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Piperacillin-tazobactam

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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/28522340/acute-kidney-injury-risk-associated-with-piperacillin-tazobactam-compared-with-cefepime-during-vancomycin-therapy-in-hospitalised-patients-a-cohort-study-stratified-by-baseline-kidney-function
#2
Nakyung Jeon, Ben Staley, Kenneth P Klinker, Juan Hincapie Castillo, Almut G Winterstein
Recent studies have found an association between piperacillin/tazobactam when added to vancomycin and acute kidney injury (AKI) risk. However, studies were limited by the small sample size and residual confounding. The aim of this study was to compare the risk of AKI with vancomycin plus piperacillin/tazobactam (VPT) versus vancomycin plus cefepime (VC) and to examine whether pre-existing renal impairment mediates the risk. This was a retrospective cohort study using electronic health records for patients admitted to two hospitals in 2012-2013...
May 15, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28516432/measurement-of-piperacillin-plasma-concentrations-in-cancer-patients-with-suspected-infection
#3
Tobias Rachow, Verena Schlüter, Sibylle Bremer-Streck, Udo Lindig, Sebastian Scholl, Peter Schlattmann, Michael Kiehntopf, Andreas Hochhaus, Marie von Lilienfeld-Toal
BACKGROUND: Piperacillin (PIP) in combination with tazobactam is commonly used for anti-infective treatment in cancer patients. PIP exerts a time-dependent killing. Thus, the maintenance of plasma concentrations above a pre-defined target concentration for a pre-defined time may be relevant for optimal efficacy. It is assumed that PIP-plasma concentrations above the clinical breakpoint of the target pathogen [Pseudomonas aeruginosa, clinical breakpoint at minimal inhibitory concentration (MIC) 16 mg/L] should be reached for 100% of the dosing interval or >4xMIC (64 mg/L) for 50% of the dosing interval...
May 17, 2017: Infection
https://www.readbyqxmd.com/read/28503342/phenotypic-detection-and-antibiogram-of-%C3%AE-lactamase-producing-proteus-species-in-a-tertiary-care-hospital-india
#4
N Pal, S Hooja, R Sharma, R K Maheshwari
BACKGROUND: Proteus species cause a variety of community- and hospital-acquired illnesses. Synthesis of β-lactamases is the predominant mechanism for resistance to β-lactam antibiotics. Among the β-lactamases, extended spectrum β-lactamases (ESBLs) and AmpC β-lactamases are the most common. AIM: The objective of this study was to determine the occurrence of ESBL and AmpC β-lactamases in Proteus species among various clinical isolates at a tertiary care hospital, India...
September 2016: Annals of Medical and Health Sciences Research
https://www.readbyqxmd.com/read/28501674/target-attainment-with-continuous-dosing-of-piperacillin-tazobactam-in-critical-illness-a-prospective-observational-study
#5
Heleen Aardema, Prashant Nannan Panday, Mireille Wessels, Kay van Hateren, Willem Dieperink, Jos G W Kosterink, Jan-Willem Alffenaar, Jan G Zijlstra
Optimal dosing of β-lactam antibiotics in critically ill patients is a challenge given the unpredictable pharmacokinetic profile of this patient population. Several studies have shown intermittent dosing to often yield inadequate drug concentrations. Continuous dosing is an attractive alternative from a pharmacodynamic point of view. This study evaluated whether, during continuous dosing, piperacillin concentrations reached and maintained a pre-defined target in critically ill patients. Adult patients treated with piperacillin by continuous dosing in the intensive care unit of a university medical centre in The Netherlands were prospectively studied...
May 10, 2017: International Journal of Antimicrobial Agents
https://www.readbyqxmd.com/read/28499421/patterns-of-use-and-appropriateness-of-antibiotics-prescribed-to-patients-receiving-haemodialysis-an-observational-study
#6
Katrina Hui, Michelle Nalder, Kirsty Buising, Aspasia Pefanis, Khai Y Ooi, Eugenie Pedagogos, Craig Nelson, Carl M J Kirkpatrick, David C M Kong
BACKGROUND: There are limited published data on the types and appropriateness of oral and intravenous (IV) antibiotics prescribed to patients receiving haemodialysis. This information is critical to optimise antibiotic prescribing. Therefore this study aims to describe the patterns of use and the appropriateness of oral and IV antibiotics prescribed to patients receiving haemodialysis. METHODS: This was a prospective, observational study across four community and two hospital inpatient haemodialysis units in Melbourne, Australia...
May 12, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28497052/etiological-and-resistance-profile-of-bacteria-involved-in-urinary-tract-infections-in-young-children
#7
Antonio Sorlózano-Puerto, José María Gómez-Luque, Juan de Dios Luna-Del-Castillo, José María Navarro-Marí, José Gutiérrez-Fernández
Background. The objective of this study was to identify the bacteria most frequently responsible for urinary tract infection (UTI) in the population of under-2-year-olds in our geographic area and to evaluate the activity of antibiotics widely used for UTI treatment during a 4-year study period. Materials and Methods. A retrospective analysis was conducted of data on the identification and susceptibility of microorganisms isolated in urine samples from children under 2 years of age. Results. A total of 1,045 uropathogens were isolated...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28486867/hospital-length-of-stay-among-patients-receiving-intermittent-versus-prolonged-piperacillin-tazobactam-infusion-in-the-intensive-care-units
#8
Jeannie D Chan, Timothy H Dellit, John B Lynch
OBJECTIVES: We sought to evaluate clinical outcomes of intensive care unit (ICU) patients following a hospital-wide initiative of prolonged piperacillin/tazobactam (PIP/TAZ) infusion. METHODS: Retrospective observational study of patients >18 years old who was hospitalized in the ICU receiving PIP/TAZ for >72 hours during the preimplementation (June 1, 2010 to May 31, 2011) and postimplementation (July 7, 2011 to June 30, 2014) periods. RESULTS: There were 124 and 429 patients who met inclusion criteria with average age of 54...
January 1, 2017: Journal of Intensive Care Medicine
https://www.readbyqxmd.com/read/28483953/ceftolozane-tazobactam-activity-against-pseudomonas-aeruginosa-clinical-isolates-from-us-hospitals-report-from-an-antimicrobial-surveillance-program-pacts-2012-2015
#9
Dee Shortridge, Mariana Castanheira, Michael A Pfaller, Robert K Flamm
The activity of ceftolozane-tazobactam was compared to the activity of 7 antimicrobials against 3,851 Pseudomonas aeruginosa isolates collected from 32 US hospitals in the Program to Assess Ceftolozane-Tazobactam Susceptibility from 2012-2015. Ceftolozane-tazobactam and comparator susceptibilities were determined using the CLSI broth microdilution method at a central monitoring laboratory. For ceftolozane-tazobactam, 97.0% of the isolates were susceptible. Susceptibilities of the other antibacterials tested were: amikacin, 96...
May 8, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28463218/-aerobic-etiology-of-acute-appendicitis-in-adults-multicenter-study-of-abdominal-sepsis-in-argentina
#10
Pablo G Scapellato, Pedro Pessacq, Alejandra Corso, Fernando Pasteran, Melina Rapoport, Walter Vasen, Corina Nemirovsky, Aníbal Calmaggi
Antibiotic treatment for acute appendicitis is empirically chosen, based on epidemiological information. Resistance rates are different between regions and there are limited data on the situation in Argentina. As a part of a multicenter, observational study of abdominal infections, we performed the analysis of adult patients diagnosed with appendicitis, enrolled in 16 centers of 5 provinces, between Jan/01/2014 and Jun/30/2015. The aim was to analyze the prevalent aerobic pathogens, their resistance rates and the antimicrobial prescription pattern...
2017: Medicina
https://www.readbyqxmd.com/read/28454524/cost-effectiveness-of-ceftolozane-tazobactam-compared-with-piperacillin-tazobactam-as-empiric-therapy-based-on-the-in-vitro-surveillance-of-bacterial-isolates-in-the-united-states-for-the-treatment-of-complicated-urinary-tract-infections
#11
Teresa L Kauf, Vimalanand S Prabhu, Goran Medic, Rebekah H Borse, Benjamin Miller, Jennifer Gaultney, Shuvayu S Sen, Anirban Basu
BACKGROUND: A challenge in the empiric treatment of complicated urinary tract infection (cUTI) is identifying the initial appropriate antibiotic therapy (IAAT), which is associated with reduced length of stay and mortality compared with initial inappropriate antibiotic therapy (IIAT). We evaluated the cost-effectiveness of ceftolozane/tazobactam compared with piperacillin/tazobactam (one of the standard of care antibiotics), for the treatment of hospitalized patients with cUTI. METHODS: A decision-analytic Monte Carlo simulation model was developed to compare the costs and effectiveness of empiric treatment with either ceftolozane/tazobactam or piperacillin/tazobactam in hospitalized adult patients with cUTI infected with Gram-negative pathogens in the US...
April 28, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28450951/characteristics-of-carbapenemase-producing-klebsiella-pneumoniae-as-a-cause-of-neonatal-infection-in-shandong-china
#12
Yan Jin, Xiaofei Song, Yigang Liu, Yong Wang, Bingchang Zhang, Hui Fan, Chunhong Shao
The goal of the present study was to examine the characteristics of carbapenem-resistant Klebsiella pneumoniae as a cause of neonatal infection. A total of 37 carbapenem-resistant Klebsiella pneumoniae-positive newborns hospitalized in Shandong Provincial Hospital, China between April 2011 and October 2013 were examined. Antibiotic susceptibility testing was performed using the agar dilution method and the Etest. Resistance genes were assessed by polymerase chain reaction (PCR) and sequencing. Pulsed-field gel electrophoresis (PFGE) and multi-locus sequence typing (MLST) were used to determine the genotypes and homology of these isolates...
March 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28446572/evaluation-of-the-accelerate-pheno%C3%A2-system-for-fast-identification-and-antimicrobial-susceptibility-testing-from-positive-blood-culture-in-gram-negative-bloodstream-infection
#13
Matthias Marschal, Johanna Bachmaier, Ingo Autenrieth, Philipp Oberhettinger, Matthias Willmann, Silke Peter
Bloodstream infections (BSI) are an important cause of morbidity and mortality. Increasing rates of antimicrobial resistant pathogens limit treatment options, prompting an empirical use of broad-range antibiotics. Fast and reliable diagnostic tools are needed to provide adequate therapy in a timely manner and to enable a de-escalation of treatment.The Accelerate Pheno™ system (Accelerate Diagnostics, USA) is a fully automated test system that performs both identification (ID) and antimicrobial susceptibility testing (AST) directly from positive blood cultures within approx...
April 26, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28445776/antimicrobial-resistance-in-the-bacteroides-fragilis-group-in-faecal-samples-from-patients-receiving-broad-spectrum-antibiotics
#14
Kia Cirkeline Møller Hansen, Simon A F Schwensen, Daniel Pilsgaard Henriksen, Ulrik Stenz Justesen, Thomas Vognbjerg Sydenham
Members of the Bacteroides fragilis group are opportunistic pathogens and cause severe infections including bacteraemia. As increased levels of antimicrobial resistance in B. fragilis group bacteria can be detected years after administration of specific antibiotics, monitoring antimicrobial susceptibility in the gut microbiota could be important. The objectives of this study were to 1) investigate the distribution of species and the occurrence of reduced antimicrobial susceptibility in the B. fragilis group from patients treated at departments with a high level of antibiotic use, 2) to determine the prevalence of the carbapenem resistance gene cfiA in B...
April 23, 2017: Anaerobe
https://www.readbyqxmd.com/read/28445079/multiple-antimicrobial-resistance-and-novel-point-mutation-in-fluoroquinolone-resistant-escherichia-coli-isolates-from-mangalore-india
#15
Santhosh Kogaluru Shivakumaraswamy, Deekshit Vijaya Kumar, Venugopal Moleyuru Nagarajappa, Iddya Karunasagar, Indrani Karunasagar
Fluoroquinolone resistance in bacteria is usually associated with mutations in the topoisomerase regions. We report a novel point mutation in fluoroquinolone-resistant Escherichia coli strains. E. coli isolated from the environment in and around Mangalore, India, were examined for their antimicrobial resistance profile to 12 antibiotics and for the antibiotic resistance genes by polymerase chain reaction. Of the 67 E. coli isolated, 24 (35.8%) were sensitive to all antibiotics and 43 (64.2%) showed resistance to at least one of the 12 antibiotics used in the study...
April 26, 2017: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/28444166/the-effect-of-a-piperacillin-tazobactam-shortage-on-antimicrobial-prescribing-and-clostridium-difficile-risk-in-88-u-s-medical-centers
#16
Alan E Gross, Richard S Johannes, Vikas Gupta, Ying P Tabak, Arjun Srinivasan, Susan C Bleasdale
Background: Anti-infective shortages are a pervasive problem in the U.S. The objective of this study was to identify any associations between changes in antibiotic prescribing during a piperacillin/tazobactam (PIP/TAZO) shortage and hospital-onset Clostridium difficile infection (HO-CDI) risk in 88 U.S medical centers. Methods: We analyzed electronically captured microbiology and antibiotic use data from a network of U.S. hospitals from July 2014 through June 2015...
April 24, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28440913/piperacillin-tazobactam-versus-cefepime-incidence-of-acute-kidney-injury-in-combination-with-vancomycin-and-tobramycin-in-pediatric-cystic-fibrosis-patients
#17
Lisa K LeCleir, Rebecca S Pettit
BACKGROUND: Cystic fibrosis (CF) patients often receive prolonged courses of broad spectrum antibiotics, such as piperacillin-tazobactam or cefepime in combination with vancomycin and tobramycin. The objective of this study was to determine the difference in AKI for pediatric CF patients receiving piperacillin-tazobactam or cefepime in combination with vancomycin and tobramycin. METHODS: IRB approval from a single CF center was obtained for this retrospective cohort study...
April 25, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28440605/-carbapenem-resistance-in-pseudomonas-aeruginosa-isolated-from-urine-cultures-prevalence-and-risk-factors
#18
J Álvarez-Otero, J L Lamas-Ferreiro, L González-González, I Rodríguez-Conde, M J Fernández-Soneira, A Arca-Blanco, J R Bermúdez-Sanjurjo, J de la Fuente-Aguado
OBJECTIVE: Pseudomonas aeruginosa is a non-fermentative gram-negative bacillus with a great ability to develop resistance to multiple antibiotics, including carbapenems, which is a growing problem worldwide. The aim of this study was to analyse the prevalence of carbapenem-resistant P. aeruginosa (CRPA) in urine cultures and to determine the risk factors associated with the development of carbapanem resistance. METHODS: Positive urine cultures to P. aeruginosa between September 2012 and September 2014 were identified...
April 25, 2017: Revista Española de Quimioterapia: Publicación Oficial de la Sociedad Española de Quimioterapia
https://www.readbyqxmd.com/read/28439390/nosocomial-pseudomonas-putida-meningitis-a-case-report-and-literature-review
#19
Fahmi Yousef Khan, Mohammed AbuKamar, Deshmukh Anand
We report a case of Pseudomonas putida meningitis in a 26-year-old Nepalese man who was admitted to Hamad General Hospital with epidermoid cyst for drainage. Ommaya reservoir was placed into the cyst for drainage and externalventricular drainage (EVD) was performed. After four days, the patient was transferred to the ward in stable condition. His weakness resolved partially and headache severity decreased. After three days, the patient developed fever and headache severity increased with deterioration of consciousness level...
March 2017: Oman Medical Journal
https://www.readbyqxmd.com/read/28439137/compatibility-of-ceftazidime-avibactam-ceftolozane-tazobactam-and-piperacillin-tazobactam-with-vancomycin-in-dextrose-5-in-water
#20
Kevin Meyer, Maressa Santarossa, Larry H Danziger, Eric Wenzler
Objectives: The compatibility of vancomycin with existing and novel β-lactam/β-lactamase inhibitors at clinically relevant concentrations in 5% dextrose in water has not been fully explored to date. Methods: Vancomycin concentrations tested ranged from 5 to 20 mg/mL. Ceftazidime-avibactam was tested at 8, 20, and 40 mg/mL, ceftolozane-tazobactam at 15 mg/mL, and piperacillin-tazobactam at 28 mg/mL. Compatibility of drug admixtures were tested via both simulated and actual y-site infusion. For the simulated y-site compatibility assessment, 1:1 mixtures of each respective drug were analyzed over 24 hours...
March 2017: Hospital Pharmacy
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