Objective: The authors aim to evaluate characteristics of children with fUTI and results of renal bladder ultrasonography (RBUS) and late dimercaptosuccinicacid (DMSA) scan.
Methods: This study is designed as retrospective analysis of RBUS and DMSA reports of children with fUTI. Age, gender, number of fUTI, presence of constipation and vesicouretheral reflux (VUR) were recorded.
Results: The study included 160 children with fUTI with a median age of 7 years (6 months 18 years old). The majority of children in this study were girls (86.3 %), older than 60 months (73.1 %) and had one episode of fUTI. The recurrence rates of UTI were similar in both girls and boys. The total rate of constipation was 21.9 %. The rate of renal scarring on DMSA was 16.9 %. The rates of renal scarring were similar at three age groups and both genders. The rate of renal scarring was higher in children with recurrent UTI compared to those with one episode of fUTI (26.4 % and 12.5 %, respectively; p = 0.04). The rate of constipation in children with renal scarring and normal DMSA was similar (p = 0.07). The rate of trabeculation and thick bladder wall was higher in children with renal scarring at DMSA than children with no renal scarring (p = 0.03).
Conclusion: The present study demonstrated that 16.9 % of children with fUTI had renal scarring. The rates of renal scarring were similar in both gender and age groups. Children with recurrent UTI and abnormal bladder results at RBUS had higher rates of renal scarring.
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