[Antibiotics susceptibility of Streptococcus and Enterococcus: Data of Onerba network.]

A. Vachée 1, * E. Varon 1 E. Jouy 1 D. Meunier 1
* Auteur correspondant
Abstract : This work was aimed to analyze trends in susceptibility to antibiotics among the main species of beta-hemolytic streptococci involved in community-acquired infections in human (Streptococcus pyogenes and Streptococcus agalactiae), or in animals (Streptococcus suis and Streptococcus uberis) and also among the main enterocci species, Enterococcus faecalis and Enterococcus faecium. Data were recorded since 1996 through the Onerba networks. S. pyogenes, as the other beta-hemolytic streptococci studied remained fully susceptible to beta-lactam antibiotics. However, susceptibility to macrolides is clearly decreasing in S. pyogenes. In 2002, only 62 to 65% of the strains according to the network considered, were susceptible to erythromycin. A similar trend was observed for S. agalactiae with only 75% of erythromycin susceptibility in 2002, and for both species isolated from animals S. suis and S. uberis, with respectively 35 and 76% of strains susceptible to erythromycin. In enterococci, susceptibility to beta-lactams remained stable between 2000 and 2004. Indeed, the susceptibility to aminopenicillins remained high in E. faecalis (about 98%), whereas the proportion of E. faecium isolates susceptible to these antibiotics were lower than 60%. From 1999 to 2004, various studies conducted in French hospitals showed that the vancomycin resistance among enterococci accounted for less than 2%. However, the recent emergence of glycopeptide resistant enterococci clusters in French hospitals is a matter of concern and emphasizes the need for an ongoing surveillance. Such trend in macrolide resistance among S. pyogenes or S. agalactiae should consequently lead to propose other alternatives in case of beta-lactam allergy, and for pharyngitis, to rethink the place of the culture for susceptibility testing.
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Soumis le : mardi 14 avril 2009 - 14:19:17
Dernière modification le : mercredi 15 avril 2009 - 09:14:45

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A. Vachée, E. Varon, E. Jouy, D. Meunier. [Antibiotics susceptibility of Streptococcus and Enterococcus: Data of Onerba network.]. Pathologie Biologie, Elsevier Masson, 2008, epub ahead of print. 〈10.1016/j.patbio.2007.12.009〉. 〈hal-00375286〉

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