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meropenem use evaluation

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https://www.readbyqxmd.com/read/28207768/prevalence-of-mdr-pathogens-of-bacterial-meningitis-in-egypt-and-new-synergistic-antibiotic-combinations
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
https://www.readbyqxmd.com/read/28124956/-investigation-of-the-frequency-and-distribution-of-beta-lactamase-genes-in-the-clinical-isolates-of-acinetobacter-baumannii-collected-from-different-regions-of-turkey-a-multicenter-study
#7
Fatih Şaban Beriş, Emine Esra Budak, Duygu Gülek, Aytül Uzun, Zeynep Çizmeci, Fırat Zafer Mengeloğlu, Şahin Direkel, Yeliz Çetinkol, Yasemin Ay Altıntop, Meryem Iraz, Tuba Dal, Safiye Umut Say Coşkun, Pervin Özlem Balcı, Tuba Kayman, Ahmet Çalışkan, Yelda Yazıcı, İsmail Tosun, Ayşe Ertürk, Ayşegül Çopur Çiçek
The diversity and distribution of TEM, SHV and CTX-M type of extended-spectrum beta-lactamases (ESBLs) are important for the treatment and control of infections. Determination of ESBL genes in clinical isolates by polymerase chain reaction (PCR) and DNA sequencing can obtain useful data for their molecular epidemiology and risk. The aim of this study was to investigate the frequency of beta-lactamase genes in Acinetobacter baumannii strains isolated from different regions of Turkey. A total of 519 A.baumannii strains collected from hospitals located at 12 different provinces of Turkey (Bolu (n= 67), Tokat (n= 47), Trabzon (n= 25), Ordu (n= 27), Diyarbakır (n= 47), Niğde (n=31), Kayseri (n= 36), Ankara (n= 41), Kirikkale (n= 26), Kahramanmaraş (n= 25), Mersin (n= 40), Istanbul (n= 107)] between 2011-2012 period were included in the study...
October 2016: Mikrobiyoloji Bülteni
https://www.readbyqxmd.com/read/28101836/a-review-of-clinical-outcomes-associated-with-two-meropenem-dosing-strategies
#8
REVIEW
Kyle John Wilby, Ziad Ghantous Nasr, Shereen Elazzazy, Tim T Y Lau, Anas Hamad
Meropenem is a carbapenem antibiotic that exhibits time-dependent bactericidal activity, traditionally dosed intravenously at 1 g every 8 h. In order to maximize its pharmacodynamic activity and reduce costs, an alternative regimen employed by many institutions is 500 mg every 6 h. The objective of this review was to summarize and evaluate published literature comparing clinical outcomes associated with these two meropenem dosing regimens. The literature was searched up to October 2016 using the MEDLINE, EMBASE, and Google Scholar databases...
January 18, 2017: Drugs in R&D
https://www.readbyqxmd.com/read/28097722/antimicrobial-utilization-in-an-iraqi-province-a-comprehensive-evaluation-of-antibiotic-source-and-cost
#9
Ali A Al-Jumaili, Ahmed H Hussein, Mohammed D Al-Rekabi, Saba A Raheem, Erika J Ernst
PURPOSE: The aims were to calculate total systemic antibiotic consumption and cost in both public and private sectors in all care settings in Al-Najaf province, Iraq, during 2012, recognize the percentage of each pharmacological class for the dispensed antibiotics and identify oral and parenteral antibiotic percentages dispensed and the portions manufactured nationally and imported. METHODS: Cross-sectional study was conducted in Al-Najaf to calculate the total cost and quantities of antibiotics consumed during 2012 using World Health Organization Guidelines for Defined Daily Dose (DDD)...
February 2017: International Journal of Pharmacy Practice
https://www.readbyqxmd.com/read/28097633/meropenem-dosing-based-on-a-population-pharmacokinetic-pharmacodynamic-model-in-elderly-patients-with-infection-of-the-lower-respiratory-tract
#10
Qing-Tao Zhou, Bei He, Ning Shen, Ying Liang, Li-Na Sun
BACKGROUND: Meropenem is used for the treatment of severe lower respiratory tract infections (LRTIs) caused by multidrug-resistant Gram-negative bacilli. OBJECTIVE: We evaluated the clinical benefits of a strategy of meropenem dosing based on a population pharmacokinetics/pharmacodynamics (PK/PD) model in elderly patients with an LRTI. METHODS: In this prospective single-center open-label randomized controlled trial, 79 elderly patients with an LRTI caused by Gram-negative bacilli were randomized to a study group (SG) or a control group (CG)...
February 2017: Drugs & Aging
https://www.readbyqxmd.com/read/28095794/development-of-an-algorithm-for-phenotypic-screening-of-carbapenemase-producing-enterobacteriaceae-in-the-routine-laboratory
#11
Jérôme Robert, Alix Pantel, Audrey Merens, Elodie Meiller, Jean-Philippe Lavigne, Marie-Hélène Nicolas-Chanoine
BACKGROUND: Carbapenemase-producing Enterobacteriaceae (CPE) are difficult to identify among carbapenem non-susceptible Enterobacteriaceae (NSE). We designed phenotypic strategies giving priority to high sensitivity for screening putative CPE before further testing. METHODS: Presence of carbapenemase-encoding genes in ertapenem NSE (MIC > 0.5 mg/l) consecutively isolated in 80 French laboratories between November 2011 and April 2012 was determined by the Check-MDR-CT103 array method...
January 17, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28079262/pediatric-obesity-pharmacokinetic-alterations-and-effects-on-antimicrobial-dosing
#12
Stephanie Natale, John Bradley, William Huy Nguyen, Tri Tran, Pamela Ny, Kirsten La, Eva Vivian, Jennifer Le
BACKGROUND: Limited data exist for appropriate drug dosing in obese children. This comprehensive review summarizes pharmacokinetic alterations that occur with age and obesity, and these effects on antimicrobial dosing. A thorough comparison of different measures of body weight and specific antimicrobial agents, including cefazolin, cefepime, ceftazidime, daptomycin, doripenem, gentamicin, linezolid, meropenem, piperacill-tazobactam, tobramycin, vancomycin, and voriconazole, are presented...
January 12, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/27992816/prevalence-and-antimicrobial-susceptibility-of-acinetobacter-spp-isolated-from-meat
#13
Ana Carvalheira, Rocio Casquete, Joana Silva, Paula Teixeira
The prevalence and antibiotic resistance of Acinetobacter spp. from fifty samples of meat (chicken, turkey, beef and pork) were evaluated. Acinetobacter spp. was recovered from all samples and the clonal relatedness of 223 isolates identified to belong to the genus Acinetobacter was established by PFGE. A high genetic diversity was observed and 166 isolates from different samples, 141 representing different PFGE profiles, were further identified to the species level by rpoB gene sequencing. Thirteen distinct Acinetobacter species were identified among 156 isolates...
February 21, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/27966034/population-pharmacokinetics-of-meropenem-in-elderly-patients-dosing-simulations-based-on-renal-function
#14
Muhammad Usman, Otto R Frey, Georg Hempel
OBJECTIVES: The aim of this study was to evaluate different dosage regimens of meropenem in elderly patients in relation with renal function using a population pharmacokinetic (popPK) model. METHODS: The data of 178 elderly patients treated with meropenem was collected from different sources. A popPK model was developed by using NONMEM® and the influence of different covariates on meropenem CL and V1 was observed. Monte Carlo dosing simulations were performed at steady state to observe the % T > MIC for targets of 40, 60 and 80% of dosage intervals at different levels of creatinine clearance (CLCR)...
December 13, 2016: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/27941726/current-trends-of-using-antimicrobial-drugs-in-the-icu-at-a-tertiary-level-teaching-hospital-in-mymensingh
#15
S K Saha, K C Shaha, M F Haque, S Khatun, S M Akhter, H Akhter
The aim of the present study was to investigate the current trends of using antimicrobial drugs in the ICU at a tertiary level teaching hospital in Mymensingh. The study of prescribing patterns seeks to monitor, evaluate and suggest modifications in clinicians prescribing habits so as to make medical care rational. It was an observational type of descriptive study, conducted in the Mymensingh medical college hospital, Mymensingh, during the study period of June 2016 to September 2016.The study was approved by the institutional ethical committee...
October 2016: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/27933586/preparation-and-optimization-of-meropenem-loaded-solid-lipid-nanoparticles-in-vitro-evaluation-and-molecular-modeling
#16
Ellen K G Mhango, Rahul S Kalhapure, Mahantesh Jadhav, Sandeep J Sonawane, Chunderika Mocktar, Suresh Vepuri, Mahmoud Soliman, Thirumala Govender
Encapsulation of antibiotics into nanocarriers has the potential to overcome resistance and disadvantages associated with conventional dosage forms as well as increase half-life of an antibiotic. Encapsulation of meropenem (MRPN) into solid lipid nanoparticles (SLNs) remains unexplored among the limited work reported on nanoformulation incorporating MRPN. The study aimed to use an experimental design, to optimize MRPN-loaded SLNs, and to undertake in vitro and in silico evaluations. A Box-Behnken design (BBD) was used to optimize manufacturing conditions of glycerol monostearate (GMS) SLNs loaded with MRPN...
December 8, 2016: AAPS PharmSciTech
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
#17
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/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
#18
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
#19
John K 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 Klebsiella pneumoniae infections 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 isolates. The rates and extents of killing with polymyxin B (1 to 128 mg/liter), rifampin (2 to 16 mg/liter), and meropenem (10 to 120 mg/liter) were evaluated against polymyxin B-susceptible (PB(s)) and polymyxin B-resistant (PB(r)) clinical isolates using 48-h static time-kill studies...
February 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/27867128/evaluation-of-meropenem-penetration-into-cerebrospinal-fluid-in-patients-with-meningitis-after-neurosurgery
#20
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
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