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https://www.readbyqxmd.com/read/28923865/an-in-vitro-comparison-of-ceftolozane-tazobactam-compared-to-traditional-beta-lactams-as-an-alternative-to-combination-antimicrobial-therapy-for-pseudomonas-aeruginosa
#1
Kellie J Goodlet, David P Nicolau, Michael D Nailor
Background: Guidelines for sepsis, febrile neutropenia, and hospital-acquired pneumonia include empiric regimens incorporating two antibiotics from different classes with activity against Pseudomonas aeruginosa for select at-risk patients to increase the likelihood of susceptibility to at least one agent.Objectives: The activity and cross-resistance rates of ceftolozane/tazobactam were compared to β-lactam comparators cefepime, ceftazidime, piperacillin/tazobactam, and meropenem alone and cumulatively with ciprofloxacin or tobramycin against P...
September 18, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28919694/incidence-of-bovine-clinical-mastitis-in-jammu-region-and-antibiogram-of-isolated-pathogens
#2
Adil Majid Bhat, Jasvinder Singh Soodan, Rajiv Singh, Ishfaq Ahmad Dhobi, Tufail Hussain, Mohammad Yousuf Dar, Muheet Mir
AIM: This study was conducted to evaluate the incidence of clinical mastitis in bovines of Jammu region, to identify the infectious organisms responsible for it, and the antimicrobial sensitivity of isolated pathogens. MATERIALS AND METHODS: The study was conducted on cases that were presented to the Medicine Division of Teaching Veterinary Clinical Complex, Faculty of Veterinary Sciences and Animal Husbandry, R.S. Pura, Jammu, Jammu and Kashmir. A total of 260 cases of bovines were presented from June 30, 2012, to July 01, 2013, out of which 30 cases were of clinical mastitis...
August 2017: Veterinary World
https://www.readbyqxmd.com/read/28906422/increased-risk-of-acute-kidney-injury-in-critically-ill-children-treated-with-vancomycin-and-piperacillin-tazobactam
#3
Maya R Holsen, Calvin J Meaney, Amanda B Hassinger, Nicholas M Fusco
OBJECTIVES: Compare the rates of acute kidney injury in critically ill children treated with vancomycin and piperacillin-tazobactam versus vancomycin and ceftriaxone. DESIGN: Retrospective cohort study. SETTING: A large tertiary care children's hospital in an urban setting. PATIENTS: Children greater than or equal to 2 months old admitted to the PICU who received greater than or equal to 48 consecutive hours of vancomycin and piperacillin-tazobactam or vancomycin and ceftriaxone...
September 12, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28904920/antimicrobial-susceptibility-pattern-of-extended-spectrum-beta-lactamases-producing-organisms-isolated-in-a-tertiary-care-hospital-bangladesh
#4
Mohammad Jobayer, Zeenat Afroz, Sultana Shazeda Nahar, Ayesha Begum, Shahin Ara Begum, S M Shamsuzzaman
CONTEXT: Infection caused by extended-spectrum beta-lactamases (ESBL) producing organism is a major problem regarding antibiotic resistance. AIMS: The aim of this study was to find out the antibiogram of ESBL producing organisms isolated from various samples. SETTINGS AND DESIGN: This cross-sectional study was carried out in the Department of Microbiology of a Tertiary Care Hospital, Dhaka, Bangladesh from January to June 2014. SUBJECTS AND METHODS: One Hundred and seventy-nine ESBL producing Gram-negative organisms detected phenotypically by double-disc synergy test were enrolled in this study...
July 2017: International Journal of Applied and Basic Medical Research
https://www.readbyqxmd.com/read/28904387/bacterial-distributions-and-prognosis-of-bloodstream-infections-in-patients-with-liver-cirrhosis
#5
Yangxin Xie, Bo Tu, Zhe Xu, Xin Zhang, Jingfeng Bi, Min Zhao, Weiwei Chen, Lei Shi, Peng Zhao, Chunmei Bao, Enqiang Qin, Dongping Xu
Bloodstream infections (BSIs) are a frequently observed complication in liver cirrhosis patients. This study aimed to investigate the microbiological characteristics and outcomes of BSIs in patients with liver cirrhosis. We retrospectively studied 852 patients with liver cirrhosis who developed a BSI. Patient outcome was evaluated using 30-day mortality and assessed using multivariate stepwise logistic regression analysis. Antibiotic sensitivity of the pathogens was tested. Gram-negative bacteria were responsible for 59...
September 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28900445/anaphylactoid-purpura-associated-with-streptococcal-cellulitis-a-case-report-and-literature-review
#6
Yuko Saito, Susumu Ookawara, Hisataka Uchima, Takeshi Ishida, Masafumi Kakei, Hitoshi Sugawara
A 54-year-old Japanese man noticed painful swelling and redness of his left leg. He was admitted for treatment of cellulitis, which was accompanied with increased anti-streptolysin O and anti-streptokinase titers in his clinical course. After Piperacillin/Tazobactam administration, the skin lesion resolved. However, the patient then developed arthritis, palpable purpura, and intermittent abdominal pain, later found to be secondary to a severe duodenal ulcer. He was diagnosed with cellulitis-associated anaphylactoid purpura and was given prednisolone, which dramatically improved his symptoms...
2017: Case Reports in Medicine
https://www.readbyqxmd.com/read/28893779/pharmacokinetics-and-tissue-penetration-of-ceftolozane-tazobactam-in-diabetic-patients-with-lower-limb-infections-and-healthy-adult-volunteers
#7
Marguerite L Monogue, Sean M Stainton, Arlinda Baummer-Carr, Ashley K Shepard, James F Nugent, Joseph L Kuti, David P Nicolau
Ceftolozane/tazobactam displays potent activity against gram-negative bacteria that can cause diabetic foot infections (DFI), making it an attractive treatment option when few alternatives exist. The pharmacokinetics and tissue penetration of ceftolozane/tazobactam 1.5g q8h in patients (n=10) with DFI were compared with healthy volunteers (n=6) using in vivo microdialysis. In patient participants, median (range) total plasma pharmacokinetics for ceftolozane were Cmax: 55.2 (40.9-169.3) μg/mL, half-life (T1/2): 3...
September 11, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28893690/new-agents-for-the-treatment-of-infections-with-gram-negative-bacteria-restoring-the-miracle-or-false-dawn
#8
REVIEW
Hugh Wright, Robert A Bonomo, David L Paterson
BACKGROUND: Antibiotic resistance in gram-negative resistance has developed without a commensurate response in the successful development of antibiotic agents, though recent progress has been made. AIMS: This review aims to provide a summary of the existing evidence on efficacy, spectrum of activity and the development of resistance of new agents that have been licensed or completed advanced clinical trials that possess activity against resistant gram-negative organisms...
September 8, 2017: Clinical Microbiology and Infection
https://www.readbyqxmd.com/read/28885936/vancomycin-vs-vancomycin-piperacillin-tazobactam-associated-acute-kidney-injury-in-noncritically-ill-patients-at-a-tertiary-care-military-treatment-facility
#9
Caleb W Anderson, Kathy S Cazares, Michael B Lustik, Shivam M Patel, Troy M Denunzio
BACKGROUND: Broad-spectrum antibiotics are often used as initial empiric therapy in patients at risk for infections by multidrug-resistant organisms. Emerging literature and anecdotal reports within Tripler Army Medical Center indicate an increased incidence of vancomycin-associated acute kidney injury when used in combination with piperacillin-tazobactam. This is a retrospective, single-center study comparing the incidence of acute kidney injury in noncritically ill patients receiving either vancomycin or vancomycin in combination with piperacillin-tazobactam in a 206-bed tertiary care military training facility...
September 2017: Military Medicine
https://www.readbyqxmd.com/read/28882013/antimicrobial-management-in-nosocomial-peritonitis-microbiota-drug-and-time
#10
REVIEW
A Montero, P Salgado Aranda, F Gilsanz, E Maseda
Complicated intra-abdominal infection requires surgical treatment and broad-spectrum empiric antibiotic treatment used early. The rapid spread of multidrug-resistant bacteria has become a serious threat, especially in critical care units. The excessive use of carbapenems has led to carbapenemase-producing Enterobacteriaceae, leaving tigecycline and colistin as therapeutical options. The new antimicrobials, ceftazidime-avibactam and ceftolozane-tazobactam open new horizons in the treatment of multi-drug resistant Enterobacteriaceae...
September 2017: Revista Española de Quimioterapia: Publicación Oficial de la Sociedad Española de Quimioterapia
https://www.readbyqxmd.com/read/28874376/genomics-and-susceptibility-profiles-of-extensively-drug-resistant-xdr-pseudomonas-aeruginosa-from-spain
#11
Ester Del Barrio-Tofiño, Carla López-Causapé, Gabriel Cabot, Alba Rivera, Natividad Benito, Concepción Segura, María Milagro Montero, Luisa Sorlí, Fe Tubau, Silvia Gómez-Zorrilla, Nuria Tormo, Raquel Durá-Navarro, Esther Viedma, Elena Resino-Foz, Marta Fernández-Martínez, Claudia González-Rico, Izaskun Alejo-Cancho, Jose Antonio Martínez, Cristina Labayru-Echverria, Carlos Dueñas, Ignacio Ayestarán, Laura Zamorano, Luis Martinez-Martinez, Juan Pablo Horcajada, Antonio Oliver
This study assessed the molecular epidemiology, resistance mechanisms and susceptibility profiles of a collection of 150 XDR P. aeruginosa clinical isolates obtained from a 2015 Spanish multicenter study, with a particular focus on resistome analysis in relation to ceftolozane/tazobactam susceptibility. Broth microdilution MICs revealed that nearly all (>95%) of the isolates were nonsusceptible to piperacillin/tazobactam, ceftazidime, cefepime, aztreonam, imipenem, meropenem and ciprofloxacin. Most of them were also resistant to tobramycin (77%), whereas nonsusceptibility rates were lower for ceftolozane/tazobactam (31%), amikacin (7%) and colistin (2%)...
September 5, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28873292/dose-exposure-simulation-for-piperacillin-tazobactam-dosing-strategies-in-infants-and-young-children
#12
Céline Thibault, Nastya Kassir, Yves Théorêt, France Varin, Catherine Litalien, Julie Autmizguine
BACKGROUND: Extended piperacillin-tazobactam (TZP) infusions have been associated with favourable outcomes. There are currently no pediatric dosing recommendations. OBJECTIVES: To determine appropriate TZP dosing strategies in children 2 months - 6 years according to age and different minimal inhibitory concentrations (MICs). METHODS: Age and weight were simulated for 1000 children. Post-hoc pharmacokinetic parameter estimates were generated using published clearance and volume of distribution data...
August 21, 2017: Journal of Population Therapeutics and Clinical Pharmacology
https://www.readbyqxmd.com/read/28868509/-targeted-prophylaxis-impact-of-rectal-swab-culture-directed-prophylaxis-on-infectious-complications-after-transrectal-ultrasound-guided-prostate-biopsy
#13
Prabhjot Singh, Ashish Kumar, Siddharth Yadav, Lok Prakash, Brusabhanu Nayak, Rajeev Kumar, Arti Kapil, Prem Nath Dogra
PURPOSE: To assess the prevalence of fluoroquinolone resistance among patients undergoing transrectal ultrasound (TRUS)-guided prostate biopsy and the impact of rectal swab culture-directed antibiotic prophylaxis on postbiopsy infectious complications. MATERIALS AND METHODS: We prospectively analyzed all patients undergoing TRUS-guided prostate biopsy from April 2013 to February 2015. Antibiotic prophylaxis was tailored to the results of rectal swab cultures. If the organism was fluoroquinolone-sensitive, oral ciprofloxacin 500 mg with tinidazole 600 mg was prescribed...
September 2017: Investigative and Clinical Urology
https://www.readbyqxmd.com/read/28867699/frequency-of-acute-kidney-injury-caused-by-tazobactam-piperacillin-in-patients-with-pneumonia-and-chronic-kidney-disease-a-retrospective-observational-study
#14
Takeyori Morimoto, Hiroki Nagashima, Yasuko Morimoto, Shogo Tokuyama
 Tazobactam/piperacillin (TAZ/PIPC) is a combination antibiotic frequently used to treat pneumonia. It has recently been reported that TAZ/PIPC worsens renal function in patients with existing renal impairment. Creatinine clearance is generally between 10 and 40 mL/min in Japanese patients, so TAZ/PIPC is given at a dose of 2.25 g three times daily or 4.5 g twice daily. If pneumonia is severe or intractable, the dose frequency may be increased to 2.25 g four times daily and 4.5 g three times daily. We examined the effect of these different dosing regimens on renal function...
2017: Yakugaku Zasshi: Journal of the Pharmaceutical Society of Japan
https://www.readbyqxmd.com/read/28857848/nebulized-versus-iv-amikacin-as-adjunctive-antibiotic-for-hospital-and-ventilator-acquired-pneumonia-postcardiac-surgeries-a-randomized-controlled-trial
#15
Nehal A Hassan, Faten Farid Awdallah, Maggie M Abbassi, Nirmeen A Sabry
OBJECTIVE: Nebulized antibiotics offer high efficacy due to significant local concentrations and safety with minimal blood levels. This study evaluates the efficacy and nephrotoxicity of nebulized versus IV amikacin in postcardiothoracic surgical patients with nosocomial pneumonia caused by multidrug-resistant Gram--negative bacilli. DESIGN: Prospective, randomized, controlled study on surgical patients divided into two groups. SETTING: Postcardiac surgery ICU...
August 28, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28855980/pseudomonas-endocarditis-with-an-unstable-phenotype-the-challenges-of-isolate-characterization-and-carbapenem-stewardship-with-a-partial-review-of-the-literature
#16
Emil Lesho, Erik Snesrud, Yoon Kwak, Ana Ong, Rosslyn Maybank, Maryrose Laguio-Vila, Ann R Falsey, Mary Hinkle
BACKGROUND: Pseudomonas endocarditis is exceedingly rare, especially in patients without predisposing risks. We present such a case that included unexpected switches in antibacterial resistance profiles in two Pseudomonas aeruginosa (PA) strains with the same whole-genome sequence. The case also involved diagnostic and treatment challenges, such as issues with automated testing platforms, choosing the optimal aminoglycoside, minimizing unnecessary carbapenem exposure, and the need for faster, more informative laboratory tests...
2017: Antimicrobial Resistance and Infection Control
https://www.readbyqxmd.com/read/28853113/a-retrospective-analysis-do-bacterial-culture-and-sensitivity-data-support-empiric-use-of-piperacillin-tazobactam-and-antipseudomonal-fluoroquinolones-in-hospitalized-patients
#17
Saxena Pulkit, Ryan V Burkhart, Craig R Ainsworth
No abstract text is available yet for this article.
July 2017: U.S. Army Medical Department Journal
https://www.readbyqxmd.com/read/28842521/impact-of-a-quality-assessment-dashboard-on-the-comprehensive-review-of-pharmacist-performance
#18
Long D Trinh, Erin M Roach, Eric D Vogan, Simon W Lam, Garrett G Eggers
PURPOSE: The impact of a quality-assessment dashboard and individualized pharmacist performance feedback on the adherence of order verification was evaluated. METHODS: A before-and-after study was conducted at a 1,440-bed academic medical center. Adherence of order verification was defined as orders verified according to institution-derived, medication-related guidelines and policies. Formulas were developed to assess the adherence of verified orders to dosing guidelines using patient-specific height, weight, and serum creatinine clearance values from the electronic medical record at the time of pharmacist verification...
September 1, 2017: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/28842518/formalization-of-an-antimicrobial-stewardship-program-in-a-small-community-hospital
#19
Alexa R Lockwood, Nicole S Bolton, Mark D Winton, Jean T Carter
PURPOSE: Results of a study to formalize an antimicrobial stewardship program (ASP) in a small community hospital are presented. METHODS: The formalization process began with a gap analysis of the hospital's antimicrobial services, followed by the development of a fully integrated, multipharmacist ASP. The impact was studied with an institutional review board-approved study design. Retrospective pre-ASP data were pulled from March 1 to June 30, 2012 and 2013 patient records; prospective post-ASP data were collected for March 1 to June 30, 2015...
September 1, 2017: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/28840351/activity-of-temocillin-and-15-other-agents-including-fosfomycin-and-colistin-against-enterobacteriaceae-in-hong-kong
#20
Margaret Ip, Christopher K Lai, Kitty S C Fung, K-Tak Wong, Chendi Zhu, Sebastien Van de Velde, Dominic N Tsang, Peter Hawkey
Limited data are available on temocillin susceptibilities in Enterobacteriaceae from Asian countries where antimicrobial resistance is prevalent. The in vitro activities of temocillin and 15 commonly used antimicrobials against 613 non-duplicate blood (n = 310) and urine (with clinically significant bacteriuria; n = 303) isolates of Enterobacteriaceae from patients who attended 3 out of 7 clusters of public hospitals of the Hospital Authority, Hong Kong, during 2015/2016 were tested. Minimum inhibitory concentrations (MICs) were determined by Clinical and Laboratory Standards Institute (CLSI) microbroth dilution (agar dilution with fosfomycin)...
August 25, 2017: European Journal of Clinical Microbiology & Infectious Diseases
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