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Updated: Mar 6, 2026

A Large Animal Model for Acute Kidney Injury by Temporary Bilateral Renal Artery Occlusion
Published on: February 2, 2021
Renal vasculitis presenting with acute kidney injury
Javier Villacorta1, Francisco Diaz-Crespo2, Mercedes Acevedo3
1Nephrology Department, Hospital Universitario Fundacion, C/Budapest 1, Alcorcon, 28922, Comunidad De Madrid, Spain. jvillacorta@fhalcorcon.es.
ANCA-associated vasculitis with renal failure poses challenges. Patients needing dialysis had lower treatment response and survival rates, highlighting severe renal dysfunction as a key risk factor.
Area of Science:
- Nephrology
- Rheumatology
- Immunology
Background:
- ANCA-associated vasculitis (AAV) frequently affects the kidneys, leading to renal failure.
- Renal vasculitis presents a significant clinical and therapeutic challenge, impacting patient survival and treatment efficacy.
Purpose of the Study:
- To evaluate treatment response and long-term outcomes in patients with AAV-related renal failure.
- To compare outcomes between patients requiring dialysis at onset versus those with preserved renal function.
Main Methods:
- Retrospective analysis of 151 patients with renal vasculitis who underwent renal biopsy (1997-2014).
- Comparison of treatment response, renal recovery, infection rates, and survival between dialysis-dependent and dialysis-independent groups.
Main Results:
- Severe renal involvement (dialysis-dependent) showed significantly lower treatment response (26.6% vs. 93.4%) and higher mortality (53.8% vs. 22.2%).
- Plasmapheresis combined with immunosuppressants improved renal recovery in dialysis-dependent patients (41.6% vs. 12.5%).
- Higher incidence of severe infections observed in patients with severe renal involvement (38.4% vs. 18.1%).
Conclusions:
- Severe renal dysfunction in AAV is an independent predictor of mortality.
- Dialysis-dependent patients experience poorer treatment response, higher infection rates, and reduced survival.
- Aggressive treatment strategies, including plasmapheresis, may improve renal recovery in severe cases.
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