[Nasal carriage of meticillin-resistant Staphylococcus aureus among health care personnel in Abidjan (Côte d'lvoire)].

Abstract : To determine the prevalence of méticillino-résistant Staphylococcus aureus (MRSA) among health care personnel in Abidjan teaching hospitals as well as their resistance profile against other antibiotics, 592 health care personnel from various surgical and medical services: the intensive care unit, gynaecology and obstetrics and third-degree burns services of the Cocody, Treichville and Yopougon Teaching Hospitals were included. The previous nasal pits of each subject included were swabbed. The isolation of S. aureus strains was run in a Chapman medium followed by Identification based on morphological and biochemical characteristics. The resistance profile of the strains to antibiotics was determined by standard Kirby-Bauer disk diffusion method and a 1 microg disc of oxacillin was used for the detection of meticillin-resistance S. aureus strains according to NCCLS (National Committee for Clinical Laboratory Standards) guidelines. 269 members of the studied personnel were carriers of S. aureus, either a rate of portage of 45.4%. Among the 269 S. aureus isolates, 38.7% were MRSA strains and the carriage rate of MRSA in the population was 17.8%. The health care personnel working in surgery was the more colonized (36.7%) follow-up of those of the medical services (31.4%) and of the the intensive care unit (12.4%). A variable proportion of strains of MRSA also expressed resistances to the other families of antibiotics: 27% to aminosids of which 13.5% of phénotype kanamycine, tobramycine, gentamycine (KTG), 58.7% to macrolids and related (MLS), 37.5% to fluoroquinolons, 14.4% to cyclines and 40% to the cotrimoxazole. This confirms their multi-resistant character. The prevalence of MRSA carriage among health care personnel is high; this personnel constitutes an infectious risk for the hospitalized patients who are so exposed to nosocomial infections caused by MRSA.
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Submitted on : Friday, October 5, 2012 - 11:11:41 AM
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  • HAL Id : pasteur-00738812, version 1
  • PUBMED : 15782482

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S. K. Koffi, H. Faye-Kette, A. Kacou-N'Douba, A. Kouassi-M'Bengue, M. Dosso. [Nasal carriage of meticillin-resistant Staphylococcus aureus among health care personnel in Abidjan (Côte d'lvoire)].. Dakar médical, 2004, 49 (1), pp.70-4. ⟨pasteur-00738812⟩

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