Affiliation:
1. Infectious Disease Section, St. Luke's Episcopal Hospital, Houston, Texas 77030.
Abstract
The distribution and fluconazole susceptibilities of Candida species isolated over a 5-year period were investigated. Susceptibilities were determined by using a new microtiter procedure and the National Committee for Clinical Laboratory Standards (NCCLS) proposed standard. The new method correlated well with the NCCLS proposed standard and gave very clear end points. Results indicate that there are species-related differences in MICs as reflected in the MICs for 90% of species tested. Candida albicans is most susceptible to fluconazole, while Candida glabrata is among the least susceptible. These findings coincided with the observation of a shift in distribution of yeast species recovered from blood cultures from 1987 to 1992. C. albicans was the predominant species (87%) in the pre- or early fluconazole years but decreased to only 31% of the isolates in 1992. Thus, Candida species for which MICs of fluconazole were higher have become more prominent in recent years. Significantly, throughout this period, MICs for each species did not change appreciably.
Publisher
American Society for Microbiology
Subject
Infectious Diseases,Pharmacology (medical),Pharmacology
Cited by
194 articles.
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