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Urology. 2009 Jul;74(1):100-3. doi: 10.1016/j.urology.2009.02.012. Epub 2009 May 5.

Urologic diagnoses among infants hospitalized for urinary tract infection.

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  • 1Scott Department of Urology, Baylor College of Medicine, Houston, Texas, USA. mhhsieh@stanfordalumni.org



To determine the prevalence of urologic disease among infants hospitalized for urinary tract infections (UTIs) at our institution. The prevalence of urologic anomalies among infants (<400 days old) hospitalized for UTIs has not been previously reported.


We retrospectively examined the records of all infants hospitalized for UTI at our institution, a free-standing children's hospital in the United States, for a 10-year period. Race, sex, and subsequent urologic diagnosis (using codes from the 9(th) edition of the International Classification of Diseases [ICD-9] were tabulated. Individual charts were reviewed to confirm documentation and workup of UTI.


We identified 914 infants hospitalized at our institution from January 1996 to December 2007, with an ICD-9-coded diagnosis of UTI. Of these 914 infants, 258 were subsequently given a urologic diagnosis. However, only 130 of these patients had well-documented UTI (14.2% of 914 children). Of this cohort, 55.4% were boys. The most common diagnoses were hydronephrosis (37.7%), vesicoureteral reflux (69.2%), and obstructive uropathy (23.1%).


Our data have indicated that > or =14% of all infants hospitalized for UTI have urologic anomalies. Vesicoureteral reflux, obstructive uropathy, and hydronephrosis are common diagnoses. We therefore conclude that infants admitted with a diagnosis of UTI should undergo screening for anatomic abnormalities.

[PubMed - indexed for MEDLINE]
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