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https://www.readbyqxmd.com/read/28813751/superior-ophthalmic-vein-thrombosis-the-role-of-anticoagulation
#1
Samuel Thomsen, Eric Larson, Michael Greenwood
PURPOSE: To report a case of superior ophthalmic vein thrombosis (SOVT) and review the available literature to assess if anticoagulation is warranted in all cases of SOVT. OBSERVATIONS: The patient presented to an outside hospital facility with a severe headache involving the left frontal temporal area. This progressed to left-sided ptosis and facial droop. Magnetic resonance imaging revealed a left SOVT secondary to sphenoid sinusitis. Treatment was initiated with vancomycin and cefepime, and the patient was transferred to our tertiary care center for further management...
May 2017: South Dakota Medicine: the Journal of the South Dakota State Medical Association
https://www.readbyqxmd.com/read/28808398/mechanism-of-action-of-isolated-caffeic-acid-and-epicatechin-3-gallate-from-euphorbia-hirta-against-pseudomonas-aeruginosa
#2
Shanmugapriya Perumal, Roziahanim Mahmud, Sabariah Ismail
BACKGROUND: The escalating dominance of resistant Pseudomonas aeruginosa strains as infectious pathogen had urged the researchers to look for alternative and complementary drugs. OBJECTIVE: The objective of this study is to address the biological targets and probable mechanisms of action underlying the potent antibacterial effect of the isolated compounds from Euphorbia hirta (L.) against P. aeruginosa. MATERIALS AND METHODS: The action mechanisms of caffeic acid (CA) and epicatechin 3-gallate (ECG) on P...
July 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28804585/detection-of-ctx-m-15-among-uropathogenic-escherichia-coli-isolated-from-five-major-hospitals-in-tripoli-libya
#3
Abdulaziz Zorgani, Asma Almagatef, Najib Sufya, Abdulla Bashein, Abdullatif Tubbal
OBJECTIVES: Multidrug resistance (MDR) and emergence of extended-spectrum β-lactamases (ESBLs) among uropathogenic Escherichia coli have been reported worldwide, but there was no information on the detection of blaCTX-M-15 in major teaching hospitals in Libya. The aim of the study was to investigate the occurrence of CTX-M-15 β-lactamases producers isolated from five teaching hospitals in Tripoli, Libya. METHODS: A total of 346 urine samples were collected from hospitalized patients in five teaching hospitals with a diagnosis of urinary tract infection (UTI)...
July 2017: Oman Medical Journal
https://www.readbyqxmd.com/read/28800526/identification-and-determination-of-related-substances-of-ceftaroline-fosamil-in-medicinal-product-by-high-performance-liquid-chromatography-with-diode-array-detection-and-tandem-mass-spectrometry
#4
Izabela Karpiuk, Katarzyna Michalska, Katarzyna Bus, Monika Kiljan, Stefan Tyski
Ceftaroline fosamil, the prodrug of ceftaroline, is an advanced-generation cephalosporin antibacterial agent approved for treatment in the European Union in 2012. The drug is dedicated to curing complicated skin and soft tissue infections and community-acquired pneumonia. The developed analytical method of high performance liquid chromatography (HPLC) followed by diode array detector (DAD) set at 243nm was used to identify and determine degradation products of ceftaroline fosamil. The elaborated method demonstrated good selectivity and linearity [r>0...
August 1, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28794180/determination-of-disk-diffusion-and-mic-quality-control-guidelines-for-high-dose-cefepime-tazobactam-wck-4282-a-novel-antibacterial-combination-consisting-of-a-%C3%AE-lactamase-inhibitor-and-a-fourth-generation-cephalosporin
#5
Stefan Riedel, Michael D Huband, Helio S Sader, Robert K Flamm, Ronald N Jones
High-dose cefepime-tazobactam (1:1; WCK 4282), a novel antibacterial combination consisting of the β-lactamase inhibitor tazobactam and a fourth-generation cephalosporin, is under clinical development for the therapy of serious gram-negative infections. A quality control (QC) study was performed to establish disk diffusion and MIC ranges for cefepime-tazobactam for multiple QC reference strains. The cefepime-tazobactam QC ranges for MIC (tazobactam at fixed 8 μg/mL) and disk diffusion (30/20-μg disk) test methods were approved by the CLSI Subcommittee on Antimicrobial Susceptibility Testing in January 2015 and January 2016...
August 9, 2017: Journal of Clinical Microbiology
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
#6
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/28775112/acute-interstitial-nephritis-and-dress-syndrome-without-eosinophilia-associated-with-cefepime
#7
Irfan Qadri, Xu Zeng, Ruifeng Guo, Abhilash Koratala
No abstract text is available yet for this article.
August 3, 2017: BMJ Case Reports
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/28771141/risk-factors-and-molecular-mechanisms-associated-with-trimethoprim-sulfamethoxazole-resistance-in-stenotrophomonas-maltophilia-in-mexico
#9
Sandra Abril Herrera-Heredia, César Pezina-Cantú, Elvira Garza-González, Paola Bocanegra-Ibarias, Soraya Mendoza-Olazarán, Rayo Morfín-Otero, Adrián Camacho-Ortiz, Licet Villarreal-Treviño, Eduardo Rodríguez-Noriega, Laura Paláu-Davila, Héctor Jesús Maldonado-Garza, Samantha Flores-Treviño
PURPOSE: Stenotrophomonas maltophilia is a multidrug-resistant opportunistic pathogen causing an increasing number of nosocomial infections. Our aim was to evaluate the risk factors and mechanisms associated with trimethoprim-sulfamethoxazole (SXT) resistance in S. maltophilia infections in Mexico. METHODOLOGY: Clinical isolates and patients' demographic and clinical data were collected from February 2007 to August 2015 in two tertiary-care hospitals in Mexico. Antimicrobial susceptibility and analysis of sul and SmeABC and SmeDEF efflux pump overexpression were performed in all isolates...
August 4, 2017: Journal of Medical Microbiology
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/28761897/the-dose-dependent-efficacy-of-cefepime-in-the-empiric-management-of-febrile-neutropenia-a-systematic-review-and-meta-analysis
#12
Nikolaos Andreatos, Myrto Eleni Flokas, Anna Apostolopoulou, Michail Alevizakos, Eleftherios Mylonakis
BACKGROUND: Despite reports questioning its efficacy, cefepime remains a first-line option in febrile neutropenia. We aimed to re-evaluate the role of cefepime in this setting. METHODS: We searched the PubMed and EMBASE databases to identify randomized comparisons of (1) cefepime vs alternative monotherapy or (2) cefepime plus aminoglycoside vs alternative monotherapy plus aminoglycoside, published until November 28, 2016. RESULTS: Thirty-two trials, reporting on 5724 patients, were included...
2017: Open Forum Infectious Diseases
https://www.readbyqxmd.com/read/28760891/influence-of-beta-lactam-infusion-strategy-on-acute-kidney-injury
#13
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
#14
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/28755095/neurological-adverse-effects-attributable-to-%C3%AE-lactam-antibiotics-a-literature-review
#15
REVIEW
Samuel Deshayes, Antoine Coquerel, Renaud Verdon
β-lactam antibiotics are commonly prescribed antibiotic drugs. To describe the clinical characteristics, risk markers and outcomes of β-lactam antibiotic-induced neurological adverse effects, we performed a general literature review to provide updated clinical data about the most used β-lactam antibiotics. For selected drugs in each class available in France (ticarcillin, piperacillin, temocillin, ceftazidime, cefepime, cefpirome, ceftaroline, ceftobiprole, ceftolozane, ertapenem and aztreonam), a systematic literature review was performed up to April 2016 via an electronic search on PubMed...
July 28, 2017: Drug Safety: An International Journal of Medical Toxicology and Drug Experience
https://www.readbyqxmd.com/read/28753737/uplc-ms-ms-method-for-therapeutic-drug-monitoring-of-ten-antibiotics-used-in-intensive-care-units
#16
Nahed El-Najjar, Julian Hösl, Thomas Holzmann, Jonathan Jantsch, André Gessner
Large variation in the levels of different ß-lactams and other antibiotics used in critically ill patients has been documented. The aim of this study is to establish and validate a fast ultra-performance liquid chromatography tandem mass spectrometry (UPLC-MS/MS) method for the simultaneous analysis of ten antibiotics (Meropenem, Cefepime, Ceftazidime, Piperacillin, Benzylpenicillin, Ampicillin, Flucloxacillin, Linezolid, and Sulfamethoxazole/Trimethoprim) in human plasma according to European Medicines Agency (EMA) guidelines...
July 28, 2017: Drug Testing and Analysis
https://www.readbyqxmd.com/read/28748397/activity-of-the-novel-siderophore-cephalosporin-cefiderocol-against-multidrug-resistant-gram-negative-pathogens
#17
J Dobias, V Dénervaud-Tendon, L Poirel, P Nordmann
The novel siderophore cephalosporin cefiderocol (S-649266) with potent activity against Gram-negative pathogens was recently developed (Shionogi & Co., Ltd.). Here, we evaluated the activity of this new molecule and comparators against a collection of previously characterized Gram-negative isolates using broth microdilution panels. A total of 753 clinical multidrug-resistant Gram-negative isolates collected from hospitals worldwide were tested against cefiderocol and antibiotic comparators (ceftolozane-tazobactam [CT], meropenem [MEM], ceftazidime [CAZ], ceftazidime-avibactam [CZA], colistin [CST], aztreonam [ATM], amikacin [AMK], ciprofloxacin [CIP], cefepime [FEP], and tigecycline [TGC]) for their susceptibility...
July 26, 2017: European Journal of Clinical Microbiology & Infectious Diseases
https://www.readbyqxmd.com/read/28738848/influence-of-borderline-cefepime-mic-on-the-outcome-of-cefepime-susceptible-pseudomonas-aeruginosa-bacteremia-treated-with-a-maximal-cefepime-dose-a-hospital-based-retrospective-study
#18
Ting-Yi Su, Jung-Jr Ye, Chien-Chang Yang, Ching-Tai Huang, Ju-Hsin Chia, Ming-Hsun Lee
BACKGROUND: We assessed the influence of current cefepime minimal inhibitory concentration (MIC) breakpoints and the maximal cefepime dose on treatment outcomes in patients with bacteremia caused by cefepime-susceptible Pseudomonas aeruginosa. METHODS: Adult patients hospitalized between July 2010 and June 2014 with a positive blood culture for cefepime-susceptible P. aeruginosa and receipt of cefepime as the primary therapy throughout the course were reviewed. Cefepime Etest(®) MICs and clinical outcomes for P...
July 24, 2017: Annals of Clinical Microbiology and Antimicrobials
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
#19
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
https://www.readbyqxmd.com/read/28724596/severe-destructive-nasopharyngeal-granulomatosis-with-polyangiitis-with-superimposed-skull-base-pseudomonas-aeruginosa-osteomyelitis
#20
Mitchell S von Itzstein, Jithma P Abeykoon, Daniel D Summerfield, Jennifer A Whitaker
Skull base osteomyelitis in the setting of granulomatosis with polyangiitis (GPA) is rare and entails significant diagnostic challenges. We present a case of a 65-year-old Caucasian man with a history of rheumatoid arthritis, off immunosuppression for 18 months, who presented with 2 years of chronic headaches, severe fatigue, saddle nose deformity and 20-kilogram unintentional weight loss. Maxillofacial CT revealed an extensive destructive sinonasal and erosive skull base process. Laboratory evaluation showed equivocal elevation of antiproteinase 3 antibodies with negative antineutrophil cytoplasmic antibody panel...
July 19, 2017: BMJ Case Reports
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