← brief for 2026-09-11 · Slowing decline

Demographic and clinical characteristics of rapidly progressive glomerulonephritis in renal vasculitis in the Japan renal biopsy registry

Key takeaways

Doctors in Japan pulled cases from a national registry of kidney biopsies, the small tissue samples taken to diagnose kidney disease. They described who gets a fast moving kidney inflammation driven by inflamed blood vessels, and how sick those people were at diagnosis. A registry review like this shows patterns, not cause. The patient counts are in the journal article and are not in this record.

Who did this work

Hiroshi Morinaga (Okayama University) · H Sugiyama (Kawasaki Medical School) · Joichi Usui (University of Tsukuba) · Yayoi Ogawa (Sapporo Higashi Tokushukai Hospital) · Naotake Tsuboi (Fujita Health University) · Hiroshi Sato (Tohoku University) · Hitoshi Yokoyama (Kanazawa Medical University) · Akira Shimizu (Nippon Medical School) · Shoichi Maruyama (Nagoya University) · Kunihiro Yamagata (University of Tsukuba) · Jun Wada (Okayama University)

Source

Paper · OpenAlex, Kidney disease concept sweep (verified C2778653478) · 2026-09-10
https://doi.org/10.1038/s41598-026-68703-3