Candida bloodstream infections in hemodialysis recipients.
Candidemia is a major cause of morbidity and mortality in patients undergoing hemodialysis but it has not been well defined in this patient population. We performed a retrospective case-control study to characterize the epidemiology, microbiology, and outcomes of hemodialysis-associated candidemia. All cases of candidemia at our institution were evaluated from 1 January 2000 until 1 September 2004. For each case, two non-candidemic dialysis patients served as controls. Among 350 cases of candidemia, 78 (22%) occurred in adult hemodialysis patients. Cases and controls were similar with respect to age, corticosteroid, antibiotics use, prevalence of diabetes mellitus, liver cirrhosis, surgical procedures, and cancer. Multivariate analysis found total parenteral nutrition (TPN) (19.5% vs. 1.3%; P<0.0001) and dialysis through a vascular catheter (74% vs. 46.8%; P=0.0001) to be independently associated with candidemia. Non-C.albicans Candida spp. particularly C. glabrata and C. krusei were more common in hemodialysis recipients than in candidemic patients not receiving hemodialysis (31% vs. 17% p = 0.009). In-hospital mortality was significantly elevated for candidemic vs. non-candidemic hemodialysis recipients (51.9% vs. 7.8%; P<0.0001). Candidemia in hemodialysis recipients is frequently caused by non-C. albicansCandida species, is associated with TPN and dialysis via a vascular catheter (vs. shunt or fistula) and carries a high mortality rate.
Pyrgos
Vasilios
V
Section of Infectious Diseases, Washington Hospital Center, Washington, DC 20010, USA. vasilpyrgos@yahoo.com
Ratanavanich
Kathryn
K
Donegan
Nancy
N
Veis
Judith
J
Walsh
Thomas J
TJ
Shoham
Shmuel
S
D000328:Adult; D000704:Analysis of Variance; D002177:Candidiasis / Q000097:blood / Q000453:epidemiology / Q000209:etiology* / Q000382:microbiology; D016022:Case-Control Studies; D002648:Child; D004219:District of Columbia / Q000453:epidemiology; D016469:Fungemia / Q000453:epidemiology / Q000209:etiology* / Q000382:microbiology; D006801:Humans; D016015:Logistic Models; D006435:Renal Dialysis / Q000009:adverse effects*; D012189:Retrospective Studies; D012307:Risk Factors
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