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Differential Peripheral Inflammatory Factors Associated with Cognitive Function in Patients with Heart Failure
Laura S Redwine1,2, Meredith A Pung3, Kathleen Wilson3
1Department of Psychiatry, University of California San Diego, San Diego, California, USAlredwine@health.usf.edu.
Neuroimmunomodulation
|October 24, 2018
Summary
Vascular inflammation is linked to cognitive decline in heart failure patients. Targeting vascular inflammation may improve cognitive function in heart failure (HF) patients.
Area of Science:
- Cardiology
- Neuroscience
- Immunology
Background:
- Cognitive deficits are prevalent in heart failure (HF) patients, impacting self-care and increasing mortality.
- Inflammation contributes to vascular pathology, potentially impairing cerebral blood flow and cognitive function.
Purpose of the Study:
- To identify specific peripheral blood inflammation biomarkers associated with cognitive impairment in HF patients.
Main Methods:
- Forty-five HF outpatients (NYHA Stages I-III) underwent cognitive assessment using the Montreal Cognitive Assessment (MoCA).
- Plasma biomarkers including TNF-α, sICAM-1, sVCAM-1, BDNF, IL-8, MMP-9, IL-6, CRP, and SAA were analyzed.
Main Results:
- Nearly half of participants exhibited mild cognitive impairment (MoCA score below threshold).
- Factor analysis identified three biomarker clusters: vascular, neuroinflammatory, and peripheral.
- A "vascular inflammatory factor" (TNFα, sICAM-1, sVCAM-1) significantly correlated with poorer cognitive function (MoCA).
Conclusions:
- Vascular inflammation is associated with reduced cognitive function in heart failure patients.
- These findings suggest potential therapeutic targets for mitigating cognitive deficits in HF.
- Further research is warranted to confirm these preliminary results.
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