Abstract
A 19-years-old female patient was admitted to the outpatient clinic. She gave a history of urinary tract infection (UTI) 4 months preceding admission for which she was treated with oral ampicillin without complications. Five days prior to this admission, she began to complain nausea without vomiting. One day later, she developed left flank pain, fever, and chills, and increased micturition frequency. She was admitted to a general hospital. She noted foul-smelling urine on the day before admission. She was presented with a temperature of 38.8°C.
Highlights
A 19-years-old female patient was admitted to the outpatient clinic. She gave a history of urinary tract infection (UTI) 4 months preceding admission for which she was treated with oral ampicillin without complications
The presence of bacteriuria on urinalysis should always be interpreted with caution
Clean-catch urine, which is obtained by having the patient cleanse her external genitalia begin a flow of urine, and “catch” the flow of urine in “midstream,” is rarely sterile because the distal urethra is colonized with bacteria
Summary
A 19-years-old female patient was admitted to the outpatient clinic. She gave a history of urinary tract infection (UTI) 4 months preceding admission for which she was treated with oral ampicillin without complications. Organisms colonizing the urethra may be present in sufficient numbers to be visualized during urinalysis even when the patient is not infected [1]. 2. Why were the numbers of organisms in her urine quantitated on culture? As a result of urethral contamination, essentially all clean-catch urine samples will contain a small number of organisms, so culturing urine non-quantitatively will not allow differentiation between colonization of the urethra and infection of the bladder.
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