Urinary Tract Infections. I would like to tell you something…Will you listen to me…?. Overview of UTI. 7 million office visits yearly 1 million hospitalizations About 2/3rds of patients are women 40% to 50% of women have UTI at some point during their lives
Women: Presence of at least 100,000 colony-forming units (cfu)/mL in a pure culture of voided clean-catch urine.
Men: Presence of just 1,000 cfu/mL
Females > Males
Females = Males
Infection that occurs in the urinary tract for the first time. No previous episodes of infections.
Presence of past history of urinary tract infection
Recurrence within 2 weeks of treatment and mainly due to treatment failure, the initial organism is not totally cleared.
The Same Organism
Occurs in case of:
Recurrence within several weeks after the antibiotic therapy has cleared up the initial episode.
Specific for Females
Specific for Males
Specific for Children
(Male – shaded area; Female – line)
Gram Negative Organisms
Gram Positive Organisms
Increase bladder pressure can cause lymphatic flow to be directed toward the kidney
Lower Urinary Tract Infection
Upper Urinary Tract Infection
Suggestive Microscopic Exam
Urinary Tract Infection (75%)
Gram Stain and Urine Culture
- UTI symptoms (25%).
Helpful Laboratory Tests
Failure of Treatment