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Retrospective analysis of mortality and Candida isolates of 75 patients with candidemia: a single hospital experience

Authors Hirano R, Sakamoto Y, Kudo K, Ohnishi M

Received 9 January 2015

Accepted for publication 13 April 2015

Published 8 July 2015 Volume 2015:8 Pages 199—205

DOI https://doi.org/10.2147/IDR.S80677

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 4

Editor who approved publication: Professor Suresh Antony

Ryuichi Hirano,1 Yuichi Sakamoto,2 Kumiko Kudo,1 Motoki Ohnishi3

1Department of Pharmacy, Aomori Prefectural Central Hospital, Aomori, Japan; 2Laboratory Medicine and Blood transfusion, Aomori Prefectural Central Hospital, Aomori, Japan; 3General Medicine, Aomori Prefectural Central Hospital, Aomori, Japan

Abstract: The mortality rate for candidemia is approximately 30%–60%. However, prognostic factors in patients with candidemia have not yet been elucidated in detail. The aim of the present study was to analyze prognostic factors for candidemia using the mortality rate and Candida isolates of patients with candidemia. Seventy-five patients with candidemia were analyzed between January 2007 and December 2013. The main outcome of this study was the 30-day mortality rate after the diagnosis of candidemia. The acute physiology and chronic health evaluation II score (APACHE II score) was measured in 34 patients (45.3%). Odds ratios (ORs) for death due to candidemia were analyzed using a multivariate stepwise logistic regression analysis. Twenty (26.6%) patients died within 30 days of being diagnosed with candidemia. Non-survivors had a significantly higher APACHE II score (n=7, mean; 18.9±4.5) than that of survivors (n=27, mean; 14.0±5.0). Advanced age (OR =1.1, 95% confidence interval =1.01–1.23, P=0.04) was a significant risk factor for a high mortality rate, whereas removal of a central venous catheter (OR =0.03, 95% confidence interval =0.002–0.3, P=0.01) was associated with a lower mortality rate. Seventy-six Candida spp. were isolated from blood cultures: Candida albicans 28 (36.8%), Candida parapsilosis 23 (30.2%), Candida guilliermondii 16 (21.0%), Candida glabrata four (5.2%), Candida tropicalis two (2.6%), and Candida spp. three (3.9%) that could not be identified. C. parapsilosis was the most frequently isolated species in younger patients (<65 years), whereas C. albicans was the most frequently isolated in elderly patients (≥65 years). Physicians who treat candidemia need to consider removing the central venous catheter and pay attention to the general condition of patients, particularly that of elderly patients.

Keywords: aging, Candida, candidemia, central venous catheter, Japan

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