Factors associated with the outcomes of ANCA-associated glomerulonephritis: a retrospective cohort study
- Authors: Bulanov N.M.1, Tao E.A.1, Stoliarevich E.S.2,3, Bulanova M.L.4, Litvinova M.A.1, Skvortsov A.V.1, Kokhanchuk V.A.1, Novikov P.I.1, Kuchieva A.M.1, Kadorkina T.S.1, Vasilyeva M.P.1, Moiseev S.V.1
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Affiliations:
- Sechenov First Moscow State Medical University (Sechenov University)
- Moscow City Hospital №52
- Russian University of Medicine
- Vladimir Regional Clinical Hospital
- Issue: Vol 97, No 6 (2025): Issues of nephrology
- Pages: 494-502
- Section: Original articles
- URL: https://journal-vniispk.ru/0040-3660/article/view/313991
- DOI: https://doi.org/10.26442/00403660.2025.06.203252
- ID: 313991
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Abstract
Background. Kidney involvement is one of the prognostically significant manifestations of ANCA-associated vasculitis (AAV). The aim of the study was to evaluate factors associated with kidney survival in patients with biopsy proven ANCA-associated glomerulonephritis (ANCA-GN).
Materials and methods. Patients with AAV and biopsy proven pauci-immune extracapillary glomerulonephritis who underwent in-hospital and/or outpatient management between 2014 and 2024. AAV was diagnosed in accordance with the ACR classification criteria (2022) and the Chapel Hill Consensus Conference definitions (2012). The primary end-point was time from kidney biopsy to chronic kidney disease according to the KDIGO 2024 definition. Estimated GFR was calculated using CKD-EPI 2021 equation using serum creatinine concentration. Cox proportional hazards model and binary logistic regression were used to identify factors associated with outcomes.
Results. A total of 91 patients were included in the study, including 56 (62%) women. The median age of AAV onset was 50 (35; 58) years and the median duration of follow-up was 40 (14; 66) months. CKD G5 developed in 21 (23%) patients, 19 of them required kidney replacement therapy. Meanwhile, a total of 70 (77%) patients fell into high and very high risk groups according to the KDIGO CKD classification. Factors associated with adverse kidney outcome that confirmed their statistical significance in multivariate models were ARRS high-risk group and AKRiS very high-risk group, dialysis dependance at the time of biopsy, and initial oral glucocorticoid dose <30 mg/day. Female sex was associated with a lower risk of adverse kidney outcome.
Conclusion. The outcomes of ANCA-GN remain unfavourable. Occurrence of CKD G5 is associated with ARRS and AKRiS risk groups, dialysis dependance at the time of biopsy, and low glucocorticoid dose.
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##article.viewOnOriginalSite##About the authors
Nikolay M. Bulanov
Sechenov First Moscow State Medical University (Sechenov University)
Author for correspondence.
Email: nmbulanov@gmail.com
ORCID iD: 0000-0002-3989-2590
канд. мед. наук, доц. каф. внутренних, профессиональных болезней и ревматологии Института клинической медицины им. Н.В. Склифосовского
Russian Federation, MoscowEkaterina A. Tao
Sechenov First Moscow State Medical University (Sechenov University)
Email: nmbulanov@gmail.com
ORCID iD: 0000-0002-0621-7054
канд. мед. наук, науч. ред. Издательского центра
Russian Federation, MoscowEkaterina S. Stoliarevich
Moscow City Hospital №52; Russian University of Medicine
Email: nmbulanov@gmail.com
ORCID iD: 0000-0002-0402-8348
д-р мед. наук, патологоанатом ГБУЗ «ГКБ №52», проф. каф. нефрологии ФГБОУ ВО «Российский университет медицины», врач-нефролог высшей квалификационной категории
Russian Federation, Moscow; MoscowMayra L. Bulanova
Vladimir Regional Clinical Hospital
Email: nmbulanov@gmail.com
д-р мед. наук, врач-нефролог нефрологического отд-ния
Russian Federation, VladimirMariia A. Litvinova
Sechenov First Moscow State Medical University (Sechenov University)
Email: nmbulanov@gmail.com
ORCID iD: 0000-0002-3136-2755
ассистент каф. внутренних, профессиональных болезней и ревматологии Института клинической медицины им. Н.В. Склифосовского
Russian Federation, MoscowAlexey V. Skvortsov
Sechenov First Moscow State Medical University (Sechenov University)
Email: nmbulanov@gmail.com
ORCID iD: 0000-0001-8743-5207
ассистент каф. внутренних, профессиональных болезней и ревматологии Института клинической медицины им. Н.В. Склифосовского
Russian Federation, MoscowValeria A. Kokhanchuk
Sechenov First Moscow State Medical University (Sechenov University)
Email: nmbulanov@gmail.com
ORCID iD: 0000-0003-1827-1100
студентка Клинического института детского здоровья им. Н.Ф. Филатова
Russian Federation, MoscowPavel I. Novikov
Sechenov First Moscow State Medical University (Sechenov University)
Email: nmbulanov@gmail.com
ORCID iD: 0000-0003-0148-5655
канд. мед. наук, зав. ревматологическим отд-нием Клиники ревматологии, нефрологии и профпатологии им. Е.М. Тареева
Russian Federation, MoscowAgunda M. Kuchieva
Sechenov First Moscow State Medical University (Sechenov University)
Email: nmbulanov@gmail.com
ORCID iD: 0000-0002-8360-7734
зав. нефрологическим отд-нием Клиники ревматологии, нефрологии и профпатологии им. Е.М. Тареева
Russian Federation, MoscowTatyana S. Kadorkina
Sechenov First Moscow State Medical University (Sechenov University)
Email: nmbulanov@gmail.com
зав. отд-нием «Искусственная почка», врач-нефролог Клиники ревматологии, нефрологии и профпатологии им. Е.М. Тареева
Russian Federation, MoscowMariia P. Vasilyeva
Sechenov First Moscow State Medical University (Sechenov University)
Email: nmbulanov@gmail.com
канд. мед. наук, зам. глав. врача по мед. части Университетской клинической больницы №3
Russian Federation, MoscowSergey V. Moiseev
Sechenov First Moscow State Medical University (Sechenov University)
Email: nmbulanov@gmail.com
ORCID iD: 0000-0002-7232-4640
чл.-кор. РАН, д-р мед. наук, проф., зав. каф. внутренних, профессиональных болезней и ревматологии Института клинической медицины им. Н.В. Склифосовского, дир. Клиники ревматологии, нефрологии и профпатологии им. Е.М. Тареева Университетской клинической больницы №3
Russian Federation, MoscowReferences
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