Thomas McDonnell
The Impact of Primary Renal Diagnosis on Prognosis and the Varying Predictive Power of Albuminuria in the NURTuRE-CKD Study
McDonnell, Thomas; Kalra, Philip A; Vuilleumier, Nicolas; Cockwell, Paul; Wheeler, David C; Fraser, Simon D S; Banks, Rosamonde E; Taal, Maarten W
Authors
Philip A Kalra
Nicolas Vuilleumier
Paul Cockwell
David C Wheeler
Simon D S Fraser
Rosamonde E Banks
MAARTEN TAAL M.TAAL@NOTTINGHAM.AC.UK
Professor of Medicine
Abstract
Introduction: The definition of CKD is broad, which neglects the heterogeneity of risk across primary renal diseases.
Methods: The National Unified Renal Translational Research Enterprise (NURTuRE)-CKD is an ongoing UK, prospective multicenter cohort study of 2,996 adults with an eGFR of 15-59 mL/min/1.73 m2 or eGFR ≥60 mL/min/1.73 m2 with a urine albumin-to-creatinine ratio (uACR) >30 mg/mmol. Outcomes and predictive performance of eGFR and uACR were subcategorized by ERA-EDTA primary renal diagnosis (PRD) codes.
Results: 2,638 participants were included, with baseline median eGFR of 33.5 mL/min/1.73 m2 and uACR 29.8 mg/mmol. Over a median 49.2 months follow-up, 630 (23.9%) experienced kidney failure (KF), and 352 (13.3%) died before KF, the median eGFR slope was -1.97 mL/min/1.73 m2/year. There were significant differences in risk across the PRD, persisting after adjustment for age, sex, baseline eGFR, and modifiable risk factors (blood pressure, HbA1c, and renin-angiotensin-aldosterone system inhibitors). Diabetic kidney disease (DKD), glomerulonephritis, and familial/hereditary nephropathy were associated with the greatest risk, while tubulointerstitial disease and vasculitis carried a low risk of KF. eGFR had good predictive accuracy across all PRD. However, the addition of uACR showed variable benefit, depending on the PRD. The largest benefit was seen in vasculitis, renal vascular, and DKD groups, but uACR added no predictive value to the familial/hereditary group.
Conclusion: Significant differences in the risk of kidney-related outcomes occurred across the various primary renal diagnoses persisting after adjustment for age, sex, baseline eGFR, and modifiable risk factors. Albuminuria's discriminatory ability as a biomarker of progression varies by diagnosis. CKD care should, therefore, take a personalized approach that always considers the primary renal diagnosis.
Citation
McDonnell, T., Kalra, P. A., Vuilleumier, N., Cockwell, P., Wheeler, D. C., Fraser, S. D. S., Banks, R. E., & Taal, M. W. (2024). The Impact of Primary Renal Diagnosis on Prognosis and the Varying Predictive Power of Albuminuria in the NURTuRE-CKD Study. American Journal of Nephrology, 1-12. https://doi.org/10.1159/000541770
Journal Article Type | Article |
---|---|
Acceptance Date | Sep 29, 2024 |
Online Publication Date | Oct 4, 2024 |
Publication Date | Oct 4, 2024 |
Deposit Date | Oct 3, 2024 |
Publicly Available Date | Oct 5, 2025 |
Journal | American Journal of Nephrology |
Print ISSN | 0250-8095 |
Electronic ISSN | 1421-9670 |
Publisher | Karger Publishers |
Peer Reviewed | Peer Reviewed |
Pages | 1-12 |
DOI | https://doi.org/10.1159/000541770 |
Keywords | Albuminuria; Chronic kidney disease; Precision medicine; Primary renal diagnosis; Risk stratification. |
Public URL | https://nottingham-repository.worktribe.com/output/40285561 |
Publisher URL | https://karger.com/ajn/article/doi/10.1159/000541770/914344/The-Impact-of-Primary-Renal-Diagnosis-on-Prognosis |
Files
This file is under embargo until Oct 5, 2025 due to copyright restrictions.
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