Related Experiment Video
Updated: Apr 20, 2026
Multilevel Microdissection and Functional-Structural Profiling of Human Renal Arterial Branches
Published on: September 5, 2025
Biomarkers and physiopathology in the cardiorenal syndrome
Antoine Bouquegneau1, Jean-Marie Krzesinski1, Pierre Delanaye1
1Department of Nephrology, Dialysis, Transplantation, University of Liège, CHU Sart Tilman, 4000 Liège, Belgium.
Insights
Acute cardiorenal syndrome (CRS) links heart failure with kidney dysfunction. Early detection of acute kidney injury (AKI) using biomarkers could improve patient survival rates.
Area of Science:
- Cardiology
- Nephrology
- Biochemistry
Background:
- Acute cardiorenal syndrome (CRS) involves concurrent acute heart failure and kidney function decline.
- Delayed diagnosis of acute kidney injury (AKI) in CRS significantly increases patient mortality.
- Understanding CRS pathophysiology is crucial for developing early diagnostic strategies.
Purpose of the Study:
- To review the pathophysiology of acute cardiorenal syndrome (CRS).
- To discuss the potential of various biochemical biomarkers for early acute kidney injury (AKI) detection in CRS.
- To explore how early AKI detection can reduce morbidity and mortality in CRS patients.
Main Methods:
- Literature review focusing on the pathophysiology of CRS.
- Analysis of existing research on biochemical markers for kidney injury.
- Discussion of the clinical implications of identified biomarkers.
Main Results:
- Biomarkers such as creatinine, cystatin C, NGAL, KIM-1, fatty acid binding protein, N-acetyl-β-D-glucosaminidase, and IL-18 show potential for early AKI detection.
- These biomarkers may offer advantages over traditional methods in identifying AKI at earlier stages of CRS.
- Earlier identification of AKI could lead to timely interventions.
Conclusions:
- Biochemical biomarkers hold promise for the early diagnosis of AKI in CRS.
- Implementing these biomarkers could significantly improve patient outcomes by reducing mortality and morbidity.
- Further research and clinical validation are needed to integrate these biomarkers into routine CRS management.
Abstract:
Acute cardiorenal syndrome (CRS) corresponds to an association of acute heart failure and a worsening of renal function. The detection of acute kidney injury (AKI) unfortunately occurs at a late stage of CRS, leading to an increased mortality of the patients. In this review, we described the pathophysiology of CRS and discussed the potential interest of biochemical biomarkers (namely creatinine, cystatin C, NGAL, KIM-1, fatty acid binding protein, Nacetyl-β-D-glucosaminidase and IL-18) that could potentially help to detect AKI earlier and thus reduce the morbi-mortality of the patients suffering from CRS.
Related Concept Videos
01:19Blood Studies for Cardiovascular System II: CRP, Hcy, and Cardiac Natriuretic Peptide Markers
These markers indicate stress or strain on the heart muscle:
Natriuretic Peptides (BNP)
Cardiac myocytes produce these hormones in response to ventricular stretching...
01:20Blood Studies for Cardiovascular System I: Cardiac Biomarkers
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...
01:29Heart Failure II: Pathophysiology
01:26Heart Failure Drugs: Inhibitors of Renin-Angiotensin System
01:29Acute Kidney Injury II: Pathophysiology
01:17Factors Affecting Renal Clearance: Renal Impairment
One condition associated with renal failure is uremia. Uremia is characterized by impaired glomerular filtration and fluid accumulation in the body. This condition hinders the renal clearance of drugs, resulting in drug accumulation and potential...