Emerging Infectious Disease ISSN: 1080-6059

Engineering out the Risk of Infection with Urinary Catheters

Dennis G. Maki*

and Paul A. Tambyah†

Author affiliations: *University of Wisconsin Medical School, Madison, Wisconsin, USA; †National University of Singapore Medical School, Singapore

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Figure 3

Rate of progression of bacteriuria and candiduria in 25 catheterized patients once any microorganisms were detectable in urine culture. Once organisms appeared in urine, low-level bacteriuria progressed very rapidly to levels >105 organisms per milliliter in 12 of the 14 cases within 2 days. Candiduria progressed less rapidly: in 9 of 11 cases, a concentration of >105 organisms per milliter was reached within 3 days (7).

Figure 3. . Rate of progression of bacteriuria and candiduria in 25 catheterized patients once any microorganisms were detectable in urine culture. Once organisms appeared in urine, low-level bacteriuria progressed very rapidly to levels >10⁵ organisms per milliliter in 12 of the 14 cases within 2 days. Candiduria progressed less rapidly: in 9 of 11 cases, a concentration of >10⁵ organisms per milliter was reached within 3 days (7).

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