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A Large Animal Model for Acute Kidney Injury by Temporary Bilateral Renal Artery Occlusion
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Physician Prevention of Acute Kidney Injury
Hala Yamout1, Murray L Levin1, Robert M Rosa1
1Division Of Nephrology/Hypertension, Department Of Medicine, Northwestern University Feinberg School of Medicine and Northwestern Memorial Hospital, Chicago, Ill.
The American Journal of Medicine
|April 28, 2015
Summary
Preventable acute kidney injury (AKI) in hospitalized patients is common. A review found 30% of AKI cases could have been avoided with appropriate preventive measures, highlighting the need for improved clinical practice.
Area of Science:
- Nephrology
- Critical Care Medicine
- Hospital Medicine
Background:
- Acute kidney injury (AKI) incidence is rising.
- AKI is linked to higher mortality and morbidity.
- Current AKI therapies are limited, making prevention crucial.
Purpose of the Study:
- To retrospectively analyze the preventability of acute kidney injury in hospitalized patients.
- To identify specific factors contributing to preventable AKI.
Main Methods:
- Retrospective chart review of 492 patients.
- Identified 170 patients with AKI (serum creatinine elevation ≥ 0.3 mg/dL for ≥ 48 hours).
- Assessed preventability based on exposure to specific agents or events within 48 hours of AKI onset.
Main Results:
- Fifty-one (30%) of 170 AKI cases were deemed preventable.
- Preventable causes included: inadequate saline prophylaxis (16 cases), improper management of hemodynamic instability/hypertension (15 cases), inappropriate medication use (9 cases), and co-administration of multiple nephrotoxic agents (11 cases).
Conclusions:
- Approximately 30% of acute kidney injury episodes in hospitalized patients are preventable.
- Physician adherence to established preventive protocols can significantly reduce AKI incidence.
- Targeting specific risk factors like contrast administration, hemodynamic management, and medication review can mitigate AKI risk.
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