genotypic diversity of methicillin-resistant coagulase-negative staphylococci isolated from inpatients and outpatients.we investigated the prevalence of methicillin-resistant coagulase-negative staphylococci (mrcons) isolated from hospitalized patients and outpatients (op). out of 350 staphylococcal isolates collected from three hospitals, 190 were coagulase-negative staphylococci (cons). these isolates were subjected to antimicrobial susceptibility tests, detection of meca, and pulsed-field gel electrophoresis (pfge) typing. among the 190 isolated cons, staphylococcus epidermidis (47.3%) and staphylococcus haem ...201626248114
bacterial pericarditis and antimicrobial resistance at the tehran heart center, iran.when bacterial pericarditis is suspected, urgent pericardial drainage combined with intravenous antibacterial therapy is mandatory to avert devastating, life-threatening complications. there have been scanty results on antimicrobial susceptibility of common causative microorganisms of bacterial pericarditis; most studies had small sample sizes and were performed decades ago.201526230130
investigation of biofilm formation ability, antimicrobial resistance and the staphylococcal cassette chromosome mec patterns of methicillin resistant staphylococcus epidermidis with different sequence types isolated from children.this study investigated the molecular characterizations of 80 methicillin resistant staphylococcus epidermidis (mrse) collected during 2012-2013 in tehran children's medical center, iran. about 90% of mrse isolates were multi-drug resistant (mdr) and the highest resistance was observed to cotrimoxazole and they were quite sensitive to quinupristin-dalfopristin and linezolid. though vana gene was not detected, the majority of isolates showed intermediate resistance to vancomycin (mic90 16 μg/ml). ...201626821355
nosocomial gram-positive antimicrobial susceptibility pattern at a referral teaching hospital in tehran, iran.the aim of the study was to evaluate epidemiology and susceptibility patterns of nosocomial gram-positive infections in a referral teaching hospital.201222827310
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