Inflammation Patterns in Heart Failure Differ by How Well the Heart Pumps | Research

The takeaway

Systemic inflammation prevalence and associations vary across heart failure subtypes, with metabolic-driven inflammation more prominent in HFpEF and cardiac-driven inflammation in HFrEF.

Different drivers per HF type
Metabolic inflammation dominates HFpEF while cardiac stress drives HFrEF inflammation

What the researchers found

Systemic inflammation in HFpEF is linked to cardiovascular-kidney-metabolic conditions, while HFrEF inflammation develops secondary to cardiac stress, with distinct patterns across the ejection fraction spectrum.

Why it matters

Understanding that different heart failure types have different inflammatory drivers could lead to tailored anti-inflammatory therapies rather than one-size-fits-all approaches.

How the study worked

Analysis of inflammation prevalence and associations across heart failure subtypes (HFpEF, HFmrEF, HFrEF) examining cardiovascular-kidney-metabolic connections.

What this study cannot tell us

Observational analysis — inflammation markers are associative, not necessarily causal. Cross-sectional data may miss temporal dynamics of inflammation.

How to read the evidence

Observational analysis of inflammation across heart failure subtypes — provides mechanistic insight for precision targeting.

When this study was published

Published in 2026; advances understanding of heart failure pathophysiology.

The bigger picture

This supports precision medicine approaches to heart failure, where treatment is tailored to the specific inflammatory and metabolic profile of each patient.

Questions still open

Should anti-inflammatory treatments for heart failure differ based on ejection fraction?
Could GLP-1 drugs reduce metabolic-driven inflammation specifically in HFpEF?

Common questions

Why does inflammation matter in heart failure?

Inflammation damages heart tissue and blood vessels, worsening heart failure. But the source of inflammation differs — in HFpEF it comes from metabolic conditions like obesity, while in HFrEF it comes from the damaged heart itself.

Could this lead to better heart failure treatments?

Yes — understanding that different types of heart failure have different inflammatory drivers suggests that treatments should be tailored to each type rather than using the same approach for all.

Read the original research

Prevalence and Associations of Systemic Inflammation in Heart Failure Across the Spectrum of Ejection Fraction.

JACC. Heart failure, 14(2), 102712

View on PubMed ↗Publisher’s paper ↗

Citation

Borlaug, Barry A; Holse, Cecilie; Jung, Mette Holme; Lincoff, A Michael; Mulvagh, Sharon L; Stærk-Østergaard, Jacob; Tuttle, Katherine R; Petrie, Mark C. (2026). Prevalence and Associations of Systemic Inflammation in Heart Failure Across the Spectrum of Ejection Fraction.. JACC. Heart failure, 14(2), 102712. https://doi.org/10.1016/j.jchf.2025.102712