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. 2013 May 28:13:247.
doi: 10.1186/1471-2334-13-247.

Clinical characteristics and risk factors of non-Candida fungaemia

Masaki Yamamoto  1 , Shunji Takakura, Gou Hotta, Yasufumi Matsumura, Aki Matsushima, Miki Nagao, Yutaka Ito, Satoshi Ichiyama
Affiliations

Clinical characteristics and risk factors of non-Candida fungaemia

Masaki Yamamoto et al. BMC Infect Dis. .

Abstract

Background: The incidence of fungaemia has been increasing worldwide. It is important to distinguish non-Candida fungaemia from candidaemia because of their different antifungal susceptibilities. The aims of this study were to investigate the clinical characteristics of non-Candida fungaemia and identify the clinical factors that differentiate it from candidaemia.

Methods: We investigated the clinical manifestations and mortality of non-Candida fungaemia in Kyoto University Hospital from 2004 to 2009.

Results: There were 110 episodes of fungaemia during the study period. There were 11 renal replacement therapy episodes of fungaemia due to non-Candida yeasts (10.0%), including 6 episodes with Cryptococcus neoformans, 4 with Trichosporon asahii, and 1 with Kodamaea ohmeri, in addition to 99 episodes of candidaemia (90.0%). The presence of collagen disease [odds ratio (OR) 9.00; 95% confidence interval (CI) 1.58-51.4; P=0.01] or renal replacement therapy (OR 15.0; 95% CI 3.06-73.4; P<0.01) was significantly more common in non-Candida fungaemia patients than in candidaemia patients. Prior colonisation by the species may be a predictor of non-Candida fungaemia. Non-Candida fungaemia had a higher mortality than candidaemia (54.5% versus 21.2%, P=0.03).

Conclusions: Although Candida species frequently cause fungaemia, we should also be aware of non-Candida yeasts because of their high mortality, particularly among high-risk patients, such as those with collagen disease and those under renal replacement therapy. Prior colonisation by the causative organisms may be an important predictor of non-Candida fungaemia.

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