نتایج جستجو برای: methicillin
تعداد نتایج: 18835 فیلتر نتایج به سال:
This hospital-based study describes the antibiotic sensitivity of 66 S. aureus isolates from the admitted children (age 0-18 y) in a tertiary hospital of Kolkata, India. Methicillin-resistant S. aureus constituted 16.7% (n=11) of the isolates. Clindamycin-resistance was observed in 60% and 82% of methicillin-sensitive and methicillin-resistant strains, respectively.
Estimating the consequences and the cost of methicillin resistance is a difficult challenge. Patients who develop methicillin-resistant ventilator-associated pneumonia (VAP) are very different from those who develop methicillin-sensitive VAP, and biased estimates are frequent. We reviewed some important confounding factors of which the reader should be aware.
The worldwide emergence of community-acquired methicillin-resistant Staphylococcus aureus (CA-MRSA) can have severe public health implications. Familial transmissions of CA-MRSA in The Netherlands were investigated. Among the families studied, two clusters of CA-MRSA could be identified. This report demonstrates that family members can serve as reservoirs of CA-MRSA which may become a serious p...
The pH of the medium in which staphylococcal susceptibility to penicillins was determined was found to make a profound difference (128- to 8,000-fold) in the expression of "intrinsic" resistance, whereas beta-lactamase-mediated resistance was only slightly affected by pH; methicillin-resistant staphylococci that are beta-lactamase-negative are models of pure intrinsic resistance, and the common...
Ceftobiprole is a novel broad-spectrum cephalosporin that binds with high affinity to PBP 2a, the methicillin-resistance determinant of staphylococci, and is active against methicillin- and vancomycin-resistant Staphylococcus aureus. Ceftobiprole was compared to vancomycin in a rabbit model of methicillin-resistant S. aureus aortic valve endocarditis. Ceftobiprole and vancomycin were equally ef...
Letter to editor " Applying High-quality DNA Melting Curve Analysis in Identifying Staphylococcus aureus and Methicillin-resistant Strains " Ramezan Ali Ataee Professor, Department of Medical Microbiology, Faculty of Medicine, Hospital Research Development Committee, Applied Microbiology Research Center, System Biology, Poisoning Institute, Baqiyatallah University of Medical Sciences, T...
Detection of Methicillin Resistant Staphylococcus aureus (MRSA) by CHROMagar Versus Cefoxitin Disk Diffusion Method
Eighty-nine Staphylococcus aureus strains were grouped according to their susceptibility or resistance to methicillin and oxacillin. The role of beta-lactamase in borderline methicillin resistance was confirmed by tests with beta-lactamase inhibitors, particularly when salt-supplemented medium was used. A penicillin-binding protein assay indicated that borderline methicillin-resistant S. aureus...
Outbreaks of invasive methicillin-resistant Staphylococcus aureus infection within families are unusual. We investigated 2 family clusters of invasive methicillin-resistant Staphylococcus aureus infection, including 1 in which a young mother died of fulminant pneumonia. Although surveillance via culture of family contacts of patients with invasive methicillin-resistant Staphylococcus aureus inf...
Methicillin-resistant coagulase-negative staphylococci were isolated from the nares and skin of 1- to 8-week-old healthy chickens in three flocks from a farm. Isolation of methicillin-resistant coagulase-negative staphylococci was positive for 72 (25.7%) of the 280 chickens tested, with the frequency varying from 2.2 to 100% according to flock. A total of 45 appropriate isolates were selected a...
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