期刊
JOURNAL OF PEDIATRIC UROLOGY
卷 9, 期 6, 页码 856-863出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jpurol.2012.11.019
关键词
Focal renal cortical defect; Renal scar; Vesicoureteral reflux; Urinary tract infection; DMSA; Technetium-99m dimercaptosuccinic acid renography
资金
- [KL2RR024983]
Purpose: To determine prevalence and risk factors for renal scar in children referred for urologic assessment of febrile UTI and/or VUR. Methods: Pre-determined risk factors for renal scar were prospectively recorded in consecutive patients referred for UTI/VUR. Age, gender, VUR grade, and reported number of febrile and non-febrile UTIs were analyzed with logistic regression to determine risk for focal cortical defects on non-acute DMSA. Results: Of 565 consecutive children, 24 (4%) had congenital renal dysplasia and 84 (15.5%) had focal defect(s). VUR, especially grades IV-V, recurrent febrile UTI, and older age increased risk. For any age child with the same number of UTIs, VUR increased odds of renal defect 5.4-fold (OR = 5.4, 95% CI = 2.7-10.6, AUC = 0.759). Conclusions: Focal DMSA defects were present in 15.5% of 565 consecutive children referred for febrile UTI and/or VUR; 4% had presumed congenital reflux nephropathy without cortical defect. All VUR grades increased risk for these defects, as did recurrent febrile UTIs and older age. However, 43% with grades IV-V VUR and 76% with recurrent UTI had normal DMSA. Published by Elsevier Ltd on behalf of Journal of Pediatric Urology Company.
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