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Volume 7, Number 2—April 2001
4th Decennial International Conference on Nosocomial and Healthcare-Associated Infections

State of the Art

Engineering out the Risk of Infection with Urinary Catheters

Dennis G. Maki*Comments to Author  and Paul A. Tambyah†
Author affiliations: *University of Wisconsin Medical School, Madison, Wisconsin, USA; †National University of Singapore Medical School, Singapore

Main Article

Table 2

Mechanisms of catheter-associated urinary tract infection, based on a prospective study of 1,497 newly catheterized patients who had 235 new-onset infections (16)

Organisms causing CAUTIa
Mechanism of CAUTI
cocci (n=44)
Yeasts (n=34)
bacilli (n=37)
Overall (n=115)
Extraluminal 79% 69% 54% 66%
Intraluminal 21% 31% 46% 34%

aPercentages refer to organisms in which the mechanism of infection could be determined. For comparison of gram-positive cocci and yeasts vs. gram-negative bacilli, p = 0.007.
CAUTI = catheter-associated urinary tract infection.

Main Article