How Kidney Disease Worsens Heart Attack Outcomes Through Hormonal Imbalances | Research

The takeaway

In heart attack patients with kidney disease, neurohumoral biomarkers like aldosterone, angiotensin II, and von Willebrand factor are linked to worse outcomes.

RAAS activation
Kidney dysfunction drives renin-angiotensin-aldosterone system activation that worsens cardiac remodeling

What the researchers found

Reduced kidney function in heart attack patients is associated with elevated RAAS biomarkers and endothelial dysfunction markers that worsen cardiovascular outcomes.

Why it matters

Understanding the hormonal crosstalk between failing kidneys and damaged hearts could identify new therapeutic targets and improve risk stratification.

The numbers in context

N=106; stratified at GFR <=90 vs >90 mL/min; aldosterone and vWF significantly higher in the lower GFR group.

How the study worked

Cross-sectional study examining associations between renal function and biomarkers (aldosterone, angiotensin II, vWF) in acute MI patients.

Who was studied

Adults hospitalized for acute myocardial infarction with heart failure

What this study cannot tell us

Cross-sectional design cannot establish causality. Single time-point biomarker measurements may not capture dynamic changes.

How to read the evidence

Cross-sectional observational study — identifies associations but cannot prove causation. Useful for hypothesis generation.

When this study was published

Published in 2025, adding biomarker data to the cardiorenal syndrome evidence base.

The bigger picture

This supports the cardiorenal syndrome concept — heart and kidney disease amplify each other through shared neurohumoral pathways.

Questions still open

Would RAAS inhibition in CKD patients improve heart attack outcomes?
Can these biomarkers predict which AMI-CKD patients face the highest risk?

Common questions

Why does kidney disease make heart attacks worse?

Reduced kidney function activates hormonal systems (like RAAS) that cause blood vessel constriction, fluid retention, and heart remodeling, worsening cardiac outcomes.

What is von Willebrand factor?

A protein released by damaged blood vessel walls — elevated levels indicate endothelial dysfunction and increased clotting risk.

Read the original research

Neurohumoral Dysregulation in Acute Myocardial Infarction With Chronic Kidney Disease: Implications for Prognosis and Management.

Cureus, 17(10), e93692

View on PubMed ↗Publisher’s paper ↗

Citation

Polianska, Oksana; Tashchuk, Victor; Hulaha, Olha; Olinchuk, Valentyna; Moskaliuk, Inna; Kushnir, Yevhen. (2025). Neurohumoral Dysregulation in Acute Myocardial Infarction With Chronic Kidney Disease: Implications for Prognosis and Management.. Cureus, 17(10), e93692. https://doi.org/10.7759/cureus.93692