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KMID : 1130320180610100327
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Korean Journal of Pediatrics
2018 Volume.61 No. 10 p.327 ~ p.331
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Renal involvement in children and adolescents with inflammatory bowel disease
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Jang Hea-Min
Baek Hee-Sun
Kim Jung-Eun
Kim Ju-Young
Lee Yeon-Hee
Cho Hee-Yeon
Choe Yon-Ho
Kang Ben
Choe Byung-Ho
Choi Bong-Seok
Cho Min-Hyun
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Abstract
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Purpose: The incidence of inflammatory bowel disease (IBD) is rapidly increasing, and several reports have described the renal complications of IBD. We sought to evaluate the clinical manifestations of renal complications in children with IBD in order to enable early detection and prompt treatment of the complications.
Methods: We retrospectively reviewed the medical records of 456 children and adolescents aged <20 years who had been diagnosed with IBD since 2000. We analyzed patient age, sex, medication use, IBD disease activity, and clinical manifestations of renal symptoms.
Results: Our study comprising 456 children with IBD included 299 boys (65.6%) and 157 girls (34.4%). The study included 346 children with Crohn disease and 110 children with ulcerative colitis. The incidence of kidney-related symptoms was 14.7%, which was significantly higher than that in normal children. We observed 26 children (38.8%) with isolated hematuria, 30 children (44.8%) with isolated proteinuria, and 11 children (16.4%) with hematuria and concomitant proteinuria. A renal biopsy was performed in 7 children. Histopathological examination revealed immunoglobulin A nephropathy in 5 children (71.4%). All children presented with mild disease and well-controlled disease activity of IBD.
Conclusion: Children with IBD are more likely to show kidney-related symptoms than healthy children and adolescents are. Therefore, regular screening of urine and evaluation of renal function in such children are necessary for early detection of renal complications.
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KEYWORD
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Inflammatory bowel disease, Kidney, Complication, Child, Adolescent
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