-
"For
the microbiologic diagnosis of urinary tract
infection, by definition, there must be
>100,000 organisms/cc. This definition is used
because of the common contamination of a
"clean-catch" urine specimen,
especially in females.
-
It is growing colonies of at least
3
different types
(arrows-
Gram negative rods (GNR), diptheroids (Dips), and
staph coagulase negative (SCN).
-
Certain patients may have asymptomatic
bacteruria, with less than 100,000 organisms/cc.
-
Pregnant women
are an example of such a patient
population. Any number of organisms may
be significant.
-
In such a case,
it may be worth considering straight
catheterization, to obtain an optimal
specimen.
-
However, you must
consider the risk that you may introduce
organisms by doing a
catheterization."
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Ó
1999 KUMC Pathology and the University of Kansas,
used with permission; courtesy of Dr. James
Fishback, Department of Pathology, University of
Kansas Medical Center.
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