Abstract

The proportion of non- albicans candidaemia has increased during recent decades, especially Candida glabrata. We evaluated the antifungal susceptibility, clinical features and outcome of C. glabrata fungaemia treated in a tertiary centre in Taiwan. All episodes of C. glabrata fungaemia during 1999–2005 were identified from microbiology laboratory records and all C. glabrata isolates were subjected to antifungal susceptibility testing by the broth microdilution method. A total of 177 episodes of C. glabrata fungaemia were documented, accounting for 30% of the 598 episodes of candidaemia. A dramatic decline of C. glabrata causing candidaemia from 2003 (46.8%) to 2005 (15.8%) was noted, accompanied by decreased fluconazole consumption. The most common underlying diseases in these patients were cancer (49%), diabetes (34%) and renal failure (25%). The most common risk factors were central venous catheter use (88%), antimicrobial treatment (87%) and parenteral nutrition (51%). The 30-day all-cause mortality was 48.6%, but only 31% of patients were eventually discharged from the hospital. There was no significant survival difference between patients with C. glabrata and Candida albicans fungaemia. Rates of antifungal susceptibility were 63% for fluconazole, 93% for voriconazole, 96% for caspofungin, 98% for amphotericin B and 99% for flucytosine. The different levels of susceptibility to fluconazole (susceptible, susceptible-dose dependent and resistant) were not significantly associated with 30-day mortality.

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