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Risk Predictors for Postcontrast Acute Kidney Injury
Trudy Millard Krause1, Maria Ukhanova1, Frances Lee Revere1
1UTHealth School of Public Health, Houston, Texas.
Journal of the American College of Radiology : JACR
|May 27, 2018
Summary
The risk of acute kidney injury (AKI) after contrast media procedures is low at 0.85%. However, a history of recent AKI significantly increases the risk of subsequent kidney injury.
Area of Science:
- Nephrology
- Radiology
- Health Informatics
Background:
- Acute kidney injury (AKI) is a significant concern following contrast-media procedures.
- Previous studies have evaluated AKI risk predictors, but broader patient cohorts are needed.
Purpose of the Study:
- To identify risk predictors for acute kidney injury (AKI) in a large patient cohort undergoing contrast-media procedures.
- To assess the impact of prior AKI episodes on subsequent kidney injury risk.
Main Methods:
- Analysis of comprehensive medical and pharmacy commercial claims data from 2012 to 2014.
- Review of claims for 2,737,020 individuals undergoing contrast-media procedures.
Main Results:
- The overall incidence of AKI post-contrast media procedure was 0.85%.
- Patients with two or more contrast procedures within 30 days had a 26% AKI incidence.
- A history of AKI within 180 days increased the odds of subsequent kidney injury by 9.39.
Conclusions:
- The overall risk of AKI after contrast media procedures is low, aligning with recent studies.
- A recent history of AKI is a critical risk factor for subsequent kidney injury and should be considered by physicians.
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