title: Japan Renal Biopsy Registry and Japan Kidney Disease Registry: Committee Report for 2009 and 2010.
abstract: The Japan Renal Biopsy Registry (J-RBR) was started in 2007 and the Japan Kidney Disease Registry (J-KDR) was then started in 2009 by the Committee for Standardization of Renal Pathological Diagnosis and the Committee for the Kidney Disease Registry of the Japanese Society of Nephrology. The purpose of this report is to describe and summarize the registered data from 2009 and 2010. For the J-KDR, data were collected from 4,016 cases, including 3,336 (83.1 %) by the J-RBR and 680 (16.9 %) other cases from 59 centers in 2009, and from 4,681 cases including 4,106 J-RBR cases (87.7 %) and 575 other cases (12.3 %) from 94 centers in 2010, including the affiliate hospitals. In the J-RBR, 3,165 native kidneys (94.9 %) and 171 renal grafts (5.1 %) and 3,869 native kidneys (94.2 %) and 237 renal grafts (5.8 %) were registered in 2009 and 2010, respectively. Patients younger than 20 years of age comprised 12.1 % of the registered cases, and those 65 years and over comprised 24.5 % of the cases with native kidneys in 2009 and 2010. The most common clinical diagnosis was chronic nephritic syndrome (55.4 % and 50.0 % in 2009 and 2010, respectively), followed by nephrotic syndrome (22.4 % and 27.0 %); the most frequent pathological diagnosis as classified by the pathogenesis was IgA nephropathy (31.6 % and 30.4 %), followed by primary glomerular diseases (except IgA nephropathy) (27.2 % and 28.1 %). Among the primary glomerular diseases (except IgA nephropathy) in the patients with nephrotic syndrome, membranous nephropathy was the most common histopathology in 2009 (40.3 %) and minor glomerular abnormalities (50.0 %) were the most common in 2010 in native kidneys in the J-RBR. Five new secondary and longitudinal research studies by the J-KDR were started in 2009 and one was started in 2010.
authors: Department of Medicine and Clinical Science, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan.
authors: Hitoshi
authors: H
authors: Sugiyama
authors: Hitoshi
authors: H
authors: Yokoyama
authors: Hiroshi
authors: H
authors: Sato
authors: Takao
authors: T
authors: Saito
authors: Yukimasa
authors: Y
authors: Kohda
authors: Shinichi
authors: S
authors: Nishi
authors: Kazuhiko
authors: K
authors: Tsuruya
authors: Hideyasu
authors: H
authors: Kiyomoto
authors: Hiroyuki
authors: H
authors: Iida
authors: Tamaki
authors: T
authors: Sasaki
authors: Makoto
authors: M
authors: Higuchi
authors: Motoshi
authors: M
authors: Hattori
authors: Kazumasa
authors: K
authors: Oka
authors: Shoji
authors: S
authors: Kagami
authors: Tetsuya
authors: T
authors: Kawamura
authors: Tetsuro
authors: T
authors: Takeda
authors: Hiroshi
authors: H
authors: Hataya
authors: Yuichiro
authors: Y
authors: Fukasawa
authors: Atsushi
authors: A
authors: Fukatsu
authors: Kunio
authors: K
authors: Morozumi
authors: Norishige
authors: N
authors: Yoshikawa
authors: Akira
authors: A
authors: Shimizu
authors: Hiroshi
authors: H
authors: Kitamura
authors: Yukio
authors: Y
authors: Yuzawa
authors: Seiichi
authors: S
authors: Matsuo
authors: Yutaka
authors: Y
authors: Kiyohara
authors: Kensuke
authors: K
authors: Joh
authors: Michio
authors: M
authors: Nagata
authors: Takashi
authors: T
authors: Taguchi
authors: Hirofumi
authors: H
authors: Makino
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D000369:Aged, 80 and over; D001706:Biopsy / Q000592:standards; D005260:Female; D005922:Glomerulonephritis, IGA / Q000473:pathology; D006801:Humans; D007564:Japan / Q000453:epidemiology; D007668:Kidney / Q000473:pathology*; D007674:Kidney Diseases / Q000175:diagnosis / Q000453:epidemiology / Q000473:pathology*; D008137:Longitudinal Studies; D008297:Male; D008875:Middle Aged; D010361:Patients; D012015:Reference Standards; D012042:Registries / Q000592:standards*; D012737:Sex Factors; D055815:Young Adult
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