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Paediatr Child Health. 2015 Aug-Sep;20(6):e30-2.

Accuracy of a new clean-catch technique for diagnosis of urinary tract infection in infants younger than 90 days of age.

Author information

1
Pediatrics Department, Infanta Sofia University Hospital, San Sebastián de Los Reyes; ; Health Sciences Faculty, European University, San Sebastián de Los Reyes, Madrid, Spain.
2
Pediatrics Department, Infanta Sofia University Hospital, San Sebastián de Los Reyes;
3
Microbiology Department, Infanta Sofía University Hospital, San Sebastián de Los Reyes, Madrid, Spain.
4
Health Sciences Faculty, European University, San Sebastián de Los Reyes, Madrid, Spain.

Erratum in

Abstract

in English, French

OBJECTIVE:

To evaluate the accuracy of diagnosing urinary tract infections using a new, recently described, standardized clean-catch collection technique.

METHODS:

Cross-sectional study of infants <90 days old admitted due to fever without a source, with two matched samples of urine obtained using two different methods: clean-catch standardized stimulation technique and bladder catheterization.

RESULTS:

Sixty paired urine cultures were obtained. The median age was 44-days-old. Seventeen percent were male infants. Clean-catch technique sensitivity was 97% (95% CI 82% to 100%) and specificity was 89% (95% CI 65% to 98%). The contamination rate of clean-catch samples was lower (5%) than the contamination rate of catheter specimens (8%).

CONCLUSIONS:

The sensitivity and specificity of urine cultures obtained using the clean-catch method through the new technique were accurate and the contamination rate was low. These results suggest that this technique is a valuable, alternative method for urinary tract infection diagnosis.

KEYWORDS:

Bladder stimulation; Catheterization; Clean-catch; Urinary tract infections; Urine sample

PMID:
26435675
PMCID:
PMC4578477

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