Canadian Journal of Infectious Diseases and Medical Microbiology

Canadian Journal of Infectious Diseases and Medical Microbiology / 2013 / Article

Original Article | Open Access

Volume 24 |Article ID 929717 | https://doi.org/10.1155/2013/929717

Ghada N Al-Rawahi, Diane L Roscoe, "Ten-Year Review of Candidemia in a Canadian Tertiary Care Centre: Predominance of Non-albicans Candida Species", Canadian Journal of Infectious Diseases and Medical Microbiology, vol. 24, Article ID 929717, 4 pages, 2013. https://doi.org/10.1155/2013/929717

Ten-Year Review of Candidemia in a Canadian Tertiary Care Centre: Predominance of Non-albicans Candida Species

Abstract

OBJECTIVE: To review the epidemiology and associated risk factors for candidemia at a tertiary care centre, in view of recent reports on the changing epidemiology of bloodstream infection due to Candida species.METHODS: Between January 2000 and December 2009, patients with blood culture samples positive for Candida species were identified using the microbiology laboratory information system. Patient data were collected by retrospective chart review of clinical characteristics including demographic data, underlying medical diagnoses and risk factors.RESULTS: A total of 266 candidemia episodes were included in the final analysis. Fifty-nine per cent of these episodes occurred in males and 51% were in patients >60 years of age. The most common risk factor for candidemia was previous antibiotic use (85%). The most frequent species was Candida albicans (49%), followed by Candida glabrata (30%). C albicans was the predominant species in all study years with the exception of 2002, in which C glabrata was more frequent. The likelihood of recovering a non-albicans Candida species was found to be significantly associated with previous antifungal therapy (P=0.0004), immunosuppressive therapy (P=0.002), abdominal surgery (P=0.003) and malignancy (P=0.05). Mixed candidemia was found in 10 episodes (4%); 80% grew C albicans and C glabrata. Risk factors for mixed candidemia were not significantly different from those with monomicrobial candidemia.CONCLUSION: C albicans remains the most commonly isolated species in this setting, consistent with findings from other Canadian centres. However, non-albicans Candida species were overall predominant. Mixed-species candidemia does not appear to be more prevalent in patients with identified risk factors.

Copyright © 2013 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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