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Updated: Sep 26, 2025

A Large Animal Model for Acute Kidney Injury by Temporary Bilateral Renal Artery Occlusion
Published on: February 2, 2021
Contrast-Associated Acute Kidney Injury
Alessandro Mandurino-Mirizzi1, Andrea Munafò1, Gabriele Crimi2,3
1Division of Cardiology, Fondazione IRCCS Policlinico San Matteo, 27100 Pavia, Italy.
Insights
Contrast-associated acute kidney injury (CA-AKI) is a kidney function decline after contrast dye. This review covers CA-AKI
Area of Science:
- Nephrology
- Cardiology
- Radiology
Background:
- Minimally invasive cardiac interventions are rising.
- Contrast-associated acute kidney injury (CA-AKI) is a concern in these procedures.
- Understanding CA-AKI is crucial for patient outcomes.
Purpose of the Study:
- To review the epidemiology and risk factors of CA-AKI.
- To outline diagnostic criteria and pathophysiology.
- To present evidence on preventive strategies for CA-AKI.
Main Methods:
- Literature review of CA-AKI studies.
- Synthesis of data on epidemiology and risk stratification.
- Analysis of diagnostic criteria and pathophysiology.
- Evaluation of preventive measures.
Main Results:
- CA-AKI affects renal function post-contrast media administration.
- Increasing popularity of cardiac interventions heightens CA-AKI relevance.
- Evidence-based preventive strategies are discussed.
Conclusions:
- CA-AKI is a significant clinical issue.
- Comprehensive understanding aids in risk management.
- Further research into prevention is warranted.
Abstract:
Contrast-associated acute kidney injury (CA-AKI) is an impairment of renal function, which occurs within days of intravascular administration of iodinated contrast media. Taking into account that minimally invasive cardiac interventions are becoming increasingly popular, compared to traditional surgery, given their impact on prognosis and costs, CA-AKI remains a subject of increasing interest for patients and physicians. This review summarizes the epidemiology and risk stratification, diagnostic criteria, pathophysiology and clinical implications of CA-AKI, providing evidence for the most studied preventive strategies.
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