Lupus & antiphospholipid syndrome

Renal arteriosclerosis in kidney biopsies associated with higher 10-year atherosclerotic cardiovascular disease in lupus nephritis

Rheumatology (Oxford)Published Retrospective cohort study

An erratum to this article was published (Rheumatology (Oxford), 1 Aug 2025 ↗)

Authors' conclusion

Renal arteriosclerosis >25%, area deprivation and ACEi exposure could inform ASCVD risk stratification in LN.

Study context

Population
Adults with biopsy-proven lupus nephritis (LN)
Participants
209 adults
Exposure
Renal arteriosclerosis >25% in kidney biopsies at LN diagnosis vs lesser arteriosclerosis
Outcome
Clinical ASCVD (fatal and non-fatal events, adjudicated)
Follow-up
10 years
Methodological detailsbiopsies re-read with standard Banff grading criteria, Cox models
  • Biopsies re-read with standard Banff grading criteria
  • Cox models

Main finding

As reported in the abstract

10-year clinical ASCVD
  • 36 clinical atherosclerotic cardiovascular disease (ASCVD) events within 10 years
  • Renal arteriosclerosis (>25%) associated with 3× higher 10-year ASCVD
  • High area deprivation index (>80) associated with 4× higher ASCVD occurrence
  • Longer angiotensin converting enzyme inhibitor (ACEi) exposure associated with 0.65× lower ASCVD occurrence
  • Adding renal arteriosclerosis >25% improved model performance for 10-year ASCVD risk estimation from 65% to 80%

Observational data: associations, not effects.

Further findings

49 clinical ASCVD events within 20 years
Similar associations seen with 20-year ASCVD

Original publication

Renal arteriosclerosis in kidney biopsies associated with higher 10-year atherosclerotic cardiovascular disease in lupus nephritis. Rheumatology (Oxford). Published 19 December 2024. doi:10.1093/rheumatology/keae699

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