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Updated: Jan 4, 2026

A Large Animal Model for Acute Kidney Injury by Temporary Bilateral Renal Artery Occlusion
Published on: February 2, 2021
Perioperative Acute Kidney Injury
Sam D Gumbert1, Felix Kork, Maisie L Jackson
1From the Department of Anesthesiology, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, Texas (S.D.G., M.L.J., N.V., S.J.G., C.Y.W., H.K.E.) the Department of Anesthesiology, Rheinisch-Westfälische Technische Hochschule Aachen University, Aachen, Germany (F.K.).
Perioperative organ injury, especially acute kidney injury, significantly impacts surgical patient outcomes. Research is advancing understanding, diagnosis, and management strategies for this critical condition.
Area of Science:
- Nephrology
- Surgical Critical Care
- Translational Medicine
Background:
- Perioperative organ injury is a major cause of surgical patient morbidity and mortality.
- Acute kidney injury (AKI) is a frequent and severe complication with detrimental effects on surgical outcomes.
- Current AKI diagnosis relies on serum creatinine and urine output, with limitations in timeliness and specificity.
Purpose of the Study:
- To review recent advancements in understanding, diagnosing, and managing perioperative acute kidney injury (AKI).
- To highlight ongoing research efforts in preventing and treating AKI in surgical patients.
- To discuss the integration of novel biomarkers and evolving therapeutic strategies.
Main Methods:
- Review of recent randomized multicenter trials and translational research.
- Analysis of novel biomarkers for AKI detection and prognosis.
- Evaluation of interventions including pharmacologic and non-pharmacologic strategies.
- Assessment of renal replacement strategies, fluid therapy, and remote ischemic preconditioning.
Main Results:
- Novel biomarkers show promise but face challenges in specificity and timing.
- Several interventions like goal-directed fluid therapy and remote ischemic preconditioning offer new insights.
- Reliable methods for preventing or reversing perioperative AKI are still under development.
- Recent trials provide valuable data on renal replacement and fluid management.
Conclusions:
- Despite challenges, progress is being made in diagnosing and managing perioperative AKI.
- Further research is crucial for developing effective prevention and treatment strategies.
- Understanding disease mechanisms remains key to improving patient outcomes in surgical settings.
Related Concept Videos
Acute Kidney Injury I: Introduction
Acute Kidney Injury IV: Diagnostic Studies and Prevention
Acute Kidney Injury V: Interprofessional Care
Acute Kidney Injury II: Pathophysiology
Acute Kidney Injury VI: Nursing Management
Acute Kidney Injury III: Clinical Manifestations

