130.ASYMPTOMATIC BACTERIURIA CAN BE SAID IF THERE IS ____________ BACTERIA

A.MORE THAN 10^5
B.10^2
C.10^3
D.10^6

ANS:MORE THAN 10^5


DEFINITION AND DIAGNOSIS

The term asymptomatic bacteriuria refers to the presence of high quantities of a uropathogen in the urine of an asymptomatic person. Initial studies showed that colony counts ≥10(5) cfu/mL more often predicted persistently high levels of bacteriuria compared with lower colony counts

The 2005 IDSA guidelines for the diagnosis and treatment of asymptomatic bacteriuria in adults recommend the following criteria for the diagnosis of asymptomatic bacteriuria :

• For asymptomatic women, bacteriuria is defined as two consecutive clean-catch voided urine specimens with isolation of the same bacterial strain in counts ≥10(5) cfu/mL.
• For any asymptomatic patient, bacteriuria is defined as a single catheterized urine specimen with one bacterial species isolated in counts ≥10(2) cfu/mL. Although a count of ≥10(2) cfu/mL has been validated in research settings to be significant, many clinical laboratories do not routinely quantify counts in this range