Use of urinary gram stain for detection of urinary tract infection in childhood

Alzaidi, Sally (2022-09-11)

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In this study, urinary culture, Gram stain, and tests within the urine analysis. In 100 children with symptoms of urinary tract infection," Leucocyte esterase, nitrate, Microscopy for bacteria and pyuria " were examined. We intended to establish the validity and benefits of the urinary Gram stain compared with a combination of Gram stain and overall urine analysis " positiveness of nitrate, leukocyte esterase, microscopy for bacteria or microscopy for white blood cells". Of 100 children (age: 2 days-15 years), 70% had a positive urinary culture : 43% boys and 57% girls. The most common isolated agent was E.coli (Escherichia coli). The sensitivity and specificity of the urinary Gram stain were 80% and 83%, and for both pyuria plus Gram stain 42% and 90%, and that of the overall urine analysis was 3.5% respectively. Our findings showed there is no route of urine screen that can replace a urine culture in symptomatic patients.

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