Cardiac biomarkers of heart failure in chronic kidney disease

Xiaorong Han1, Shuai Zhang1, Zhongbo Chen1

  • 1Department of Cardiovascular Centre, The First Hospital of Jilin University, Changchun, Jilin 130021, China.

Insights

Heart failure biomarkers are challenging in chronic kidney disease (CKD) due to renal insufficiency. This review explores biomarker groups and suggests combining multiple biomarkers monitored over time for better clinical impact in CKD patients.

Area of Science:

  • Cardiology
  • Nephrology
  • Biomarker Research

Background:

  • Heart failure poses a significant risk to patients with chronic kidney disease (CKD).
  • Traditional heart failure biomarkers are often unreliable in CKD patients due to impaired renal function.
  • Accurate diagnosis and prognosis of heart failure in CKD require specialized biomarker approaches.

Purpose of the Study:

  • To review existing and emerging heart failure biomarkers applicable to CKD patients.
  • To discuss the challenges posed by renal insufficiency on biomarker interpretation.
  • To highlight the need for adjusted biomarker thresholds and combination strategies.

Main Methods:

  • Exploration of four major groups of heart failure biomarkers: myocardial stretch, myocyte injury, fibrosis/inflammation, and renal function.
  • Review of classic biomarkers with adjusted critical values for glomerular filtration rate (GFR).
  • Summary of recent research on novel biomarkers and future research directions.

Main Results:

  • Biomarkers for myocardial stretch (e.g., BNP, NT-proBNP), myocyte injury (e.g., hsTnT), fibrosis/inflammation (e.g., sST2, Gal-3), and renal function (e.g., NGAL, KIM-1) were analyzed.
  • Classic biomarkers require GFR-adjusted thresholds for reliable interpretation in CKD.
  • Emerging biomarkers show promise but require further validation.

Conclusions:

  • Interpreting heart failure biomarkers in CKD necessitates consideration of renal function.
  • Combining multiple biomarkers and monitoring them longitudinally offers greater clinical utility than single measurements.
  • Future research should focus on developing and validating novel biomarkers and combination strategies tailored for CKD populations.

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