Is there a relationship between high C-reactive protein (CRP) levels and dementia?
A Mancinella1, M Mancinella, G Carpinteri
1Division of Geriatric, S. John-Addolorata Hospital, Rome, Italy.
Archives of Gerontology and Geriatrics
|October 20, 2009
Summary
Inflammation, indicated by high C-reactive protein (CRP) and fibrinogen, is linked to dementia. Alzheimer's disease patients show higher CRP than vascular dementia patients, suggesting inflammation's role in AD.
Area of Science:
- Neuroscience
- Immunology
- Geriatrics
Background:
- Inflammation is implicated in dementia pathogenesis, but its precise role remains unclear.
- Understanding the relationship between inflammatory markers and dementia subtypes is crucial for diagnosis and treatment.
Purpose of the Study:
- To investigate the association between inflammatory markers (fibrinogen, C-reactive protein) and dementia.
- To compare inflammation levels between Alzheimer's disease (AD), vascular dementia (VaD), and control groups.
Main Methods:
- Cross-sectional study comparing inflammatory markers in 99 dementia patients and 99 controls.
- Analysis of 34 AD patients, 64 VaD patients, and 99 controls for inflammatory markers.
- Stepwise multiple logistic regression to identify independent predictors of high CRP levels.
Main Results:
- Dementia patients exhibited significantly higher CRP levels than controls (2.6 vs. 0.7, p < 0.001).
- Alzheimer's disease patients had higher CRP levels compared to vascular dementia patients (4.2 vs. 1.7, p < 0.001).
- Dementia, fibrinogen, and age were independently correlated with high CRP levels (OR=4.965, OR=1.011, OR=1.158, respectively).
Conclusions:
- Inflammation, particularly elevated CRP and fibrinogen, is significantly associated with dementia.
- Higher inflammation markers in AD patients suggest a potential pathogenetic role in Alzheimer's disease.
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