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Journal of the Korean Society of Pediatric Nephrology 2001;5(1): 43-50.
방광 요관 역류가 있는 소아에서 신반흔 형성과 관련된 인자들
김경희, 장성희, 이대열
1전북대학교 의과대학 소아과학교실
2전북대학교 의과대학 소아과학교실
3전북대학교 의과대학 소아과학교실
Factors Associated with Renal Scar in Children with Vesicoureteral Reflux
Kyoung Hee Kim, Sung Hee Jang, Dae-Yeol Lee
1Department of Pediatrics, Chonbuk National University, Medical School
2Department of Pediatrics, Chonbuk National University, Medical School
3Department of Pediatrics, Chonbuk National University, Medical School
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ABSTRACT
Purpose : The urinary tract infection associated with vesicoureteral reflux(VUR) in children may result in serious complications such as renal scarring, hypertension, proteinuria and end stage renal disease. The purpose of this study was to evaluate the factors affecting renal scar such as age, gender, grade of VUR, and ACE gene polymorphism, and body growth in the patients with and those without renal scar associated with VUR
Methods : During the period from January 1994 to July 2000, We had 93 children with urinary tract infection associated with VUR who were admitted to the Department of pediatrics of Chonbuk National University Hospital. The patients were divided into two groups according to follow up 99mTc-DMSA renal scan; patients with renal scar group and those with non-scar group. We analyzed and compared the factors associated with renal scarring between the two groups.
Results : There were no significant difference in gender, causative organism, ACE gene polymorphism, height and weight at diagnosis between renal scar group and non-scar group. Fifty four patients were in renal scar group and forty seven of them had VUR. The age at diagnosis was significantly higher in renal scar group (2.48${pm}$2.64yr) than in non renal scar group (1.26${pm}$1.83yr). Especially, the infants who were less than 1 year of age with VUR developed relatively more renal scar compared with infants older than 1 tear of age. The incidence of renal scarring showed a direct correlation with the severity of VUR.
Conclusion : The factors affecting renal scar formation were age at diagnosis, presence and grade of VUR, but the other factors such as gender, causative organism, ACE gene polymorphism were not associated with renal scarring. Therefore, further evaluation about uropathogenic E coli and foflow up study about body growth associated with severity of renal scar would be necessary. (J. Korean Soc Pediatr Nephrol 5 : 43- 50, 2001)
Key words: Vesicoureteral Reflux(VUR) | Renal Scar
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