Nitta Kosaku
   Department   Other, Other
   Position  
Article types Original article
Language English
Peer review Non peer reviewed
Title Biopsy-proven CKD etiology and outcomes: the Chronic Kidney Disease Japan Cohort (CKD-JAC) study.
Journal Formal name:Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association
Abbreviation:Nephrol Dial Transplant
ISSN code:14602385/09310509
Volume, Issue, Page 38(2),pp.384-395
Author and coauthor Hamano Takayuki, Imaizumi Takahiro, Hasegawa Takeshi, Fujii Naohiko, Komaba Hirotaka, Ando Masahiko, Nangaku Masaomi, Nitta Kosaku, Hirakata Hideki, Isaka Yoshitaka, Wada Takashi, Maruyama Shoichi, Fukagawa Masafumi
Publication date 2023/02/13
Summary BACKGROUND:The Kidney Disease: Improving Global Outcomes guidelines advocate the cause-glomerular filtration rate (GFR)-albuminuria (CGA) classification for predicting outcomes. However, there is a dearth of data supporting the use of the cause of chronic kidney disease. This study aimed to address how to incorporate a prior biopsy-proven diagnosis in outcome prediction.METHODS:We examined the association of biopsy-proven kidney disease diagnoses with kidney failure with replacement therapy (KFRT) and all-cause death before KFRT in patients with various biopsy-proven diagnoses (n = 778, analysis A) and patients with diabetes mellitus labeled with biopsy-proven diabetic nephropathy (DN), other biopsy-proven diseases and no biopsy (n = 1117, analysis B).RESULTS:In analysis A, adding biopsy-proven diagnoses to the GFR-albuminuria (GA) classification improved the prediction of 8-year incidence of KFRT and all-cause death significantly regarding integrated discrimination improvement and net reclassification index. Fine-Gray (FG) models with KFRT as a competing event showed significantly higher subdistribution hazard ratios (SHRs) for all-cause death in nephrosclerosis {4.12 [95% confidence interval (CI) 1.11-15.2)], focal segmental glomerulosclerosis [3.77 (95% CI 1.09-13.1)]} and membranous nephropathy (MN) [2.91 (95% CI 1.02-8.30)] than in immunoglobulin A nephropathy (IgAN), while the Cox model failed to show significant associations. Crescentic glomerulonephritis had the highest risk of all-cause death [SHR 5.90 (95% CI 2.05-17.0)]. MN had a significantly lower risk of KFRT than IgAN [SHR 0.45 (95% CI 0.24-0.84)]. In analysis B, other biopsy-proven diseases had a lower risk of KFRT than biopsy-proven DN in the FG model, with death as a competing event [SHR 0.62 (95% CI 0.39-0.97)].CONCLUSIONS:The CGA classification is of greater value in predicting outcomes than the GA classification.
DOI 10.1093/ndt/gfac134
PMID 35323977