Related Experiment Video

Updated: May 23, 2026

A Large Animal Model for Acute Kidney Injury by Temporary Bilateral Renal Artery Occlusion
09:02

A Large Animal Model for Acute Kidney Injury by Temporary Bilateral Renal Artery Occlusion

Published on: February 2, 2021

[Kidney injury biomarkers]

Yann Gueguen1, Caroline Rouas, François A Leblond

  • 1PRP-HOM, SRBE, laboratoire de radiotoxicologie expérimentale (LRTOX), Institut de radioprotection et de sureté nucléaire (IRSN), Fontenay-aux-Roses, France. yann.gueguen@irsn.fr

Nephrologie & Therapeutique
|April 6, 2012
PubMed

Insights

The increasing prevalence of kidney diseases necessitates improved diagnostic tools. Developing novel biomarkers promises faster detection and better treatment strategies for renal failure.

Area of Science:

  • Nephrology
  • Biomarker Discovery
  • Clinical Pathology

Context:

  • Rising prevalence of renal diseases in Western societies linked to lifestyle and environmental factors.
  • Current diagnostic markers for kidney disease are often slow, lack sensitivity, and primarily assess function over tissue integrity.
  • Understanding nephropathology mechanisms is advancing, but clinical management remains challenging.

Purpose:

  • To highlight the limitations of current kidney disease biomarkers.
  • To emphasize the need for novel biomarkers for rapid diagnosis and improved therapeutic strategies.
  • To address the challenges in clinical management of renal failure.

Summary:

  • Kidney diseases are increasing due to lifestyle and environmental factors.
  • Existing diagnostic markers for kidney disease are insufficient, providing delayed and incomplete information.
  • New biomarkers are crucial for early detection, accurate prognosis, and effective treatment of renal failure.

Impact:

  • Accelerated diagnosis of kidney diseases.
  • Enhanced understanding of renal tissue integrity.
  • Optimized clinical strategies for managing renal failure and improving patient outcomes.

Related Concept Videos

Acute Kidney Injury I: Introduction01:22

Acute Kidney Injury I: Introduction

Introduction:Acute Kidney Injury (AKI) describes a swift decrease in kidney function occurring over hours to days, characterized by the kidneys' failure to remove waste products from the bloodstream. This leads to dangerous complications like metabolic acidosis, fluid overload, and electrolyte imbalances, such as hyperkalemia, which can cause life-threatening arrhythmias. AKI is common in both hospital and outpatient settings, often triggered by dehydration, sepsis, or exposure to nephrotoxic...
Acute Kidney Injury IV: Diagnostic Studies and Prevention01:30

Acute Kidney Injury IV: Diagnostic Studies and Prevention

Accurate diagnosis and effective prevention are critical in managing Acute Kidney Injury (AKI), which is linked to high mortality rates ranging from 10% to 80%. Timely recognition of at-risk patients and careful monitoring can significantly reduce the likelihood of kidney damage.Diagnostic Assessments:The diagnostic process starts with a comprehensive medical history to identify prerenal, intrarenal, and postrenal causes.Prerenal causes, such as dehydration, hypotension, or blood loss, should...
Acute Kidney Injury III: Clinical Manifestations01:29

Acute Kidney Injury III: Clinical Manifestations

Acute Kidney Injury (AKI) progresses through distinct clinical phases: the oliguric, diuretic, and recovery phases, each marked by unique manifestations and challenges.Oliguric Phase:The oliguric phase is the initial stage of AKI, typically lasting 10 to 14 days. This phase is marked by a significant reduction in urine output, usually less than 400 mL per day, indicating decreased kidney function. Fluid retention is a prominent feature, leading to symptoms such as edema, hypertension, and...
Acute Kidney Injury II: Pathophysiology01:29

Acute Kidney Injury II: Pathophysiology

Acute kidney injury (AKI) causes are categorized into three primary categories based on the location of the injury: prerenal, intrarenal (or intrinsic), and postrenal causes. This classification guides clinical management and illustrates how different pathways can impair kidney function.Etiology and Pathophysiology of Acute Kidney Injury1. Prerenal causesEtiology: Prerenal Acute Kidney Injury, the most common type, occurs when reduced blood flow to the kidneys decreases filtration capacity...
Serum Studies: Renal Function Tests01:24

Serum Studies: Renal Function Tests

Renal function tests are crucial for assessing kidney health, monitoring disease progression, and evaluating the kidneys' efficiency in waste elimination, fluid balance, and electrolyte regulation. These tests offer critical insights into kidney function, even though routine measurements may appear normal until there is a significant decline in the glomerular filtration rate or GFR. Typically, signs of kidney impairment only become evident when the GFR falls to about 50% of its normal level.
Blood Studies for Cardiovascular System I: Cardiac Biomarkers01:20

Blood Studies for Cardiovascular System I: Cardiac Biomarkers

Cardiac biomarkers are enzymes, proteins, and hormones released into the blood when cardiac cells are injured. They are powerful tools for triaging.
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
Troponins
Troponins, particularly cardiac troponins I and T, are the most precise and sensitive markers of myocardial injury. They are detectable within 4-6 hours of myocardial injury and remain...