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piperacillin tazobactam

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https://www.readbyqxmd.com/read/28811792/antimicrobial-susceptibility-patterns-of-clinical-isolates-of-pseudomonas-aeruginosa-isolated-from-patients-of-respiratory-tract-infections-in-a-tertiary-care-hospital-peshawar
#1
Abdul Samad, Tanveer Ahmed, Afaq Rahim, Abdul Khalil, Iftikhar Ali
OBJECTIVE: This study aims to determine the prevalence and susceptibility pattern of Pseudomonas aeruginosa and multidrug-resistant (MDR) isolates in patients suffering from respiratory tract infection. METHODS: A cross sectional study was conducted from January to December 2014 in Northwest General Hospital and Research Centre, Peshawar. A total of 615 sputum samples were collected from both in and out-patients. Sputum samples were collected as per standard procedure and were inoculated on Blood, MacConkey and Chocolate agar...
May 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28808302/effects-of-one-week-empirical-antibiotic-therapy-on-the-early-development-of-gut-microbiota-and-metabolites-in-preterm-infants
#2
Danping Zhu, Sa Xiao, Jialin Yu, Qing Ai, Yu He, Chen Cheng, Yunhui Zhang, Yun Pan
The early postnatal period is the most dynamic and vulnerable stage in the assembly of intestinal microbiota. Antibiotics are commonly prescribed to newborn preterm babies and are frequently used for a prolonged duration in China. We hypothesized that the prolonged antibiotic therapy would affect the early development of intestinal microbiota and their metabolites. To test this hypothesis, we analyzed the stool microbiota and metabolites in 36 preterm babies with or without antibiotic treatment. These babies were divided into three groups, including two groups treated with the combination of penicillin and moxalactam or piperacillin-tazobactam for 7 days, and the other group was free of antibiotics...
August 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28807922/are-standard-doses-of-piperacillin-in-piperacillin-tazobactam-regimens-adequate-for-the-management-of-febrile-neutropenia-answers-from-population-pharmacokinetic-modelling-and-monte-carlo-simulations
#3
Fekade Bruck Sime, Uwe Hahn, Morgyn S Warner, Ing Soo Tiong, Michael S Roberts, Jeffrey Lipman, Sandra L Peake, Jason A Roberts
Changes in the pharmacokinetics of piperacillin in febrile neutropenic patients have been reported to result in sub-optimal exposures. This study aimed to develop a population pharmacokinetic model for piperacillin and perform dosing simulation to describe optimal dosing regimens for haematological malignancy patients with febrile neutropenia. Concentration-time data were obtained from previous prospective observational pharmacokinetic and interventional therapeutic drug monitoring studies. Non-parametric population pharmacokinetic analysis and Monte Carlo dosing simulations were performed with Pmetrics® package for R...
August 14, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28806566/volumetric-adsorptive-microsampling-liquid-chromatography-tandem-mass-spectrometry-assay-for-the-simultaneous-quantification-of-four-antibiotics-in-human-blood-method-development-validation-and-comparison-with-dried-blood-spot
#4
Sebastiano Barco, Elio Castagnola, Andrea Moscatelli, James Rudge, Gino Tripodi, Giuliana Cangemi
In this paper we show the development and validation of a volumetric absorptive microsampling (VAMS™)-LC-MS/MS method for the simultaneous quantification of four antibiotics: piperacillin-tazobactam, meropenem, linezolid and ceftazidime in 10μL human blood. The novel VAMS-LC-MS/MS method has been compared with a dried blood spot (DBS)-based method in terms of impact of hematocrit (HCT) on accuracy, reproducibility, recovery and matrix effect. Antibiotics were extracted from VAMS and DBS by protein precipitation with methanol after a re-hydration step at 37°C for 10min...
August 2, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28803185/risk-of-allergic-reactions-to-recurrent-intravenous-penicillin-administration-in-penicillin-skin-test-negative-patients
#5
Steve M Dorman, Sharon Seth, David A Khan
BACKGROUND: Patients with a history of penicillin allergy who are found to be skin test negative to penicillin are able to tolerate repeated oral doses of penicillin with low rates of resensitization. However, the resensitization rate after repeated doses of intravenous penicillin is less clear. OBJECTIVE: We sought to evaluate the risk of allergic reactions to repeated doses of intravenous penicillin in patients who previously reported penicillin allergy and were found to be penicillin skin test and oral challenge negative...
August 9, 2017: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/28799833/plasmid-mediated-colistin-resistance-gene-mcr-1-in-an-escherichia-coli-st10-bloodstream-isolate-in-the-sultanate-of-oman
#6
Jalila Mohsin, Tibor Pál, Jorgen Eskild Petersen, Dania Darwish, Akela Ghazawi, Tanveer Ashraf, Agnes Sonnevend
AIMS: To identify plasmid-mediated colistin resistance in clinical Enterobacteriaceae isolates in Oman, where this resistance mechanism has not been encountered yet. MATERIALS/METHODS: Twenty-two colistin-resistant Enterobacteriaceae clinical isolates collected between July 2014 and June 2016 in a tertiary care hospital in Muscat were screened by PCR for the mcr-1 and mcr-2 genes. The strain identified as mcr-1 positive was genotyped and its antibiotic susceptibility was established...
August 11, 2017: Microbial Drug Resistance: MDR: Mechanisms, Epidemiology, and Disease
https://www.readbyqxmd.com/read/28793956/hypersensitivity-reaction-to-%C3%AE-lactam-antibiotics-in-patients-with-adult-t-cell-leukemia-lymphoma-treated-with-mogamulizumab%C3%A2
#7
Takeo Yasu, Yoichi Imai, Nobuhiro Ohno, Kaoru Uchimaru, Yosuke Kurokawa, Arinobu Tojo
Mogamulizumab (MOG) is a humanized anti-CCR4 monoclonal antibody that is highly cytotoxic for adult T-cell leukemia/lymphoma (ATL) cells. Most non-hematological adverse events are cutaneous adverse reactions in ATL patients. We reviewed the medical records of 24 patients with CCR4-positive aggressive ATL who had received MOG treatment. The incidence of MOG-induced cutaneous adverse reactions (MCARs) was 25% (6 patients). Four patients with MCAR had an interesting clinical course, compared with MCARs reported in previous reports...
August 10, 2017: International Journal of Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28774865/shifts-in-antimicrobial-consumption-and-infection-rates-before-and-during-a-piperacillin-tazobactam-shortage
#8
S Travis King, Katie E Barber, Jason J Parham, Kayla R Stover
BACKGROUND: Anti-infective shortages represent a growing threat to the optimal management of the infected patient and alter the institutional selective pressure against hospital-acquired infections. The objective of this analysis was to assess the impact that a shortage of piperacillin-tazobactam had on the overall antibacterial use and HAI rates at an academic institution. METHODS: Antimicrobial use and infection data were extracted from TheraDoc Clinical Surveillance Software (Premier, Inc...
July 31, 2017: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/28768448/resistance-phenotypes-and-susceptibility-of-contemporary-serratia-isolates-in-the-university-hospital-of-crete-greece
#9
George Samonis, Konstantinos Z Vardakas, Sofia Maraki, Petroula Stamouli, Viktoria-Eirini Mavromanolaki, Diamantis P Kofteridis, Matthew E Falagas
OBJECTIVE: To study changes in the susceptibility of Serratia spp. in Crete, Greece (2010-2015). METHODS: Non-duplicate isolates were examined using automated systems. Phenotypic confirmatory tests were applied. RESULTS: Three hundred and seventy-eight Serratia spp. were analyzed. Serratia marcescens (88.3%) was the predominant species. Fluoroquinolones (97.9%), carbapenems (97.4%) and fosfomycin (97.4%) were the most active followed by amikacin (95...
August 2, 2017: Infectious Diseases
https://www.readbyqxmd.com/read/28767588/successful-ceftazidime-avibactam-treatment-of-mdr-kpc-positive-klebsiella-pneumoniae-infection-in-a-patient-with-traumatic-brain-injury-a-case-report
#10
Agnese Gugliandolo, Carla Caio, Maria Lina Mezzatesta, Carmela Rifici, Placido Bramanti, Stefania Stefani, Emanuela Mazzon
RATIONALE: Carbapenem-resistant Enterobacteriaceae infections are a serious health care problem, because of the high mortality. Carbapenem resistance is mainly caused by carbapenemases production, including Klebsiella pneumoniae carbapenemase (KPC). Ceftazidime-avibactam is a new cephalosporin/β-lactamase inhibitor combination for the treatment of complicated urinary, intra-abdominal infections, and nosocomial pneumonia caused by gram negative, or other serious gram-negative infections...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28763905/-analysis-of-drug-resistance-of-acinetobacter-baumannii-in-wound-of-children-with-traffic-injury-and-its-relationship-with-antibiotic-use
#11
S Liu, C Wang, Y X Fu
Objective: To know the drug resistance of Acinetobacter baumannii (AB) in wound of children with traffic injury and its relationship with antibiotic use. Methods: Wound exudate of 226 children with traffic injury admitted to our unit from January 2010 to December 2015 were collected. API bacteria identification panels and fully automatic microbiological identification system were used to identify pathogens. Kirby-Bauer paper disk diffusion method was used to detect the drug resistance of pathogens to 18 antibiotics including amoxycillin/clavulanic acid, piperacillin/tazobactam, and imipenem...
July 20, 2017: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28760891/influence-of-beta-lactam-infusion-strategy-on-acute-kidney-injury
#12
Sarah E Cotner, W Cliff Rutter, Donna R Burgess, Katie L Wallace, Craig A Martin, David S Burgess
Background Limited literature is available assessing nephrotoxicity with prolonged beta-lactam infusions. This study compared the incidence of acute kidney injury (AKI) associated with a prolonged beta-lactam infusion (PI) or an intermittent infusion.Methods. This was a retrospective, matched cohort study at an academic medical center from July 2006 to September 2015. Adult patients who received piperacillin-tazobactam (TZP), cefepime (FEP), or meropenem (MEM) for at least 48 hours were evaluated. Patients were excluded for pre-existing renal dysfunction or pregnancy...
July 31, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28758635/cluster-distinguishing-genotypic-and-phenotypic-diversity-of-carbapenem-resistant-gram-negative-bacteria-in-solid-organ-transplantation-patients-a-comparative-study
#13
Theodoros Karampatakis, Anastasia Geladari, Lida Politi, Charalampos Antachopoulos, Elias Iosifidis, Olga Tsiatsiou, Aggeliki Karyoti, Vasileios Papanikolaou, Athanassios Tsakris, Emmanuel Roilides
PURPOSE: Solid-organ transplant recipients may display high rates of colonization and/or infection by multidrug-resistant bacteria. We analysed and compared the phenotypic and genotypic diversity of carbapenem-resistant (CR) strains of Klebsiella pneumoniae, Pseudomonas aeruginosa and Acinetobacter baumannii isolated from patients in the Solid Organ Transplantation department of our hospital. METHODOLOGY: Between March 2012 and August 2013, 56 CR strains from various biological fluids underwent antimicrobial susceptibility testing with VITEK 2, molecular analysis by PCR amplification and genotypic analysis with pulsed-field gel electrophoresis (PFGE)...
July 31, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28752063/urinary-tract-infection-with-pasteurella-multocida-in-a-patient-with-cat-exposure-and-abnormal-urinary-tract-physiology-case-report-and-literature-review
#14
Joel T Costanzo, Amy L Wojciechowski, Rajinder P S Bajwa
Pasteurella multocida is a gram-negative organism that commonly colonizes the mouth of cats and dogs, and is known to cause infection in humans associated with animal bites or scratches. Sites of infection other than skin and soft tissue are rare, but have been reported in patients with specific risk factors including anatomical abnormalities or immunosuppression. Herein, we report a case of a symptomatic urinary tract infection caused by P. multocida in a 59 year old female who presented to the hospital with complaints of systemic symptoms including malaise, rigors, and chills, as well as thick, malodorous urine...
2017: IDCases
https://www.readbyqxmd.com/read/28750653/bacteraemic-urinary-tract-infections-in-a-tertiary-hospital-in-japan-the-epidemiology-of-community-acquired-infections-and-the-role-of-non-carbapenem-therapy
#15
Momoko Mawatari, Kayoko Hayakawa, Yoshihiro Fujiya, Kei Yamamoto, Satoshi Kutsuna, Nozomi Takeshita, Norio Ohmagari
OBJECTIVES: This study aimed to describe the epidemiology of bacteraemic urinary tract infections (UTIs), especially those that were community-acquired (i.e., with no discernible healthcare-associated exposure) and caused by extended-spectrum beta-lactamase-producing Enterobacteriaceae (ESBLPE). We also evaluated and compared empirical antimicrobial treatments [carbapenem (CBP) vs. non-carbapenem beta-lactam (non-CBPBL)] for bacteraemic UTIs. Finally, we reviewed the published literature on the effectiveness of non-CBP compared to CBP treatments for UTIs caused by extended-spectrum beta-lactamase-producing organisms...
July 27, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28749392/evaluation-of-evidence-for-pharmacokinetics-pharmacodynamics-based-dose-optimization-of-antimicrobials-for-treating-gram-negative-infections-in-neonates
#16
REVIEW
Nusrat Shafiq, Samir Malhotra, Vikas Gautam, Harpreet Kaur, Pravin Kumar, Sourabh Dutta, Pallab Ray, Nilima A Kshirsagar
BACKGROUND & OBJECTIVES: Neonates present a special subgroup of population in whom optimization of antimicrobial dosing can be particularly challenging. Gram-negative infections are common in neonates, and inpatient treatment along with critical care is needed for the management of these infections. Dosing recommendations are often extrapolated from evidence generated in older patient populations. This systematic review was done to identify the knowledge gaps in the pharmacokinetics-pharmacodynamics (PK-PD)-based optimized dosing schedule for parenteral antimicrobials for Gram-negative neonatal infections...
March 2017: Indian Journal of Medical Research
https://www.readbyqxmd.com/read/28749329/in-vitro-efficacy-of-16-antimicrobial-drugs-against-a-large-collection-of-%C3%AE-lactamase-producing-isolates-of-extraintestinal-pathogenic-escherichia-coli-from-dogs-and-cats
#17
Takae Shimizu, Kazuki Harada, Yuzo Tsuyuki, Yui Kimura, Tadashi Miyamoto, Shingo Hatoya, Yoshiaki Hikasa
PURPOSE: The aim of this study was to assess the in vitro efficacy of candidate antimicrobials against extended-spectrum β-lactamase (ESBL)-producing isolates of extraintestinal pathogenic Escherichia coli (ExPEC) from companion animals. METHODOLOGY: A total of 90 ESBL-producing ExPEC isolates from dogs and cats were tested for susceptibility to 16 antimicrobials with the agar dilution method. We also identified the ESBLs and AmpC β-lactamases of these isolates with PCR and DNA sequencing...
July 28, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/28747416/discitis-and-clostridium-perfringens-bacteraemia
#18
Chen Han Yong, Miranda Lam
The authors present a case involving an 80-year-old man with infectious T10/T11 discitis on the background of a recent Clostridium perfringens bacteraemia. This case report describes a case of probable C. perfringens discitis as further investigations failed to identify any causative agents. He was treated with intravenous piperacillin/tazobactam to good effect, achieving favourable clinical outcome. Diagnosis of discitis/osteomyelitis can often be delayed and mismanaged due to its non-specific presentations...
July 26, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28738817/exacerbation-of-bronchiectasis-by-pseudomonas-monteilii-a-case-report
#19
Aditi, Malini Shariff, Kiran Beri
BACKGROUND: Pseudomonas spp are important opportunistic and nosocomial pathogens. One such species is Pseudomonas monteilii (P. monteilii). It has been described as an environmental contaminant and potential pathogen. We identified this organism as the causative agent of an exacerbation of bronchiectasis and an environmental contaminant in our hospital on two separate occasions. CASE PRESENTATION: P. monteilii was the cause of an exacerbation of bronchiectasis in a 30-year-old HIV negative male...
July 24, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28735046/ceftolozane-tazobactam-activity-against-drug-resistant-enterobacteriaceae-and-pseudomonas-aeruginosa-causing-healthcare-associated-infections-in-australia-and-new-zealand-report-from-an-antimicrobial-surveillance-program-2013-2015
#20
M A Pfaller, D Shortridge, H S Sader, R K Flamm, M Castanheira
OBJECTIVES: To evaluate the in vitro activity of ceftolozane-tazobactam and comparator agents tested against isolates of Enterobacteriaceae and Pseudomonas aeruginosa from patients in Australia and New Zealand with healthcare-associated infection. METHODS: A total of 1459 gram-negative organisms (440 P. aeruginosa and 1019 Enterobacteriaceae) were consecutively collected from 11 medical centers located in Australia and New Zealand. The organisms were tested for susceptibility by broth microdilution methods as described by the CLSI M07-A10 document and the results interpreted according to EUCAST and CLSI breakpoint criteria...
July 19, 2017: Journal of Global Antimicrobial Resistance
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