Journal of Clinical Microbiology, March 1999, p. 531-537, Vol. 37, No. 3
0095-1137/99/$04.00+0
Copyright © 1999, American Society for Microbiology. All rights reserved.

Departments of Internal
Medicine1 and
Pathology,
Received 17 June 1998/Returned for modification 12 August
1998/Accepted 12 December 1998
This report describes both the trends in antifungal use and the
epidemiology of nosocomial yeast infections at the University of Iowa
Hospitals and Clinics between fiscal year (FY) 1987-1988 and FY
1993-1994. Data were gathered retrospectively from patients' medical
records and from computerized databases maintained by the Pharmacy, the
Program of Hospital Epidemiology, and the Medical Records Department.
After fluconazole was introduced, use of ketoconazole decreased
dramatically but adjusted use of amphotericin B decreased only
moderately. However, the proportion of patients receiving antifungal
therapy who were treated with amphotericin B declined markedly. In FY
1993-1994, 26 patients of the gastrointestinal surgery service
received fluconazole. Among these patients, fluconazole use was
prophylactic in 16 (61%), empiric in 3 (12%), and directed to a
documented fungal infection in 7 (27%). Rates of nosocomial yeast
infection in the adult bone marrow transplant unit increased from
6.77/1,000 patient days in FY 1987-1988 to 10.18 in FY 1989-1990 and
then decreased to 0 in FY 1992-1993. Rates of yeast infections increased threefold in the medical and surgical intensive care units,
reaching rates in FY 1993-1994 of 6.95 and 5.25/1,000 patient days,
respectively. The rate of bloodstream infections increased from
0.044/1,000 patient days to 0.098, and the incidence of
catheter-related urinary tract infections increased from 0.23/1,000
patient days to 0.68. Although the proportion of infections caused by
yeast species other than Candida albicans did not increase
consistently, C. glabrata became an important nosocomial pathogen.
*
Corresponding author. Mailing address: C41 GH, The
University of Iowa Hospitals and Clinics, Iowa City, IA 52242-1081. Phone: (319) 356-0474. Fax: (319) 353-8687. E-mail:
loreen-herwaldt{at}uiowa.edu.
Present address: Unité de la Lutte contre les Infections
Nosocomiales, CHRU de Lille, Hôpital A. Calmette, 50 037 Lille Cedex, France.
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