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Clinical course of vesicoureteral reflux in patients with hypospadias.

Authors
 Kwang Hyun Kim  ;  Hye Young Lee  ;  Young Jae Im  ;  Hyun Jin Jung  ;  Chang Hee Hong  ;  Sang Won Han 
Citation
 INTERNATIONAL JOURNAL OF UROLOGY, Vol.18(7) : 521-524, 2011 
Journal Title
INTERNATIONAL JOURNAL OF UROLOGY
ISSN
 0919-8172 
Issue Date
2011
MeSH
Chelating Agents ; Cicatrix/epidemiology ; Follow-Up Studies ; Humans ; Hypospadias/diagnostic imaging ; Hypospadias/epidemiology* ; Hypospadias/surgery* ; Infant ; Male ; Prevalence ; Succimer ; Treatment Outcome ; Unnecessary Procedures ; Urinary Tract Infections/epidemiology ; Urination ; Urography ; Vesico-Ureteral Reflux/diagnostic imaging ; Vesico-Ureteral Reflux/epidemiology* ; Vesico-Ureteral Reflux/surgery*
Keywords
hypospadias ; urethra ; urinary tract infection ; urination ; vesicoureteral reflux
Abstract
OBJECTIVES: The prevalence of vesicoureteral reflux (VUR) in hypospadic patients is reportedly higher than in healthy children. We investigated the prevalence and the clinical course of VUR in hypospadic patients.

METHODS: We carried out intraoperative cystography to detect VUR in 338 patients who underwent hypospadias repair. Age, severity of hypospadias and the presence of VUR were investigated. A dimercaptosuccinic acid renal scan and follow-up voiding cystourethrography (VCUG) were carried out if VUR was detected.

RESULTS: VUR was detected in 41 patients (12.1%). Of 156 patients who were younger than 1 year-of-age, 34 (21.8%) were found to have VUR. The prevalence of VUR was significantly higher in patients younger than 1year (P<0.001), but was not associated with hypospadias type (P=0.212). The reflux grades were I, II and III in 6, 52 and 1 renal units, respectively. Renal scarring was shown in one of 36 patients. Follow-up VCUG was carried out in 30 patients at a mean of 14.28±3.89months, and reflux resolved in 27 and improved from grade II to grade I in three patients.

CONCLUSIONS: Although its prevalence is higher in hypospadic children than in healthy children, it is not necessary to screen for VUR in hypospadic patients, because it is likely to be low-grade and to resolve in most cases.
Full Text
http://onlinelibrary.wiley.com/doi/10.1111/j.1442-2042.2011.02777.x/abstract
DOI
10.1111/j.1442-2042.2011.02777.x
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Urology (비뇨의학교실) > 1. Journal Papers
Yonsei Authors
Lee, Hye Young(이혜영)
Im, Young Jae(임영재)
Jung, Hyun Jin(정현진)
Han, Sang Won(한상원) ORCID logo https://orcid.org/0000-0003-0941-1300
Hong, Chang Hee(홍창희) ORCID logo https://orcid.org/0000-0002-0946-7702
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/93614
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