• N H J Leenders, J J Oosterheert, M B Ekkelenkamp, D W De Lange, A I M Hoepelman, and E J G Peters.
• Department of Internal Medicine and Infectious Diseases, University Medical Centre, Utrecht, The Netherlands.
• Int. J. Infect. Dis. 2011 Jul 1;15(7):e453-8.

BackgroundThe impact of Candida-colonized catheter tips in patients without candidemia is unclear.MethodsA retrospective study of patients with tip cultures positive for Candida was conducted over an 8-year period, to determine the outcomes in patients with Candida cultured from an intravascular catheter tip in the absence of preceding Candida-positive blood cultures. The primary outcome measure was definite candidemia. Secondary outcomes included possible candidemia and in-hospital mortality. A possible candidemia was defined as clinical signs and symptoms of invasive candidiasis without explanation other than a candidemia, but with negative blood cultures.ResultsSixty-eight cultures from 64 patients were included in the study. Definite candidemia developed in three cases (4%) and possible candidemia developed in five cases (7%). In-hospital mortality was significantly increased in patients with definite or possible candidemia (63% vs. 22%, p=0.028). Risk factors for the development of definite or possible candidemia were catheter time in situ >8 days (odds ratio (OR) 6.0, 95% confidence interval (CI) 1.1-32.9) and abdominal surgery (OR 6.0, 95% CI 1.1-32.4).ConclusionsIntravascular catheter tip colonization in patients without preceding blood cultures with Candida is associated with candidemia in from 4% of patients (definite candidemia) up to 12% of patients (definite and possible candidemia combined). Considering the adverse prognosis associated with delayed treatment of candidemia, preemptive treatment based on catheter tip cultures might outweigh the disadvantages of costs and side effects of antifungal therapy.Copyright © 2011 International Society for Infectious Diseases. Published by Elsevier Ltd. All rights reserved.

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