Urinary Biomarkers Of Kidney Function As Predictors Of Cardiovascular Health: A Systematic Review

A Degenaar1, R Kruger1,2, A Jacobs1,2

  • 1Hypertension in Africa Research Team (HART), Private Bag X1290, North-West University, Potchefstroom, 2520, South Africa.

PubMed

Insights

Urinary kidney function biomarkers like alpha-1 microglobulin (uA1M) and uromodulin (uUMOD) show potential for early cardiovascular risk identification. These biomarkers may help predict adverse cardiovascular outcomes, guiding timely clinical interventions.

Area of Science:

  • Nephrology
  • Cardiology
  • Biomarker Research

Background:

  • Cardiovascular diseases (CVD) pose a significant health burden in adults and youth.
  • Urinary biomarkers of kidney function offer potential for early detection of CVD risk.
  • Identifying individuals at high risk for adverse cardiovascular outcomes is crucial for timely intervention.

Purpose of the Study:

  • To systematically review associations between urinary kidney function biomarkers and cardiovascular health measures.
  • To assess the utility of biomarkers such as uA1M, uNGAL, uUMOD, and CKD273 in predicting cardiovascular outcomes.
  • To evaluate the role of these biomarkers in identifying early signs of cardiovascular risk.

Main Methods:

  • Systematic review of studies published between January 2018 and December 2023.
  • Searched databases: PubMed, Scopus, and EBSCOhost.
  • Included studies examining urinary biomarkers (uA1M, uNGAL, uUMOD, CKD273) and cardiovascular health (blood pressure, target organ damage).

Main Results:

  • 1186 articles identified; 22 studies included.
  • Alpha-1 microglobulin (uA1M) showed positive associations with office blood pressure and target organ damage markers.
  • Uromodulin (uUMOD) demonstrated negative associations with blood pressure.
  • Neutrophil gelatinase-associated lipocalin (uNGAL) and CKD273 showed limited or non-significant associations with cardiovascular parameters.

Conclusions:

  • Urinary biomarkers of kidney tubule function, specifically uA1M and uUMOD, are relevant to cardiovascular health.
  • These biomarkers may aid in early identification of adverse cardiovascular outcomes.
  • Further assessment for clinical utilization is recommended for timely cardiovascular risk management.
Abstract

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