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Clinical course of vesicoureteral reflux in patients with hypospadias.

 Kwang Hyun Kim  ;  Hye Young Lee  ;  Young Jae Im  ;  Hyun Jin Jung  ;  Chang Hee Hong  ;  Sang Won Han 
 International Journal of Urology, Vol.18(7) : 521-524, 2011 
Journal Title
 International Journal of Urology 
Issue Date
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.
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1. Journal Papers (연구논문) > 1. College of Medicine (의과대학) > Dept. of Urology (비뇨의학교실)
Yonsei Authors
이혜영(Lee, Hye Young)
임영재(Im, Young Jae)
정현진(Jung, Hyun Jin)
한상원(Han, Sang Won)
홍창희(Hong, Chang Hee)
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