Stop Antibiotic Misuse in Minnesota Minnesota Antibiotic Resistance Collaborative Web Site

Judicious Antibiotic Use in Long Term Care Facilities Program

Urinary Tract Infections Module
1: Introduction	2: Epidemiology	3: Risk Factors	4: Asymptomatic Bacteriuria
5: Asymptomatic Bacteriuria: Treatment	6: Pyuria	7: Diagnosis (part 1)	8: Diagnosis (part 2)
9: Diagnosis (part 3)	10: Treatment	11: Summary	12: Quiz

Urinary Tract Infection: Asymptomatic Bacteriuria

Definition

Asymptomatic bacteriuria is the presence of bacteria in a person's urine without any symptoms of urinary infection.

Prevalence

Group	Prevalence
Pre-menopausal Women	1.0-5.0%
Post-Menopausal Women	2.8-8.6%
Pregnancy	1.9-9.5%
Elderly females in LTCF	25-50%
Elderly males in LTCF	15-40%
Short-term catheter	9-23%
Chronic indwelling catheter	100%

References:

1. Nicolle LE, et al. Infectious Disease Society of America Guidelines for the Diagnosis and Treatment of Asymptomatic Bacteriuria in Adults. Clin Inf Dis 2005;40:643-654.