Your 24-year-old female patient complains of dysuria as well as frequency and urgency of urination that develops the day after she uses her diaphragm. Urine culture reveals a bacterial count of 100 CFU/mL. These signs and symptoms indicate:
A. Upper urinary tract infection
B. Lower urinary tract infection
C. Normal bacteriuria
D. Urethritis
ANS: B
In women whose symptoms suggest uncomplicated UTI, a culture of greater than 102 CFU/mL of a specific bacterium is indicative of cystitis. However, this CFU number is controversial. Infectious disease specialists recommend use of 103 CFU / mL as diagnostic of UTI. In the past, a bacterial count of 105 CFU/mL was regarded as significant for UTI. UTI diagnosis relies on the patient's subjective report of symptoms of UTI, not only the number of bacteria. Patients with asymptomatic bacteriuria can have bacterial counts as high as 10 5 CFU/mL. Asymptomatic bacteriuria is not treated. Risk factors for the development of a UTI include increasing age, recent sexual intercourse, a history of UTI, use of a diaphragm or cervical cap, and anatomic abnormalities.
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