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Publications (2)0.81 Total impact

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    ABSTRACT: SUMMARY Following the recognition of a mecC MRSA isolate from a patient hospitalized in the northeastern region of Slovenia, a national collection of 395 community-associated methicillin-resistant Staphylococcus aureus (CA-MRSA) isolates from 2006 to 2013 was screened. An additional six mecC MRSA strains were found and characterized as spa types t843, t9397 and t10009, and multilocus sequence type ST130. The low oxacillin minimum inhibitory concentrations and absence of the mecA gene make recognition of these MRSA strains problematical for diagnostic laboratories. In such strains the presence of mecC should be determined.
    Epidemiology and infection. 07/2014;
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    ABSTRACT: Community-acquired methicillin-resistant Staphylococcus aureus (CA-MRSA) differs from healthcare-associated MRSA (HA-MRSA) in its molecular and microbiological characteristics. Six Slovenian regional public health institutes and the National Institute of Public Health took part in monitoring CA-MRSA infections. S. aureus isolates resistant to oxacillin and susceptible to > or = two of the four antibiotics ciprofloxacin, erythromycin, clindamycin or gentamicin were defined as CA-MRSA and further analyzed. The presence of the gene for Panton-Valentine leukocidin (PVL) was confirmed using PCR, the type of staphylococcal cassette chromosome (SCCmec) using multiplex PCR, and macrorestriction analysis of chromosomal DNA using pulsed-field gel electrophoresis (PFGE). A total of 31 strains from 31 patients were analyzed during a period of 21 months: 23 specimens were sent from hospitals, six from primary care, two from a long-term care facility. All 31 isolates contained the gene mecA. Sixteen (51.6%) isolates were identified as SCCmec type IV, three isolates were PVL positive. Using PFGE, the CA-MRSA strains were classified into 15 similarity groups. Results of antibiotic susceptibility showed there were five resistance types among the 31 strains. Simultaneous resistance against ciprofloxacin and gentamicin was often associated with the presence of SCCmec type I, strongly resembling HA-MRSA. PVL-positive strains of CA-MRSA have been isolated in Slovenia only rarely. We will continue to monitor strains of MRSA in order to obtain the complete microbiological and epidemiological features.
    Wiener klinische Wochenschrift 09/2009; 121(17-18):552-7. · 0.81 Impact Factor