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Updated: Aug 18, 2026

A Large Animal Model for Acute Kidney Injury by Temporary Bilateral Renal Artery Occlusion
Published on: February 2, 2021
Acute renal failure
1Department of Pediatrics, Division of Nephrology and Hypertension, State University of New York, Stony Brook, HSC T11 060, Stony Brook, NY 11794-8111, USA. ivy.boydstun@stonybrook.edu
Insights
Acute renal failure (ARF) is a sudden loss of kidney function, impacting waste clearance and fluid balance. Outcomes depend on the cause, with higher mortality linked to multi-organ failure.
Area of Science:
- Pediatric Nephrology
- Critical Care Medicine
- Renal Physiology
Background:
- Acute renal failure (ARF) signifies abrupt impairment of kidney function, affecting waste excretion and electrolyte homeostasis.
- ARF presents a spectrum of severity, occurring in healthy children, superimposed on chronic kidney disease, or as part of multiorgan system failure.
- The etiology of renal injury is paramount in determining patient prognosis in ARF.
Purpose of the Study:
- To define acute renal failure (ARF) and outline its diverse clinical presentations in children.
- To highlight the critical role of the underlying cause in ARF outcomes.
- To describe the range of management strategies for pediatric ARF, from conservative to intensive care.
Main Methods:
- This abstract reviews the definition, causes, outcomes, and management of acute renal failure in the pediatric population.
- It synthesizes information on mortality rates and factors influencing patient survival.
- The review discusses the spectrum of clinical management based on ARF severity and complications.
Main Results:
- Pediatric ARF mortality rates range widely from 8% to 89%.
- Outcomes are significantly worse with multi-organ system failure, exceeding 50% mortality.
- Management varies from conservative approaches to intensive care for severe complications like fluid overload and hyperkalemia.
Conclusions:
- Acute renal failure in children necessitates prompt identification and management tailored to the underlying cause.
- The severity of renal injury and associated organ dysfunction are key determinants of mortality.
- Effective management strategies are crucial for improving outcomes in pediatric ARF patients.
Abstract:
Acute renal failure (ARF) can be defined as the sudden loss of adequate renal function to clear metabolic wastes and maintain normal fluid and electrolyte balance. ARF may occur in otherwise healthy children, may complicate underlying chronic kidney disease, or may result from multiorgan disorders. The underlying cause of the renal injury remains the major factor that determines outcomes for patients with ARF. Overall mortality in children with ARF varies from 8% to 89%, with greater than 50% mortality associated with three-organ system failure. Management of the adolescent with ARF ranges from conservative management in mild cases to more intensive care in hospitalized patients with complications of fluid overload, hypertension, metabolic acidosis, or life-threatening hyperkalemia.
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