-urine-specimens-obtained-from-men-with-symptomatic-benign-prostatic-hyperplasia
#20
Jude Orumuah Agbugui, E O Obarisiagbon, I I Osaigbovo
BACKGROUND: Bacteriuria and urinary tract infections are common sequelae of benign prostatic hyperplasia (BPH). Thus, the knowledge of urine bacteriology in men with symptomatic BPH in our environment may play a complementary role in management. OBJECTIVES: To determine the incidence of bacteriuria and the antibiotic sensitivity pattern of bacterial isolates in cultured urine samples of men with symptomatic BPH. PATIENTS AND METHODS: This was a 1 year prospective study...
July 2016: Nigerian Journal of Surgery: Official Publication of the Nigerian Surgical Research Society
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