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Published on: July 9, 2012
Antimicrobial susceptibility of anaerobic clinical isolates: A two-year surveillance
Mariateresa Casarotto1, Mariafrancesca Tartaglia2, Davide Gibellini2
1Centro di Riferimento Oncologico di Aviano (CRO) IRCCS, Immunopathology and Cancer Biomarkers Unit - Aviano, Italy.
Abstract:
A total of 866 anaerobic strains isolated from clinical samples were tested by E-TEST for antimicrobial susceptibility. The most frequent antimicrobial resistance among the isolated genera, both Gram-positive and Gram-negative, was observed for clindamycin, and therefore, it cannot be considered as an empirical treatment. The antimicrobial resistance to benzylpenicillin was predominant among the Gram-negative bacteria, in particular the Bacteroides spp. The resistance percentages to meropenem and metronidazole are still low. However, metronidazole showed a considerable resistance in Finegoldia magna isolates, alone or in combination with other antibiotics. These data provide novel and useful epidemiological information on infections promoted by anaerobic bacteria.
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