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Methicillin Resistant Staphylococcus Aureus...

Obst-GinecologieMethicillin Resistant Staphylococcus Aureus Colonisation in Newborn and Obstetrics Department

Articol din publicatia Timisoara Medical Journal nr. 3/2005
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Monica Sorina Licker[1], Luminita Baditoiu[2], Liliana Dan[1], Ancuta Tutelca[3], Cristina Elena Orb[3], Elena Hogea[1], Dorin Nicodemus[4], Roxana Moldovan[1]

1 Department of Microbiology
2 Department of Epidemiology, Victor Babes Universty of Medicine and Pharmacy, Timisoara
3 Timisoara Municipal Hospital
4 Bega Clinic of Obstretics and Gynecology, Timisoara

Objective: To observe the colonization status with Methicillin resistant Staphylococcus aureus (MRSA) and other microbes with nosocomial potential in Newborn Intensive Care Units (NICU) and Obstetrics Departments (OD). Material and methods: Identifications were performed by mini API system and susceptibility tests by disk diffusion tests (NCCLS 2001), at 37 and 350C and automatic reading on Osiris Evolution system. Then, we categorized the isolated germs according with their phenotypic resistance patterns.

Results: From 1065 samples collected from newborns, we isolated 127 S. aureus strains, from which 30 strains (23.62%) were Methicillin resistant (MRSA). From 1727 samples collected from OD we isolated 45 S. aureus strains, with 8 MRSA strains (17.77%). All MRSA have been associated with other resistance patterns. In our study the percentage of MRSA isolated strains was higher in premature (33.33%) than in term newborns (8.82%).

Conclusions: The high prevalence of MRSA in our study is similar to data reported by EARSS (European Antimicrobial Resistance Surveillance System) for Romania. This enforces a proper surveillance of medical staff and a rational policy in prescribing antibiotics in hospitals.
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