Infectious Diseases II
Definition
CDC definition: See Figure 1.
IDSA definition
Asymptomatic bacteriuria: Refers to bacteria growing in the urine (greater than 105 CFU/mL)
without signs and symptoms associated with UTIs
ii.
Catheter-associated symptomatic bacteriuria: In patients with indwelling urethral, indwelling
suprapubic, or intermittent catheterization (or condom catheter in a man), defined by the
presence of 105 CFU/mL or greater of 1 or more bacterial species in a single catheter urine
specimen in a patient without symptoms compatible with a UTI
Has the urinary catheter been removed?
Not a CAUTI
Not a CAUTI
CAUTI
Not a
CAUTI
Yes
Yes
Yes
No
No
No
Yes
Yes
No
No
No
Was catheter removed on day of
event or the day before
At least 1 of the following signs and symptoms
β’β Fever (temp > 38Β°C)
β’β Urgencya
β’β Frequencya
β’β Dysuriaa
β’β Suprapubic tenderness
β’β Costovertebral angle pain or tendernessa
Not a CAUTI
At least 1 of the following signs and symptoms
| β’ | Fever (temp > 38Β°C) |
|---|---|
| β’ | Suprapubic tendernessa |
| β’ | Costovertebral angle pain or tendernessa |
Urinary catheter in place > 2 days and either present on calendar day of event
or removed the day before the event
| β’ | Positive urine culture > 105 |
|---|
CFU/mL with no more than
two species of organisms
Not a CAUTI
aWith no other recognized cause
CAUTI = catheter-associated urinary tract infection.