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https://www.readbyqxmd.com/read/29448981/treatment-and-prevention-of-invasive-pneumococcal-disease
#1
A R Domínguez-Alegría, V Pintado, I Barbolla
Invasive pneumococcal disease is a severe infection that mainly affects patients with associated comorbidity. The paediatric conjugate vaccination has resulted in a change in the adult vaccination strategy. The antibiotic resistance of pneumococcus is not currently a severe problem. Nevertheless, the World Health Organisation has included pneumococcus among the bacteria whose treatment requires the introduction of new drugs, such as ceftaroline and ceftobiprole. Although the scientific evidence is still limited, the combination of beta-lactams and macrolides is recommended as empiric therapy for bacteraemic pneumococcal pneumonia...
February 12, 2018: Revista Clínica Española
https://www.readbyqxmd.com/read/29421316/in-vitro-activity-of-novel-anti-mrsa-comparator-agents-against-staphylococci-involved-in-prosthetic-joint-infections
#2
Christophe Isnard, Anne Dhalluin, Damasie Malandain, Quentin Bruey, Michel Auzou, Jocelyn Michon, Jean-Christophe Giard, François Guérin, Vincent Cattoir
OBJECTIVES: Ceftaroline and ceftobiprole are new parenteral cephalosporins with potent activity against methicillin-resistant (MR) staphylococci, which are the leading cause of prosthetic joint infections (PJIs). The aim of the study was to determine and compare in vitro activities of both molecules against staphylococcal isolates recovered from clinically-documented PJIs. METHODS: A collection of 200 non-redundant clinical isolates (100 Staphylococcus aureus and 100 coagulase-negative staphylococci [CoNS], including 19 and 27 MR isolates, respectively) was studied...
February 5, 2018: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/29419605/ceftaroline-for-suspected-or-confirmed-invasive-methicillin-resistant-staphylococcus-aureus-a-pharmacokinetic-case-series
#3
Jeffrey J Cies, Wayne S Moore, Adela Enache, Arun Chopra
OBJECTIVES: To describe the ceftaroline pharmacokinetics in critically ill children treated for suspected or confirmed methicillin-resistant Staphylococcus aureus infections, including blood stream infection and describe the microbiological and clinical outcomes. DESIGN: Retrospective electronic medical record review. SETTINGS: Free-standing tertiary/quaternary pediatric children's hospital. PATIENTS: Critically ill children receiving ceftaroline monotherapy or combination therapy for suspected or confirmed methicillin-resistant S...
February 6, 2018: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/29413881/evolution-of-methicillin-resistant-staphylococcus-aureus-evidence-of-positive-selection-in-a-penicillin-binding-protein-pbp-2a-coding-gene-meca
#4
Xiao-Yong Zhan, Qing-Yi Zhu
Methicillin-resistant Staphylococcus aureus (S. aureus) (MRSA) represents more and more S. aureus infections. MecA, the novel coding gene of penicillin-binding protein (PBP) 2a of MRSA, is the key resistance factor of β-lactam, but little is known about the evolution of this gene. Given the crucial role of mecA in S. aureus physiology and β-lactam resistance, the selective forces may contribute to adaptation of the bacteria to the special environments such as its host or antibiotics. To understand the evolution of this gene, we screened GenBank database and analyzed mecA of 249 S...
January 27, 2018: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/29395713/antimicrobial-activity-of-ceftobiprole-and-comparator-agents-when-tested-against-contemporary-gram-positive-and-negative-organisms-collected-from-europe-2015
#5
M A Pfaller, R K Flamm, L R Duncan, J M Streit, M Castanheira, H S Sader
Susceptibility testing of ceftobiprole and comparators against 12,240 isolates was performed following CLSI/EUCAST guidelines. The percentage of susceptible MRSA isolates was higher for ceftobiprole (96.5% susceptible) than for ceftaroline (86.2% susceptible). Both ceftobiprole (MIC50/90, 0.5/2 mg/L) and ceftaroline (MIC50/90, 0.25/1 mg/L) demonstrated potent activity against coagulase-negative staphylococci. Ceftobiprole demonstrated good potency against Enterococcus faecalis (MIC50/90 values of 0.5/2 mg/L); ceftaroline (MIC50/90, 2/8 mg/L) was 4-fold less active against these strains...
January 3, 2018: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/29344094/robotic-prostatectomy-leading-to-a-delayed-mrsa-infected-lymphocele-a-case-report-and-review-of-the-literature
#6
Monica Kaminski, Rose Recco, Steven Siegel
Prostate cancer is the second leading cancer-related cause of death in the USA with the majority presenting as localized disease. In the last decade minimally invasive, robotic-assisted laparascopic, radical prostatectomy has become the most favored treatment choice. A complication that has been observed in 27% of patients is the formation of an asymptomatic lymphocele. It is a very rare complication for these to become infected, and when they do 80% have occurred 2-12 months post-procedure. In this case report the patient presented with fever and leukocytosis of unknown origin and was found to have a methicillin-resistant Staphylococcus aureus (MRSA) infected lymphocele over 2 years after a radical prostatectomy...
January 2018: Therapeutic Advances in Urology
https://www.readbyqxmd.com/read/29343421/frequency-of-small-colony-variants-and-antimicrobial-susceptibility-of-methicillin-resistant-staphylococcus-aureus-in-cystic-fibrosis-patients
#7
Nuntra Suwantarat, Mayer Rubin, Latetia Bryan, Tsigereda Tekle, Michael P Boyle, Karen C Carroll, Mark T Jennings
BACKGROUND: Small-colony variants (SCVs) are a distinct phenotype of Staphylococcus aureus, known for their role in chronic, difficult to treat infections, including cystic fibrosis (CF) lung disease. The goal of this study was to characterize SCV MRSA infection in an adult and pediatric CF population and to identify antibiotic susceptibility patterns unique to SCV MRSA. METHODS: We recovered methicillin-resistant S. aureus (MRSA) from respiratory culture samples from CF patients at the Johns Hopkins Hospital during a 6month study period...
December 2, 2017: Diagnostic Microbiology and Infectious Disease
https://www.readbyqxmd.com/read/29337085/disc-describing-infections-of-the-spine-treated-with-ceftaroline
#8
Richard R Watkins, George Yendewa, Steven D Burdette, Sophia Horattas, Nairmeen Awad Haller, Caroline Mangira, Robert A Salata, Robert A Bonomo
OBJECTIVES: Spine infections lead to considerable morbidity and high cost to the global health care system. Currently, the evidence for using ceftaroline, an advanced-generation cephalosporin active against methicillin-resistant Staphylococcus aureus (MRSA), in spine infections is limited. METHODS: Describing Infections of the Spine treated with Ceftaroline (DISC) is a multicenter retrospective cohort study that evaluated ceftaroline for treating spine infections...
January 11, 2018: Journal of Global Antimicrobial Resistance
https://www.readbyqxmd.com/read/29290374/physical-compatibility-of-meropenem-and-vaborbactam-with-select-intravenous-drugs-during-simulated-y-site-administration
#9
James M Kidd, Lindsay M Avery, Tomefa E Asempa, David P Nicolau, Joseph L Kuti
PURPOSE: Meropenem/vaborbactam is a novel intravenous antibiotic combining the carbapenem, meropenem, with a novel β-lactamase inhibitor, vaborbactam. Meropenem/vaborbactam is administered as a 3-hour infusion given every 8 hours, thereby potentially restricting an intravenous line for 9 h/d. Intravenous medications may be given concurrently via Y-site when compatibility data are available. Herein, physical compatibility was determined for the identification which medications can be coadministered with meropenem/vaborbactam via Y-site...
December 28, 2017: Clinical Therapeutics
https://www.readbyqxmd.com/read/29273611/physical-compatibility-of-fosfomycin-for-injection-with-select-i-v-drugs-during-simulated-y-site-administration
#10
Marguerite L Monogue, Safa S Almarzoky Abuhussain, Joseph L Kuti, David P Nicolau
PURPOSE: The results of a study to determine the physical compatibility of ZTI-01 (fosfomycin for injection) in 0.9% sodium chloride or 5% dextrose during simulated Y-site administration with 37 i.v. antimicrobials and 58 nonantimicrobials are reported. METHODS: Fosfomycin, an epoxide antibiotic with broad-spectrum activity against multidrug-resistant bacteria, is marketed in the United States only in an oral formulation with limited bioavailability, but an i.v...
January 1, 2018: American Journal of Health-system Pharmacy: AJHP
https://www.readbyqxmd.com/read/29237024/comparative-analysis-of-neutropenia-in-patients-receiving-prolonged-treatment-with-ceftaroline
#11
R Brigg Turner, D Erin Wilson, Henry Saedi-Kwon, Eric Chang, Regina Won, Dominic Chan, Jacqueline Schwartz
Objectives: Ceftaroline is often used in durations greater than that studied in clinical trials. Several retrospective, non-comparative studies have suggested a higher than anticipated incidence of neutropenia in patients receiving prolonged treatment with ceftaroline. We sought to determine if ceftaroline was associated with neutropenia by comparing the incidence with ceftaroline treatment with treatment with several comparative antibiotics. Methods: Patients receiving 14 or more consecutive days of treatment with ceftaroline were compared with patients receiving cefazolin, daptomycin, linezolid, nafcillin or vancomycin (control group)...
December 8, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29173791/new-antimicrobial-agents-for-the-treatment-of-staphylococcal-infections-in-children
#12
REVIEW
Roopali Sharma, Densley Francois, Margaret R Hammerschlag
Several new antimicrobial agents-daptomycin, ceftaroline, telavancin, dalbavancin, and-tedizolid have been approved for the treatment of staphylococcal infections, including methicillin-resistant Staphylococcus aureus (MRSA), in adults. Ceftaroline and daptomycin have been approved by the US Food and Drug Administration for use in children. Ceftaroline, a beta-lactam antibiotic with activity against MRSA, has been approved for treatment of community-acquired bacterial pneumonia and complicated skin and skin structure infections...
December 2017: Pediatric Clinics of North America
https://www.readbyqxmd.com/read/29158271/evaluation-of-the-in-vitro-activity-of-ceftaroline-and-comparators-against-s-pneumoniae-isolates-from-u-s-hospitals-results-from-7-years-of-the-aware-surveillance-program-2010-2016
#13
Michael A Pfaller, Rodrigo E Mendes, Leonard R Duncan, Robert K Flamm, Helio S Sader
We evaluated trends in Streptococcus pneumoniae antimicrobial susceptibility in United States hospitals in the 2010--2016 period. A total of 8,768 clinical isolates from 47 medical centers were tested for susceptibility by broth microdilution methods. Multidrug-resistant (MDR) and extensively drug-resistant (XDR) rates decreased from 25.7/12.4% (MDR/XDR) in 2010 to 17.7%/3.6% in 2016. Susceptibility to most comparator antimicrobial agents increased, whereas susceptibility to ceftaroline, levofloxacin, linezolid, and tigecycline remained stable...
November 20, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/29147471/experience-with-ceftaroline-for-treatment-of-methicillin-resistant-staphylococcus-aureus-pneumonia-in-a-community-hospital
#14
Apurwa Karki, Craig Thurm, Kelly Cervellione
Background: Methicillin-resistant Staphylococcus aureus (MRSA) is an organism causing significant mortality and morbidity with nosocomial infections. Ceftaroline is a new cephalosporin antibiotic that has activity against MRSA. In the USA, this antibiotic has not been approved for use in pneumonia caused by MRSA. Objectives: To review the use of ceftaroline in MRSA pneumonia in a US hospital and evaluate its clinical success. Methods: A retrospective study was conducted in an urban community hospital assessing the use of ceftaroline for MRSA pneumonia...
2017: Journal of Community Hospital Internal Medicine Perspectives
https://www.readbyqxmd.com/read/29114395/gordonia-sternal-wound-infection-treated-with-ceftaroline-case-report-and-literature-review
#15
Kevan Akrami, Joelle Coletta, Sanjay Mehta, Joshua Fierer
Introduction. Case reports have emerged with identification of Gordonia bronchialis infections including sternal wound infections and foreign bodies such as central lines and shunts. Case presentation. We present a case that demonstrates the need to consider Gordonia infection as a cause of sternal wound infection and highlights the utility of novel diagnostics to aid in the identification of unusual pathogens that can cause post-operative infections. We report here the first successful use of ceftaroline for treatment of a G...
September 2017: JMM Case Reports
https://www.readbyqxmd.com/read/29109849/current-concepts-and-future-strategies-in-the-antimicrobial-therapy-of-emerging-gram-positive-spontaneous-bacterial-peritonitis
#16
REVIEW
Marco Fiore, Alberto Enrico Maraolo, Ivan Gentile, Guglielmo Borgia, Sebastiano Leone, Pasquale Sansone, Maria Beatrice Passavanti, Caterina Aurilio, Maria Caterina Pace
Spontaneous bacterial peritonitis (SBP) is the most common infection in end-stage liver disease patients. SBP is defined as an ascitic fluid infection with a polymorphonuclear leucocyte count ≥ 250/mm3 without an evident intra-abdominal surgically treatable source. Several mechanisms contribute to SBP occurrence, including translocation of gut bacteria and their products, reduced intestinal motility provoking bacterial overgrowth, alteration of the gut's barrier function and local immune responses. Historically, Gram-negative enteric bacteria have been the main causative agents of SBP, thereby guiding the empirical therapeutic choice...
October 28, 2017: World Journal of Hepatology
https://www.readbyqxmd.com/read/29103924/ceftaroline-pharmacokinetics-and-pharmacodynamics-in-patients-with-cystic-fibrosis
#17
Emily E Barsky, Luis M Pereira, Keri J Sullivan, Alanna Wong, Alexander J McAdam, Gregory S Sawicki, Gregory P Priebe, Susan M Goobie
BACKGROUND: Methicillin-resistant Staphylococcus aureus (MRSA) is a prevalent pathogen in patients with cystic fibrosis (CF) associated with increased morbidity. Ceftaroline fosamil is an intravenous (IV) cephalosporin with activity against MRSA. There are minimal data regarding dosing in the CF population. The objective of this study was to determine the pharmacokinetic and pharmacodynamic profile of IV ceftaroline in patients with CF. METHODS: We conducted a single-center prospective study of children and young adults with CF receiving ceftaroline (15mg/kg IV up to 600mg every 8h) as part of treatment for a CF pulmonary exacerbation between June 2016 and April 2017...
November 2, 2017: Journal of Cystic Fibrosis: Official Journal of the European Cystic Fibrosis Society
https://www.readbyqxmd.com/read/29091195/ceftaroline-efficacy-against-high-mic-clinical-staphylococcus-aureus-isolates-in-an-in-vitro-hollow-fibre-infection-model
#18
Renu Singh, Mashal Almutairi, Richard A Alm, Sushmita D Lahiri, Maryann San Martin, April Chen, Jane E Ambler
Objectives: The current CLSI and EUCAST clinical susceptible breakpoint for 600 mg q12h dosing of ceftaroline (active metabolite of ceftaroline fosamil) for Staphylococcus aureus is ≤1 mg/L. Efficacy data for S. aureus infections with ceftaroline MIC ≥2 mg/L are limited. This study was designed to generate in-depth pharmacokinetic/pharmacodynamics (PK/PD) understanding of S. aureus isolates inhibited by ≥ 2 mg/L ceftaroline using an in vitro hollow-fibre infection model (HFIM)...
October 1, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29045693/pharmacokinetics-of-ceftaroline-in-a-preterm-infant-with-methicillin-resistant-staphylococcus-aureus-pneumonia
#19
Sara N Salerno, Janice Bernhardt, Matthew Laughon, Ravi Jhaveri, Matthew Massaro, Daniel Gonzalez
We report here the first pharmacokinetic-pharmacodynamic relationship for ceftaroline in a preterm infant born at <28 weeks' gestational age who was given ceftaroline (8.5 mg/kg every 8 hours) for pneumonia attributable to methicillin-resistant Staphyloccocus aureus. This dose of ceftaroline was adequate to achieve the pharmacodynamic endpoint associated with efficacy for methicillin-resistant Staphyloccocus aureus.
October 16, 2017: Journal of the Pediatric Infectious Diseases Society
https://www.readbyqxmd.com/read/29034091/phenotypic-and-genotypic-characterization-of-antibiotic-resistance-of-methicillin-resistant-staphylococcus-aureus-isolated-from-hospital-food
#20
Farhad Safarpoor Dehkordi, Hasan Gandomi, Afshin Akhondzadeh Basti, Ali Misaghi, Ebrahim Rahimi
BACKGROUND: Pathogenic biotypes of the Methicillin-resistant Staphylococcus aureus (MRSA) strains are considered to be one of the major cause of food-borne diseases in hospitals. The present investigation was done to study the pattern of antibiotic resistance and prevalence of antibiotic resistance genes of different biotypes of the MRSA strains isolated from various types of hospital food samples. METHODS: Four-hundred and eighty-five raw and cooked hospital food samples were cultured and MRSA strains were identified using the oxacillin and cefoxitin disk diffusion tests and mecA-based PCR amplification...
2017: Antimicrobial Resistance and Infection Control
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