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Remission of Proteinuria May Protect against Progression to Chronic Kidney Disease in Pediatric-Onset IgA Nephropathy

Authors
 Jin-Soon Suh  ;  Kyung Mi Jang  ;  Hyesun Hyun  ;  Myung Hyun Cho  ;  Joo Hoon Lee  ;  Young Seo Park  ;  Jae Hyuk Oh  ;  Ji Hong Kim  ;  Kee Hwan Yoo  ;  Woo Yeong Chung  ;  Seong Heon Kim  ;  Keehyuck Kim  ;  Dae Yeol Lee  ;  Jung Won Lee  ;  Min Hyun Cho  ;  Hyewon Park  ;  Ja Wook Koo  ;  Kyoung Hee Han  ;  Eun Mi Yang  ;  Keum Hwa Lee  ;  Jae Il Shin  ;  Heeyeon Cho  ;  Kyo Soon Kim  ;  Il-Soo Ha  ;  Yong Hoon Park  ;  Hee Gyung Kang 
Citation
 JOURNAL OF CLINICAL MEDICINE, Vol.9(7) : 2058, 2020-06 
Journal Title
 JOURNAL OF CLINICAL MEDICINE 
Issue Date
2020-06
Keywords
IgA nephropathy ; children ; long-term outcome ; remission of proteinuria
Abstract
Immunoglobulin A nephropathy (IgAN) is one of the most common primary glomerulopathies diagnosed in children and adolescents. This study aimed to evaluate the clinical features in and outcomes of pediatric IgAN over the last 30 years. Patients who were diagnosed before age of 18 at 20 centers in Korea were evaluated retrospectively. Of the 1154 patients (768 males, 386 females) with a median follow-up of 5 years, 5.6% (n = 65) progressed to stage 3-5 chronic kidney disease (CKD). The 10- and 20-year CKD-free survival rates were 91.2% and 75.6%, respectively. Outcomes did not differ when comparing those in Korea who were diagnosed prior to versus after the year 2000. On multivariate analysis, combined asymptomatic hematuria and proteinuria as presenting symptoms and decreased renal function at the time of biopsy were associated with progression to CKD, while remission of proteinuria was negatively associated with this outcome. Patients who presented with gross hematuria or nephrotic syndrome tended toward positive outcomes, especially if they ultimately achieved remission. While remission of proteinuria might imply that the disease is inherently less aggressive, it also can be achieved by management. Therefore, more aggressive management might be required for pediatric-onset IgAN.
Files in This Item:
T202004726.pdf Download
DOI
10.3390/jcm9072058
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Pediatrics (소아과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Ji Hong(김지홍) ORCID logo https://orcid.org/0000-0001-5352-5423
Shin, Jae Il(신재일) ORCID logo https://orcid.org/0000-0003-2326-1820
Lee, Keum Hwa(이금화) ORCID logo https://orcid.org/0000-0002-1511-9587
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/180413
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