Abstract

The aims of this study were to evaluate the epidemiology of nosocomial candidemia in a large teaching hospital in Brescia, Italy, and the in vitro antifungal susceptibility of isolates. We analyzed 196 isolates causing fungemia in patients admitted in our hospital, between January 2009 and December 2015. Strains were identified by VITEK 2 and MALDI-TOF MS. MICs were determined by Sensititre Yeast OneTM. The resistance was defined by using the revised CLSI breakpoints/epidemiological cutoff values to assign susceptibility or wild type to systemic antifungal agents. Most infections were caused by Candida albicans (60%), Candida parapsilosis (15%), Candida glabrata (12%) and Candida tropicalis (6%). The susceptibility rate for fluconazole was 96.5%. Non-Candida species isolates exhibited full susceptibilities to echinocandins according to CLSI breakpoints. Amphotericin B demonstrated excellent activity against all Candida species. Local epidemiological and antifungal susceptibility studies are necessary in order to improve empirical treatment guidelines.

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