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meropenem use evaluation

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https://www.readbyqxmd.com/read/28527651/clinical-efficacy-of-cycling-empirical-antibiotic-therapy-for-febrile-neutropenia-in-pediatric-cancer-patients
#1
Hideto Teranishi, Yuhki Koga, Hisanori Nishio, Wakako Kato, Hiroaki Ono, Shunsuke Kanno, Kentaro Nakashima, Hidetoshi Takada
BACKGROUND: Febrile neutropenia (FN) is the main treatment-related cause of mortality among children with cancer, as the prolonged use of broad-spectrum antibiotics can lead to antibiotic resistance in these patients. Antibiotic cycling has been reported to limit the emergence of antibiotic-resistant bacteria among adult patients. However, no studies have evaluated pediatric patients with FN. METHODS: Between September 2011 and February 2014, 126 pediatric cancer patients were admitted to our center for chemotherapy and/or hematopoietic stem cell transplantation and were included in this study...
May 17, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28511383/study-on-mics-of-tigecycline-in-clinical-isolates-of-carbapenem-resistant-enterobacteriaceae-cre-at-a-tertiary-care-centre-in-north-india
#2
Vineeta Khare, Prashant Gupta, Fareya Haider, Rehana Begum
INTRODUCTION: Members of family Enterobacteriaceae are the most common Gram-negative bacteria isolated from clinical samples. Those Enterobacteriaceae which have acquired resistance to all β-lactams antibiotics including the carbapenems are considered as Carbapenem Resistant Enterobacteriaceae (CRE). These CRE isolates are often resistant to most other classes of antimicrobials as well, making their treatment a great challenge. Tigecycline is one of the last resort antimicrobials against such multidrug resistant bacteria...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28478753/antibiotic-prescription-patterns-in-spanish-cystic-fibrosis-patients-results-from-a-national-multicenter-study
#3
Juan de Dios Caballero, Rosa Girón, Rosa Del Campo, Concepción Prados, María-Isabel Barrio, Antonio Salcedo, Rafael Cantón
OBJECTIVE: Information about antibiotic prescription patterns for cystic fibrosis (CF) patients and, specifically, about inhaled treatment strategies for their management is lacking in Spain due to the absence of a national patient registry. In this study we present data about antibiotic prescription in the Spanish CF context that were obtained in a multicenter study, being inhaled treatment strategies the special focus of this work. METHODS: Twenty-four specialized CF units (12 adult, 12 pediatric) from 17 tertiary-care hospitals covering all Spanish Autonomous Communities provided sputa and clinical data from 15 consecutive patients...
May 1, 2017: Farmacia Hospitalaria
https://www.readbyqxmd.com/read/28456489/evaluation-of-commercial-phenotypic-assays-for-the-detection-of-imp-or-new-delhi-metallo-%C3%AE-lactamase-producing-enterobacteriaceae-isolates-in-japan
#4
Daisuke Sakanashi, Makoto Kawachi, Yuki Uozumi, Mitsuru Nishio, Yuki Hara, Hiroyuki Suematsu, Mao Hagihara, Naoya Nishiyama, Nobuhiro Asai, Yusuke Koizumi, Yuka Yamagishi, Hiroshige Mikamo
OBJECTIVES: This study was designed to evaluate the sodium mercaptoacetic acid double disk synergy test (SMA-DDST), the Etest metallo-β-lactamase (MBL) MP/MPI (Etest MP/MPI), and the Mastdiscs ID Carbapenemase Detection Disc Set (MAST-CDS) for the detection of MBL-producing Enterobacteriaceae isolates in Japan. METHODS: Fifty-one clinical isolates and four reference strains were tested. These isolates included 40, 4, and 11 IMP-, New Delhi MBL (NDM)-, and non-MBL-producers, respectively...
April 26, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28447323/observation-of-clinically-relevant-drug-interaction-in-chimeric-mice-with-humanized-livers-the-case-of-valproic-acid-and-carbapenem-antibiotics
#5
Eiko Suzuki, Kumiko Koyama, Daisuke Nakai, Ryoya Goda, Hiroshi Kuga, Kan Chiba
BACKGROUND AND OBJECTIVE: Human in vitro and dog in vitro/in vivo researches indicate that the drug-drug interaction (DDI) of decreased plasma valproic acid (VPA) concentration by co-administration of carbapenem antibiotics is caused by inhibition of acylpeptide hydrolase (APEH)-mediated VPA acylglucuronide (VPA-G) hydrolysis by carbapenems. In this study, we investigated VPA disposition and APEH activities in TK-NOG chimeric mice, whose livers were highly replaced with human hepatocytes, to evaluate the utility of this animal model and the clinical relevance of the DDI mechanism...
April 26, 2017: European Journal of Drug Metabolism and Pharmacokinetics
https://www.readbyqxmd.com/read/28444600/antibiotic-sensitivity-pattern-of-indigenous-lactobacilli-isolated-from-curd-and-human-milk-samples
#6
Chetan Sharma, Sachin Gulati, Nishchal Thakur, Brij Pal Singh, Sanjolly Gupta, Simranpreet Kaur, Santosh Kumar Mishra, Anil Kumar Puniya, Jatinder Pal Singh Gill, Harsh Panwar
The gut microbiota plays a vital role in host well-being and lactic acid bacteria (LAB) have gained an overwhelming attention as health promoter. This perception has evolved from traditional dairy products to a money-spinning market of probiotics. The safety of probiotics is coupled to their intended use and LAB may act as pool of antimicrobial resistance genes that could be transferred to pathogens, either in food matrix or in gastrointestinal tract, which could be detrimental to host. This study evaluated the antibiotic susceptibility patterns of LAB isolated from curd (20) and human milk (11) samples...
May 2017: 3 Biotech
https://www.readbyqxmd.com/read/28438821/effects-of-i-v-push-administration-on-%C3%AE-lactam-pharmacodynamics
#7
Jill M Butterfield-Cowper, Kimberli Burgner
PURPOSE: The effects of i.v. push administration on the pharmacodynamic exposures of meropenem, cefepime, and aztreonam were evaluated. METHODS: Pharmacokinetic and pharmacodynamic analyses were conducted using previously published pharmacokinetic data for meropenem, cefepime, and aztreonam. The probability of target attainment (PTA) was assessed using Monte Carlo simulations for 30-minute and 5-minute infusions of approved dosing regimens and alternative dosing schemes often used in clinical practice, including 500 mg every 6 hours and 1 g every 8 hours for meropenem, 1 g every 6 hours and 2 g every 8 hours for cefepime, and 2 g every 8 hours for aztreonam...
May 1, 2017: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/28384185/evaluation-of-a-modified-meropenem-hydrolysis-assay-on-a-large-cohort-of-kpc-and-vim-carbapenemase-producing-enterobacteriaceae
#8
Adriana Calderaro, Mirko Buttrini, Maddalena Piergianni, Sara Montecchini, Monica Martinelli, Silvia Covan, Giovanna Piccolo, Maria Cristina Medici, Maria Cristina Arcangeletti, Carlo Chezzi, Flora De Conto
Carbapenem-resistant Enterobacteriaceae (CRE) have spread globally and represent a serious and growing threat to public health. The introduction of rapid and sensitive methods for the detection of carbapenemase-producing bacteria is of increasing importance. The carbapenemase production can be detected using non-molecular methods (such as the modified Hodge test, the synergy test, the Carba NP test and the antibiotic hydrolysis assays) and DNA-based methods. In this study, we propose a modified version of a previously described meropenem hydrolysis assay (MHA) by MALDI-TOF MS for the phenotypic detection in 2h of carbapenemase-producing Enterobacteriaceae...
2017: PloS One
https://www.readbyqxmd.com/read/28369424/in-vitro-evaluation-of-different-antimicrobial-combinations-against-carbapenemase-producing-klebsiella-pneumoniae-the-activity-of-the-double-carbapenem-regimen-is-related-to-meropenem-mic-value
#9
A Oliva, L Scorzolini, A Cipolla, M T Mascellino, F Cancelli, D Castaldi, A D'Abramo, C D'Agostino, G Russo, M R Ciardi, C M Mastroianni, V Vullo
Objectives and methods: We evaluated the in vitro activity of different antimicrobial combinations with and without colistin against 39 carbapenem-resistant Klebsiella pneumoniae (CR-Kp) strains (colistin + meropenem/doripenem, colistin + tigecycline, colistin + rifampicin, gentamicin + meropenem, gentamicin + tigecycline and the double-carbapenem regimen meropenem + ertapenem) using the chequerboard method. The triple combination colistin + meropenem + tigecycline was also tested...
March 22, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28340557/development-of-selective-medium-for-imp-type-carbapenemase-producing-enterobacteriaceae-in-stool-specimens
#10
Norihisa Yamamoto, Ryuji Kawahara, Yukihiro Akeda, Rathina Kumar Shanmugakani, Hisao Yoshida, Hideharu Hagiya, Naohiro Hara, Isao Nishi, Satomi Yukawa, Rumiko Asada, Yumi Sasaki, Kazuhiro Maeda, Noriko Sakamoto, Shigeyuki Hamada, Kazunori Tomono
BACKGROUND: Identification of carbapenemase-producing Enterobacteriaceae (CPE) in faecal specimens is challenging. This fact is particularly critical because low-level carbapenem-resistant organisms such as IMP-producing CPE are most prevalent in Japan. We developed a modified selective medium more suitable for IMP-type CPE. METHODS: Fifteen reference CPE strains producing different types of β-lactamases were used to evaluate the commercially available CHROMagar KPC and chromID CARBA as well as the newly prepared MC-ECC medium (CHROMagar ECC supplemented with meropenem, cloxacillin, and ZnSO4) and M-ECC medium (CHROMagar ECC supplemented with meropenem and ZnSO4)...
March 24, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28336136/antimicrobial-susceptibility-of-2906-pseudomonasaeruginosa-clinical-isolates-obtained-from-patients-in-canadian-hospitals-over-a-period-of-8-years-results-of-the-canadian-ward-surveillance-study-canward-2008-2015
#11
Andrew Walkty, Philippe Lagace-Wiens, Heather Adam, Melanie Baxter, James Karlowsky, Michael R Mulvey, Melissa McCracken, George G Zhanel
Pseudomonas aeruginosa is an important nosocomial pathogen. The purpose of this study was to evaluate the antimicrobial susceptibility profile of P. aeruginosa clinical isolates obtained from inpatients and outpatients at hospitals across Canada from January 2008 to December 2015 (CANWARD Study). Susceptibility testing was performed using broth microdilution, as described by the Clinical and Laboratory Standards Institute. In total, 2906 P. aeruginosa isolates were evaluated. The percentage of isolates susceptible to common antipseudomonal antimicrobials was: colistin 94...
January 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/28333347/polymyxin-resistant-carbapenem-resistant-acinetobacter-baumannii-is-eradicated-by-a-triple-combination-of-agents-that-lack-individual-activity
#12
Justin R Lenhard, Visanu Thamlikitkul, Fernanda P Silveira, Samira M Garonzik, Xun Tao, Alan Forrest, Beom Soo Shin, Keith S Kaye, Jürgen B Bulitta, Roger L Nation, Jian Li, Brian T Tsuji
Objectives: The emergence of polymyxin resistance threatens to leave clinicians with few options for combatting drug-resistant Acinetobacter baumannii . The objectives of the current investigation were to define the in vitro emergence of polymyxin resistance and identify a combination regimen capable of eradicating A. baumannii with no apparent drug susceptibilities. Methods: Two clonally related, paired, A. baumannii isolates collected from a critically ill patient who developed colistin resistance while receiving colistin methanesulfonate in a clinical population pharmacokinetic study were evaluated: an A...
February 28, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28288784/development-and-validation-of-a-measurement-procedure-based-on-ultra-high-performance-liquid-chromatography-tandem-mass-spectrometry-for-simultaneous-measurement-of-%C3%AE-lactam-antibiotic-concentration-in-human-plasma
#13
Raül Rigo-Bonnin, Alba Ribera, Ariadna Arbiol-Roca, Sara Cobo-Sacristán, Ariadna Padullés, Òscar Murillo, Evelyn Shaw, Rosa Granada, Xosé L Pérez-Fernández, Fe Tubau, Pedro Alía
BACKGROUND: The administration of β-lactam antibiotics in continuous infusion could let optimize the pharmacokinetic/pharmacodynamic parameters, especially in the treatment of serious bacterial infections. In this context, and also due to variability in their plasmatic concentrations, therapeutic drug monitoring (TDM) may be useful to optimize dosing and, therefore, be useful for the clinicians. MATERIAL AND METHODS: We developed and validated a measurement procedure based on ultra-high performance liquid chromatography-tandem mass spectrometry for simultaneous measurement of amoxicillin, ampicillin, cloxacillin, piperacillin, cefepime, ceftazidime, cefuroxime, aztreonam and meropenem concentrations in plasma...
March 10, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28264846/substantial-impact-of-altered-pharmacokinetics-in-critically-ill-patients-on-the-antibacterial-effects-of-meropenem-evaluated-via-the-dynamic-hollow-fiber-infection-model
#14
Phillip J Bergen, Jürgen B Bulitta, Carl M J Kirkpatrick, Kate E Rogers, Megan J McGregor, Steven C Wallis, David L Paterson, Roger L Nation, Jeffrey Lipman, Jason A Roberts, Cornelia B Landersdorfer
Critically ill patients frequently have substantially altered pharmacokinetics compared to non-critically ill patients. We investigated the impact of pharmacokinetic alterations on bacterial killing and resistance for commonly used meropenem dosing regimens. A Pseudomonas aeruginosa isolate (MICmeropenem 0.25 mg/liter) was studied in the hollow-fiber infection model (inoculum ∼10(7.5) CFU/ml; 10 days). Pharmacokinetic profiles representing critically ill patients with augmented renal clearance (ARC), normal, or impaired renal function (creatinine clearances of 285, 120, or ∼10 ml/min, respectively) were generated for three meropenem regimens (2, 1, and 0...
May 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28207768/prevalence-of-mdr-pathogens-of-bacterial-meningitis-in-egypt-and-new-synergistic-antibiotic-combinations
#15
Mona M Abdelkader, Khaled M Aboshanab, Marwa A El-Ashry, Mohammad M Aboulwafa
The aim of this study was identifying bacterial pathogens involved in meningitis, studying their antibiotic resistance profiles, investigating the antibiotic resistance genes as well as evaluating the use of various antibiotic combinations. Antibiotic susceptibility tests were evaluated according to CLSI guidelines. Antibiotic combinations were evaluated by calculating the Fractional Inhibitory Concentration (FIC) index. A total of 71 bacterial isolates were recovered from 68 culture positive CSF specimens...
2017: PloS One
https://www.readbyqxmd.com/read/28203427/potency-of-parenteral-antimicrobials-including-ceftolozane-tazobactam-against-nosocomial-respiratory-tract-pathogens-considerations-for-empiric-and-directed-therapy
#16
Christina A Sutherland, David P Nicolau
BACKGROUND: Empiric therapy decisions are predicated on knowledge of both the epidemiology and antimicrobial susceptibility of the probable infecting pathogen(s). The objective of this study was to evaluate the microbial distribution and phenotypic profiles of nosocomial respiratory isolates collected from multiple US hospitals and assess the clinical utility of various monotherapy and combination regimens. METHODS: Hospitals provided consecutive non-duplicate adult inpatients Gram-negative nosocomial respiratory isolates from cultures received ≥48 h after hospital admission...
January 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28158310/retrospective-and-prospective-evaluation-of-the-carbapenem-inactivation-method-for-the-detection-of-carbapenemase-producing-enterobacteriaceae
#17
Lauraine Gauthier, Remy A Bonnin, Laurent Dortet, Thierry Naas
BACKGROUND: There is an urgent need for accurate and rapid diagnostic tests to identify carbapenemase producing enterobacteria (CPE). Here, we have evaluated the Carbapenem Inactivation Method (CIM) test to detect CPEs from cultured colonies. METHODS: A total of 256 enterobacterial isolates were used to evaluate the performance of the CIM in comparison to Carba NP test and molecular detection used a reference method. Ninety three well-characterized isolates (including 29 non-CPE and 63 CPEs of worldwide origin) with decreased susceptibility to at least one carbapenem were used to (i) evaluate the efficacy of CIM test and (ii) to compare it to the Carba NP test...
2017: PloS One
https://www.readbyqxmd.com/read/28150578/resistotyping-phenotyping-and-genotyping-of-new-delhi-metallo-%C3%AE-lactamase-ndm-among-gram-negative-bacilli-from-iranian-patients
#18
Dariush Shokri, Mohammad Rabbani Khorasgani, Seyed Masih Fatemi, Abbas Soleimani-Delfan
PURPOSE: The purpose of this study was investigation of New Delhi metallo-β-lactamase (NDM) production among gram negative bacilli. METHODOLOGY: Antibiogram-Resistotyping and detection of NDM in clinical isolates of Klebsiella pneumoniae, Acinetobacter baumannii and Pseudomonas aeruginosa and comparative evaluation of the diagnostic performance of three phenotypic methods for NDM detection considering PCR as gold standard were performed. Minimum Inhibitory Concentration (MIC) of antibiotics against NDM positive strains by E-test and clonal relationship analysis using Enterobacterial Repetitive Intergenic Consensus Polymerase Chain Reaction (ERIC-PCR) in these strains were determined...
February 1, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28124968/-accurate-diagnosis-of-pseudomonas-luteola-in-routine-microbiology-laboratory-on-the-occasion-of-two-isolates
#19
Muharrem Çiçek, Gülşen Hasçelik, H Kaan Müştak, K Serdar Diker, Burçin Şener
Pseudomonas luteola which was previously known as Chryseomonas luteola; is a gram-negative, non-fermentative, aerobic, motile, non-spore-forming bacillus. It is frequently found as a saprophyte in soil, water and other damp environments and is an opportunistic pathogen in patients with underlying medical disorders or with indwelling catheters. It has been reported as an uncommon cause of bacteremia, sepsis, septic arthritis, meningitis, endocarditis, and peritonitis. Thus, early and accurate identification of this rare species is important for the treatment and also to provide information about the epidemiology of P...
October 2016: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/28124957/-antimicrobial-susceptibility-and-molecular-characterization-of-multidrug-resistant-acinetobacter-baumannii-isolated-in-an-university-hospital
#20
Şahin Direkel, Ayşegül Çopur Çiçek, Alper Karagöz, Nebahat Aydoğan Ejder, Efdal Oktay, Nuran Delialioğlu, Osman Birol Özgümüş, Rıza Durmaz
Acinetobacter baumannii, an aerobic, non-motile, gram-negative bacterium is an important nosocomial pathogen which shows resistance to the most antibiotics. Carbapenems are the most commonly used antibiotics for the treatment of infections caused by this pathogen. However the emergence of resistance against carbapenems in an increasing rate generates serious problems for antimicrobial therapy. The aims of this study were to detect the antibiotic susceptibility, and the presence of blaOXA resistance genes of clinical A...
October 2016: Mikrobiyoloji Bülteni
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