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Updated: Mar 25, 2026

A Large Animal Model for Acute Kidney Injury by Temporary Bilateral Renal Artery Occlusion
Published on: February 2, 2021
Impact of acute kidney injury on distant organ function: recent findings and potential therapeutic targets
1Department of Emergency and Critical Care Medicine, The University of Tokyo, Tokyo, Japan.
Abstract:
Acute kidney injury (AKI) is a common complication in critically ill patients and subsequently worsens outcomes. Although many drugs to prevent and treat AKI have shown benefits in preclinical models, no specific agent has been shown to benefit AKI in humans. Moreover, despite remarkable advances in dialysis techniques that enable management of AKI in hemodynamically unstable patients with shock, dialysis-requiring severe AKI is still associated with an unacceptably high mortality rate. Thus, focusing only on kidney damage and loss of renal function has not been sufficient to improve outcomes of patients with AKI. Recent data from basic and clinical research have begun to elucidate complex organ interactions in AKI between kidney and distant organs, including heart, lung, spleen, brain, liver, and gut. This review serves to update the topic of organ cross talk in AKI and focuses on potential therapeutic targets to improve patient outcomes during AKI-associated multiple organ failure.
Insights
Acute kidney injury (AKI) impacts critically ill patients, worsening outcomes. Understanding organ cross-talk in AKI is crucial for developing new therapies targeting multiple organ failure.
Area of Science:
- Nephrology
- Critical Care Medicine
- Translational Research
Background:
- Acute kidney injury (AKI) is a frequent complication in critically ill patients, associated with poor prognosis.
- Current treatments for AKI lack specific efficacy in humans, despite promising preclinical data.
- Severe AKI requiring dialysis still carries a high mortality rate, indicating limitations in current management strategies.
Purpose of the Study:
- To review current understanding of organ cross-talk in the context of AKI.
- To highlight the complex interactions between the kidneys and distant organs during AKI.
- To identify potential therapeutic targets for AKI-associated multiple organ failure.
Main Methods:
- Literature review of basic and clinical research on organ interactions in AKI.
- Synthesis of data on kidney-distant organ communication pathways.
- Analysis of potential therapeutic strategies based on elucidated organ cross-talk.
Main Results:
- AKI involves complex interactions with multiple organs, including the heart, lung, spleen, brain, liver, and gut.
- Focusing solely on kidney damage is insufficient to improve patient outcomes in AKI.
- Understanding these inter-organ communications reveals novel therapeutic avenues.
Conclusions:
- Inter-organ communication plays a critical role in AKI pathogenesis and outcomes.
- Targeting organ cross-talk pathways offers a promising strategy to improve patient outcomes in AKI.
- Further research into these interactions is essential for developing effective AKI therapies.
Related Concept Videos
Acute Kidney Injury I: Introduction
Acute Kidney Injury IV: Diagnostic Studies and Prevention
Acute Kidney Injury II: Pathophysiology
Acute Kidney Injury III: Clinical Manifestations
Acute Kidney Injury V: Interprofessional Care
Acute Kidney Injury VI: Nursing Management

